| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 110185000 | WITH CONTROL MEANS RESPONSIVE TO A SENSED CONDITION | 53 |
| 20080295749 | METHOD AND DEVICE FOR BURNING-OFF PRECIOUS METAL-CONTAINING MATERIALS - A recycling furnace and method are provided for processing potentially explosive precious metal-containing materials having organic fractions that combust with great energy, the furnace including a switching facility for alternating operation of a burning-off chamber of the furnace between: (A) pyrolysis or carbonization under protective furnace gas in an atmosphere comprising maximally 6 wt-% oxygen, and (B) oxidative combustion of the organic fractions including carbon. The furnace has indirect heating and a control that determines the end of the pyrolysis or carbonization by a sensor and controls the switching facility to supply air or oxygen to the interior of the furnace. Steps (A) and (B) are carried out sequentially in the furnace chamber, wherein neither the batch is changed, nor the furnace is opened. After the end of step (A) is determined, step (B) proceeds right after the pyrolysis or carbonization by supplying air or oxygen. A dosing of liquid or liquefied substances during the pyrolysis is controlled by at least one parameter of post-combustion. Thermal post-combustion is used for two furnace chambers, one operated for pyrolysis or carbonization and the other operated as a combustion chamber. | 12-04-2008 |
| 20090173259 | OUTDOOR FURNACE MONITOR - A monitoring system that provides a display, either local or remote, of operation information regarding an outdoor furnace or boiler system. The monitor polls various sensors, including information relative to water temperature, draft fan operation, pump operation, various switch status, safety status, and emissions status. The various sensors may be operationally connected wirelessly with the monitor. The monitor displays operational status information, including indications requiring operator attention. Thus, operator maintenance is more effectively applied as needed rather than also on an information gathering basis. | 07-09-2009 |
| 20080271653 | Controlling curtain opening system in continuous furnaces - This invention is directed to a controlling curtain opening system in a continuous furnace which comprises a laser photo cell eye system situated in front of the curtain box. The laser photo cell eye system comprises a plurality of laser beams to monitor and adjust to the height of a moving products passing therethrough. | 11-06-2008 |
| 20110056416 | SYSTEM FOR COMBUSTION OPTIMIZATION USING QUANTUM CASCADE LASERS - A system with a boiler and a turbine, and an associated control method. The method includes sensing a plurality of operating conditions at a first common boiler location. At least one of the plurality of operating conditions sensed at the first common location is indicative of a combustion anomaly occurring during operation. The combustion anomaly indicated by the plurality of operating conditions at the first common location is traced back to an offending burner that is at least partially responsible for the combustion anomaly based on a model that takes into consideration at least two of the plurality of operating conditions sensed at the first common location. At least one of a process input and a boiler configuration is adjusted to establish a desired value of the operating conditions at the first common location. | 03-10-2011 |
| 20110239914 | COMBUSTION CONTROLLING DEVICE - Two temperature controllers, a first temperature controller and a second temperature controller are provided, and combustion in the furnace is controlled based on a first signal and a second signal outputted therefrom. Doing so enables safe control of the furnace even when a failure occurs in one of the temperature controllers. | 10-06-2011 |
| 20100058960 | Biomass Fuel Furnace System and Related Methods - A furnace system for heating a poultry brooder house includes a firebox for burning biomass fuel, and a grate within the firebox for burning the biomass fuel thereon. A distributor assembly may positioned within the firebox and is located directly above the grate. The distributor assembly includes a distributor plate having a plurality of apertures therethrough, and a distributor arm above the distributor plate that is movable relative to the distributor plate to cause biomass fuel supported on the plate to pass through the apertures and fall onto the grate. The furnace system may include a hopper assembly that defines a well for receiving a volume of biomass fuel for delivery to the grate or to the distributor plate. | 03-11-2010 |
| 20110146543 | Particulate Fuel Combustion Method and Furnace - Method of operating a combustion furnace comprising at least one pair of particulate fuel burners positioned opposite one another across a combustion zone, whereby each burner of a pair operates in turn to generate a flame directed at the other inactive burner of the pair so as to locally overheat the burner block of the inactive burner. | 06-23-2011 |
| 20090308292 | COAL BURNING BOILER APPARATUS - In a coal burning boiler apparatus, temperature of the pulverized coal to be fed to the boiler can be set depending on the property of the combustion coal, so that stable ignition and combustion can be made regardless of the property of the combustion coal fed. | 12-17-2009 |
| 20100024693 | FOSSIL-FUEL-FIRED SYSTEM HAVING REDUCED EMISSIONS AND METHOD OF OPERATING THE SAME - A fossil-fuel-fired system, which includes an emissions-control-agent dispenser, a furnace, an emissions monitor and, optionally, a controller, is disclosed. The emissions-control-agent dispenser provides a prescribed amount of organic-emissions-control agent, such as, for example, an opacity-control agent to the fossil-fuel-fired system. The furnace includes an exhaust communicating with the atmosphere. The emissions monitor is capable of measuring at least one property of the flue-gas communicated through the exhaust to the atmosphere. For example, when an organic-emissions-control agent is an opacity-control agent, the emissions monitor has the capability of at least measuring opacity. When included, the controller communicates with at least the emissions-control-agent dispenser and the emissions monitor. | 02-04-2010 |
| 20090183659 | PELLET STOVE - According to embodiments of the present invention, a pellet stove includes a firepot assembly with a bottom plate slideable along rails to move between a closed position during combustion in the firepot and an open position during ash removal. According to other embodiments, a firebox or combustion enclosure includes a plurality of airfoils formed on the inner and outer surfaces of the enclosure to facilitate heat exchange between exhaust gases flowing across the inner surface of the enclosure and air blown across the outer surface of the enclosure. According to some embodiments, the airfoils and enclosure are of integral unibody construction. According to yet other embodiments, a user sets parameters via a wall control unit, and a stove control unit receives the parameters and automatically controls fuel feed rate, ignition, convection blower, combustion blower, and/or firepot cleaning based on the one or more parameters. | 07-23-2009 |
| 20100288171 | GASIFICATION COMBUSTION SYSTEM - A two stage refuse gasification combustion system for processing refuse is disclosed. The system may contain features such as an advancer, a first and second gasifier, a gas regulator, and a post combustor. Additionally, methods for regulating gas and advancing refuse through a two stage refuse gasification combustion system are disclosed. | 11-18-2010 |
| 20100307387 | COMBUSTION FURNACE CONTROL APPARATUS - A combustion furnace control apparatus for which an operation control system that ensures the combustion safety of the combustion furnace can be constructed easily. Interlocks pertaining to the safe operation of a combustion furnace are classified as a 1 | 12-09-2010 |
| 20120090515 | BLAST FURNACE TOP GAS RECYCLING PROCESS AND CORRESPONDING RECYCLING EQUIPMENT - The invention mainly relates to a process for recycling blast furnace gas in which at least one portion of the gases resulting from the blast furnace undergo a CO | 04-19-2012 |
| 110186000 | Feed control | 40 |
| 20130025512 | FUEL OXYGENATION APPARATUS AND METHOD - In one aspect, a fuel oxygenation apparatus includes a fuel oil supply fluidically coupled to the inlet of a positive displacement pump for delivery of the fuel oil to a fuel oil burner. An oxygen supply is fluidically coupled to the inlet of the positive displacement pump. During the suction cycle, a momentary vacuum is created at the pump inlet side drawing oxygen gas into the fuel line where it admixes with the fuel oil supply. Oxygenating the fuel prior to combustion increases efficiency of the burner and reduces undesirable emissions. | 01-31-2013 |
| 20100037805 | Method of and Apparatus for Controlling the Temperature of a Fluidized Bed Reactor - A method of and an apparatus for controlling the temperature of a fluidized bed reactor, comprising a separator for separating first solid particles from the fluidized bed reactor, a return duct for returning a first portion of the first solid particles to the fluidized bed reactor, a discharge duct for the discharge of a second portion of the first solid particles and an inlet duct for transferring second solid particles from a second fluidized bed reactor to the fluidized bed reactor, in which the return duct and the inlet duct share a common end portion for transferring a mixture of solid particles, formed of the first portion of the first solid particles and the second solid particles, to the fluidized bed reactor. The apparatus also preferably includes a fluidized mixing device for mixing the first portion of the solid particles and the second solid particles with each other. | 02-18-2010 |
| 20090205544 | COAL ROPE LOCATOR - An apparatus ( | 08-20-2009 |
| 20110271880 | Redundant Modulating Furnace Gas Valve Closure System and Method - In a modulating furnace with an integrated furnace control (IFC) that may enter a lockout mode for any one or more of a variety of safety reasons, the IFC may be programmed to send a “home” signal to the regulator stepper motor to close the regulator seat thereby reducing the outlet pressure of the gas valve to zero or near zero. Even though the ITC may have several different safety lockout modes, an additional home command from the IFC allows the modulating gas valve to position itself to a reference point such that the outlet pressure would approach zero pressure, even when the gas valve is energized at the wrong time due to a short circuit or miswire, or mechanically stuck open. By using the home command, an additional safety redundancy is provided whenever the furnace enters a lockout mode. | 11-10-2011 |
| 20090277363 | Oxyfuel Boiler System and Method of Retrofit of Air Fired Boiler to Oxyfuel Boiler - An oxyfuel boiler system, comprising: an oxygen generator to separate oxygen from air; a coal supply unit to dry and pulverize coal; a burner having a fuel feed path for feeding pulverized coal supplied from the coal supply unit and an oxidizer feed path for feeding oxidizer; a boiler provided with the burner; an exhaust gas discharge line to discharge exhaust gas generated in the boiler into environment; an exhaust gas treatment apparatus provided in the exhaust gas discharge line, a CO | 11-12-2009 |
| 20120291679 | METHOD FOR CORRECTING THE COMBUSTION SETTINGS OF A SET OF COMBUSTION CHAMBERS AND APPARATUS IMPLEMENTING THE METHOD - The invention relates to a method for real-time, continuous adjustment of a set of thermal combustion chambers ( | 11-22-2012 |
| 20090199747 | BIOMASS BURNER SYSTEM - A biomass burner system includes a burner assembly, a fuel storage assembly coupled to the burner assembly, and a heat exchanger configured to receive the heat from the burner assembly. The biomass burner system includes a controller which is programmable to monitor various operating conditions of the biomass burner and control the operation of the biomass burner to confirm safe and efficient operation. The controller is operable to monitor a temperature associated with the combustion chamber, a temperature associated with the heat exchanger, and a temperature associated with the air exiting the system. The biomass burner system is operable to vary the flow of air into the combustion chamber, the flow of fuel into the combustion chamber, the operation of an igniter system to maintain the efficient operation of the biomass burner system. | 08-13-2009 |
| 20080264310 | Combustion Method and System - A method of combustion for pulverized hydro-carbonaceous fuel includes the steps of injecting an oxidant/fuel stream into a burner, causing a low-pressure zone; directing a flow of a high-temperature combustion gas from a combustion chamber into the low-pressure zone in the burner; mixing the high-temperature combustion gas with the injected oxidant/fuel stream to heat the injected oxidant/fuel stream, and injecting the heated oxidant/fuel stream from the burner to the combustion chamber, wherein the oxidant/fuel stream is rapidly devolatilized and combusted in a flame that has a high temperature; sensing a combustion parameter; and based on the sensed combustion parameter, controlling combustion to achieve at least one of a desired NOx reduction and a desired distance from the burner to a flame front. | 10-30-2008 |
| 20090050034 | SYSTEM FOR AUTOMATIC FEEDING OF FURNACES WITH LIQUID FUEL - A device for automatic feeding liquid fuel ( | 02-26-2009 |
| 20100212555 | Oxyfuel Combustion Boiler Plant and Operating Method for the Same - An oxyfuel combustion boiler plant having a first boiler and a second boiler for injecting gas including oxygen in higher concentration than that in the air, gas including carbon dioxide in higher concentration than that in the air, and fuel from a burner and generating steam by combustion gas in a furnace, respectively, comprising:
| 08-26-2010 |
| 20110100271 | Device and Method for Controlling the Fuel-Air Ratio During the Combustion of Ground Coal in the Firing System of a Coal Power Plant - A device and method for controlling fuel-air ratio during combustion of ground in a coal power plant, including pneumatic delivery of ground coal to the burners and feeding combustion air to burners while controlling the combustion air and the amount of carrier air. A high reliability of control combined with low maintenance of the air mass measurement devices is achieved. This is achieved by a measurement device for measuring the amount of combustion air which, according to correlation measurement, evaluates the triboelectric effects on sensors. Between 0.1 mg and 10 mg of fine-grained particles of a diameter between 20 μm and 200 μm are introduced per m | 05-05-2011 |
| 20110061575 | COMBUSTION CONTROL SYSTEM AND METHOD USING SPATIAL FEEDBACK AND ACOUSTIC FORCINGS OF JETS - A system is provided that includes a combustion system having a plurality of jets; a spatial monitoring system with a plurality of sensors disposed in a spatial grid within or downstream from the combustion system; and a control system configured to adjust a forcing frequency of at least one fluid jet in the plurality of fluid jets in response to sensor feedback from the spatial monitoring system. | 03-17-2011 |
| 20110174201 | FURNACE, A METHOD FOR OPERATING A FURNACE AND A FURNACE CONTROLLER CONFIGURED FOR THE SAME - A controller for a gas furnace, a computer-usable medium for implementing a method and a gas furnace are disclosed herein. In one embodiment, the controller includes: (1) an interface configured to receive a heating call and (2) a processor configured to enable an inducer of the gas furnace at a low speed based on the heating call and ignite the gas furnace at a high fire operation when determining a low fire pressure switch of the gas furnace is open. | 07-21-2011 |
| 20100319592 | System and Method for Full Combustion Optimization For Pulverized Coal-Fired Steam Boilers - A method and system for controlling a pulverized coal fired boiler wherein the flow of a coal/air mixture flowing to each burner is monitored and transmitted to a distributed control system. The distributed control system also monitors and controls the position of dampers in a splitter that feeds the coal/air mixture to the burners. The dampers are controlled in a closed loop fashion to achieve a optimal boiler performance. | 12-23-2010 |
| 20100319593 | METHODS AND SYSTEMS FOR CLEANING HEAT EXCHANGE SURFACES OF A HEAT EXCHANGE SYSTEM - Means for obtaining accurate knowledge of location and amount of fouling inside a heat exchange system, such as a boiler of a power plant, are provided. According to the invention this knowledge can be used to optimize cleaning of a heat exchange system. The system of the invention comprises: Means for measuring particles in the exhaust gas stream of the heat exchange system. These particles are at least partly released when cleaning a certain part of the heat exchange surface of the heat exchange system. Means for creating information of the fouling in an electronic memory by linking together coordinates of the part of the heat exchange surface being cleaned and the measurement data created during the cleaning of said part. | 12-23-2010 |
| 20110113993 | Method of Operating a Furnace - A method of operating a furnace having process tubes and multiple burners where it is desired to conform the temperatures of the process tubes to selected target temperature criterion. The present method provides a systematic and quantitative approach to determine how to adjust burner flow rates to result in desired tube wall temperatures, for example to minimize the temperature deviation between tube wall temperatures at a predetermined elevation in the furnace. | 05-19-2011 |
| 20120247374 | Independent vector control system for gasification furnace - A control sequencing system for a biomass fuel gasification furnace utilizes control vector separation and isolation. The three vector system provides clean operation and fuel efficiency. A wide variety of solid fuel may be used of various fuel values, moisture content, and fuel particle size. The independent control vectors are separated into fan speed, fuel pile level maintenance, and oxygen content maintenance. | 10-04-2012 |
| 20100050912 | METHOD FOR CONTROLLING THE OPERATION OF A ROTARY FURNACE BURNER - In order, for operating the lance burner of a rotary tubular furnace for the production of cement clinker from calcined raw cement meal, to provide an automated regulation method which is optimized in terms of the configuration of the burner flame for all types and quantities of fuels used, according to the invention a regulation method is proposed in which the characteristics of the burner flame are used as measurement variables, and the measurement variables are delivered to a controller which can vary at least three different manipulated variables of the burner, such as the spatial outflow angle and the swirl momentum of the swirled primary-airstream and/or the angle of divergence of the primary-air/jet-air jets emerging from individual nozzles and/or the velocity of emergence and/or swirl component of a stream of fragmentary alternative fuels or secondary fuels which is blown through the burner. | 03-04-2010 |
| 20100282139 | METHODS FOR INCINERATING SLUDGE IN A COMBUSTOR - A method controls mass and heat loading of sludge feed into a fluidized bed combustor (FBC) controlled via regulation of a polymer dosage or a sludge feed rate including: continuously monitoring at least one performance characteristic of the FBC; producing an input signal characteristic; analyzing the input signal and determining a first rate of change of the characteristic; generating an output signal based on the first rate of change to control addition of polymer to the FBC; generating a second output signal to control addition of sludge feed to the FBC; and determining a transition point between the addition of polymer and addition of sludge, which transition point is an upper limit of a first rate change to maintain flow so that the value of the characteristic is maintained proximate at the upper limit. | 11-11-2010 |
| 20100326337 | CONTROL DEVICE OF COAL PULVERIZER - There is provided a control device of a coal pulverizer which enables estimation of a coal output with a precision suited for a purpose. In a control device of a coal pulverizer which pulverizes coal by the coal pulverizer and estimates coal output by which the pulverized coal is output to a boiler, the control device includes a main operation circuit which calculates a command signal associated with a coal feed rate on the basis of detection data from a boiler or a power generator connected to the boiler, and an additional control unit which calculates the deviation between a standard coal output pattern preset in the coal pulverizer, and a current coal output pattern, and adds a calculation result by the additional control unit to the main operation circuit as a correction signal. | 12-30-2010 |
| 20120260834 | BOILER CONTROL SYSTEM - A boiler control system for efficiently controlling the operation of a packaged boiler is provided. The system includes a combustion air control system, a fuel control system, a flue gas sensing system, and a boiler controller. The boiler controller is in operative communication with the combustion air control system, fuel control system, and the flue gas sensing system. Based upon a system demand, the boiler controller controls coarse-level operation of the combustion air control system and the fuel control system. The flue gas sensing system may include an oxygen sensor and a flue gas differential sensor to sense a change in a characteristic of the flue gas. When the flue gas differential sensor senses a change in the flue gas characteristic that meets a flue gas differential setpoint, the boiler controller controls the fine-level operation of the boiler. | 10-18-2012 |
| 110187000 | Supplemental burner | 1 |
| 20120240831 | System and Process for the Combustion of Solid Fuels - A system that provides for the efficient combustion of solid fuels is disclosed. The system includes a combustion chamber, a solid fuel dosing system for determining an amount of solid fuel to supply to the combustion chamber, a solid fuel conveying air blower for conveying solid fuel from the solid fuel dosing system to the combustion chamber, and an air combustion fan for supplying air to the combustion chamber via air conveying piping. The system may optionally further include a measurement and auxiliary fuel control system for determining an amount of auxiliary fuel to supply to the combustion chamber. Combustion of the auxiliary fuel raises a temperature of the combustion chamber to a level suitable for combustion of the solid fuel. The combustion chamber may be mounted on a displacement trolley. | 09-27-2012 |
| 110188000 | Of noncombustible fluid; e.g., air, etc. | 18 |
| 20100077941 | OXY/FUEL COMBUSTION SYSTEM WITH MINIMIZED FLUE GAS RECIRCULATION - This disclosure includes a system and method of controlling fuel combustion including providing a system, measuring a property, and providing oxygen and fuel in response to the property. The system includes a furnace arranged and disposed to receive fuel and oxygen and combust the fuel and the oxygen to form a combustion fluid, a plurality of heat exchanger sections arranged and disposed to receive heat from the combustion fluid, and a plurality of oxygen injectors arranged and disposed to controllably provide oxygen to the combustion fluid to adjust composition of the combustion fluid and temperature of the combustion fluid. The property measured is selected from the group consisting of temperature of the combustion fluid, composition of the combustion fluid, temperature of the heat exchanger sections, and combinations thereof and is performed in close proximity to the oxygen injectors. | 04-01-2010 |
| 20100031858 | Pulverized Coal Boiler - The present invention provides a highly reliable pulverized coal boiler that ensures suppression of a rise in flame temperature caused during the combustion of an unburnt gas in a furnace when combustion air is supplied from after-air ports so as to reduce the concentration of thermal NOx generated during the combustion. | 02-11-2010 |
| 20090183660 | Method for controlling the combustion air supply in a steam generator that is fueled with fossil fuels - A method for controlling the combustion air supply in a steam generator that is fueled with fossil fuels, the combustion air being supplied gradually in different combustion zones. The combustion air supply is controlled, depending on the NOx and/or CO content in the flue gas, in such a manner that first the air supply is varied between the different combustion zones with approximately constant air volumes. An external control of the overall air volume overrides this type of control. | 07-23-2009 |
| 20120227643 | RECYCLING FURNACE FOR BURNING OFF PRECIOUS METAL-CONTAINING MATERIALS - A recycling furnace is provided for processing potentially explosive precious metal-containing materials having organic fractions that combust with great energy. The furnace includes a switching facility for alternating operation of two burning-off chambers of the furnace between: (A) pyrolysis or carbonization under protective furnace gas in an atmosphere comprising maximally 6 wt-% oxygen, and (B) oxidative combustion of the organic fractions including carbon. The furnace has indirect heating and a control that determines the end of the pyrolysis or carbonization by a sensor and controls the switching facility to supply air or oxygen to the interior of the furnace. A continuous conveyor for dosing of liquids or liquefied substances during the pyrolysis is controlled by at least one parameter of post-combustion, preferably a temperature sensor. A single waste gas treatment facility is used for thermal post-combustion for the two furnace chambers. | 09-13-2012 |
| 20110139045 | PREMIX GAS BURNER - An air/gas premix burner, comprising:
| 06-16-2011 |
| 20090260553 | METHOD AND DEVICE FOR CONTROLLING THE SUPPLY OF COMBUSTION AIR TO A COMBUSTION CHAMBER - A device is supplying combustion air to a combustion chamber, in which solid fuel is being burned, and the air supply is controlled in accordance with at predetermined program as a function of combustion time. The predetermined program is preferably based on empirical data. The combustion air may be supplied by means of a valve member, which is displaceable between first and second positions, and the valve member may expose varying areas of air supply opening(s) when moved between said positions. Biasing means, such as spring means, may bias the valve member towards said second position and slowing-down means may delay the movement of the valve member. | 10-22-2009 |
| 20100224108 | PULVERIZED COAL-FIRED BOILER AND PULVERIZED COAL BURNING METHOD - A pulverized coal-fired boiler efficiently supplies air to a central part of a furnace and the neighborhood of a furnace wall, thereby promoting mixture with combustion gas, and reducing both NOx and CO. | 09-09-2010 |
| 20110126742 | METHOD AND APPARATUS OF CONTROLLING FLOW RATE OF PRIMARY RECIRCULATING EXHAUST GAS IN OXYFUEL COMBUSTION BOILER - Provided are a method and an apparatus of controlling a flow rate of a primary recirculating exhaust gas in an oxyfuel combustion boiler, capable of realizing a stable combustion by a burner in oxyfuel combustion. Weight ratio of flow rate of primary recirculating exhaust gas [ton/h] to amount of pulverized coal from a mill [ton/h] is defined as G/C, and the flow rate of primary recirculating exhaust gas is controlled so that the G/C falls within a given range. | 06-02-2011 |
| 20110185952 | BURNER STRUCTURE - To provide a burner structure in which a burner is capable of highly precisely controlling the flow rate of the air for combustion within itself. An air flow passage ( | 08-04-2011 |
| 20120079969 | COMBUSTION CONTROLLER - The combustion controller controls the fuel and air that are supplied to the combustion furnace for burning substances, and addresses the aforementioned object by including: fuel supply unit for supplying fuel and air into the combustion furnace; air supply unit for supplying air into the combustion furnace, the air supply unit being disposed downstream of the fuel supply unit in the direction of flow of combustion air; concentration measuring unit for measuring the concentration of hydrogen sulfide of the combustion air by passing a measurement beam of light through the combustion air at a measurement position downstream of the fuel supply unit in the direction of flow of the combustion air; and control unit for controlling the amount of air supplied from the fuel supply unit based on a measurement result provided by the concentration measuring unit. | 04-05-2012 |
| 20100229768 | METHOD FOR REGULATING THE OUTPUT OF A SOLID-FUEL FURNACE AND FURNACE WITH A CORRESPONDING OUTPUT REGULATOR - A method is provided for regulating the output of a solid fuel furnace having primary and secondary combustion chambers arranged adjacent to each other, in particular one above the other or side by side, and are separated from each other by a partition in the floor or wall but are nevertheless connected to each other by at least one partition opening. The secondary combustion chamber is connected through a secondary exhaust-gas channel to a flue-gas passage, and the primary combustion chamber is connected to the flue-gas passage by a transition opening, wherein the transition opening can be closed at least partially by a flue-gas flap. Both a primary air supply and a secondary air supply are provided. A first temperature sensor is arranged in the secondary exhaust-gas channel and controls the primary air volume flow as a function of the temperature in the secondary exhaust-gas channel, while the secondary air volume flow is held substantially constant. | 09-16-2010 |
| 20120325129 | EQUALIZED INJECTION OF PULVERIZED FUELS WITH FIXED RESTRICTION POINT IN THE PULVERIZED FUEL CONVEYOR LINE - An apparatus for constant feeding of pulverized fuels at ambient or elevated pressure having a fixed restrictor device in the pulverized fuel conveyor line connecting a metering vessel to a pulverized fuel consumer is provided. The restrictor device effects a compensation and also attenuation of pressure fluctuations such as occur in the pulverized fuel conveyor line, in particular during operations to replenish the metering vessel. Special embodiments relate to a further equalization by means of injections of auxiliary gas into the pulverized fuel conveyor line. | 12-27-2012 |
| 20120325128 | Homogenized Feeding of Pulverized fuel with a controllable restriction in the pulverized fuel feed line - An apparatus for constantly supplying pulverized fuel at ambient or increased pressure includes a restrictable pulverized fuel control valve in the pulverized fuel feed line connecting the swirl layer of a dispensing vessel with a pulverized fuel collector is provided. This pulverized fuel control valve effects a compensation for and also attenuation of the pressure fluctuations, as occur in the pulverized fuel feed line, particularly during refill processes of the dispensing vessel. Special embodiments relate to a further homogenization by a fixed throttle facility and also auxiliary gas feeds into the pulverized fuel feed line. | 12-27-2012 |
| 110189000 | Pressure sensor | 1 |
| 20090308293 | BOILER AND METHOD FOR CONTROLLING AIR AND FUEL RATIO USING AIR PRESSURE SENSOR - Disclosed is an air-fuel ratio control boiler using a air pressure sensor and method for controlling the air-fuel ratio thereof. The boiler is comprised of a fan, the air pressure sensor, a air pressure sensor voltage measurement unit, a air pressure sensor voltage compensation unit, and a controller, and previously compensates for noise factors caused by deviation (error) of a component property, a constituent, of the air pressure sensor so as to be matched to initial reference voltage prior to operating the fan, thereby maximizing the effectiveness of the air-fuel ratio. Further, the boiler makes it possible not only to exert an optimal fuel efficiency effect due to the maximization of combustion efficiency, but also to minimize discharge of harmful gases, thereby preventing environmental pollution in advance, and thus improving the reliability of products. | 12-17-2009 |
| 110190000 | Temperature sensor | 4 |
| 20100162930 | SOLID-FUEL BURNER, COMBUSTION DEVICE USING SOLID-FUEL BURNER, AND METHOD OF OPERATING THE COMBUSTION DEVICE - Provided is a solid fuel burner ( | 07-01-2010 |
| 20090272300 | METHOD AND APPARATUS FOR CONTROLLING COMBUSTION IN OXYGEN FIRED BOILER - Provided are a method and an apparatus for controlling combustion in an oxygen fired boiler which are easily applicable to an existing air fired boiler for easy and stable control of the combustion. | 11-05-2009 |
| 20100101462 | Oxyfuel Boiler and a Method of Controlling the Same - An oxyfuel boiler | 04-29-2010 |
| 20120079970 | Dry Distillation and Gasification Typed Incinerator - Provided is a dry distillation and gasification typed incinerator capable of saving time and fuels required for combustion aid. In a first phase when a waste material A stored in a dry distillation furnace | 04-05-2012 |
