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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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6474249 |
Mobile furnace and method of facilitating removal of material from workpieces
The mobile furnace for removing foreign material, such as coatings, from workpieces. The mobile furnace includes burners for heating a combustion chamber of the furnace, and a burner control for...
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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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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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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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6460472 |
Fluidized bed material, method for its production, and method in a fluidized bed process
A fluidized bed material including mineral particles of a gabbro class or darker rock type. The rock type includes several minerals and having a quartz content of 5 wt-% or less. The particles are...
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6457425 |
Method and apparatus for combustion of residual carbon in fly ash
A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into a particulate bed within a reactor chamber. The fly ash particles are...
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6457424 |
Cremation system
The present invention concerns a cremation system for corpses located in coffins. The system comprises a combustion chamber in whose wall is disposed at least one burner to which auxiliary energy...
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6454824 |
CFB impact type particle collection elements attached to cooled supports
Apparatus for separating solids from flue gas in a circulating fluidized bed (CFB) boiler comprises plural vertical, impact type particle separators located within the CFB in a plurality of...
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6453831 |
Method for burning lumpy combustion material, especially limestone, dolomite and magnesite, and regenerative shaft furnace for carrying out this method
A method for burning lumpy combustion material, in particular limestone, dolomite and magnesite, in a regenerative shaft furnace comprising at least two shafts ( 1, 2 ) comprised of a preheating...
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6453830 |
Reduction of nitrogen oxides by staged combustion in combustors, furnaces and boilers
Nitrogen oxides, NO x , resulting from the excess air combustion of solid fuels in a combustor or burner in a furnace are reduced. By introducing sufficient additional fuel to the combustion gases...
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6453829 |
Incinerator assembly having waste smoke treating device
An incinerator device includes an incinerator for burning the garbage to generate a smoke, the smoke has a portion sent back to and retreated by the incinerator, and the other portion sent to and...
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6451094 |
Apparatus and method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbents
A process for removing vapor phase contaminants from a gas stream includes the step of adding a raw carbonaceous starting material into a gas stream having an activation temperature sufficient to...
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6450874 |
Thermostatically controlled power draft motor cooling system
A variable speed power flue ventilator with a thermostatically controlled motor cooling system. The thermostatically controlled cooling system employs an auxiliary motor cooling fan separate from...
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6450800 |
Regenerative thermal oxidizer incorporating a venturi style burner
A burner that utilizes venturi action for induction of combustion air. The action of the venturi draws in surrounding air present around the nozzle to supply the necessary combustion air, provide...
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6450108 |
Fuel and waste fluid combustion system
A system for combusting difficult to combust fluid such as waste fluid wherein fuel and gaseous oxidant combust in a hot combustion gas chamber to form a hot combustion gas mixture which is...
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6446565 |
Blast tuyere for shaft furnaces, in particular blast furnaces or hot-blast cupola furnaces
A blast tuyere for shaft furnaces, includes a conical hollow main body having inner and outer casings defining a hollow space and interconnected by a tuyere nose. The outer casing is formed by a...
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6443078 |
Process and plant for depolymerizing of the CH chains of solid materials
Materials containing CH polymer chains are treated by a process comprising triggering combustion of the material in an environment insulated from the outside; removing gaseous combustion products...
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6443077 |
System for producing combustion ash of cellulose-containing wastes
The system for producing combustion ash of cellulose-containing wastes, provided with a kneading device 3 for kneading cellulose-containing wastes with a prescribed amount of liquid fuel oil, a...
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6440746 |
Method and apparatus for analyzing asphalt content
An apparatus for pyrolysis of a bituminous paving mix is provided, comprising an oven having a bottom wall, a top wall, and side walls defining a combustion chamber, a sample support within the...
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