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| Number | Title | Issue Date |
| 7316188 | Dedensification and delivery unit A dedensification and delivery unit for the conversion of an alternative fuel source into fuel, comprising: a dedensification area for separating a densified alternative fuel source into its component parts to form a dedensified alternative fuel source; a compressio... | 01/08/2008 |
| 7028625 | Systems and methods for treating and preventing blockages in solid fuel conditioning equipment Systems, methods and apparatus are provided for introducing one or more unblocking materials into solid fuel conditioning equipment at predetermined locations and intervals to prevent the occurrence of, or to treat the existence of at least one solid fuel blockage w... | 04/18/2006 |
| 7017500 | Monitoring of fuel on a grate fired boiler Method and apparatus for sensing the overall and/or distribution of fuel weight disposed on the top surface of the grate of a grate-fired device and adjusting the fuel infeed as a function of the flow rate of steam generated by the boiler. A plurality of weight sens... | 03/28/2006 |
| 6820564 | System and method for removing blockages in a waste converting apparatus One or more auxiliary plasma torches are provided to a waste processing plant at strategic locations within the chamber and directed towards the waste column. When a bridge forms within the chamber the auxiliary plasma torches may be operated such as to provide an a... | 11/23/2004 |
| 6802268 | Device for discharging dust from a dry dust collector of a blast furnace A device for discharging dust from a dry dust collector of a blast furnace includes a dust discharge vent located downstream of a dust discharge opening of the dry dust collector. A fully enclosed dust conveying system is located downstream of the dust discharge val... | 10/12/2004 |
| 6799525 | Automatic coal damper Apparatus for controlling primary air flow and pulverized coal flow to a plurality of burners in a coal-fired boiler includes a plurality of coal dampers arranged to supply a mixture of air and pulverized coal to respective burners in the coal-fired boiler, each dam... | 10/05/2004 |
| 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 |
| 6748883 | Control system for controlling the feeding and burning of a pulverized fuel in a glass melting furnace A control system for controlling the storing, feeding and burning of a pulverized fuel in a glass melting furnace, wherein a series of burners are arranged one in front of the other to carry out combustion and non-combustion cycles during a glass melting process. Pu... | 06/15/2004 |
| 6675727 | Method for feeding solid material into a reaction space, wherein solid material is consumed in the reaction A method for feeding solids (8) into a reaction space (2), which solids are prevented from leaving in the form of a solid substance. The method includes feeding solids such that the pressure (F1) they exert on the walls of the reaction space (2) or the wa... | 01/13/2004 |
| 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 |
| 6405662 | Method for preventing jamming conditions in a compression device 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... | 06/18/2002 |
| 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 |
| 6338305 | On-line remediation of high sulfur coal and control of coal-fired power plant feedstock The present invention makes possible the economic and environmental use of high sulfur coal by removing the sulfur at the power generating plant. This process reduces the risk of fire, explosion, and freezing in storing and transporting reclaimed, ground ... | 01/15/2002 |
| 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 |
| 6170411 | Waste tire incinerating and post-treating system A waste tire incinerating and post-treatment system in which waste tires are continuously and efficiently burned. The system includes a waste tire reservoir tank, a hoist, a conveyor system, a tire-size sensing system, an incinerating part, a waste oil pu... | 01/09/2001 |
| 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 |
| 6055915 | Wood residue disposal system A method of wood waste disposal which regulates factors such as the amount of wood residue being fed to an incinerator at any given time so that wood residue from a mill is processed promptly and efficiently without compromising the efficient operation of... | 05/02/2000 |
| 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 |
| 5857419 | Converging burner tip A burner tip having a converging portion with a multiplicity of ports. The ports are sized and positioned so that a substantially constant ratio is maintained between any selected cross-sectional flow area within the converging portion and the sum of the ... | 01/12/1999 |
| 5829368 | Fuel and sorbent feed for circulating fluidized bed steam generator The fuel is fed into a circulating fluidized bed steam generator using a feed system involving an air swept chute using secondary combustion air to suspend and carry the fuel into the fluidized bed combustor. The fuel is fed to the air swept chute through... | 11/03/1998 |
| 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 |
| 5285735 | Control apparatus for injection quantity of pulverized coal to blast furnace An apparatus for controlling the injection quantity of pulverized coal by measuring the flow rate of the pulverized coal in a conveying pipe, through which the pulverized coal is injected into tuyeres of a blast furnace, in order to regulate the opening o... | 02/15/1994 |
| 5269233 | Stoker or particulate conveyor A heater for burning particulate combustible fuel material, and a stoker for transferring the fuel for use in connection with such a heater. The heater includes a burner with a step upward from the stoker onto the burner, for reducing the possibility of t... | 12/14/1993 |
| 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 |
| 5226374 | Method of controlling combustion of fluidized-bed incinerator The present invention discloses a method of controlling combustion of a fluidized-bed incinerator. In a fluidized-bed incinerator (5), a method of controlling combustion of the fluidized-bed incinerator comprises measuring a supply rate of incineration wa... | 07/13/1993 |
| 5148756 | Fuel feeder for furnace A chain-type fuel feeder which includes a chain conveyor that deposits coal onto a rotor which then throws the coal into a boiler-type furnace. The conveyor is driven from the shaft of the rotor by way of a novel, variable speed control assembly which inc... | 09/22/1992 |
| 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 |
| 4846081 | Calorimetry system A calorimetry system for measurement of the heating value of coal having a combustor 24 and a mixing unit 30 wherein heat from combustion gases is transferred to air. The system has a gravimetric feeder 64 for providing coal at a measured mass feed rate; ... | 07/11/1989 |
| 4838183 | Apparatus and method for incinerating heterogeneous materials An apparatus for burning waste refuse having a heterogeneous composition comprising means defining a combustion chamber having an inlet for charging waste refuse therein and an outlet for discharging combustion gases therefrom, means disposed within the c... | 06/13/1989 |
| 4800846 | Method of controlling a fluidized bed boiler A fluidized bed boiler is controlled such that, when the fuel supply quantity thereof is changed from F0 to F1, the fuel supply quantity is changed to a level greater than the difference between F1 and F0, the f... | 01/31/1989 |
| 4774893 | System of handling refuse derived fuel utilizing same to fire power plants A system for handling refuse derived fuel (RDF) devised to make RDF fired power plants practical, that includes a method and apparatus for receiving, storing and discharging, distributing and feeding RDF at the plant that accepts such material for fuel, w... | 10/04/1988 |
| 4762073 | Metering feeder A metering feeder for delivering solid fuels, such as municipal or industrial refuse, for combustion includes a pair of generally vertically arranged hoppers. An upper hopper containing relatively compacted or intertangled fuel discharges metered amounts ... | 08/09/1988 |
| 4758118 | Process and apparatus for the metered introduction of fine-grain solid materials into an industrial furnace particularly a blast furnace or cupola furnace A process and apparatus for the metered introduction of fine-grain materials, particularly pulverulent solid substances (i.e., coal dust) from a pressurized metering container which contains a supply of solid material, into an industrial furnace having a ... | 07/19/1988 |
| 4750437 | Method for disposal of waste materials by incineration A method for disposing of waste materials including wastes generated by residential neighborhoods and business districts of a municipal area, by collecting waste materials centrally, sorting out and removing non-combustible materials from the collected wa... | 06/14/1988 |
| 4750434 | Mill/dryer gas temperature control A method and apparatus for controlling moisture content of a solid, such as pulverized coal, conveyed to a reactor, such as a gasifier, by controlling the temperature of a gas injected into a pulverizer or dryer based on the moisture content control of th... | 06/14/1988 |
| 4744311 | System for feeding solid particulate material for combustion in a reactor vessel A new and improved system for feeding solid particulate material such as refuse derived fuel for burning in a combustion reactor vessel such as a boiler includes a fuel injector chute having a lower end for directing a flow of said solid particulate mater... | 05/17/1988 |
