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| Number | Title | Issue Date |
| 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 |
| 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 |
| 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 |
| 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 |
| 6463864 | Gasification melting furnace for wastes and gasification melting method A gasification and melting furnace for wastes has a vertically movable furnace center lance disposed along the axis of the furnace and adapted to blow off a combustion sustaining gas downward into the furnace. One or more stages of upper tuyeres are dispo... | 10/15/2002 |
| 6349658 | Auger combustor with fluidized bed An improved auger combustor for the incineration of refuse featuring, in its preferred embodiment, a granular substrate formed as a fluidized bed by underfire air and composed of particulate material with pollution abatement properties, an auger with expa... | 02/26/2002 |
| 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 |
| 5984671 | Sealing device useful for providing air-seal self-controlled discharge of product from a process equipment such as a vertical shaft kiln This invention relates to a sealing device useful for attachment to a process equipment such as vertical shaft kiln (VSK) for providing air-seal self-controlled discharge of product from the said equipment, which comprises a chamber (1) having at its top ... | 11/16/1999 |
| 5850740 | Fluidized bed power plant, and control apparatus and method thereof A power plant has two fluidized beds, one of the fluidized beds being used for generating main steam and the other being used for generating reheated steam. Further, the power plant includes a control apparatus for controlling the main steam by adjusting ... | 12/22/1998 |
| 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 |
| 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 |
| 5110288 | Gravity flow thermal process for reclaiming foundry sand A method and apparatus for thermally reclaiming used foundry sand is disclosed. The apparatus includes a vertically disposed furnace having a combustion chamber therein. A sand dispersion system supported within the combustion chamber disperses the free f... | 05/05/1992 |
| 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 |
| 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 |
| 4768469 | Operation control apparatus for recovery boilers An apparatus for controlling operation of a recovery boiler for compensating a predetermined reference temperature of black liquor by a compensation value in accordance with a type of an injecting gun provided in the boiler, a compensation value set by th... | 09/06/1988 |
| 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 |
| 4738205 | Heating stove which includes a pyrolysis gasifier The heating stove system includes a fuel hopper (10) from which fuel is fed into a pyrolysis gasifier (12) by means of a fuel auger apparatus (14). Controlling the entry of biomass input and air into the gasifier and ignition of the material in the gasifi... | 04/19/1988 |
| 4697532 | Operating method for a refuse processing furnace An operating method for a refuse processing furnace which processes refuse by melting with electric power, comprising steps of detecting a surface level of heaped refuse in the furnace and controlling amount of either or both of power input and refuse inp... | 10/06/1987 |
| 4693189 | Fluidized bed feeder A method and apparatus for fluidizing combustible material and feeding it to the burner of a furnace is disclosed. The apparatus includes a conventional hopper with a tubular element coupled to the lower most portion of a conical portion thereof. A fluidi... | 09/15/1987 |
| 4628829 | Solid fuel combustion assembly There is disclosed an improved solid fuel combustion assembly including a combustion chamber having a high heat capacity liner and provided with primary and secondary combustion supporting fluid conduits to thereby achieve combustion temperatures in the c... | 12/16/1986 |
| 4598670 | Solid fuel feed system for a boiler A solid fuel feed system for a boiler in which a hopper is provided for storing the fuel and a discharge conduit is provided for discharging the fuel to the boiler. A first conveyor belt system conveys the fuel from an inlet to the hopper and a second con... | 07/08/1986 |
| 4570552 | Process and apparatus for delivering carbon material to a furnace A process and apparatus for delivering carbon i.e., coal dust, to be combusted in a furnace is presented. The furnace is of the type having plural combustion points and may include a shaft furnace such as, for example, a blast or cupola furnace. The carbo... | 02/18/1986 |
| 4531462 | Biomass gasifier combustor The present invention is directed to a biomass gasifier combustor which operates by gasification and combustion of the biomass to produce a clean effluent gas which can be used directly for grain drying or other applications where thermal energy is requir... | 07/30/1985 |
| 4513671 | Particle fuel delivery control device A particle fuel burning furnace has an upper combustion chamber for holding a pile of particle fuel and burning the same from the bottom thereof. The furnace also includes a lower combustion chamber for afterburning combustible gases given off by the burn... | 04/30/1985 |
| 4488512 | Feedstock injection system for fluidized bed combustor A hydro-pressurized fluidized bed combustor having an uptanding shell and an entry at its bottom for admission of feedstock. The feedstock passes through a conduit surrounded by a heat exchanger. Inside the shell an entry conduit is outwardly flared in th... | 12/18/1984 |
| 4483256 | Biomass gasifier combustor system and components therefor An improved biomass gasifier combustor system including a furnace, a screw feeder system for feeding a biomass fuel to the furnace and a venturi eductor system adapted for drawing a gaseous combustion product from a combustion chamber of the furnace is di... | 11/20/1984 |
| 4452153 | Rotary hearth pyrolyzer with tapered spreader roll A rotary hearth pyrolyzer is described as having a conically tapered roll for uniformly spreading waste material that is charged onto the hearth for pyrolyzation. The taper of the spreader roll is such that the linear speed at any point measured longitudi... | 06/05/1984 |
| 4445628 | Apparatus for sensing empty hoppers A gravity operated conical hopper having a sliding closure plate which is pneumatically activated as soon as the hopper has been emptied. An apparatus and method is also disclosed for pneumatically detecting and automatically closing the hopper to stop th... | 05/01/1984 |
| 4442825 | Fuel feeder device for space heating stoves A detachable fuel feeder device for use with wood stoves is disclosed comprising an inclined fuel storage chamber adapted for alignment with the door opening of the wood stove, a dog clamp for detachably mounting the chamber to the wood stove, a door pivo... | 04/17/1984 |
| 4422390 | Process and apparatus for collection of gases and particulates in a furnace feed system A process and apparatus are described for collection of gases and particulates which arise during the feeding of an electric furnace, especially in the manufacture of phosphorus. The collection system for the gases and particulates includes novel explosio... | 12/27/1983 |
| 4385567 | Solid fuel conversion system A solid fuel conversion system feeds solid fuel to a burning area at a controlled and metered rate. In the burning area, the solid fuel is dried before it reaches a burning bed of coals. Once it reaches the bed of coals, it is advanced at a controlled rat... | 05/31/1983 |
| 4378208 | Biomass gasifier combustor The present invention is directed to a biomass gasifier combustor which operates by gasification and combustion of the biomass to produce a clean effluent gas which can be used directly for grain drying or other applications where thermal energy is requir... | 03/29/1983 |
| 4368676 | Apparatus for collection of gases and particulates in a furnace feed system A process and apparatus are described for collection of gases and particulates which arise during the feeding of an electric furnace, especially in the manufacture of phosphorus. The collection system for the gases and particulates includes novel explosio... | 01/18/1983 |
| 4348968 | Method and apparatus for burning solid fuel Solid fuel such as coal is fed into an inlet shaft of the furnace through a rotary feeder constructed to prevent the admission of air. Primary air channels supply the major part of the air required for combustion of the fuel in a region in which the fuel ... | 09/14/1982 |
| 4334484 | Biomass gasifier combustor The present invention is directed to a biomass gasifier combustor which operates by gasification and combustion of the biomass to produce a clean effluent gas which can be used directly for grain drying or other applications where thermal energy is requir... | 06/15/1982 |
| 4311102 | Burning system An improved burning system for automatically controllably charging a wood-waste burning steam boiler utilizes a fuel bin unloader having a gravity fed screw metering device for feeding fuel into the system in response to steam demand and pollution output ... | 01/19/1982 |
