Entries |
Document | Title | Date |
20080237943 | Arrangement and a Method For Heating Metal Objects - The invention relates to a an arrangement and a method for heating metal objects such as metal bars by convection. The metal objects are passed on a conveyor through a series of chambers where hot air is blown through the conveyor. The temperature is controlled by a sensor connected to a control devise such as a thyristor. | 10-02-2008 |
20080272524 | Metallurgical Lance with Annular Gas Flow Control - A method of controlling total jet pressure from the head of a metallurgical lance for introducing gas into a volume of metal in a vessel. The lance head has at least one ejector, which has a nozzle located in a bore of the lance head and has an annular gas passage between at least one nozzle and the wall of the bore. The method proceeds by adjusting the annular gas velocity from a first Mach number to a second mach number to effect change of the total jet pressure. | 11-06-2008 |
20090026666 | Method for batchwise heat treatment of goods to be annealed - A method is described for batchwise heat treatment of goods to be annealed which are heated in a heating chamber after scavenging air with a scavenging gas under protective gas to a predetermined treatment temperature, with the protective gas being conveyed through the heating chamber depending on the occurrence of impurities in different quantities. In order to enable the economic use of protective gas, it is proposed that the protective gas which is withdrawn from the heating chamber after the main occurrence of impurities and which is loaded with a residual quantity of impurities is conveyed, optionally after intermediate storage, into the heating chamber during the main occurrence of impurities of a subsequent batch before non-loaded protective gas is introduced into the heating chamber. | 01-29-2009 |
20090026667 | SLAG TRANSPORT AND DUMPING APPARATUS AND METHOD - A slag transport and dumping apparatus, for use with slag, includes a vehicle, a pallet, and a lifting mechanism. The vehicle includes a bed having a pallet interface. The pallet includes a support frame having ground support members, and a transporter interface selectively engaging the pallet interface. A dump container has a slag reservoir. Rear pivots on the container and pallet, together with the lifting mechanism, which is securely mounted to the bed of the vehicle and selectively engages the container, enable secure selective pivoting of the container between slag retaining and pouring configurations. In a loading configuration, the reservoir receives the slag, the container is in the retaining configuration, and the vehicle is removed from the pallet. In a transporting configuration, the container is in the retaining configuration, and the vehicle securely engages the pallet, in carrying relation, thus enabling transport of the pallet. | 01-29-2009 |
20090045556 | EQUIPMENT AND METHOD FOR HARDENING TREATMENT OF METALLIC PARTS - Equipment for metallic part hardening treatment comprising a support ( | 02-19-2009 |
20090057964 | Rotary lance - A process and apparatus for feeding an additive to a molten metal in a vessel to achieve a uniform dispersion of the additive are provided. In one example, the outlet of the lance is positioned below the surface of the molten metal. The lance is moved with a reciprocating motion, so that the outlet of the lance moves below the surface of the molten metal. The additive is dispensed through the outlet of the lance along a path traversed by the outlet in the molten metal while the lance reciprocates. | 03-05-2009 |
20090102103 | Infrared Light Sensors for Diagnosis and Control of Industrial Furnaces - Passive sensors, and more particularly passive infrared sensors are used to ascertain the signature of carbon dioxide and carbon monoxide in the infrared region of the light emitted by the exhaust gas and dust particles of industrial furnaces. The targeted sectors for which the sensors are to be used include steel-making, cement industries and thermal power generation, and others where combustion efficiency and the production of GHGs would be of a concern. | 04-23-2009 |
20090108508 | Device and Method for Cooling Hot Strip - A device and a method for cooling a hot strip capable of uniformly cooling the hot-rolled steel strip from the leading end to the trailing end thereof during cooling of the steel strip using cooling water are provided. A cooling device | 04-30-2009 |
20090121396 | Method of Cooling Steel Plate - A method of cooling both surfaces of steel plate, while being constrained and conveyed between pairs of constraining rolls, by coolant sprays from top/bottom surface nozzle groups between pairs of constraining rolls, which method of cooling steel plate stably secures precision of cooling control from a start of cooling to an end of cooling in a steel plate cooling region between pairs of constraining rolls so as to uniformly cool the top and bottom surfaces of the steel plate and thereby stably secure the steel plate quality and cool the steel plate down to a target temperature with a good precision, specifically comprises dividing a steel plate cooling region between pairs of constraining rolls in which groups of top and bottom surface nozzles are arranged into at least a spray impact part region and spray non-impact part regions in a steel plate conveyance direction or in the steel plate conveyance direction and width direction, predicting a heat transfer coefficient for each divided region in advance, computing a predicted temperature history of the steel plate based on this predicted value, and setting and controlling amounts of sprayed coolant on the spray impact part regions by the groups of top and bottom surface nozzles. | 05-14-2009 |
20090127752 | Lance Extraction - Solids injection lances for injecting solids into a metallurgical vessel are normally supplied with cooling water from a cooling water circuit through water supply lines and return lines. Supply lines are provided with spaced pairs of connectors and bypass valves, and return lines are provided with similar pairs of spaced connectors and bypass valves. Flexible hoses can be connected between the pairs of connectors to establish supply and return flows of cooling water which bypass segments of the main supply and return lines which can be isolated and removed to allow withdrawal and subsequent replacement of the lances. | 05-21-2009 |
20090127753 | Method and Apparatus for Heating Steel Components in a Continuous Furnace - The invention relates to a method and an apparatus for heating steel components in a continuous furnace, wherein a first transport device having an external drive receives the components in a precise position and transports them through the furnace in order to heat them, and a second transport device receives the parts, after the heating, from the first transport device at a predetermined transfer point or transfer region and conveys them out of the furnace at an increased speed and places them in a precise position at a further receiving point ready for further processing. The components are mounted on a support having engagement means for the different transport devices. | 05-21-2009 |
20090174125 | Method and arrangement for heating extended steel products - A method and apparatus for heating extended steel products, such as pipes, tape, or wire products or rods following working such as rolling or extrusion, to a heat treatment temperature, normally to approximately 50 to 900 degrees Celsius. The heating takes place as a result of the product being fed through a burner that has a central through channel into which the product is fed. Fuel and oxidant are supplied through channels that are outside of the central channel and are supplied at such a rate that the combustion of the fuel takes place in front of an outlet opening of the burner head of the burner. | 07-09-2009 |
20090189322 | POST-COMBUSTION LANCE WITH INTERNAL SUPPORT - A post-combustion lance for directing a gas at least partially therethrough. The post-combustion lance includes a body having a primary tip from which a first part of the gas exits, upper and lower portions, and a post-combustion distributor mounted between the upper and lower portions and upstream from the primary tip. The distributor includes a number of ports through which a second part of the gas exits the lance. The lance also includes an upper inner tube positioned at least partially upstream from the distributor and an internal support assembly for supporting the body. The internal support assembly includes an internal tube positioned inside the body and coaxial with the body. | 07-30-2009 |
20090200713 | SYSTEM AND METHOD FOR HARDENING RAILS - System and method for hardening rails by cooling, in a cooling medium, at least one part of a respective rail cross-section of a rail over an entire length of the rail. The system includes a cross displacement device arranged in an area of a roller table, at least one positioning device, at least one coolant container containing the cooling medium, a manipulation gripper comprising a plurality of pincers and being structured and arranged to move the rail. The method includes at least one of moving the rail from the roller table to the at least one coolant container positioning the rail into the at least one positioning device via the manipulation gripper, as well as moving the rail into the coolant medium with the at least one positioning device. | 08-13-2009 |
20090206527 | HIGH PRESSURE HEAT TREATMENT SYSTEM - A furnace for heat treating a metal workpiece is provided. A method and system for processing a workpiece also are provided. | 08-20-2009 |
20090218736 | CONTROL OF A MELTING PROCESS - The invention relates to a method to control a process for heating or melting a metal, in particular aluminium, which includes: heating said metal in a fuel-fired furnace wherein a fuel is combusted with an oxygen containing gas, measuring the concentrations of carbon dioxide and oxygen in the furnace atmosphere, calculating the theoretical concentration of oxygen in the furnace atmosphere on the basis of said concentration of carbon dioxide, determining the difference between said theoretical concentration of oxygen and said detected concentration of oxygen and controlling said process depending on said difference. | 09-03-2009 |
20090267274 | SKIMMER APPARATUS AND METHOD - An embodiment in accordance with the present invention provides an apparatus and a method for skimming slag from molten metal including a base, wherein the base pivots around an axis, a mast mounted on the base, a carriage including wheels and the wheels engage the plurality of posts, an outer beam disposed perpendicular to the mast and within an inner space of the carriage, and including walls defining a slot and powered wheels, an inner beam disposed movably within the slot of the outer beam and in frictional contact with the powered wheels, and rams including one end mounted on the other beam and the other end mounted on one of the base or the mast. This configuration provides at least four degrees of freedom to the apparatus in order to skim the slag from the molten metal. | 10-29-2009 |
20090283941 | METHOD FOR BOLTLESS HEAT TREATMENT OF THIN FLANGES - A method for preventing distortion in a flange of a metal part during heat treatment is provided. A method of preventing distortion includes engaging a bottom surface of the flange with a first boltless ring, engaging a top surface of the flange with a second boltless ring, locking the first and second boltless rings into a fixed position relative to each other and relative to the flange, heat treating the part, unlocking the first and second boltless rings from each other, and removing the first and second boltless rings from engagement with the flange. | 11-19-2009 |
20090315228 | METHOD AND DEVICE FOR COOLING AND STABILIZING STRIP IN A CONTINUOUS LINE - The invention concerns a method for cooling metal strips using cooling chambers by blowing a gas, in a continuous heat treatment line, wherein: the chambers ( | 12-24-2009 |
20090315229 | INDUSTRIAL PLANT HAVING SAFETY-RELEVANT AREA - In an industrial plant for producing or processing liquid, red-hot or hot metal a safety-relevant area is formed in the direct vicinity of the liquid or red-hot metal and the presence of a person is at least periodically not allowed. A detector unit is provided for the surveillance of the area, detecting electromagnetic radiation emitted by a present person or identifying the absence of electromagnetic radiation blocked by a present person. Furthermore, an evaluation unit is able to detect the presence of a person from the output data of the detector unit, and for a control unit which is connected to the evaluation unit. If a person is present in the safety-relevant area, the control unit automatically initiates an action acting against the presence of the person. By forming a plurality of safety-relevant areas having different danger levels, gentle stopping of the industrial plant is made possible. | 12-24-2009 |
20090315230 | BLAST FURNACE GAS BURNING FACILITY AND METHOD FOR OPERATING THE SAME - Provided is a blast furnace gas burning facility with a simple configuration and capable of operating at nearly rated load while preventing a wet type dust collector from freezing under such conditions that the temperature of blast furnace gas does not exceed the freezing lower-limit temperature of the wet type dust collector, and also provided is a method for operating the blast furnace gas burning facility. In a blast furnace gas burning facility 1 that burns blast furnace gas discharged from a blast furnace by supplying the gas to a combustor | 12-24-2009 |
20100019420 | UPPER NOZZLE/PLATE INTEGRAL UNIT AND METHOD OF SPLITTING THE SAME - Disclosed is an upper nozzle/plate integral unit comprising an upper nozzle and an upper plate integrated together, which is capable of being easily split into the upper nozzle and the upper plate after use, while adequately maintaining a thickness of a joint between the upper nozzle and the upper plate during use. A metal casing | 01-28-2010 |
20100025899 | METHOD AND DEVICE FOR OPERATING A CHANGE CONVERTER UNIT OF AN OXYGEN STEEL-MAKING PLANT - A disadvantage during the operation of a change converter unit ( | 02-04-2010 |
20100072681 | METHOD AND DEVICE FOR THE INDUSTRIAL THERMAL TREATMENT OF ELONGATED MECHANICAL PARTS - A device for the thermal treatment of elongated mechanical parts including an oven having a cylinder barrel arranged into a heated enclosure, the barrel having at least one ring driven in rotation around an axis of axial symmetry of the cylinder barrel by a driving mechanism. The ring including at least one storage pipe parallel to the axis of axial symmetry able to receive at least one mechanical part to be heated, and the enclosure having an inlet and an outlet for the mechanical parts which are equidistant from the axis of axial symmetry for each ring of the barrel. A method for the thermal treatment of mechanical parts is also provided. | 03-25-2010 |
20100084795 | METHOD FOR OPERATING A CONVERTER - In a method for operating a converter ( | 04-08-2010 |
20100123275 | OFF-GAS HEAT RECOVERY AND PARTICULATE COLLECTION - An exhaust stream buffering system is described to temper a temperature profile and reduce a particulate load to permit heat recovery and cleaning. The buffering system may reduce the volatile temperature profile to even the temperature spikes, and produce a more even cyclical temperature profile. When used in steel making facilities, the buffered stream may also be augmented by blast furnace gases to provide additional energy for a heat recovery system. | 05-20-2010 |
20100133730 | Slag Removal System for a Burn Table - A pivoting door assembly for a downdraft cutting table assembly includes a door For covering a vent of the downdraft cutting table assembly, and an arm assembly coupled to the door. The downdraft cutting table assembly may include a cutting table for supporting a workpiece, a cutting torch assembly for positioning a cutting torch for cutting the workpiece, an exhaust duct for exhausting fumes, and a vent opening into the exhaust duct. The downdraft cutting table assembly may also include a slag removal system. The arm assembly is actuated by the cutting torch assembly as the cutting torch assembly positions the cutting torch over the cutting table. Actuation of the arm assembly by the cutting torch assembly causes the arm assembly to pivot the door open for allowing fumes from the cutting torch to be drawn into the exhaust duct. | 06-03-2010 |
20100156011 | Continuous Heat Treatment Furnace and Utilizing the Same, Metal Tube and Heat Treatment Method - A continuous heat treatment furnace is provided in which an atmosphere-control gas is introduced to a heating chamber having a heating zone, metal tubes are continuously charged along an axial direction from a furnace entrance, and the metal tube subjected to a heat treatment is taken out from a furnace. The continuous heat treatment furnace includes a front chamber which has a preheating zone on an entrance side of the heating chamber and seal curtains which are located on an entrance side and an exit side of the front chamber. | 06-24-2010 |
20100201049 | Thermally efficient, cover for metal containment vessel, related system and methods - A thermally efficient cover for the molten metal held in a furnace, tundish, ladle, crucible or other containment vessel. Through substantially horizontal movement, this cover allows for periodic removal, particularly by retraction, for accessing contents of that furnace from a top aperture in the containment vessel. This invention further relates to a covered furnace system and methods of use. | 08-12-2010 |
20100213647 | PROCESS AND INSTALLATION FOR HEATING A METALLIC STRIP, NOTABLY FOR AN ANNEALING - The invention pertains to the heating of a metal strip, and relates to equipment for heating a metal strip that comprises a pre-heating housing provided with a device for projecting hot gases towards the strip, a heating housing with regenerative burners, a duct for discharging the gases from the heating housing, a three-way adjustable valve and an adjustment device including a sensor for detecting the setpoint temperature of the metal strip and a member for adjusting the three-way valve so that it can adjust the amount of hot gases fed to the projection device. The invention can be used in equipment for heating narrow strips before annealing the same. | 08-26-2010 |
20100219565 | Cooling Apparatus of Hot Steel Plate, Cooling Method of Hot Steel Plate, and Program - An apparatus for controlled cooling of hot steel plate while constraining and conveying the plate by constraining rolls horizontally which is inexpensive and enabling continuous control of the cooling ability over a broad range, that is, a cooling apparatus for spraying hot steel plate hot rolled and transferred between pairs of constraining rolls with cooling water from pluralities of lines of spray nozzles so as to cool the same, which apparatus has lines of gentle cooling spray nozzles and lines of strong cooling spray nozzles with different orifice shapes and enables continuous control of the cooling ability over a broad range due to the fact that a maximum cooling water impact pressure integrated value of the lines of gentle cooling spray nozzles and a minimum cooling water impact pressure integrated value of the lines of strong cooling spray nozzles are continuous. | 09-02-2010 |
20100219566 | Cooling Control Method, Cooling Control Apparatus, and Cooling Water Amount Calculation Apparatus - A cooling control method which quickly controls the amounts of cooling water sprayed from top and bottom surfaces of the cooling apparatus when cooling steel plate to a predetermined cooling end temperature so as prevent shape deterioration of steel plate occurring due to the difference of cooling rates between the top surface and the bottom surface with a high precision, that is, a cooling control method of calculating cooling conditions required for cooling the steel plate to a predetermined temperature for a plurality of positions inside the cooling apparatus based on measured temperatures at a time when the steel plate passes through the cooling apparatus by a thermometer disposed at the entry-side of the cooling apparatus and setting a cooling schedule, calculating a heat transfer coefficient from the set temperature and a cooling bottom water density, calculating a cooling top water density from the calculated heat transfer coefficient, and controlling the amounts of cooling water of the cooling apparatus based on the ratio of the cooling bottom water density and cooling top water density so as to cool the steel plate to a predetermined cooling end temperature, thereby simplifying the amount of calculation required for controlling the amounts of cooling water sprayed from the top and bottom surfaces of the cooling apparatus. | 09-02-2010 |
20100219567 | PROCESS LINE CONTROL APPARATUS AND METHOD FOR CONTROLLING PROCESS LINE - A process line control apparatus which controls a process line including an annealing furnace ( | 09-02-2010 |
20100219568 | METHOD FOR IN-LINE HEAT EXCHANGER TUBE BRAZING - The invention relates to an installation for soldering or for heat-treating workpieces ( | 09-02-2010 |
20100225034 | Device for the Thermal Deburring of Workpieces - The invention relates to a device for the thermal deburring of workpieces, having at least one deburring chamber and one feeding device for introducing a fuel gas mixture into the deburring chamber. A supplementary gas supply is provided for at least the deburring chamber or for the feeding device such that the fuel gas mixture located at least in the deburring chamber or in the feeding device can be mixed at least partially with supplementary gas. Further, a method for the rapid ventilation of a device for the thermal deburring of workpieces is also provided. | 09-09-2010 |
20100230872 | METHOD OF INTEGRATING A BLAST FURNACE WITH AN AIR GAS SEPARATION UNIT - The invention relates to a method of integrating a plurality of blast furnaces with a plurality of air gas separation units, in which the replacement blower available on the blast furnace site is used to feed compressed air into an air gas separation unit making it possible to enrich the blast-furnace blast with oxygen, this unit being stopped when one of the blowers of the blast furnaces has to be replaced with the blower used by the air gas separation unit. | 09-16-2010 |
20100237548 | STEEL-SHEET CONTINUOUS ANNEALING EQUIPMENT AND METHOD FOR OPERATING STEEL-SHEET CONTINUOUS ANNEALING EQUIPMENT - Steel-sheet continuous annealing equipment includes, in sequence, a pre-heating zone, a heating zone, a soaking zone, a cooling zone, a reheating zone, an overaging zone, and a final cooling zone, and further includes a rapid heating region and a rapid cooling region that are provided within a range from the reheating zone to the final cooling zone (including the reheating zone and the final cooling zone), the rapid heating region allowing rapid heating of a steel sheet at a heating rate of 15° C./s or more and the rapid cooling region allowing rapid cooling, at a cooling rate of 10° C./s or more, of the steel sheet that has been rapidly heated in the rapid heating region. Various steel-sheet products ranging from mild steel sheets to ultrahigh-tensile steel sheets can be produced by performing a heat treatment with such steel-sheet continuous annealing equipment. | 09-23-2010 |
20100244335 | Apparatus and method for supporting continuous casting nozzle, sliding nozzle system and continuous casting nozzle - It is intended to provide a continuous-casting-nozzle support apparatus capable of enhancing sealing performance between a continuous casting nozzle and an SN device. The continuous-casting-nozzle support apparatus comprises: a holding mechanism | 09-30-2010 |
20100244336 | LOW NOx FUEL INJECTION FOR AN INDURATING FURNACE - An indurating furnace has a heating station and an air passage leading to the heating station. A draft of preheated recirculation air is driven through the passage toward the heating station, and is mixed with fuel gas to form a combustible mixture of preheated recirculation air and fuel gas that ignites in the passage. This is accomplished by injecting the fuel gas into the passage in a stream that does not form a combustible mixture with the preheated recirculation air before entering the passage. | 09-30-2010 |
20100314809 | Heating Device for Preheating a Liquid-Metal Transfer Container - A heating device for preheating a container ( | 12-16-2010 |
20110006465 | METHOD AND PLANT FOR HEAT TREATMENT OF METALLIC ELEMENTS - A plant for the heat treatment of metallic elements (E) includes: at least a chamber ( | 01-13-2011 |
20110018178 | METHOD AND DEVICE FOR BLOWING GAS ON A RUNNING STRIP - The present invention relates to a method for acting on the temperature of a travelling strip ( | 01-27-2011 |
20110042866 | Method and Device for Conditioning Process Gases for the Heat Treatment of Metallic Work Pieces in Industrial Furnaces - In a method and with a device for preparing process gases ( | 02-24-2011 |
20110074070 | OPERATION METHOD OF FLASH SMELTER AND RAW MATERIAL SUPPLY APPARATUS - An operation method of a flash smelter includes blowing a gas for dispersing raw material and contributing to a reaction, from a lance at an upper portion of a shaft so that the gas forms a spiral flow. A raw material supply apparatus includes a supply portion supplying raw material and a gas for dispersing the raw material and contributing to a reaction into a flash smelting furnace, wherein the supply portion has a lance provided at an upper portion of a shaft that blows the gas so that the gas forms a spiral flow. | 03-31-2011 |
20110074071 | COOLING PLATE ARRANGEMENT AND METHOD FOR INSTALLING COOLING PLATES IN A METALLURGICAL FURNANCE - The present invention proposes a gap-filler insert ( | 03-31-2011 |
20110089617 | DEVICE FOR ADJUSTING THE LOCKING POINT OF AN ELECTRODE - A device for adjusting a locking point of an electrode of a smelting furnace including: a vice for supporting the electrode and supplying the electrode with power, and a structure coupled with the vice and including a support mechanism of the electrode and a mechanism moving the electrode vertically. | 04-21-2011 |
20110109021 | Apparatus and Methods for Achieving Low NOx in a Grate-Kiln Pelletizing Furnace - A grate-kiln pelletizing furnace includes a grate that conveys pelletized material to a rotary kiln, a cooler that cools pelletized material from the rotary kiln, and a gas flow apparatus that directs a stream of gas from the cooler to the rotary kiln to provide preheated process air for pelletized material in the rotary kiln. The gas flow apparatus also directs a stream of gas from the grate to the rotary kiln to vitiate the preheated process air. | 05-12-2011 |
20110127701 | DYNAMIC CONTROL OF LANCE UTILIZING CO-FLOW FLUIDIC TECHNIQUES - A jet of gas injected from a lance is fluidically deviated with a gas flowing in either the same or opposite direction as the jet of gas. The gas used to fluidically deviate the jet is the same as or different from the gas in the jet. | 06-02-2011 |
20110133372 | SELECTIVE SOLDERING APPARATUS AND A METHOD OF PUMPING SOLDER IN A SELECTIVE SOLDERING APPARATUS - An impeller type pump ( | 06-09-2011 |
20110133373 | APPARATUS FOR REMOVAL AND REPLACEMENT OF A HINGED LID ON A METALLURGICAL TRANSPORT VESSEL - An apparatus for the removal and replacement of a lid on a metallurgical transport vessel such as a ladle or a torpedo car. The apparatus comprises a frame, means for supporting the frame such that the vessel may be moved into position thereunder, a linkage including at least one lifting member pivotally connected to the frame, and at least one actuator connected to the linkage. The actuator is operable to move the lifting member such that when the vessel is moved to a designated position below the apparatus, the lifting member can be moved by the actuator and linkage from a first position providing clearance above the vessel, through a curved path to an intermediate position where it engages the lid, providing a vertical lifting force and a horizontal hinge releasing force to the lid, and to a second position where the lid is raised to a sufficient height to clear the vessel. The lifting member may subsequently be moved back by means of the actuator and linkage through a reverse curved path to the first position, and thereby lower the lid back on to the vessel. | 06-09-2011 |
20110156324 | SIDEWALL AND BOTTOM ELECTRODE ARRANGEMENT FOR ELECTRICAL SMELTING REACTORS AND METHOD FOR FEEDING SUCH ELECTRODES - Metallurgical reactors having cooling capability and electrode feed capability are disclosed. The reactors may include a shell having a sidewall and a bottom, where the shell is adapted to contain a molten material. The reactors may include at least one consumable electrode protruding through an opening of the shell and into the molten material. The reactors may include a current contact clamp configured to conduct operating current to the electrode, where the current clamp is in contact with the electrode, and where the current clamp comprises at least one internal channel, wherein the internal channel is configured to circulate a cooling medium. The reactors may include an electric isolation ring disposed between the electrode and the opening of the shell, wherein the electric isolation ring is configured to sealingly engage the electrode and the opening so as to restrict flow of the molten material out of the shell. | 06-30-2011 |
20110175265 | METHOD AND DEVICES FOR REGULATING THE FLOW RATE AND FOR SLOWING DOWN MELT STREAMS THROUGH MAGNETIC FIELDS IN THE TAPPING OF METALLURGICAL CONTAINERS SUCH AS BLAST FURNACES AND MELT FURNACES - The invention relates to a method for regulating the flow rate and for slowing down melt streams through magnetic fields in the tapping of metallurgical containers such as blast furnaces and melt furnaces. The method is characterized in that the melt stream is routed in a closed routing element using at least two magnetic fields disposed in series one after the other in the flow direction of the melt, said magnetic fields having a constant polarity opposite to one another, in such a way that the magnetic field lines transversally penetrate the melt flow across the entire cross section thereof and such that opposite voltages are induced in the melt stream by the magnetic fields, there being at least three eddy current fields produced thereby in the melt stream that are disposed axially one after the other, and that due to the interactions between the magnetic fields and the eddy currents forces are generated that can be used to reduce the flow rate of the melt stream. | 07-21-2011 |
20110187031 | DEVICE AND METHOD FOR HEATING A METAL MATERIAL - Device for heating a metal material, includes an elongated DFI burner device, arranged to be driven with gaseous oxidant and gaseous fuel and to be displaceable and longitudinally arranged with respect to the metal material. The device has supply devices for fuel and oxidant. The burner device includes longitudinal, tubular vessels for fuel and for oxidant, arranged in parallel to one another and relative to the surface of the metal material. Each vessel has one or more openings arranged along the vessel, through which the fuel and oxidant are arranged to flow out and then converge in an ignition zone outside the respective vessels, where a flame is generated. The respective supply devices are arranged via a regulator to keep the pressure constant throughout the vessel in question during operation. Each vessel has a longitudinally displaceable piston for controlling the longitudinal extension of the flame in the longitudinal direction of the vessels. | 08-04-2011 |
20110210483 | MOLTEN METAL SUPPLY CYLINDER, MOLTEN METAL SUPPLY APPARATUS INCORPORATING SUCH A SUPPLY CYLINDER AND MOLTEN METAL SUPPLY METHOD - An object of the present invention is to provide a molten metal supply cylinder that has a simple configuration if compared with the configurations of the prior art and can suppress mixing of oxide that is produced on the surface of a low melting point metallic material in a solid phase with molten metal. | 09-01-2011 |
20110227261 | METAL MELTING APPARATUS - A refractory well ( | 09-22-2011 |
20110233831 | Method of arranging and setting spray cooling nozzles and hot steel plate cooling apparatus - The present invention relates to an apparatus for cooling hot steel plate applied for controlled cooling of hot steel plate, obtained by hot rolling, while processing it constrained by constraining rolls and obtaining a steel material excellent and uniform in shape characteristics and provides a method of arranging and setting spray nozzles enabling uniform cooling in a direction perpendicular to processing and provides a method of arranging and setting spray nozzles of a spray cooling apparatus using two or more types of nozzles differing in amounts of water and spray regions to obtain a broad range of adjustment of amounts of water, wherein the spray nozzles are arranged so that a value of an n power of the impact pressures of the cooling water sprayed from the spray on the cooling surface integrated in the processing direction between pairs of constraining rolls becomes within −20% of the highest value in the direction perpendicular to processing,
| 09-29-2011 |
20110266725 | METHOD FOR COOLING A MOVING METAL BELT - The present invention relates to a method for cooling a moving metal belt ( | 11-03-2011 |
20110272865 | MEASUREMENT OF CHARGE BANK LEVEL IN A METALLURGICAL FURNACE - Various systems and methods for monitoring the level of a feed material layer in a metallurgical furnace are described. At least one non-contact sensor is used to sense a distance between the feed layer and a reference position. A process controller linked to the sensor provides a control signal based upon the sensed distance. The control signal may be used to control various factors in the operation of the metallurgical furnace. | 11-10-2011 |
20110316205 | SUPPLY SYSTEM FOR SUSPENSION SMELTING FURNACE - A supply system for providing a suspension smelting furnace with constant and continuous feed is disclosed. The installation of the invention comprises intermediate storage bins for fine-grained feed, a feed rate controller for accurately controlling the feed rate of the fine-grained material, and a pneumatic conveyor for lifting the feed up to the top level of the suspension smelting furnace where the burner of the furnace is adapted. In the installation, the heavy constructions of the storage bins are located close to the ground level and the constructions around and on top of the furnace have been designed essentially lighter than in conventional solutions. | 12-29-2011 |
20120018930 | TEMPERATURE MAINTENANCE AND/OR POSSIBLE HEATING APPARATUS FOR LONG METAL PRODUCTS AND RELATIVE METHOD - A temperature maintenance and/or possible heating apparatus for long products, continuously cast and sheared to size by means of shearing means so as to define segments of bloom, said apparatus being disposed between a casting machine having a first casting line and a second casting line, and a rolling line disposed downstream of the casting machine in order to make long rolled metal products. The apparatus comprises a first furnace, a second furnace and a transit tunnel. The first furnace is provided with a first introduction rollerway to introduce the bloom segments, disposed aligned with said first casting line, a removal rollerway, aligned with said rolling line and suitable to render the bloom segments available to said rolling line, and transverse transfer devices to transfer the bloom segments from the first introduction rollerway to the removal rollerway. The second furnace is disposed upstream with respect to said first furnace, provided with a second introduction rollerway to introduce the bloom segments, disposed aligned with said second casting line, an exit rollerway aligned with the removal rollerway and suitable to convey the bloom segments toward said removal rollerway and transverse transfer devices suitable to transfer the bloom segments from the second introduction rollerway toward the exit rollerway. The transit tunnel is located aligned with said first casting line, adjacent and parallel to the longitudinal extension of the second furnace and upstream of said first furnace, conformed to transport the cast bloom segments from said first casting line toward the first introduction rollerway of the first furnace. | 01-26-2012 |
20120025433 | METHOD AND APPARATUS FOR REMOTE CONTROLLING, MONITORING AND/OR SERVICING HEAT-TREATMENT EQUIPMENT VIA WIRELESS COMMUNICATIONS - A method and apparatus provide for remote control, monitoring and/or servicing of heat-treatment equipment via wireless communications networks. Specifically, the method and apparatus can be used in pre and post-weld heat-treatment applications for steel pipes in a variety of industries, including, but not limited to, power plants, chemical and petrochemical plants and refineries. Importantly, the embodiment generates and manages all the documentation necessary to input and verify the specified heat-treatment process. It will produce and deliver to the customer the reports and certificates required by the applicable quality control standards, requirements and regulatory authorities. | 02-02-2012 |
20120043705 | METHOD FOR FEEDING A BURDEN TO A BLAST FURNACE - The present invention proposes a method for feeding a burden to a blast furnace ( | 02-23-2012 |
20120068391 | COOLING APPARATUS, COOLING METHOD, MANUFACTURING APPARATUS AND MANUFACTURING METHOD OF HOT-ROLLED STEEL SHEET - The present invention provides a cooling apparatus of a hot-rolled steel sheet capable of manufacturing a hot-rolled steel sheet having ultra fine crystal grains. | 03-22-2012 |
20120098171 | COOLING TANK FOR RAILS - A cooling tank for the thermal treatment of the head of rails, whose frame allows obtaining a stable and on average uniform flow of the cooling fluid which touches the head of the immersed rail along the entire tank, with the continuous exchange of the fluid so as to optimize the cooling speed of the head of the rail. | 04-26-2012 |
20120104666 | COOLING APPARATUS OF STEEL SHEET, AND MANUFACTURING APPARATUS AND MANUFACTURING METHOD OF HOT-ROLLED STEEL SHEET - A cooling apparatus of a steel sheet, which is excellent in discharging water without hindering the movement of a steel sheet, is disposed on a lower process side of a final stand in a row of hot finish rolling mills. The apparatus includes a plurality of cooling nozzles arranged to cool a steel sheet transported on transporting rolls, wherein the cooling nozzles are arranged on upper and lower surface sides of an area in which the steel sheet passes. A lower surface guide is arranged on the lower surface side with the lower surface guide comprising inlet holes through which cooling water sprayed from the cooling nozzles on the lower surface side passes and outlet holes through which the cooling water passes, dropping downwardly to be discharged. The inlet holes and the outlet holes are arranged alternately in a moving direction of the steel sheet. | 05-03-2012 |
20120161374 | HYDROMETALLURGICAL PLANT OF NICKEL LATERITE ORE AND OPERATION METHOD THEREOF - In a hydrometallurgical plant of a nickel laterite ore having a plurality of lines of treatment facilities, the hydrometallurgical plant of the nickel laterite ore which is, even when a serious trouble will occur in said treatment facilities, capable of minimizing decrease in throughput caused by this, and restoring a normal operation state early, after eliminating the serious trouble, and an operation method thereof. | 06-28-2012 |
20120175827 | METHOD AND SYSTEM OF REMOVING ACCRETION BUILDUP IN A FURNACE - A method and system for method for removing solid accretions from a copper anode or holding furnace using coherent jet lance assembly directed towards the solid accretions in the bottom portion of the copper anode furnace to melt the solid accretions over an extended period of time without damage to the furnace refractory proximate a point of stream impingement. | 07-12-2012 |
20120200012 | METHOD OF USING A SUSPENSION SMELTING FURNACE, A SUSPENSION SMELTING FURNACE, AND A CONCENTRATE BURNER - The invention relates to a method of using a suspension smelting furnace and to a suspension smelting furnace and to a concentrate burner ( | 08-09-2012 |
20120205839 | METHOD FOR OPERATING BLAST FURNACE - A coke layer and an ore layer are formed in a blast furnace. The coke layer is formed of conventional coke and the ore layer is formed of carbon iron composite, conventional coke, and ore. The mixing percentage of the conventional coke in the ore layer with respect to the ore is 0.5 mass % or more. Slowing of the gasification reaction of carbon iron composite in the cohesive zone can be suppressed. | 08-16-2012 |
20120217683 | WASTE HEAT SYSTEM - A preheat charging system for preheating scrap metal prior to delivery to a melting furnace. The system includes a preheating station having a heating chamber adapted to receive scrap metal. Hot gas from a burner chamber is circulated around the scrap metal. The burner chamber is adapted to receive exhaust gas from a hot exhaust gas source such as a melting furnace. A burner apparatus is mounted within the burner chamber in a flow path of an exhaust inlet port. The burner is configured to supply supplemental heat on demand to the heating chamber to supplement the hot exhaust gas. A first fan can be provided to direct exhaust air from a furnace to the burner chamber. A second fan can be provided for directing air into the burner apparatus. | 08-30-2012 |
20120228811 | METHOD OF FEEDING FUEL GAS INTO THE REACTION SHAFT OF A SUSPENSION SMELTING FURNACE AND A CONCENTRATE BURNER - The invention relates to a method of feeding a fuel gas into the reaction shaft of a suspension smelting furnace and to a concentrate burner for feeding a reaction gas and fine solid matter into the reaction shaft of the suspension smelting furnace. In the method, fuel gas ( | 09-13-2012 |
20120235331 | METHOD AND APPARATUS FOR REMOVING COOLANT LIQUID FROM MOVING METAL STRIP - Exemplary embodiments of the invention include a method and apparatus for cooling a metal strip that is being advanced in a generally horizontal fashion. The method involves delivering a coolant liquid onto a lower surface of the strip from below across the entire width of the strip, preventing the coolant liquid from contacting the upper surface of the strip, and optionally subsequently removing the coolant liquid from the lower surface. The coolant liquid is prevented from contacting the upper surface by forming a gas-directing channel immediately above the upper surface of the strip adjacent to one or preferably both lateral edges of the strip and forcing a gas through the channel in a direction generally away from a center of the strip towards the one or both lateral edges to deflect coolant liquid away from the upper surface of the strip. The apparatus provides means for carrying out these steps. | 09-20-2012 |
20120242014 | MIST COOLING APPARATUS, HEAT TREATMENT APPARATUS, AND MIST COOLING METHOD - The invention adopts a mist cooling apparatus ( | 09-27-2012 |
20120256359 | METHOD OF SETTING TEMPERATURE OF CONTINUOUS HEATING FURNACE AND METHOD OF CONTROLLING FURNACE TEMPERATURE - A space from a charging hole to a discharge hole of a continuous heating furnace is divided into zones. A furnace temperature is assumed for each zone and a plurality of furnace temperature patterns are set. A metallization rate α | 10-11-2012 |
20120280436 | Method of integrating a blast furnace with an air gas separation unit - The invention relates to a method of integrating a plurality of blast furnaces with a plurality of air gas separation units, in which the replacement blower available on the blast furnace site is used to feed compressed air into an air gas separation unit making it possible to enrich the blast-furnace blast with oxygen, this unit being stopped when one of the blowers of the blast furnaces has to be replaced with the blower used by the air gas separation unit. | 11-08-2012 |
20120292833 | Heating Method and System for Controlling Air Ingress into Enclosed Spaces - A heating method for heating vessels, the vessels having enclosed spaces therein and controlling air ingress into the enclosed spaces through gaps. The method includes providing a lid structure for the vessel having the enclosed space, the lid structure having a burner assembly mounted therein. The burner is configured to provide a predetermined flame diameter. The vessel and lid structure are mated such that the gap is formed between the vessel and the lid structure. Fuel and oxidant are discharged from the burner assembly under conditions to provide the predetermined flame diameter and impart a flame velocity sufficiently large to create an outward gas flow from the enclosed space through the gap and control air ingress. | 11-22-2012 |
20120313298 | CRUST BREAKER ALUMINUM BATH DETECTION SYSTEM - A crust breaker bath detection system includes a cylinder defining a piston chamber. A piston is slidably displaced within the piston chamber by a pressurized fluid. A crust breaker rod connected to the piston is displaced through a crust layer into a bath having a bath voltage when the piston is displaced in the cylinder in a piston drive direction. A controller is in electrical communication with the cylinder. A conductive member is retained by and in electrical contact with the piston and in continuous contact with the cylinder. The conductive member defines a portion of a bath detection circuit including the crust breaker rod, the piston, the conductive member, the cylinder and the controller. The bath detection circuit is closed when the crust breaker rod contacts the bath such that the bath voltage is communicated to the controller by the bath detection circuit. | 12-13-2012 |
20120326362 | HEAT TREATMENT APPARATUS AND A METHOD OF USING SUCH APPARATUS - A heat treatment apparatus | 12-27-2012 |
20120326363 | METHOD AND DEVICE FOR PROVIDING REDUCTION GAS FROM GENERATOR GAS - A method for providing reduction gas for iron ore reduction by cooling and dry dedusting generator gas produced in a melter gasifier for pig iron production, as well as a device for carrying out such method, are provided. The generator gas may be cooled both by water injection and by heat exchange after it has been discharged from the melter gasifier and before a dry dedusting thereof. | 12-27-2012 |
20130009349 | SEPARATION TYPE METALLURGICAL REDUCTION METHOD AND APPARATUS THEREOF - A separation type metallurgical reduction method and an apparatus thereof. The separation type metallurgical reduction apparatus includes a reduction furnace and a multistage cooling device. By means of the separation type metallurgical reduction apparatus, the metallurgical reduction/smelting process and the cooling process are separately performed in different spaces at the same time to improve the operation of the conventional metallurgical reduction furnace within which the smelting process and the cooling process are totally limitedly performed. Accordingly, the shortcomings of too long waiting time, waste of great amount of energy and low yield rate that exist in the conventional metallurgical reduction furnace can be eliminated. | 01-10-2013 |
20130026685 | FURNACE ATMOSPHERE GENERATOR - A heat treatment furnace is provided which includes a gas generator with a methanol inlet connected to a methanol feed line and at least one gas outlet for dissociated methanol, wherein said gas generator is disposed to be in heat exchange contact with a cooling zone and a heating zone of the furnace. | 01-31-2013 |
20130032976 | METHOD OF DIRECTING A GAS FLOW IN A GAS CUTTING TIP - A method of directing a gas flow in a tip of a gas torch includes: directing a flow of gas to an outer passageway of the tip; directing the flow of gas inwardly through at least one intermediate gas passageway; directing the flow of gas to a central gas passageway of the tip; and directing the flow of gas distally through a distal orifice of the tip. | 02-07-2013 |
20130037999 | TEMPERATURE REGULATED VESSEL - Disclosed is a temperature regulated vessel, and method for using the same, having a body configured to melt meltable material received therein, and one or more temperature regulating lines within the body configured to flow a liquid therein for regulating a temperature of the meltable material received in the melting portion. The vessel has a poor or low thermally conductive material on one or more of its parts, such as on the melting portion, on exterior surfaces of the body, and/or surrounding the temperature regulating lines to increase melt temperature of the material. The melting portion can also have indentations in its surface, and low thermally conductive material can be provided in the indentations. The vessel can be used to melt amorphous alloys, for example. | 02-14-2013 |
20130038000 | METHOD OF MIXING GASES FOR A GAS CUTTING TORCH - A method of directing gas flows in a gas torch includes directing a flow of a first gas and a flow of a second gas to a mixer central gas passageway of a mixer and directing the flow of the mixed first and second gases from the mixer to an axial passageway of a tip. The method further includes directing a flow of a third gas to an outer passageway of the tip, directing the flow of the third gas inwardly through at least one intermediate gas passageway, and then directing the flow of the third gas to a tip central gas passageway of the tip. Finally, the flow of the mixed first and second gases and the flow of the third gas are directed distally through a distal portion of the tip. | 02-14-2013 |
20130069287 | FLOATING ENTRAINMENT METALLURGICAL PROCESS AND REACTOR - A floating entrainment metallurgical process includes injecting a reaction gas and powdery materials into a reaction furnace, aiming to obtain a controllable highly rotating and floating state and reach the ignition point under the high-temperature radiation of the reaction furnace to combust intensely. Meanwhile, a rotating fluid injected in the reaction furnace will drive the furnace gas, and forms a relatively low-temperature circular backflow protection area around the rotating fluid. | 03-21-2013 |
20130075963 | CERAMIC LINED CHANNEL INDUCTOR - A channel inductor of a channel induction furnace is disclosed. The channel inductor comprises a channel liner that defines a channel for a molten metal to flow through the channel inductor. The channel liner comprises an inlet and an outlet for the molten metal and a flange for mounting the channel liner to a refractory material lining of a pot of the channel inductor furnace. The channel liner being formed from a ceramic material that is resistant to chemical attack by the molten metal in the channel, whereby in use of the channel induction furnace direct contact between the molten metal and the channel inductor is limited to contact with the channel liner (including the flange) only and molten metal does not contact other parts of the channel inductor. | 03-28-2013 |
20130075964 | DROSS HANDLING METHODS AND APPARATUS - A compressing element, devices for using such a compressing element and methods of use are provided, in which the compressing element has: a upper surface provided with an inlet and an outlet; a lower surface; an at least partially hollow interior provided between the upper surface and the lower surface, the hollow interior being connected to the inlet and the outlet; the hollow interior being provided with: one or more fluid flow constraining surfaces provided by one or more walls of the hollow interior; and one or more fluid flow control elements provided in the hollow interior, the one or more fluid flow control elements being additional to the one or more fluid flow constraining surfaces provided by the one or more walls of the hollow interior. The arrangement of inlet, outlet, fluid flow constraining surfaces and fluid control elements provides for improved cooling of the compressing element, for instance when used to press molten metal processing by-products to extract molten metal. | 03-28-2013 |
20130099430 | ELASTICALLY INTERCONNECTED COOLER COMPRESSED HEARTH AND WALLS - An elastically interconnected cooler compressed hearth comprises a concave dished bottom lined with a sub-layer and a working layer of hearth bricks. Cylindrical walls that rise up from the rim of the concave dished bottom are constructed with one or more tiers of coolers shaped into arc segment blocks that are joined together by their flanges to form complete rings. The outer perimeter of the hearth brick within the ringed tiers is inwardly compressed toward the center to disallow any leaks from forming between the separate bricks. The coolers are elastically interconnected at their flanges by fasteners and springs. Each spring can be individually adjusted to obtain optimal working pressures on the whole of the core wall and hearth floor bricks. | 04-25-2013 |
20130106033 | Continuous feeding system to a smelting furnace of pre-heated metal material, in continuous, potentiated and combined form | 05-02-2013 |
20130127095 | ANNEALING INSTALLATION WITH M-SHAPED STRIP TREATMENT TUNNEL - An annealing installation for the continuous annealing of metal strip guided through the installation, includes an entrance chute | 05-23-2013 |
20130154166 | Method for Increasing the Penetration Depth of an Oxygen Stream - A method and device are disclosed for automatically evaluating a delivery system in respect of the energy efficiency and emissions efficiency thereof. The method may include: determining a service level for the delivery system according to an energy intensity and an evaluation relevance of the particular delivery system, detecting energy data and emissions data of the delivery system corresponding to the determined service level of the delivery system, and calculating at least one indicator based on the detected energy data and emissions data and/or based on data for the energy management and environmental management of the delivery system for evaluating the delivery system with respect to the energy efficiency and emissions efficiency thereof. | 06-20-2013 |
20130161881 | METAL MELTING APPARATUS AND METHOD FOR MELTING METAL - A metal melting apparatus has a heating furnace, a melting furnace mounted on the heating furnace, a high-cycle regenerative system (FIRS), a raw material feeding device and a melted material feeding device mounted on the melting furnace. The HRS heats and recycles high temperature air in the heating furnace and guides the high temperature air to the preheating screw to preheat metal materials in the preheating screw. Thus, a time for melting the metal materials from solid to liquid is greatly shortened. Furthermore, a series of processes for preheating the metal materials in the raw material feeding device, melting the metal materials in the melting furnace and injecting the molten materials to the molds is fluent, time-saving and safe, and can progress continuously. | 06-27-2013 |
20130175741 | Load Transport Mechanism for a Multi-Station Heat Treating System - A load transport mechanism for moving a heat treating load in a multi-station heat treating system is disclosed. The transport mechanism has a compact construction that allows it to fit in a centrally located stationary transport chamber. The transport chamber is adapted to provide ready access to multiple treating chambers arrayed around the chamber. The transport mechanism includes a load translation mechanism for moving the load linearly and a load rotation mechanism for rotating the load within the transport chamber. A multi-station heat treating system having a centrally located quenching chamber that includes the load transport mechanism is also disclosed. | 07-11-2013 |
20130181383 | MELT METALLURGICAL INSTALLATION COMPRISING A CHARGING ELEMENT - A melt metallurgical installation has a melting furnace for melting scrap metal and a charging region for the melting furnace which is located above the melting furnace. The installation further has a charging element, which has been filled with scrap metal intended for the melting furnace and can be moved in a movement direction into the charging region where it can be emptied and then moved again, in the empty state, against the movement direction out of the charging region. The charging region is enclosed by a hood such that the charging region, including the charging element which has been placed in the charging region, is closed at the top and on the sides. The hood has at least one upper extraction opening through which the waste gases and dust developing in the hood can be extracted out of the hood. | 07-18-2013 |
20130207325 | WET SMELTING PLANT FOR NICKEL OXIDE ORE AND METHOD OF OPERATING THE SAME - A wet smelting plant for nickel oxide ore is provided in which, even when a serious trouble occurs in a processing facility, the preparation period of time of the processing facility required for discontinuing and restarting the operation can be minimized. The wet smelting plant for nickel oxide ore ( | 08-15-2013 |
20130221585 | METHOD AND SYSTEM FOR CONTROLLING A CUTTING TORCH - A system for controlling a temperature of a flame of a torch for cutting a piece of material, comprising: a valve system fluidly connectable to an oxygen source and a fuel source for receiving a heating oxygen flow and a fuel flow, respectively, and the torch for propagating the heating oxygen and fuel flows thereto, the valve system comprising at least a first adjustable valve and a second adjustable valve for regulating the heating oxygen flow and the fuel flow, respectively; and a control unit comprising a memory and a processor configured for: receiving data indicative of a desired temperature for the flame; determining, from the data, a corresponding amount of heating oxygen and a corresponding amount of fuel adapted to provide the flame with the desired temperature; and adjusting the valves to provide the torch with the corresponding amount of heating oxygen and the corresponding amount of fuel. | 08-29-2013 |
20130249149 | MOLTEN METAL FURNACE - An improved molten metal furnace including an enlarged buffer plate of nickel-based superalloy material which seals and separates the furnace burners from the product to be heated. The seal from the buffer plate provides for the creation of a generally inert atmosphere for the bath of molten metal. Additionally, angling the interconnecting passageways between the furnace regions improve the thermal efficiency of the circulating molten metal. | 09-26-2013 |
20130270752 | PROCESS FOR OPERATING A BLAST FURNACE INSTALLATION WITH TOP GAS RECYCLING - Blast furnace installation having top gas recycling and process for operating same, in which the oxygen concentration of the oxidizing gas injected into the blast furnace is regulated as a function of the flow rate of the recycled top gas | 10-17-2013 |
20130277896 | PROCESS AND INSTALLATION FOR HEATING A METALLIC STRIP, NOTABLY FOR AN ANNEALING - The invention pertains to the heating of a metal strip, and relates to equipment for heating a metal strip that comprises a pre-heating housing provided with a device for projecting hot gases towards the strip, a heating housing with regenerative burners, a duct for discharging the gases from the heating housing, a three-way adjustable valve and an adjustment device including a sensor for detecting the setpoint temperature of the metal strip and a member for adjusting the three-way valve so that it can adjust the amount of hot gases fed to the projection device. The invention can be used in equipment for heating narrow strips before annealing the same. | 10-24-2013 |
20130300038 | INTEGRATED GAS COOLING SYSTEM FOR ELECTRIC ARC FURNACE - A flue gas cooler | 11-14-2013 |
20130307202 | Method and Apparatus for Heating Metals - The present invention relates to a method of heating a non-ferrous and/or ferrous metal-containing stock in a furnace with a heating chamber, a charging door, an exhaust stream port and an exhaust stream duct, which comprises
| 11-21-2013 |
20130313763 | FURNACE AND METHOD OF OPERATING THE FURNACE - Light metal components and/or plates are transported through a furnace in a clocked or continuous transport process and heated and optionally cooled inside the furnace by an air or gas flow. For this purpose, a continuous air-/gas circulation is generated, wherein circulating air-/gas flow flows across the light metal components and/or plates, heating and cooling them as necessary. The light metal components and/or plates entering into or exiting from the furnace perform a sealing function and prevent the air-/gas flow circulating in the furnace from escaping from the furnace. | 11-28-2013 |
20130328250 | METHOD FOR CONTROLLING THERMAL BALANCE OF A SUSPENSION SMELTING FURNACE AND SUSPENSION SMELTING FURNACE - The invention relates to a method for controlling the thermal balance of a suspension smelting and to a suspension smelting furnace. The suspension smelting furnace, comprising a reaction shaft ( | 12-12-2013 |
20130328251 | APPARATUS FOR PRE-HEATING A METAL CHARGE FOR A MELTING PLANT AND CONNECTED METHOD - Apparatus for pre-heating and conveying a metal charge to a container of a melting plant, comprising at least a conveyor channel along which said metal charge is able to advance so as to be delivered to the container, and in which above said conveyor channel at least a hood is disposed which defines a tunnel inside which at least part of the fumes exiting from said container are able to advance. At least a zone of the hood comprises an expansion chamber located above at least a portion of said metal charge, and able to expand and keep said fumes inside it for a minimum desired time of at least 1.5 seconds before they go into contact with the metal charge. | 12-12-2013 |
20130341839 | USE OF OXYGEN FROM ION TRANSPORT MEMBRANES IN BLAST FURNACE - The present invention is a method of integrating oxygen production with blast furnace operation. A heated air stream is introduced to an ion transfer membrane separator, producing a permeate and a retentate. The permeate and the motive stream are introduced into an ejector jet pump producing an oxygen enriched stream. The oxygen enriched stream is introduced into blast furnace. In another embodiment of the present invention, the permeate and a steam motive stream are introduced into an ejector jet pump. Heated air inlet stream is introduced into a cascading series of ion transfer membrane separators, producing a series of permeate streams and a series of retentate streams wherein each retentate stream acts as the input stream for the subsequent ion transfer membrane separator. Thereby producing a series of oxygen enriched streams which are combined and introduced into blast furnace. | 12-26-2013 |
20130341840 | MOLTEN METAL FURNACE - An improved molten metal furnace including an enlarged buffer plate of nickel based superalloy material which seals and separates the furnace burners from the product to be heated. The seal from the buffer plate provides for the creation of a generally inert atmosphere for the bath of molten metal. Additionally, angling the interconnecting passageways between the furnace regions improve the thermal efficiency of the circulating molten metal. | 12-26-2013 |
20140021663 | LANCE FOR WIRE FEEDING - A lance for feeding an additive wire into a quantity of molten metal below the surface of the molten metal. The lance has an inlet end which receives additive wire and an outlet end which dispenses the additive wire. The lance has an exterior sleeve of cardboard which has an inner surface. A portion of the inner surface of the exterior sleeve contacts an interior sleeve made of a refractory material. At the inlet end of the lance is a cardboard inlet outer sleeve and a cardboard inlet inner sleeve inside of the outer sleeve. The lance can have a coupling for fitting to a wire feeding apparatus. | 01-23-2014 |
20140042676 | DEVICE TO INJECT SOLID MATERIAL INTO A BATH OF LIQUID METAL, AND CORRESPONDING METHOD - Device and method for injecting solid material in particles, powder or granulated form, of varying grain size. The device comprises a tubular pipe which can be applied on a lateral wall of a melting furnace so as to dispose its exit end inside the volume of the melting furnace and above the meniscus of the liquid metal. The device also comprises a chamber or tank to contain the solid material and emitter means comprising valve means which can be selectively opened for an opening time in the range of tenths of a second, to introduce an impulsive jet of pre-compressed gas or air which, in coordination with the opening of an exit valve which can be selectively opened, disposed at one end of said pipe, determines the emission of an impulsive flow of the solid material contained in said chamber or tank, with high kinetic energy and quantity of motion. | 02-13-2014 |
20140048987 | METHOD FOR SHORTENING OPERATION SHUTDOWN TIME OF HIGH PRESSURE ACID LEACH EQUIPMENT IN A HYDROMETALLURGICAL PROCESS - This invention provides a method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process, wherein the high pressure acid leach equipment comprises (i) means to transfer an ore slurry into the high pressure acid leach equipment; (ii) means to increase temperature and pressure of an ore slurry before leaching; (iii) means to add sulfuric acid into the high pressure acid leach equipment and to leach the ore slurry to obtain a leached slurry at high temperature under high pressure; (iv) means to adjust the pressure of the leached slurry; and (v) means to discharge the leached from the high pressure acid leach equipment; wherein, upon operation shutdown of the high pressure acid leach equipment, the leached slurry is subjected to self-circulation inside the high pressure acid leach equipment. | 02-20-2014 |
20140091502 | DEVICES AND METHODS FOR ENHANCING BURDEN UNIFORMITY IN A COMBINATION REFORMING/REDUCING SHAFT FURNACE - The present invention provides a combination reforming/reducing shaft furnace for the production of direct reduced iron that utilizes one or more burden uniformity enhancers, such as one or more rotating/reciprocating mixing shafts, one or more stationary flow aids, one or more wall structures/variations, one or more agitators, or the like for ensuring that reforming and reducing in the shaft furnace take place evenly across the width of and throughout the depth of the burden in the shaft furnace. | 04-03-2014 |
20140110890 | METHOD AND APPARATUS FOR CONTINUOUSLY TREATING METAL STRIP - An apparatus for continuously treating metal strip of aluminum, an aluminum alloy, a nonferrous metal, or a nonferrous-metal alloy, has at least one heat-treatment device through which the metal strip passes in a strip-travel plane in a travel direction without contact from an upstream inlet end to a downstream outlet end and having a heating zone at the upstream end and a cooling zone formed by a row extending in the direction of at least two cooling subzones. A strip-centering device between the cooling subzones adjusts a position of the metal strip in the strip-travel plane and transverse thereto. | 04-24-2014 |
20140110891 | METHOD AND DEVICE FOR CHARGING COAL-CONTAINING MATERIAL AND IRON CARRIER MATERIAL - A melter gasifier of a smelting reduction installation is charged by bringing together coal-containing material in lump form and iron carrier material (which may be hot) before and/or while they enter the melter gasifier. The ratio of the combined amounts of iron carrier material and coal-containing material in lump form is variable. The combined amounts of iron carrier material and coal-containing material in lump form are distributed over the cross section of the melter gasifier by a dynamic distributing device, and the ratio of the combined amounts of the iron carrier material and coal-containing material in lump form is set depending on the position of the dynamic distributing device. | 04-24-2014 |
20140117595 | Cooling Apparatus of Thick-Gauge Steel Plate - A cooling method of a thick-gauge steel plate by spraying water from a plurality of spray nozzles on the top and bottom surfaces of the thick-gauge steel plate conveyed between the adjoining pairs of constraining rolls, each comprising a top roll and bottom roll, constraining and conveying the steel plate so as to efficiently cool the top and bottom surfaces of thick-gauge steel plate to secure symmetry of temperatures of the top and bottom surfaces and uniformity of temperature in the plate width direction and achieve improvement of flatness of thick-gauge steel plate and uniformity of quality. | 05-01-2014 |
20140131929 | METHOD FOR OPERATING A BLAST FURNACE - A method of operating a blast furnace comprising two or more lances that inject reducing agents from a tuyere including injecting a solid reducing agent and a flammable reducing agent from different lances; and arranging a position of an end of the lance that injects the flammable reducing agent closer to a near side in a injecting direction by more than 0 to 50 mm than a position of an end of the lance that injects the solid reducing agent. | 05-15-2014 |
20140138883 | MELTING REDUCTION ASSEMBLY AND METHOD FOR OPERATING A MELTING REDUCTION ASSEMBLY - A melting reduction assembly ( | 05-22-2014 |
20140151941 | HOOD-TYPE ANNEALING FURNACE AND METHOD FOR OPERATING THE SAME - A hood-type annealing furnace for the thermal treatment of cold-rolled steel strip includes a base, a protective hood which can be placed on the latter and under which a protective gas heated by a gas burner is circulated by a blower, to heat the steel strip, rolled up particularly into a coil, under the protective hood to a temperature of at least 500° C. in a protective gas atmosphere. An electric heater fed by the public power network has a heating capacity correspondingly substantially to the heating capacity of the gas burner. The protective gas can be independently heated with the electric heater, alternatively to the gas burner, with the gas burner switched off, to a temperature above the recrystallization annealing temperature. A method for operating a hood-type annealing furnace is also provided. | 06-05-2014 |
20140159286 | ROD OR WIRE MANUFACTURING SYSTEM, RELATED METHODS, AND RELATED PRODUCTS - A cooling unit, a heating-cooling operation including a cooling unit, a rod or wire manufacturing system, a method for manufacturing a rod or wire, a method for heat treating of a rod or wire, a method for treating metal, a steel rod or steel wire, and a treated metal having an improved tensile strength are disclosed. The cooling unit includes at least one adaptable quenching zone and at least one adaptable soaking zone. The at least one adaptable quenching zone is capable of quenching to a soaking temperature. The at least one adaptable soaking zone is capable of maintaining substantially the soak temperature. | 06-12-2014 |
20140167336 | INTEGRATION OF OXYGEN TRANSPORT MEMBRANE WITH COAL BASED DRI PROCESS - A process for the integration of oxygen transport membrane with a coal based DRI process is provided. The process includes introducing a heated, compressed air stream into an oxygen transport membrane separator, thereby producing a permeate stream and a retentate stream, introducing at least a portion of the retentate stream into a fired heater along with a combustion air stream, and introducing at least a portion of the permeate stream into a DRI shaft furnace. | 06-19-2014 |
20140175713 | METHOD FOR OPERATING A CONTINUOUS ANNEALING LINE FOR THE PROCESSING OF A ROLLED GOOD - A method operates a continuous annealing line for the processing of a rolled good, in particular a metal strip. A property of the rolled good in relation to a point or a section of the rolled good is fed to a computer-aided model as an input variable. The point or the section of the rolled good is located before or in the continuous annealing line. For the purpose of precise control of the continuous annealing process, at least one material property of the rolled good after the continuous annealing process is simulated by the computer-aided model and compared with a specified target value. If the simulated material property deviates from the target value, at least one process variable of the continuous annealing process is controlled as long as the point or the section of the rolled good is located before or in the continuous annealing line. | 06-26-2014 |
20140175714 | APPARATUS AND METHOD FOR THE THERMAL TREATMENT OF LUMP OR AGGLOMERATED MATERIAL - An apparatus for the thermal treatment of lump or agglomerated material in a firing machine includes a travelling grate configured to convey the material through the firing machine. A firing chamber has a ceiling and side walls and is configured to generate temperatures required for the thermal treatment. The ceiling has a plurality of openings and the side walls have a plurality of burners that are directed obliquely upwards. A cooling zone is configured to pass cooling gases through the thermally treated material so as to heat the cooling gases. A recuperation tube is configured to recirculate the heated cooling gases to the firing chamber through the openings in the ceiling. | 06-26-2014 |
20140203482 | Apparatus and Method for the Treatment of a Flat Steel Product, Taking Place in Throughput - An apparatus and a method for the treatment of a flat steel product, taking place in throughput. The apparatus includes an indirectly heated annealing furnace chamber, a conveyor device for continuously conveying the flat steel product over a conveyor path leading from an entry to an exit of the annealing furnace chamber, and nozzle arrangements for feeding atmosphere gas, which is reactive in relation to the flat steel product, into the annealing furnace chamber. A controlled treatment of the flat steel product includes a first nozzle arrangement, from which a gas jet induces a first gas flow towards the entry of the annealing furnace chamber and sweeping over the surface of flat steel product to be treated. A second nozzle arrangement includes a gas jet which induces a second gas flow directed towards the exit of the annealing furnace chamber and sweeping over the surface of flat steel product. | 07-24-2014 |
20140239560 | METHOD FOR CONTROLLING THE SUSPENSION IN A SUSPENSION SMELTING FURNACE, A SUSPENSION SMELTING FURNACE, AND A CONCENTRATE BURNER - The invention relates to a method for controlling suspension ( | 08-28-2014 |
20140252696 | METHOD OF OPERATING REGENERATIVE HEATERS IN BLAST FURNACE PLANT - In a blast furnace plant, at least three regenerative heaters are cyclically operated on blast and on gas: while a regenerative heater is operated on gas, hot flue gas is produced and caused to flow through the regenerative heater so as to heat the heat storage elements; and while a regenerative heater is operated on blast, process gas, i.e. a CO-rich fraction of the top gas, is blown through the regenerative heater so that the process gas takes up heat from the heat storage elements. During, such that during a changeover of a regenerative heater from on-blast to on-gas operation, the regenerative heater is purged from process gas using flue gas collected after having flown through at least one of the regenerative heaters. | 09-11-2014 |
20140265066 | SLAG CLEARING SYSTEM AND METHOD - Embodiments of the present invention comprise systems and methods that clear (e.g., break-up, remove, or the like) the solidified slag (e.g., slag that is solidifying or has at least partially solidified) from the furnace, such as from the slag door as molten slag is removed from the furnace. The systems and methods of the present invention comprise utilizing an arm that is extendable and retractable into and out of a position for accessing an opening in a slag door. The system has a ram that extends and retracts, and may move in horizontal and vertical directions, to clear solidified slag from the slag door opening and other areas within a furnace. The systems and methods of the present invention provide for clearing of solidified slag from the furnace without putting workers in a dangerous environment and without the need for expensive retrofitting of the furnace or furnace deck. | 09-18-2014 |
20140284851 | HARDENING CELL - A cell for quenching a charge under an atmosphere of gas comprises a centrifugal or helicon-centrifugal impeller comprising a gas intake opening and gas discharge openings. The impeller is rotated by a motor to cause a flow of the gas between the charge and a heat exchanger. The quenching cell comprises first and second mobile half-scrolls. In a first position, the first half-scroll guides the gas discharged by a first part of the discharge openings and the second half-scroll closes off a first portion of the intake opening. In a second position, the second half-scroll guides the gas discharged by a second part, different from the first part, of the discharge openings and the first half-scroll shuts off a second portion of the intake opening. | 09-25-2014 |
20140291899 | APPARATUS FOR INDUCING FLOW IN A MOLTEN MATERIAL - The apparatus includes a furnace having a furnace chamber ( | 10-02-2014 |
20140306386 | SUSTAINABLE PROCESS FOR THE CO-GENERATION OF PIG IRON AND ELECTRIC ENERGY USING WOOD AS FUEL - An integrated and sustainable process is presented for the co-generation of pig iron and electric energy in a blast furnace installation in which dried wood replaces charcoal as the fuel, as the reducing and as the carburizing agent. Furthermore, this application incorporates the process—until now independent—of transforming wood into coal, inside the blast furnace. | 10-16-2014 |
20140312540 | APPARATUS AND METHOD FOR POSITIONING LANCES OF ELECTRIC ARC FURNACE, ELECTRIC ARC FURNACE COMPRISING SUCH APPARATUS - A positioning apparatus ( | 10-23-2014 |
20140327192 | METHOD FOR OPERATING AN OXYGEN BLOWING LANCE IN A METALLURGICAL VESSEL AND A MEASUREMENT SYSTEM FOR DETERMINING A MEASUREMENT SIGNAL USED IN THE METHOD - A method for operating a blowing lance for blowing a gas in a metallurgical vessel, wherein the head of the blowing lance includes at least one supersonic nozzle, operating parameter measurement signals used for the purpose of process control are continuously acquired. The inlet pressure and/or the inlet temperature of the gas at the supersonic nozzle and/or the vibration amplitude and/or the vibration frequency of the blowing lance and/or the time at which ignition occurs during the oxygen blowing process and/or the location at which ignition occurs during the oxygen blowing process is detected and/or measured in the head of the lance by a detector or sensor arranged in the head of the lance near the supersonic nozzle during operation of the blowing lance. The measurement signal(s) are transmitted to a control unit connected to the detector or sensor and made available for controlling the operation of the blowing lance. | 11-06-2014 |
20140333015 | BELL-TYPE FURNACE WITH A HEAT DISPENSING DEVICE POSITIONED WITHIN A PROTECTIVE HOOD, IN PARTICULAR FED BY AN ENERGY SOURCE EXTERNAL TO THE FURNACE CHAMBER, FOR DISPENSING HEAT TO ANNEALING GAS - A furnace for a heat treating of annealing stock, wherein the furnace comprises a closeable first furnace chamber which is designed for receiving and for heat treating of annealing stock by means of thermally interacting the annealing stock with a heatable or coolable first annealing gas in the first furnace chamber, and a removable first protective hood by means of which the first furnace chamber can be closed. Further, a first heat exchange device which is at least partially located in the interior of the first furnace chamber closed by means of the first protective hood is provided for heat exchanging with the first annealing gas within the first protective hood. The heat exchange device is arranged in such a manner relative to a first annealing gas ventilator for driving the annealing gas that, in each operating state of the furnace, the annealing gas driven by the first annealing gas ventilator blows against the heat exchange device. | 11-13-2014 |
20140339746 | Device for the Thermal Deburring of Workpieces - The invention relates to a device for the thermal deburring of workpieces, having at least one deburring chamber and one feeding device for introducing a fuel gas mixture into the deburring chamber. A supplementary gas supply is provided for at least the deburring chamber or for the feeding device such that the fuel gas mixture located at least in the deburring chamber or in the feeding device can be mixed at least partially with supplementary gas. Further, a method for the rapid ventilation of a device for the thermal deburring of workpieces is also provided. | 11-20-2014 |
20140353886 | Purification, Recovery, and Recycle of Vent Gas - An apparatus and/or system and method for recycling vent gas from an autoclave is disclosed including cooling and cleaning a vent gas, introducing the cooled and cleaned resultant stream into a purification unit to remove at least a portion of the carbon dioxide and water vapor contained therein, and recycling the purified stream enriched in oxygen into the autoclave or another process requiring enriched oxygen. | 12-04-2014 |
20140367898 | COOLING SYSTEMS FOR HEAT-TREATED PARTS AND METHODS OF USE - Systems and methods for cooling a heat-treated metallic part include a plurality of atomization nozzles disposed on a stage and radially disposed about the part to be cooled; and a fluid in fluid communication with the atomization nozzles. The fluid may gas, liquid, or a combination thereof, e.g., water and gas. During use, the atomization nozzles are generally configured to rapidly cool the thicker sections of the part relative to the thinner section since the thicker sections are generally slower to cool. In some embodiments, the stage can be configured to rotate about the part during cooling. Methods are also disclosed. In one embodiment, the method includes moving a plurality of outlets in a horizontal direction while the heat-treated part is stationary while directing an air and water mixture from the plurality of outlets onto the heat-treated metallic part | 12-18-2014 |
20140374969 | CLOSED TRANSPORT FLUID SYSTEM FOR FURNACE-INTERNAL HEAT EXCHANGE BETWEEN ANNEALING GASES - Furnace for heat treating an annealing material, wherein the furnace comprises a sealable first furnace chamber designed to receiving and heat treating annealing material by thermal interaction of the annealing material with a heatable or coolable first annealing gas in the first furnace chamber, a first heat exchanger which is arranged in the first furnace chamber and which is designed for an exchange of heat between the first annealing gas and a transport fluid, wherein the first heat exchanger is arranged within a housing section of the first furnace chamber, which housing section confines the first annealing gas within the first furnace chamber, a sealable second furnace chamber which is designed for receiving and for heat treating annealing material by means of a thermal interaction of the annealing material with a heatable or coolable second annealing gas in the second furnace chamber, a second heat exchanger which is arranged in the second furnace chamber and which is designed for an exchange of heat between the second annealing gas and the transport fluid, wherein the second heat exchanger is arranged within a housing section of the second furnace chamber, which housing section confines the second annealing gas within the second furnace chamber, and a closed transport fluid path ( | 12-25-2014 |
20150021836 | RAIL HEAT TREATMENT DEVICE AND RAIL HEAT TREATMENT METHOD - A rail heat treatment device includes a cooling header, an oscillation mechanism, and a control system including: a storage unit that stores therein at least information required for a oscillation control; and a control unit that obtains a permissible range of required cooling time for a rail that satisfies a permissible range of hardness of the rail based on a correlation expression representing a correlation between the cooling time for the rail with the cooling header and the hardness of the rail after cooling, controls a stroke and a speed of relative reciprocation of the rail and the cooling header based on the permissible range of the required cooling time, and causes the oscillation mechanism to perform the relative reciprocation of the rail and the cooling header by the stroke and at the speed. | 01-22-2015 |
20150076751 | METHOD OF REDUCING DEW POINT OF ATMOSPHERE GAS IN ANNEALING FURNACE, APPARATUS FOR THE SAME AND METHOD OF PRODUCING COLD-ROLLED AND ANNEALED STEEL SHEET - Part of an atmosphere gas in a heating zone and/or a soaking zone is sucked out and is cooled through a high-temperature gas passage of a heat exchanger by heat exchange with a gas in a low-temperature gas passage, then cooled through a gas cooler, then dehumidified to a dew point of −45° C. or less in a dryer, then heated through the low-temperature gas passage of the heat exchanger by heat exchange with a gas in the high-temperature gas passage, and returned to the heating zone and/or the soaking zone. Part of gas flowing from the dryer toward the low-temperature gas passage of the heat exchanger is returned to a cooling zone. These can achieve a low dew point of −45° C. or less with high energy efficiency. | 03-19-2015 |
20150091223 | METHOD FOR OPERATING A VACUUM MELTING SYSTEM AND VACUUM MELTING SYSTEM OPERATED ACCORDING TO THE METHOD - Metallurgical treatment of a steel melt is provided in a vacuum melting system in which acoustic signals generated in a pan receiving the steel melt are recorded with at least one structure-borne sound pick-up acoustically coupled directly or indirectly to the pan. The acoustic signals are used to determine a variable characterizing the operating state of the vacuum melting system. | 04-02-2015 |
20150102536 | IMPACT RESISTANT SCRAP SUBMERGENCE DEVICE - A metal scrap submergence device having an open top chamber including side and base walls of a heat resistant material. An inlet is included in a side or base wall of the chamber for receiving molten metal. An outlet is included in the base of the chamber. A ramp extends from the side wall of the chamber to an inner column defining the outlet. The ramp includes a first edge adjacent the side wall and second interior edge adjacent the inner column. The working surface of the ramp between the first and second edges is concave. The inner column includes an end wall disposed opposite the chamber base, the end wall includes rounded inner and outer edges. | 04-16-2015 |
20150102537 | METHOD AND ARRANGEMENT FOR REMOVING OUTGROWTH IN A SUSPENSION SMELTING FURNACE - The invention relates to method and to an arrangement for removing outgrowth in a suspension smelting furnace. The suspension smelting furnace comprising a reaction shaft having a reaction shaft structure. The reaction shaft comprises at least one opening for an outgrowth removal means. The movable piston is arranged such that the movable piston can move in the opening in the reaction shaft and into the reaction shaft to push possible outgrowth in the reaction shaft. | 04-16-2015 |
20150102538 | METHOD FOR HEAT TREATMENT, HEAT TREATMENT APPARATUS, AND HEAT TREATMENT SYSTEM - There is provided a method for heat treatment, a heat treatment apparatus, and a heat treatment system capable of performing highly precise and efficient control of heat treatment such as a bright treatment of materials to be treated with ease and safety. A heat treatment furnace has in-furnace structures made of graphite and has a heat-treatment chamber in which heat treatment of materials to be treated is performed. A value of ΔG | 04-16-2015 |
20150102539 | TILTING MECHANISM FOR A VESSEL - The invention relates to a tilting mechanism for a tilting metallurgical vessel, in particular a converter, around a horizontal axis, comprising a rotatable shaft and at least one tilting drive mechanism for rotating the vessel about the axis, the at least one tilting drive mechanism has a fixed part and a moving part, wherein the moving part of the at least one tilting drive mechanism is directly connected to one end of the rotatable shaft. | 04-16-2015 |
20150108698 | METHOD FOR OPERATING A VACUUM MELTING SYSTEM, AND VACUUM MELTING SYSTEM OPERATED ACCORDING TO SAID METHOD - A method operates a vacuum melting system for metallurgically treating molten steel. A vacuum melting system is operated according to the method. The acoustic signals generated in a ladle which receives the molten steel are detected by at least one structure-borne noise detector which is directly or indirectly acoustically coupled to the ladle, and the acoustic signals are used to ascertain the height or the thickness of the foamed slag which can be found in the ladle over the molten bath of the molten steel. | 04-23-2015 |
20150115508 | Burning Apparatus and Method for Manufacturing Reduced Iron Using the Same - The present invention relates to a burning apparatus and a method for manufacturing reduced iron using the same, and more particularly, to a burning apparatus heating a coal briquette to manufacture reduced iron, which includes a first burning furnace heating the coal briquette while moving the truck accommodating the coal briquette along a linear movement path; a second burning furnace connected to the other side of the first burning furnace, and heating the coal briquette while moving the coal briquette discharged from the truck along an annular path; and a cooling device connected to the second burning furnace, and cooling the reduced iron while moving reduced iron reduced in the second burning furnace along an annular path. The burning apparatus circulates exhaust gases generated in the burning furnace and cooling device to control a temperature and an oxygen concentration and thus improves a metallization rate of the reduced iron. | 04-30-2015 |
20150145183 | FLASH VESSEL AND METHOD FOR OPERATING SAME - A hydrostatic tower whose lower part communicates with a liquid phase space within a flash vessel, and whose upper part communicates with a gas phase space within the flash vessel is provided. A rising liquid level within the hydrostatic tower is detected by at least one maximum liquid level sensor provided at a position at the same level as a predetermined maximum liquid level within the liquid phase space. A dropping liquid level within the hydrostatic tower is detected by at least one minimum liquid level sensor provided at a position at the same level as a predetermined minimum liquid level within the liquid phase space. | 05-28-2015 |
20150292050 | BLOWING METHOD AND DEVICE FOR PRODUCING STEEL USING JETS OF HOT AIR - A blowing method for producing steel from molten raw iron in converters. At least one jet of hot air is sprayed from at least one nozzle of at least one spraying device into the converter chamber onto the molten raw iron. The hot air exiting in the form of a jet has a pressure difference ranging from 0.05-0.1 Mpa between the inlet into the nozzle and the outlet out of the nozzle. | 10-15-2015 |
20150306541 | METHODS FOR TREATING FURNACE OFFGAS - A method is provided for separating hydrogen sulfide and carbon dioxide from an offgas stream from a direct reduced iron furnace. The offgas is directed to a separation device which will separate the carbon dioxide and hydrogen sulfide using a hydrogen sulfide absorber and a carbon dioxide absorber. The hydrogen sulfide can be recycled for reuse in the furnace and the carbon dioxide recovered for other additional uses. | 10-29-2015 |
20150308746 | APPARATUS FOR CONVEYING AND PRE-HEATING A METAL CHARGE FOR A MELTING PLANT AND CONNECTED METHOD - Apparatus for continuously conveying and pre-heating a metal charge inside a container of a melting plant, comprising at least a conveyor channel, having walls to convey the metal charge, and at least a hood defining a conveyor tunnel and/or an expansion chamber. The hood is disposed above the conveyor channel for the transit of at least part of the fumes exiting from the container, and the conveyor channel cooperates with apertures to discharge the fumes. The apertures cooperate with at least a fume diverting channel defining at least a first expansion compartment, located substantially vertical or sub-vertical, connected both to the apertures and also to at least a channel to take in the fumes. | 10-29-2015 |
20150322539 | METHOD FOR ADJUSTING FURNACE ATMOSPHERE IN CONTINUOUS ANNEALING FURNACE (AS AMENDED) - A problem with existing technologies that, when decreasing the dew point of the inside of a continuous annealing furnace by using a refiner, a decrease in the temperature of a part of the inside of the furnace cannot be prevented without supplying additional heat, is to be solved. Provided is a method for adjusting a furnace atmosphere in a continuous annealing furnace, the method including drawing a gas, which is a part of the furnace atmosphere, into a refiner | 11-12-2015 |
20150329933 | TOP-ENTRY FLASH VESSEL ARRANGEMENT - The present invention relates to a method and an arrangement for pressure and temperature let down of autoclave discharge slurry ( | 11-19-2015 |
20150330707 | SUPERHEATING OF AN EXPORT GAS USED IN A REDUCTION PROCESS, IN ORDER TO BALANCE OUT AMOUNT FLUCTUATIONS, AND DEVICE - A method and a device for balancing out amount fluctuations while simultaneously increasing the temperature of an export gas ( | 11-19-2015 |
20160017446 | COKELESS REVERBERATORY FURNACE FOR MELTING IRON WITH SEPARATE HEARTH AND MELTING CHAMBER - The invention relates to a process of melting metal using a gaseous fuel, a liquid fuel or a pulverized solid fuel in a reverberatory furnace (FIG. | 01-21-2016 |
20160061529 | Equipment for measurement and control of load material or scrap feeding into a furnace and relative method - Equipment for the measurement and control of load material and scrap metal feeding into an electrical arc furnace includes an automatic control device for feeding control of load material or scrap according to the energy supplied to the bath, and a measuring device for the added load material, in correlation with the automatic control device, and a weighing device for the furnace shell, its contents and any other components it may support. | 03-03-2016 |
20160096222 | A METHOD FOR A POURING CONTROL AND A STORAGE MEDIUM FOR STORING PROGRAMS FOR CAUSING A COMPUTER TO CARRY OUT A PROCESS FOR CONTROLLIHG POURING - [Problem to be solved] To provide a pouring control method, for a ladle-tilting automatic pouring device, where the operation for identification of the parameters, which normally takes much time to complete, can take less time and the device can pour with a high degree of precision by sequentially updating pouring model parameters according to the pouring situation. | 04-07-2016 |
20160102916 | DEVICE AND METHOD FOR CONTROLLING AND/OR REGULATING AN ANNEALING OR HEAT TREATMENT FURNACE OF A PRODUCTION LINE PROCESSING METAL MATERIAL - The invention relates to a device for controlling and/or regulating an annealing or heat treatment furnace ( | 04-14-2016 |
20160123668 | SAND DISPENSING SYSTEM AND METHOD OF DISPENSING SAND INTO A METAL MAKING FURNACE - A sand dispensing system with a compact movable sand reservoir, mounted for movement atop a metal making furnace, is refillable with a predetermined amount of sand, and tilts with the furnace. The reservoir dispenses a directed stream of the predetermined amount of sand through a nozzle in a sump panel door to fill a tap hole in the furnace. One end of the nozzle receives the directed stream of sand. The opposite end of the nozzle projects into the furnace, to direct the sand stream into the tap hole when the sand reservoir is in the dispensing position. An imaging device may be used to inspect the tap hole before and after the sand is directed into the tap hole. A remote control may be used to operate the sand dispensing system. The predetermined amount may be adjusted as the fill volume of the tap hole increases. | 05-05-2016 |
20160138868 | METALLURGICAL APPARATUS - A metallurgical apparatus comprises a vessel for holding a body of liquid metal and a circulating apparatus for circulating the body of liquid metal within the vessel. The vessel has a peripheral wall and a base, and the circulating apparatus comprises a launder that provides an open-topped flow channel and a pumping device for pumping liquid metal through the launder. The launder has an inlet end connected to a first opening in the peripheral wall and an outlet end connected to a second opening in the peripheral wall. The pumping device is configured to pump liquid metal through the launder so that liquid metal flows out of the vessel through the first opening and into the vessel through the second opening, thereby causing the body of liquid metal within the vessel to circulate. | 05-19-2016 |
20160160318 | SYSTEM AND METHOD FOR ADDING MOLTEN LITHIUM TO A MOLTEN ALUMINIUM MELT - A system for adding molten lithium and inert gas in a molten aluminium or aluminium alloy melt including, a crucible defining a chamber for melting and storing molten metal, in particular molten lithium; the crucible having a sealed lid; an inert gas delivery system for maintaining chamber overpressure using inert gas; a conduit for withdrawing a portion of the molten metal from the crucible. The conduit arranged with respect to the crucible or the sealed lid so the conduit inlet can be moved below and above the molten metal surface level and arranged for feeding molten metal from the crucible to a separate holding furnace with the help of overpressure when the conduit inlet is below the molten metal surface level and arranged for feeding inert gas from the crucible to the separate holding furnace when the conduit inlet is above the molten metal surface level. | 06-09-2016 |
20160177412 | HIGH RATE MAGNETIC ANNEALING SYSTEM AND METHOD OF OPERATING | 06-23-2016 |
20160194732 | APPARATUSES AND METHODS FOR PROCESSING A METAL RIBBON | 07-07-2016 |
20160252305 | METHOD AND ARRANGEMENT FOR FEEDING PROCESS GASES FROM A SUSPENSION SMELTING FURNACE INTO A WASTE HEAT BOILER | 09-01-2016 |
20170232507 | CARRIAGE FOR RECEIVING MOLTEN METAL WITH A MECHANISM FOR MOVING A LADLE UP AND DOWN, AND A METHOD FOR TRANSPORTING MOLTEN METAL | 08-17-2017 |
20170233839 | BLAST FURNACE PLANT | 08-17-2017 |