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6532881 |
Method for operating a boiler using oxygen-enriched oxidants
A method for operating a boiler using oxygen-enriched oxidants includes introducing oxygen-enriched air, or oxygen and air, in which the oxygen concentration ranges from about 21% to about 100% by...
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6532905 |
CFB with controllable in-bed heat exchanger
A circulating fluidized bed (CFB) boiler has one or more bubbling fluidized bed enclosures containing heating surfaces and located within a lower portion of the CFB boiler to provide a compact,...
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6532880 |
Method and apparatus for drying and incineration of sewage sludge
A system for drying sludge includes a shaftless spiral feed screw for moving sludge through a drying chamber. An high energy inductor is located at a output of the drying chamber for drawing hot...
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6534020 |
Fume recovery methods
Apparatus ( 10 ) for recovering fumes from a roofing kettle ( 12 ) includes a fan ( 72 ) for drawing air from the hollow interior of a housing ( 20 ). A conduit ( 34 ) extends through the housing...
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6532768 |
Process for the vitrification of a pulverulent material and apparatus for implementing the process
The present invention relates to a vitrification process for a pulverulent material and an apparatus for implementing said process. The process consists in introducing the pulverulent material into...
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6526898 |
Furnace with radiant reflectors
The present invention utilizes radiation reflectors on the refractory wall of a fired furnace opposite the spaces between adjacent tubes. The radiation reflectors focus the reflected radiation from...
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6520096 |
Disposal apparatus of combustible fluorine-series refrigerant composition
A disposal apparatus comprise a combustion furnace and a refrigerant feed unit for drawing out a combustible fluorine-series refrigerant composition containing a fluorine-series refrigerant and C 1...
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6520097 |
Method of an apparatus for rapid in-line incinerating of contaminant coated hangers and/or parts using high energy sources
Method and Apparatus for high intensity infrared burn-off of contaminants on articles moving continuously through an in-line production process.
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6521021 |
Thief process for the removal of mercury from flue gas
A system and method for removing mercury from the flue gas of a coal-fired power plant is described. Mercury removal is by adsorption onto a thermally activated sorbent produced in-situ at the...
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6520848 |
Method and apparatus for maintaining the release of exhaust above a height threshold
A method and apparatus adjusts an opening in the flow of exhaust to ensure a constant velocity of the exhaust.
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6520098 |
Apparatus and method for disposing of dam dirt
A method of disposing of combustible materials. The method includes the steps of: providing a heating space; providing a first source to generate heat to a first predetermined level at a first...
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6519973 |
Glass melting process and furnace therefor with oxy-fuel combustion over melting zone and air-fuel combustion over fining zone
A process and furnace for melting glass is set forth wherein the majority of the combustion energy over the melting zone of the furnace is provided by oxy-fuel combustion while a majority of the...
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6520099 |
Method for treating combustion ash of coal and method for desulfurization
Provided are a method of treating coal ash by mixing it with water, in which the coal ash and water undergo a temperature difference therebetween while they are mixed; and a method of...
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6517341 |
Method to prevent recession loss of silica and silicon-containing materials in combustion gas environments
While silicon-containing ceramics or ceramic composites are prone to material loss in combustion gas environments, this invention introduces a method to prevent or greatly reduce the thickness loss...
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6514469 |
Ruggedized methods and systems for processing hazardous waste
Hazardous waste can be processed using novel, ruggedized and flexible methods and systems. Such novel methods and systems comprise a survivable processing vessel designed to withstand shock,...
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6514315 |
Apparatus and method for collecting flue gas particulate with high permeability filter bags
A method of treating flue gas includes the steps of generating a flue gas and removing particulate from the flue gas with a first particulate removal technique to produce treated flue gas. The...
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6513446 |
Process and apparatus for conditioning moist and dust-laden incineration air
In an incineration plant with combination air being fed to its furnace via a pipeline, a mixing chamber, an extractor and an air-preheating device are provided in the direction of flow of the...
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6513445 |
Plant and grate block for the thermal treatment of waste materials
A plant for the thermal treatment of waste materials. The plant has a grate, on the surface of which the waste materials lie. The grate has gas passages which are connected to a gas supply for the...
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6510820 |
Compartmented gas flue for NOx control and particulate removal
A flue for improving gas flow characteristics is used to supply a flue gas flow with particulate material entrained therein to a selective catalytic reduction reactor. Conduits have an inlet for...
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6507774 |
Intelligent emissions controller for substance injection in the post-primary combustion zone of fossil-fired boilers
The control of emissions from fossil-fired boilers wherein an injection of substances above the primary combustion zone employs multi-layer feedforward artificial neural networks for modeling...
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6505567 |
Oxygen fired circulating fluidized bed steam generator
A circulating fluidized bed steam generator 10 and a method for operating the circulating fluidized bed steam generator are provided which offer the flexibility to use carbon dioxide (CO 2 ) both...
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6502520 |
Solid material melting apparatus
An incineration and melting furnace has a furnace main body that is filled with a conductive heat generation body (for example, graphite). Radioactive combustible materials in contact with the...
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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...
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6500221 |
Cooled tubes arranged to form impact type particle separators
Apparatus for separating solids from flue gas in a circulating fluidized bed (CFB) boiler includes plural vertical, impact type particle separators made of cooling tubes located within the CFB in a...
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6497230 |
Air port damper
An air port damper system for a recovery boiler employs plural louvers for altering the exit angle of air through an air port. Dampers are provided to enable adjustment of the flow through the...
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6497187 |
Advanced NOX reduction for boilers
A method and apparatus for combustion of a solid carbonaceous material in which the solid carbonaceous material is preheated and at least a portion thereof pyrolyzed on a stoker grate disposed in...
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6494151 |
Exhauster diffuser discharge valve
A discharge valve plate of the type used in the conduit between an exhauster fan and a riffle box in a coal fine delivery system for a coal-fired combustion chamber in a power plant. The axis of...
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6494152 |
Stamped blower housing with 4″ transition
A blower for a furnace is provided where the blower has a housing with an industry standard 4″ diameter exhaust port. The discharge of the blower housing is coupled directly to exhaust piping...
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6494153 |
Unmixed combustion of coal with sulfur recycle
An improved method of burning low sulfur coal in order to power gas turbines using unmixed combustion that ensures virtually complete oxidation of the coal, with the sulfur content of the coal...
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6490984 |
Method of making flue gas harmless
Formation of dioxins in flue gases is inhibited by contacting the flue gas with at least one of sodium phosphite, calcium phosphate, sodium hypophosphite, and calcium as reducing agents preferably...
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6490985 |
Boiler
The invention provides a boiler provided with low cost means which can reduce a concentration of CO, an unburned matter, an attached ash and the like near a side wall and maintain a combustion...
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6487980 |
Refractory ceramic plate and accompanying wall structure for an incinerator
A refractory ceramic plate and an accompanying wall structure for an incinerator, such as a garbage incinerator. The refractory ceramic plate has at least two recesses arranged on a main surface of...
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6485296 |
Variable moisture biomass gasification heating system and method
A sloping fuel grate allows primary air to flow up into a thick biomass fuel bed in a gasifier producing combustible gases. Fuel feed screws keep the fuel bed at a nearly constant height in...
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6484882 |
Plant for the processing of residue from a thermal waste disposal plant
In order to separate a carbon-containing fraction as completely as possible from a residue, for example a pyrolysis residue, a combustible constituent is first separated from a non-combustible...
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6484651 |
Method for operating a slag tap combustion apparatus
The present invention provides a method of operating a solid fuel fired boiler comprising introducing a solid fuel and an iron-bearing material into the boiler. The solid fuel is at least partially...
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6485289 |
Ultra reduced NOx burner system and process
A NOx reduction burner system and process. Fuel modification and fuel rich reactor zone gases are brought together with products from a fuel lean reactor zone in a low temperature burnout and NOx...
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6481385 |
Fluidized bed combustion system with steam generation
A solid fuel fluidized-bed steam generator in which a pair of combustion chambers straddle a heat-exchange chamber of rectangular configuration in a row and have one or more gas/solids separators...
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6481360 |
Ultra fine fly ash and a system for collecting the same
A system for collecting ultra fine fly ash from a dry fly ash removal system includes providing a bagfilter transport conduit for each bagfilter of the system. A vacuum shutoff valve is positioned...
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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...
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6478948 |
Method of monitoring and controlling corrosion of furnace boiler tubes
A method for monitoring and reducing corrosion in furnace boiler tubes measures electrochemical noise associated with corrosion mechanisms while corrosion is occurring at the surface of the tubes...
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6475267 |
System and method for removing gas from a stream of a mixture of gas and particulate solids
A system for removing gas from a stream of a mixture of gas and particulate solids. The system includes a separation vessel having an upstream end portion and a downstream cowl portion, the...
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6474250 |
Nozzle assembly for a pulverized coal burner
A mixture of pulverized coal and primary air travels axially through a tubular nozzle body having an outlet end in and surrounded by axially flowing concentric streams of secondary and often...
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6474984 |
Air injection for nitrogen oxide reduction and improved product quality
A calcining system is operated in a substoichiometric mode for reducing nitrogen oxide generation and removing sulfur from materials to be processed by creating an oxygen deficient atmosphere. The...
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6474251 |
Cremating method and cremator
The invention concerns a method for cremating human or animal bodies which consists in generating from a wall ( 10 ) of the combustion chamber ( 3 ), a turbulence in the form of a vertical...
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6471926 |
Method of using aerogel honeycomb catalyst monoliths for selective catalytic reaction of gas phase chemical species
A method for utilizing ultra-thin catalytic monoliths, internal molding and high concentrations of reactive catalytic species to exploit the unique high surface area of Aerogels in order to achieve...
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6470812 |
Method and apparatus for recovering energy from wastes by combustion in industrial furnaces
Method and apparatus to recover energy from waste by means of combustion of such waste in industrial furnaces, particularly of the rotary type, that has an external calciner, feeding such waste...
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6467438 |
Circulating bed reactor
A circulating fluidized bed reactor is provided, based on a multi-inlet cyclone, comprising an elongated riser channel ( 5; 25 ), which has a lower portion ( 4; 24 ) and an upper portion, whereby...
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6464430 |
Soil decontamination apparatus and method
A soil decontamination apparatus includes a pug mill with twin, side-by-side augers or shafts with paddles moving the soil along a treatment path. A roof over the pug mill includes burners...
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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...
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6464492 |
Methods of utilizing boiler blowdown for reducing NOx
The present invention provides improved methods of reducing NO x emissions in the flue gases produced by a steam boiler fired by a fluid fuel and combustion air burner and including a steam drum...
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