Entries |
Document | Title | Date |
20090038438 | SYSTEMS AND METHODS FOR ACCESSING A FURNACE MELT - A method and apparatus for accessing a furnace melt are provided. Preferably, the method and apparatus provide for the safe and efficient access to the melt. According to one aspect of the invention used in a steel-making process in an electric arc furnace, a furnace aperture burner/lance provides a flame for heating the melt, a lance device for injecting oxygen into the furnace, or both. To access the melt, the furnace aperture burner/lance is disengaged, access is provided to the melt through the furnace aperture, and the furnace aperture burner/lance is reengaged when the access is concluded. | 02-12-2009 |
20100005927 | PROCEDE ET INSTALLATION POUR L'INTRODUCTION D'UN FIL FOURRE DANS UN BAIN DE METAL EN FUSION - A method for introducing a cored wire into a bath of molten metal includes extracting the cored wire from a reel, and making it run into the molten metal bath, one part of the path traveled by the cored wire being formed in a guide tube, whose distal end is at a defined height above the surface of the metal bath. The cored wire is driven and subjected to a straightening operation under conditions practically not altering its substantially circular cross section and allowing it to be introduced and penetrate into the depth of the bath in a vertical direction. The installation includes elements for driving the cored wire from a reel, a guide tube for guiding the cored wire, and elements for straightening the cored wire that are placed in front of its entry into the guide tube, the straightening elements being capable of giving the cored wire a straight direction without altering its circular cross section. | 01-14-2010 |
20100154592 | Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals - A method of using scrap rubber and other scrap materials, such as tires or parts or pieces of tires, to manufacture or melt steel and other metals in a furnace is disclosed. The scrap rubber may be used as a carbon source for the manufacture of steel and other metals, and may be used as an energy source to melt the scrap metal used to make the steel and other metals. The net benefit of this method includes reducing the amount of scrap rubber, such as tires, to be sent to a waste disposal facility or landfill, thereby improving the environment. In addition, by increasing the use of scrap rubber as a source of energy for steel or metal production, less energy is required from other sources. | 06-24-2010 |
20100186552 | MELTING STARTING MATERIAL IN A CUPOLA FURNACE - The invention relates to operating a shaft furnace, in particular a cupola furnace, for melting starting material, wherein the shaft furnace is heated by combustion of a solid fuel and wherein an injection gas, which has an oxygen portion of more than 21%, is injected into the shaft furnace. The shaft furnace is heated by means of at least one burner, wherein a gaseous or liquid fuel and a gaseous oxidant, which encompasses an oxygen portion of more than 21%, is supplied to the burner. | 07-29-2010 |
20100212457 | PRODUCING METAL AND CARBON DIOXIDE WITH HYDROGEN RECYCLE - Offgas containing carbon dioxide and carbon monoxide that is produced in the reduction of ores and other metal oxides in a reactor is treated to reduce its carbon dioxide content and is then contacted with metal oxide to reduce the oxidation state of the metal and oxidize carbon monoxide therein to carbon dioxide, following which the reduced metal is oxidized with steam to produce hydrogen that can be fed to the reactor. | 08-26-2010 |
20110017021 | LANCE FOR INJECTING SOLID MATERIAL INTO A VESSEL - A lance for injecting a solid material into a vessel, such as a direct smelting vessel for producing molten iron, is disclosed. The lance has a core tube assembly comprising a passageway for solid material. The core tube assembly has an inlet for receiving solid material at a rear end and an outlet for discharging material at a forward end. The core tube assembly comprises an outer tube of a structural material and an inner tube of a wear resistant material that are bonded together. A core tube assembly per se and a method of manufacturing the assembly are also disclosed | 01-27-2011 |
20110083532 | PROCESS FOR INCREASING DROSS RECOVERIES - A process for increasing the percentage of metal recovery from dross containing metal particles of different sizes having oxide and salt components adhered thereto. The process includes crushing and tumbling the dross to mechanically remove all of the oxide and salt components from the larger of the metal particles, separating the larger metal particles from the removed oxide and salt components and the smaller metal particles to provide a supply of larger metal particle concentrate, separating the removed oxide and salt components from the smaller metal particles, mechanically impacting the smaller metal particles to remove any additional oxide and salt components from the smaller metal particles, and separating the smaller metal particles from the additional oxide and salt components to provide a supply of smaller metal particle concentrate. | 04-14-2011 |
20110146450 | Method for Generating Combustion by means of a Burner Assembly and Burner Assembly Therefore - A method for generating combustion by means of a burner assembly and corresponding burner assembly are disclosed. The burner assembly comprises a refractory block, a fuel supply system and an oxidant supply system. The refractory block defines along one plane P | 06-23-2011 |
20110162485 | METHOD FOR OPERATING A HEARTH FURNACE - A method for operating a hearth furnace encompassing a furnace chamber heated by at least one burner, including: a) introducing metal-containing material into the hearth furnace, b) melting the metal-containing material in a first melting phase until a melting bath surface has formed, c) melting the metal-containing material in a second melting phase after the melting bath surface has formed, d) removing and/or holding the melted metal, characterized in that the at least one burner is operated during the phase (b) such that a larger portion of burner capacity is emitted in convection rather than in radiant energy, and that respective portions of convection heat and of radiant heat emitted by the at least one burner are adjusted specifically via adjustment of brightness and/or size, in particular length of a flame of the at least one burner. | 07-07-2011 |
20110179909 | INLET NOZZLE FOR A DEGASSING VESSEL FOR METALLURGICAL MELTING OPERATING ACCORDING TO THE RH METHOD - An inlet snorkel for a degassing vessel operating by the RH process. The inlet snorkel is for a degassing vessel for metallurgical melting using the RH process. Gas injection pipes through which inert gas can be introduced into the inlet snorkel are distributed along the axial length of the inlet snorkel, and groove-like guide shapes are provided upstream of these gas injection pipes so as to project into the clear cross section of the inlet snorkel. | 07-28-2011 |
20110185855 | METHOD TO PRODUCE MONOTECTIC DISPERSED METALLIC ALLOYS - The invention relates to a method for producing monotectic alloys with finely dispersed and homogeneously distributed second phase particles from two or more starting metals or alloys, in which the two or more metals or alloys are melted together or separately and the two or more, practically immiscible liquid metallic alloys are mixed to disperse the alloy of lower volume ratio with the other alloy of higher volume ratio, then the system is cooled below the eutectic temperature. The characteristic feature of the method is that at least one of the starting alloys contains stabilizing solid particles. | 08-04-2011 |
20110265606 | METHOD OF PRODUCTION OF ALUMINUM ALLOY - A method of production of an aluminum alloy inhibiting oxidation loss of the alloy melt without the use of Be which is liable to affect the human health. | 11-03-2011 |
20110265607 | Process for the introduction of inorganic solids into hot liquid melts - A method for the introduction of inorganic solid bodies into hot, liquid melts, whereby inorganic solid bodies are added to a plastic containing hydrocarbon and the mixture obtained is added to the hot, liquid melt. | 11-03-2011 |
20110308352 | METHOD FOR PRODUCING FERROALLOY CONTAINING NICKEL - The invention relates to a method for producing a ferroalloy containing nickel. From a fine-grained raw material containing iron and chromium and a fine- grained raw material containing nickel, a mixture is formed with binding agent, the mixture is agglomerated so that first formed objects of desired size are obtained. The objects formed are heat treated in order to strengthen the objects so that the heat treated objects withstand conveyance and loading into a smelter furnace. Further, the objects are smelted under reducing circumstances in order to achieve ferrochromenickel, a ferroalloy of a desired composition containing at least iron, chromium and nickel. | 12-22-2011 |
20120073406 | METHOD AND APPARATUS FOR RECOVERING VALUABLE METALS FROM SLAG AND MANUFACTURING MULTIFUNCTIONAL AGGREGATE - Disclosed is a method and apparatus for recovering valuable metals from slag and manufacturing multifunctional aggregate, wherein a reducing agent is fed into molten slag discharged into a slag pot or a slag reforming pot from a converter or an electric arc furnace thus recovering valuable metals from the molten slag, and then the molten slag is formed into a lightweight porous structure. Accordingly, the valuable metals (Fe, Mn) are recovered from the slag discharged from the converter or electric arc furnace, and slag having low specific gravity is ensured using foaming and controlled cooling and then formed into multifunctional aggregate. | 03-29-2012 |
20120118106 | GAS BARRIER - An apparatus for processing material such as organically coated waste and organic materials including biomass, industrial waste, municipal solid waste and sludge, is provided. The apparatus comprises a rotatable and tillable furnace ( | 05-17-2012 |
20120152060 | TREATMENT LADLE - A treatment ladle comprising a ladle shell containing a generally tubular refractory ladle liner, said ladle being pivotable between a horizontal position and a vertical position, said ladle liner having a first end and a second end with a continuous sidewall therebetween, an interior space being defined between said first and second ends and the continuous sidewall, said ladle liner additionally comprising a pocket for holding a treatment agent, said pocket being located adjacent the first end and in fluid communication with the interior space and located closer to the top than the bottom of the interior space when the ladle is in its horizontal position and closer to the bottom than the top of the interior space when the ladle is in its vertical position, and a spout for receiving and pouring molten metal located closer to the top than the bottom of the interior space when the ladle is in its horizontal and vertical positions, wherein in the horizontal position, a lower volume of the interior space defined below a plane midway between the top and bottom of the interior space and between the first end and a vertical plane intermediate the first and second ends is greater than an upper volume of the interior space defined above the midway plane and between the first end and said vertical plane. The treatment ladle is designed for the treatment of molten metal with vaporisable additives, in particular in the preparation of ductile iron. The invention also relates to a method of treating molten metal employing the ladle. | 06-21-2012 |
20120160062 | REFORMER GAS-BASED REDUCING METHOD WITH REDUCED NOX EMISSION - In a process and apparatus for the reduction of metal oxides (3) to form metalized material by contact with hot reducing gas, which is produced at least partially by catalytic reformation of a mixture of
| 06-28-2012 |
20120198967 | PROCESS TO PRODUCE ROUGH FERRO-NICKEL PRODUCT - Aspects of the present invention refer to a MHP process do produce rough ferro-nickel product and that may include the steps of mixing nickel hydroxide with an iron source and slagging agents, putting the mixture in contact with a reducing agent producing a ferronickel alloy, and producing a roasted product that has disseminated ferronickel alloy inside the structure. | 08-09-2012 |
20130036867 | MELTING METHOD AND RECYCLING METHOD FOR COLLECTED PRINTING PLATES - Since oxidation loss can be reduced even if collected printing plates are directly melted together with fresh ingots, a high melting yield approximately equal to a melting yield in the case of melting recycled ingots can be obtained. The present invention is a melting method for melting collected printing plates | 02-14-2013 |
20130061719 | PRODUCTION OF METAL PRODUCTS DIRECTLY FROM UNDERGROUND ORE DEPOSITS - A process for producing metal compounds directly from underground mineral deposits including steps of forming a borehole at a site into a mineral deposit containing metal compounds, inserting a slurry-forming device having a nozzle into the borehole adapted to direct pressurized water through the nozzle into the mineral deposit, supplying pressured water through the nozzle into the mineral deposit forming a mineral slurry containing metal compounds, extracting the mineral slurry containing metal compounds through the borehole, leaching the mineral slurry converting the metal compounds to a soluble form in a leach solution, and removing metals and metal compounds by treating the leach solution with an extraction treatment removing the metal products. Steps of leaching the mineral slurry and removing metal products are performed at a location remote from the borehole site. In one alternative, the step of removing metal products from mineral slurry is accomplished by pyrometallurgical processes. | 03-14-2013 |
20130112042 | APPARATUS AND METHOD FOR DEGASSING CAST ALUMINUM ALLOYS - A ladle that can melt and freeze castable metal in a specific manner so that high quality liquid metal and metal alloys may be produced with minimum oxide and hydrogen content. Upon introduction of a quantity of molten metal into the ladle, staged heating and cooling of the molten metal promotes the liberation of previously-dissolved gases from the castable metal, resulting in significant decreases in as-cast porosity. | 05-09-2013 |
20130145902 | APPARATUS AND METHOD FOR CONDENSING METAL VAPOR - An apparatus for condensing metal vapors has at least one inlet conduit that is cooled to cause a portion of the metal vapor to condense to liquid. The apparatus also has a holding tank that is connected to the inlet conduit that collects condensed liquid metal. The apparatus also has at least one outlet conduit connected to the holding tank that is cooled to cause a portion of the remaining metal vapor to condense to solid metal. The apparatus also has at least one heater that heats the at least one outlet conduit to cause the solid metal to melt to liquid metal and subsequently flow in to the holding tank. The apparatus also has at least one sealing mechanism located at a distal end of the at least one outlet conduit for preventing metal vapor and carrier gas from exiting the outlet conduit during heating of the outlet conduit. | 06-13-2013 |
20130152738 | Method of Production for a Super Alloy - A method of production for a super alloy comprising the steps of: boring a hole at a depth ranging from about 12 kilometers to about 20 kilometers to create a shaft; manufacturing the shaft, where the shaft includes at least one guide way; maneuvering a super alloy production device to the base of the shaft; exposing a mixture of metals within the super alloy production device to extreme temperature and extreme pressure within the shaft; combining the mixture of metals within the super alloy production device to form a super alloy; removing the super alloy from the shaft with the super alloy production device; and incorporating the super alloy into at least one industrial device. | 06-20-2013 |
20130228044 | COMPOSITE PRODUCTS AND MANUFACTURING METHOD - A composite product and a method of manufacturing the composite product are disclosed. The composite product includes (a) a polymeric material binder and a metal-bearing material or (b) the polymeric material binder and a carbon-bearing material. The 5 method includes heating and mixing the components of the composite product and thereafter forming the heated mixture into a final product shape, with the heating step being sufficient to melt at least a part of the polymeric material binder to facilitate forming the product. | 09-05-2013 |
20130305882 | Titanium-containing molded body - The subject matter of the invention is a molded body containing titanium, a method for the production thereof, and the use thereof. | 11-21-2013 |
20130333523 | DIRECT SMELTING PROCESS - A molten bath-based process for direct smelting metalliferous material and producing molten metal in a direct smelting vessel that contains a molten bath that has a metal layer that is at least 900 mm deep. The process includes selecting operating parameters of the process so that feed material (solid material and carrier gas) is injected from above the metal layer into the metal layer via at least one solids injection lance with sufficient momentum to penetrate to a depth of at least 100 mm below a nominal quiescent surface of the metal layer to cause upward movement of molten material and gas from the metal layer. | 12-19-2013 |
20140033871 | APPARATUS AND METHOD FOR CONDENSING METAL VAPOR - An apparatus for condensing metal vapors has at least one inlet conduit that is cooled to cause a portion of the metal vapor to condense to liquid. The apparatus also has a holding tank that is connected to the inlet conduit that collects condensed liquid metal. The apparatus also has at least one outlet conduit connected to the holding tank that is cooled to cause a portion of the remaining metal vapor to condense to solid metal. The apparatus also has at least one heater that heats the at least one outlet conduit to cause the solid metal to melt to liquid metal and subsequently flow in to the holding tank. The apparatus also has at least one sealing mechanism located at a distal end of the at least one outlet conduit for preventing metal vapor and carrier gas from exiting the outlet conduit during heating of the outlet conduit. | 02-06-2014 |
20140060250 | METHOD FOR RECOVERING VALUABLE METALS - Provided is a method in which, when discarded batteries such as lithium-ion batteries are treated by a dry process, slag having a reduced viscosity is obtained to heighten the recovery of valuable metals. The method for recovering valuable metals includes a dry process (S | 03-06-2014 |
20140069234 | VALUABLE METAL RECOVERY METHOD - Provided is a method for improving the recovery rate of valuable metals such as cobalt when drying the battery waste of lithium ion batteries and the like. A second alloy excellent in terms of iron-cobalt separation performance and containing a small amount of iron is obtained by performing: a pre-oxidation step (ST | 03-13-2014 |
20140083252 | REDUCTION OF METAL OXIDES USING GAS STREAM CONTAINING BOTH HYDROCARBON AND HYDROGEN - A gas stream containing both hydrocarbon and hydrogen is separated into a hydrogen-rich fraction and a hydrocarbon-rich fraction. Then at least one sub-quantity of the hydrocarbon-rich fraction is subjected to at least one operation from the group oxidation using technically pure oxygen and reforming using CO | 03-27-2014 |
20140102256 | METHOD FOR RECOVERING VALUABLE METALS - A method for recovering valuable metals is provided in which the degree of oxidation of molten waste batteries is stabilized and separation between slag and an alloy is ensured. The method includes a roasting step (ST | 04-17-2014 |
20140174256 | VALUABLE METAL RECOVERY METHOD - Provided is a method for stabilizing the degree of oxidation of molten battery waste, and definitively separating slag and alloy. The method is provided with a pre-oxidation step (ST | 06-26-2014 |
20140208896 | SLAG LADLE FOR SEPARATION AND RECOVERY OF MOLTEN IRON FROM SLAG - In an implementation, an apparatus for separation and recovery of a molten metal ( | 07-31-2014 |
20140245864 | DROSS PROCESSING SYSTEM - A dross processing system crucible comprising a substantially vertical inner wall having an upper end, a lower end, an outer surface, and an inner surface, a bottom having an upper surface and a lower surface, the upper surface affixed to the lower end of the inner wall. A blockable port is disposed in the bottom, and a thermal insulating material covers the outer surface of the vertical inner wall and the lower surface of the bottom. An outer vessel is affixed to the upper end of the substantially vertical inner wall, and the thermal insulating material is disposed between the outer surface of the inner wall and the outer vessel. | 09-04-2014 |
20140318319 | STARTING A SMELTING PROCESS - A method of starting a molten-bath based melting process includes establishing a sufficiently large and stable “hot zone” for ignition of oxygen and coal in a main chamber of a smelting vessel by independent means, i.e. independently of and before supplying cold oxygen and coal into the main chamber. | 10-30-2014 |
20150323255 | SYSTEM AND METHOD FOR MELTING LIGHT GAUGE SCRAP - An exemplary furnace system for melting stock metal includes a main hearth and a side well subsystem, which includes a melting well disposed downstream of the main hearth for receiving flow from the main hearth, an input flow inducer disposed upstream of the melting well and downstream of the main hearth, and an output flow inducer disposed downstream of the melting well and upstream of the main hearth. The input flow inducer drives molten metal into the melting well, thereby forming a differential metal head in the melting well. The output flow inducer evacuates molten metal from an output conduit, thereby reducing counter-pressure at an output port of the melting well communicating with the output conduit. This allows atmospheric pressure to add to the differential metal head in the melting well, resulting in an increase in productivity of the side well subsystem and of the furnace system as a whole. | 11-12-2015 |
20150337409 | METHOD OF TREATING RECYCLABLE RAW MATERIALS - A method of treating recyclable raw materials containing valuable metals is provided, the method including the steps of feeding recyclable raw materials (W) containing valuable metals into a rotary kiln furnace ( | 11-26-2015 |
20160091250 | QUARTZ POURING & CASTING SYSTEM FOR NON-WETTING AMORPHOUS ALLOYS - Described herein is a crucible with a rod fused thereon to optimize pouring of molten material, and method of using the same. The crucible has a body configured for receipt of an amorphous alloy material in a vertical direction, and the rod extends in a horizontal direction from the body. The body of the crucible and the rod are formed from silica or quartz. The rod may be fused to the body of the crucible and provided off a center axis so that pouring molten material is improved when the crucible is rotated. | 03-31-2016 |
20160116215 | A Solids Injection Lance - A method for injecting a solid feed material through a solids injection lance includes creating flow conditions in an injection passageway of the lance so that at least a part of the feed material flowing along the passageway forms a buffer zone between a wall of a tube that defines the passageway and feed material flowing along a central section of the passageway. | 04-28-2016 |
20160180994 | METHOD OF MANUFACTURING SOFT MAGNETIC MATERIAL | 06-23-2016 |
20160185597 | METAL CHLORIDES AND METALS OBTAINED FROM METAL OXIDE CONTAINING MATERIALS - Method and apparatus for preparing at least one metal chloride from metal oxide containing material comprising calcining the metal oxide containing material under temperature conditions sufficient to obtain a calcined product comprising at least one metal oxide; and selectively chlorinating the calcined product to form at least one metal chloride. | 06-30-2016 |
20180023894 | SYSTEM AND METHOD FOR MELTING LIGHT GAUGE METAL STOCK | 01-25-2018 |