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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...