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7562641 |
Method and device for measuring circulation quantity of bed material in circulating fluidized bed combustor
In order to quantitatively evaluate actual circulation quantity of bed material extremely simply and to enhance accuracy of comparison of results of thermal balance examined through simulation or...
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7543553 |
Circulating fluidized bed boiler
A circulating fluidized bed boiler has reduced corrosion in the exchanging tube in an external heat exchanger. The circulating fluidized bed boiler has a furnace which combusts a fuel which is...
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7520249 |
Circulating fluidized bed reactor with a convertible combustion method
A circulating fluidized bed reactor is provided that includes a reaction chamber having a vertical partition wall forming two independent subchambers that include a combustion subchamber and a...
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7503761 |
Method for reducing the formation of nitrogen oxides in steam generation
Disclosed herein is a method for generating steam, comprising oxidizing a fuel to generate heat via a flameless reaction; and using the heat generated via the reaction to convert water to steam. In...
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7503286 |
Method of combusting oil shale in a circulating fluidized bed boiler
A method of combusting oil shale in a circulating fluidized bed boiler. Fuel, including oil shale, is introduced into a furnace of the circulating fluidized bed boiler, primary oxygenous gas is...
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7493876 |
Passive mixing device for staged combustion of gaseous boiler fuels
A steam generating boiler having a matrix means for reducing combustion volume. Matrix means is placed in the combustion furnace of a steam generating boiler, preferably downstream of fuel and...
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7464669 |
Integrated fluidized bed ash cooler
An integrated fluidized bed ash cooler for a fluidized bed boiler, particularly a circulating fluidized bed (CFB) boiler, employs at least two fluidized bed sections positioned in series along a...
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7410356 |
Circulating fluidized bed boiler having improved reactant utilization
A circulating fluidized bed boiler having improved reactant utilization. The circulating fluidized bed boiler includes a circulating fluidized bed having a dense bed portion; a lower furnace...
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7331313 |
Continuous steam generator with circulating atmospheric fluidised-bed combustion
A continuous steam generator with a circulating atmospheric fludized-bed chamber is defined by encircling walls essentially on all sides, comprised of gas-permeable tubular walls provided with...
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7331299 |
Incombustible withdrawing system
An incombustible withdrawing system withdraws an incombustible from a fluidized-bed furnace having a fluidized bed formed therein by a fluidized medium. The incombustible withdrawing system has a...
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7287477 |
Cyclone bypass for a circulating fluidized bed reactor
A method of and an apparatus for operating a circulating fluidized bed reactor having a furnace with a discharge port for exhaust gas, and a particle separator having an inlet connected to the...
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7240639 |
Method of and an apparatus for recovering heat in a fluidized bed reactor
A fluidized bed reactor, comprising a furnace, a heat exchange chamber, a substantially vertical discharge channel connected to the lower part of the heat exchange chamber for removing particulate...
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7194983 |
Circulating fluidized bed boiler
A circulating fluidized bed boiler including a furnace, a separator which is connected to the furnace to separate fluidized bed material from a flow leaving the furnace, as well as a return duct...
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7055465 |
Water heater having waste gas disposal structure
A water heater includes a housing, an air box, two windproof hoods, and a catalyst converter. Thus, the catalyst converter converts the carbon monoxide produced during the combustion process of the...
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7021248 |
Passive system for optimal NOx reduction via selective catalytic reduction with variable boiler load
A passive system for recovering energy and nitrogen oxides from flue gas produced by a boiler, and which employs a particular arrangement of economizer surface to ensure that the temperature of the...
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6986797 |
Auxiliary reactor for a hydrocarbon reforming system
An auxiliary reactor for use with a reformer reactor having at least one reaction zone, and including a burner for burning fuel and creating a heated auxiliary reactor gas stream, and heat...
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6971335 |
Water heater
A water heater is provided in which neutralization process of drain is not required and an excellent heat efficiency is achieved. A route of exhaust gas which is passing through the main heat...
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6907845 |
Boiler improvements with oxygen-enriched combustion for increased efficiency and reduced emissions
A method and apparatus to conduct 0 2 /CO 2 combustion or oxygen-enriched combustion. The boiler exhaust gas passes through a Gas Primer Sector (GPS) combined with the boiler to effect heat...
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6887603 |
Raw fuel vaporizing apparatus, method of vaporizing raw fuel, and fuel cell system equipped with raw fuel vaporizing apparatus
A raw fuel vaporizing apparatus comprising: a vaporizer for vaporizing liquid raw fuel; a raw fuel introducing device for introducing the liquid raw fuel into the vaporizer; a catalyst combustor...
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6869459 |
Impact type particle separator made of mutually inverted U-shaped elements
Apparatus for separating solids from flue gas in a circulating fluidized bed (CFB) boiler comprises plural vertical, impact type particle separators made of a plurality of hung elements which are...
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6782848 |
Method in connection with a pipe grate for fluidized bed boiler and a pipe grate
A method for adjusting a supply of gaseous medium to a fluidized bed boiler performing a combustion process and including a pipe grate comprising a plurality of pipes. An active area of the pipe...
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6779492 |
Circulating fluidized bed reactor device
The circulating fluidized bed reactor device comprising a reactor chamber delimited horizontally by walls, a centrifugal separator and a back pass for heat recovery The reactor device allows for...
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6743280 |
Method and apparatus for particle separation including mechanical separation of particles
The present invention relates to a method for separating entrained particles from a gas in a fluidised bed reactor system and fluidised bed reactor system including a particle separator for...
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6681722 |
Floored impact-type solids separator using downward expanding separator elements
A collection element arrangement is provided having sleeve attachments near their lowermost ends which simulate a continuous sloping surface, or floor. The sleeve attachments upper surfaces forming...
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6644246 |
Evaporator
A device for evaporating liquids includes a porous, thermally conductive evaporation body, which contains a catalyst material on one surface, while the evaporation body is gas-impermeable on the...
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6631698 |
Circulating fluidized bed reactor
A circulating fluidized bed reactor includes a furnace, defined by a substantially vertical and planar first wall, and a particle separator having a return duct adjacent to the first wall. In the...
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6619383 |
Vibrated-bed method and apparatus for heat exchange
A vibrated bed of particles is created by vibrating a chamber. Particles are flowed to a ceiling of the chamber and cascade through a gas flowing though the chamber, exchanging heat with the gas....
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6601541 |
Method of producing steam and calcined raw meal
A method of producing a calcined raw meal and of producing additional steam in an existing steam generator comprises the following steps: pulverized raw meal, hydrocarbon, primary air and secondary...
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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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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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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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6497199 |
Catalytic combustion heat exchanger
A catalytic combustion heater having, in a fuel gas flow passage in which an inflammable gas- and combustion support gas-containing fuel gas flows, tubes in which an object fluid to be heater...
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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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6470834 |
Method and device for exploiting heat in combustion gases
The invention relates to a method and a device for utilizing the heat of flue gases from combustion apparatus while simultaneously removing condensable elements from the flue gases and reducing the...
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6470833 |
Method and apparatus in a fluidized bed reactor
A fluidized bed reactor includes a furnace defined by side walls, a roof, and a continuous bottom, and has a solid particle bed in the furnace. Vaporizing surfaces form at least two principally...
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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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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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6435138 |
Exhaust heat recovery boiler
An exhaust heat recovery boiler in which an exhaust gas discharged from a gas turbine into a boiler duct to recover a heat of the exhaust gas and ammonia is injected to and mixed with the exhaust...
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6431856 |
Catalytic combustion apparatus
In order to realize a catalytic combustion apparatus capable of effectively utilizing radiation from a surface of a catalytic element, providing a higher efficiency of heat exchange, and...
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6431261 |
Shell and tube type heat exchanger
The temperature distribution in a shell and tube type heat exchanger having an expansion joint is uniformized by improving the circulation efficiency of fluid in the shell side. The uniformization...
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6415743 |
Method of decreasing nitrogen oxide emissions in a circulating fluidized bed combustion system
In a combustion installation for burning a fuel, which installation includes a hearth operating as a circulating fluidized bed, and in which installation at least a fraction of the flow of solid...
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6397787 |
Catalytic combustion heater
A catalytic combustion heater having, in a fuel gas flow passage in which an inflammable gas- and combustion support gas-containing fuel gas flows, tubes in which an object fluid to be heater...
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6389995 |
Method of combustion and a combustion plant in which absorbent is regenerated
A method of combustion and a combustion plant in which absorbent is regenerated is described herein. During the combustion of a fuel in a combustion chamber enclosing a fluidized bed, a fuel and an...
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6340002 |
Heat-recovery steam generator
In a heat-recovery steam generator ( 10 ) having individual flow passages ( 18 ) and a catalyst apparatus ( 15 ) which consists of individual catalyst sections provided with shut-off means, the...
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6336500 |
Method and apparatus for controlling heat transfer from solids particles in a fluidized bed
A method of and apparatus for controlling heat transfer in a fluidized bed reactor having a heat transfer chamber ( 312 ) with a bed ( 314 ) of solid particles therein, means ( 320,322 ) for...
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6322603 |
Particulate collector channel with cooling inner elements in a CFB boiler
An apparatus for separating solids from flue gas in a circulating fluidized bed (CFB) boiler includes a plurality of impact type particle separators mounted vertically to a wall of the CFB. The...
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6305330 |
Circulating fluidized bed combustion system including a heat exchange chamber between a separating section and a furnace section
A top-supported circulating fluidized bed boiler system includes a furnace, having sidewalls of a tube wall construction, for combusting fuel and producing combustion products, a particle...
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6279513 |
Conversion fluid bed chamber assembly
A fluid bed chamber assembly that is affixed to or incorporated onto the bottom portion of a combustion chamber of a package boiler assembly to increase combustion efficiency of the boiler. The...
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6269778 |
Fine solids recycle in a circulating fluidized bed
A CFB furnace or reactor unit is provided having enhanced circulation of the reagents finest particles. The improved circulation is achieved by recycling gas having entrained fine particles from a...
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6267084 |
Apparatus for curing retread tire assemblies
An apparatus for curing retread tire assemblies includes an autoclave in which retread assemblies are placed and a heated water system for heating the autoclave. The heated water system provides...
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