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| Number | Title | Issue Date |
| 7841282 | Apparatus, system, and method for operating and controlling combustor for ground or particulate biomass An apparatus, method, and system for combusting bridging fuel which includes biomass material. The apparatus includes an enclosure having a relatively thin wall defining a firebox. A temperature sensor is positioned on the exterior of the wall of the firebox. A cont... | 11/30/2010 |
| 7363866 | Control system for a waste processing apparatus A control system for a waste processing apparatus controls entry of a predetermined quantity of waste into the processing chamber via air lock whenever the level of waste in the chamber has fallen sufficiently to accommodate the new waste, and this is detected by a ... | 04/29/2008 |
| 7343866 | Waste-throughput limiting control Waste-throughput limiting control device (MBR) comprising at least one averaging unit (ME), a waste-throughput limiting controller (MBr) and a minimum unit (MIN). Starting from a waste weight (MG) applied to a charging system of the waste incineration plant and a pr... | 03/18/2008 |
| 7121296 | Variable orifice valve for air stream containing particulate coal A variable orifice valve for balancing the flow of particulate coal in an air stream relative to other parallel conduits. The valve comprises a section of conduit which changes in area along its flow axis and a variable position valve element mounted within the cond... | 10/17/2006 |
| 6994035 | Feed chute apparatus for gravity feeding tires and other materials into a rotating kiln A feed chute apparatus for injecting fuel into a rotating cement kiln by gravity. The apparatus, which is positioned adjacent to a cement kiln and supported at an angle of inclination sufficient to allow tires or other combustible materials to be gravity fed into th... | 02/07/2006 |
| 6923203 | Variable orifice valve for airstream containing particulate coal A variable orifice valve for balancing the flow of particulate coal in an airstream relative to other parallel conduits. The valve comprises a section of conduit which changes in area along its flow axis and a variable position valve element mounted within the condu... | 08/02/2005 |
| 6807913 | System and method for decongesting a waste converting apparatus A plurality of fluxing agent inlets are provided at the lower part of a waste processing chamber to enable the direct application of fluxing agents to deposited “unprocessed solids” and/or to liquid products of high viscosity therein. Means are provided for sens... | 10/26/2004 |
| 6752093 | Method for operating a refuse incineration plant A method for operating a refuse incineration plant and to a regulating system, in which, after the fire has been fanned, the generation of heat is made more uniform by regulating at least one of the following operating parameters: refuse metering; residence time on ... | 06/22/2004 |
| 6722294 | Method and apparatus for feeding a pulverized material An apparatus and method are provided for feeding a pulverized material which includes a first storage container for receiving and for discharging a flow of the pulverized material. The apparatus includes a separation chamber attached to the first storage container, ... | 04/20/2004 |
| 6619216 | Incinerator with a dryer and a control unit for controlling temperature in the dryer An incinerator includes a furnace, a heat-insulating shield, an air conduit, an air blower, and a dryer. The heat-insulating shield has a top wall, a vertically extending peripheral wall that extends downwardly from the top wall and that surrounds and tha... | 09/16/2003 |
| 6619215 | Incinerator with a heat-insulating shield An incinerator includes a furnace, a heat-insulating shield, an air conduit, an air blower, and a dryer. The heat-insulating shield has a top wall, a vertically extending peripheral wall that extends downwardly from the top wall and that surrounds and tha... | 09/16/2003 |
| 6615750 | Sorbent conditioning and direct feed apparatus for a steam generator and a method for retrofitting a steam generator with same A sorbent conditioning and direct feed apparatus is provided for direct feeding of a conditioned solid sorbent to a combustor 12. The sorbent conditioning and direct feed apparatus includes raw solid sorbent storages means 102, particle size reducing mean... | 09/09/2003 |
| 6499412 | Method of firebox temperature control for achieving carbon monoxide emission compliance in industrial furnaces with minimal energy consumption The present invention provides a novel method of controlling the incineration temperature of industrial waste incineration processes such that the incineration emissions products comply with governmental regulations and operating and capital costs are min... | 12/31/2002 |
| 6481361 | Coal balancing damper A damper assembly for adjusting a full flow of the air-entrained coal traversing at least one annular conduit along a flow path, wherein the one conduit has a peripheral wall defining the entire cross-sectional area of the conduit, the damper assembly inc... | 11/19/2002 |
| 6382112 | Chute of a feed system for a refuse incineration plant having a cutting apparatus The chute is provided with a cutting apparatus which has a mating holder, a clamping slide and a cutting slide. To close the chute, the mating holder is moved inward approximately into the center of the chute and is locked. Then, the clamping slide is mov... | 05/07/2002 |
| 6360680 | Method of operating a furnace based upon electrostatic precipitator operation A method is provided for controlling the operation of a furnace. A furnace generally includes a boiler having a combustion zone, a plurality of burners burning a mixture of fuel and air in the combustion zone producing a gaseous by-product, and an electro... | 03/26/2002 |
| 6276286 | Compression device for feeding a waste material to a reactor A compression device for feeding a waste material to a reactor includes a waste material feed assembly having a hopper, a supply tube and a compression tube. Each of the supply and compression tubes includes feed-inlet and feed-outlet ends. A feed-dischar... | 08/21/2001 |
| 6273009 | Method for automatized combustion and combustion apparatus A method for automatized combustion of solid fuel in a combustion apparatus which comprises a burner with a device, which is rotatable about the center axis of the burner for stirring the fuel in the burner which is connected to a boiler and has a feeding... | 08/14/2001 |
| 6234091 | Feed chute apparatus for gravity feeding tires and other materials in to a rotating kiln A feed chute apparatus for injecting fuel into a rotating cement kiln by gravity. The apparatus, which is positioned adjacent to a cement kiln and supported at an angle of inclination sufficient to allow tires or other combustible materials to be gravity ... | 05/22/2001 |
| 6182584 | Integrated control and destructive distillation of carbonaceous waste A system and process to provide integrated control for the pyrolytic composition of organic (biomass) waste products especially for municipal solid waste systems. The system includes integrated control that monitors biomass waste stream throughout the ent... | 02/06/2001 |
| 6101959 | Method of and apparatus for efficiently combusting oil shale Oil shale having a relatively wide range of heating value is combusted by supplying the oil shale and a further fuel having a heating value greater than the heating value of the oil shale to a combustor. The oil shale is fed to the combustor at a substant... | 08/15/2000 |
| 5983639 | Method and system for starting up a continuous flow steam generator A continuous-flow steam generator includes a combustion chamber having a number of burners for a fossil fuel and a gas-tight containment wall formed from at least approximately vertically disposed evaporator tubes through which a flow passes upwards from ... | 11/16/1999 |
| 5920168 | Apparatus and method of regulating the temperature of solid fuel stoves A speed controller for motors of a solid fuel stove or stoker includes a bidrectional switch, such as a thyristor, to be interposed along an ac power line. The controller operates in a speed control mode for sending reduced power to a stove when a space t... | 07/06/1999 |
| 5784974 | System for improving fuel feed control of volumetric coal feeders A feeder system for measuring and controlling the massed feed rate of particulate fuel material, such as coal particles, made up of a group of volumetric feeders and a gravimetric feeder coupled to the group of volumetric feeders. The system controls the ... | 07/28/1998 |
| 5680824 | Process for burning solids with a sliding firebar system A process for burning solids on a sliding fire grate system where each of the combustion control criteria are measured and controlled individually for each grate plate comprising the grate system.... | 10/28/1997 |
| 5626085 | Control of staged combustion, low NOx firing systems with single or multiple levels of overfire air A control system for a fuel-fired furnace and more specifically the control of the stoichiometric ratio of the combustion process occurring within the furnace of a steam generating power plant. The control system, when so employed, is capable of regulatin... | 05/06/1997 |
| 5606924 | Process for regulating individual factors or all factors influencing combustion on a furnace grate To carry out a process for regulating individual factors or all factors influencing combustion on a furnace grate, a radar device is provided primarily. This radar device serves to detect the three-dimensional distribution of the fuel mass on at least one... | 03/04/1997 |
| 5603268 | Coal pulverizer associated with a rotary classifier and method for operating the same A control system of coal pulverizer associated with a rotary classifier, applicable to a pulverized coal burning boiler or the like, includes a function generating section, a computing section, and a rotational speed controlling section. The function gene... | 02/18/1997 |
| 5575085 | Apparatus and method for controlling the rotary airlocks in a coal processing system by reversing the motor current rotating the air lock An improvement to a coal processing system where hard materials found in the coal may cause jamming of either inflow or outflow rotary airlocks, each driven by a reversible motor. The instantaneous current used by the motor is continually monitored and co... | 11/19/1996 |
| 5462046 | Fireplace log dispensing apparatus A new and improved fireplace log dispensing apparatus includes a gravity feed chute assembly for receiving a plurality of logs to be burned in a fireplace, and a log dispenser assembly, connected at a bottom of the gravity feed chute assembly, for selecti... | 10/31/1995 |
| 5398623 | Method for incinerating refuse, and a control process therefor In refuse incineration, it has been determined that the legal requirements governing refuse incineration can be more easily met by maintaining a uniform depth of charge on the grate. The charging of the refuse and the transport speed of the charge produce... | 03/21/1995 |
| 5357877 | Feed for particulate burners A particulate delivery system is disclosed for particulate burners in which a hopper is provided for supplying particulate fuel to a hopper discharge opening. A rotating turntable is provided below the hopper discharge opening and includes at least one an... | 10/25/1994 |
| 5279234 | Controlled clean-emission biomass gasification heating system/method A biomass fuel gasification chamber, blast tube, and heat exchange chamber are interconnected horizontally and subjected to negative drawing pressure by a large variable speed chimney fan. An auger with an air lock feeds biomass fuel automatically into th... | 01/18/1994 |
| 5261335 | Firebox furnace with automatic feeding system An automatic firebox provided with a fuel hopper that delivers fuel through a pivoting funnel to a grate burning area. The grate burning area is provided with at least one pivoting fuel grate which operates automatically in sequence with the fuel feed and... | 11/16/1993 |
| 5095825 | Method and apparatus for feeding fuel into a pressurized space A method and apparatus for feeding solid material into a pressurized combustion or gasification plant in stages. The feed apparatus (10) is provided with an inlet (18), sluice chamber (30), and outlet (20). In a loading stage, solid material is conveyed t... | 03/17/1992 |
| 5046643 | Vibratory type storage bin arrangement with internal baffling and low profile bottom A storage bin arrangement especially suited for receiving, storing and discharging, in accordance with a combination of induced vertical flow and impelled retrieving concepts, bulk solid materials, in one embodiment of which essentially the entire bin its... | 09/10/1991 |
| 5000100 | Pellet fuel combustion assembly A pellet fuel combustion assembly including a fuel container, an auger for transferring pellet fuel to a burnpot, a top-opening burnpot for receiving the fuel, and an igniter. The burnpot is preferably constructed of insulative ceramic and includes a base... | 03/19/1991 |
| 4953474 | Fuel metering bin level control A fuel metering bin level control for a wood chip bin feeding a boiler wherein the wood chips have a high propensity to bridge the bin when packed, the level control includes a short chute through which the chips are fed into the upper portion of the bin ... | 09/04/1990 |
| 4905613 | Fuel feeder An air swept fuel feeder for feeding particulate fuel into a furnace and having a closely coupled hopper, fuel metering device and air swept delivery plate. An alternate embodiment is disclosed in which a second fuel is delivered to the furnace by an air ... | 03/06/1990 |
| 4899669 | Vibrating apparatus and method improvements for providing continuous flow of refuse derived fuel to fire power plants The apparatus and method are improvements over the refuse derived fuel (RDF) handling system disclosed in applicant's U.S. Pat. No. 4,774,893, in which the activated bins are equipped with centerless baffles made up of a plurality of stub type internal ba... | 02/13/1990 |
