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8992841 Fluidized bed reactor  
A fluidized bed reactor includes a bottom portion, a roof portion, and side walls vertically extending between the bottom portion and the roof portion, forming a reaction chamber of the reactor....
8960107 Apparatus for turbulent combustion of fly ash  
An apparatus for processing fly ash comprising a heated refractory-lined vessel having a series of spaced angled rows of swirl-inducing nozzles which cause cyclonic and/or turbulent air flow of...
8939093 Boiler grate and a boiler  
A boiler grate including air channels for supplying primary air to a furnace of a boiler. At least one channel, which is open on top, is arranged to collect ash and material from the furnace. At...
8881662 Fluidized bed incinerator and fluidized bed incinerating method for sludge using the same  
An inside of an incinerator body into which sludge is fed is divided into a lower portion, a portion above the lower portion, and a top portion in a height direction. The lower portion serves as a...
8875414 Unidirectional multi-path lumber kilns  
Embodiments provide a unidirectional multi-path kiln with two or more chambers and generally parallel flow paths extending through the kiln, on opposite sides, from charge entry portals at a first...
8833275 Process and plant for the thermal treatment of fine-grained solids  
A process for at least one of a chemical and a physical treatment of fluidizable substances in a reactor. The process includes introducing a hot gas into an interior of the reactor through a gas...
8807053 Fluidized bed heat exchanger for a circulating fluidized bed boiler and a circulating fluidized bed boiler with a fluidized bed heat exchanger  
A heat exchanger and a circulating fluidized bed boiler with a heat exchanger including a first fluidized bed heat exchange chamber and a second fluidized bed heat exchange chamber, arranged in...
8807054 System for converting fuel materials  
The invention is related to a system (1) for converting fuel material comprising: a first reactor (2) in which a fuel material reacts with an oxide material for producing reaction products...
8783195 Steering funnel for bed material in fluidized bed boiler, fluidized bed boiler and method in fluidized bed boiler  
A fluidized bed boiler (1) has a furnace (5) limited by walls (2), a grate (3) and a roof (4). Below the grate (3) in connection with the furnace (5) is arranged a steering funnel (7) in which bed...
8714095 Method and device for controlling bed height of fluidized bed gasification furnace in gasification facility  
A fluid medium separated by a medium separator is supplied to a gasification furnace into which a raw material is also charged. The fluid medium is extracted through any of fluid medium extraction...
8714094 Fuel fluidizing nozzle assembly  
A grate assembly for a fluidized bed reactor includes a plurality of parallel air ducts extending side-by-side in a substantially horizontal plane and defining spaces therebetween through which...
8689709 Oxycombustion in transport oxy-combustor  
A pressurized transport oxy-combustor with different configurations is disclosed. Substantially pure oxygen is fed to the transport oxy-combustor under pressure to combust fossil fuels, generating...
8667913 Method and device for controlling retention time of fluid medium in fluidized-bed gasification furnace in gasification facility  
A method and device for controlling retention time of a fluid medium in a fluidized-bed gasification furnace in a gasification facility are provided. A fluid medium is guided to any of a plurality...
8622029 Circulating fluidized bed (CFB) with in-furnace secondary air nozzles  
A circulating fluidized bed (CFB) boiler includes a reaction chamber, where a bubbling fluidized bed (BFB) is contained within an enclosure within the lower portion of the reaction chamber and...
8601958 Plant and process for the looping-type combustion of solid carbon-containing fuels  
The invention relates to a plant and a process for the looping-type combustion of solid carbon-containing fuels with a carbon dioxide (CO2) flow output. Said process carries out the conversion of...
8561556 Combustion installation with CO2 recovery  
An installation for combustion (1) of carbon-containing solids includes an oxide reducing reactor (2), a first cyclone (5), a recuperator (6), an oxidation reactor (3), a second cyclone (4),...
8561557 Primary oxidant feed to oxy-fired circulating fluidized bed (CFB)  
A system for feeding a primary oxidant to an oxy-fired circulating fluidized bed (CFB) boiler. The system includes a plurality of bubble cap assemblies each comprising a stem and a bubble cap with...
8516968 Fluidized bed  
A fluidized bed is described and which includes a multiplicity of fluidizing manifolds positioned in spaced relation one relative to the others; an enclosure positioned in gravity receiving...
8499702 Char-handling processes in a pyrolysis system  
Char-handling processes for controlling overall heat balance, ash accumulation, and afterburn in a reheater are provided. Carbonaceous biomass feedstock is pyrolyzed using a heat transfer medium...
8443739 Tertiary air addition to solid waste-fired furnaces for NOx control  
Through the addition of tertiary air and a reduction of secondary air, NOx emissions from a waste-to-energy (WTE) boiler may be reduced. The tertiary air is added to the WTE at a distance from the...
8382470 Fluidized bed boiler plant and method of combusting sulfurous fuel in a fluidized bed boiler plant  
A fluidized bed boiler plant and a method of combusting sulfurous fuel in the fluidized bed boiler plant, a furnace of which plant is provided with a fluidized bed of particles. Sulfurous fuel,...
8324523 Plasma whirl reactor apparatus and methods of use  
An apparatus for synergistically combining a plasma with a comminution means such as a fluid kinetic energy mill (jet mill), preferably in a single reactor and/or in a single process step is...
8291842 Methods for incinerating sludge in a combustor  
A method controls mass and heat loading of sludge feed into a fluidized bed combustor (FBC) controlled via regulation of a polymer dosage or a sludge feed rate including: continuously monitoring...
8277543 Fossil fuel fired, closed cycle MHD generator in parallel with steam turbine cycle with zero emissions and CO2 sequestration  
Disclosed is a gaseous fossil fuel fired, indirectly heated, Brayton closed cycle comprising an alkali metal seeded noble gases that is rendered non-equilibrium, electrically conducting in a...
8230795 Circulating fluidized bed device provided with an oxygen-fired furnace  
The invention relates to a circulating fluidized bed device provided with an oxygen-fired furnace (1), a separator (2) for separating gas and solid particles, a return circuit for returning solids...
8230796 Air-fired CO2 capture ready circulating fluidized bed steam generators  
A combustor 110 is operative to effect therewith the combustion of fossil fuel 114′ in order to thereby both heat to a working fluid 102 and generate a flue gas 104. An air preheater 144 receives...
8196532 Air-fired CO2 capture ready circulating fluidized bed heat generation with a reactor subsystem  
A combustor 110 combust a fluidized bed of fossil fuel 114, 114′ to heat a working fluid 102 and generate flue gas 104. An air preheater 144 has first and second gas passageways 144a, 144b for...
8196533 Methods for operating a fluidized-bed reactor  
A method for operating a fluidized-bed reactor includes introducing an alkali-containing material into a fluidized-bed reactor and introducing hydrous clay into the fluidized-bed reactor, the...
8171893 Oxygen-producing oxycombustion boiler  
The boiler of the invention has a circulating fluidized bed, uses solid fuels and the oxygen obtained by high temperature oxygen production membranes, and is characterized in that the membranes...
8141502 Fluidized bed boiler and a grate element for the same  
A fluidized bed boiler comprises a furnace whose lower part is equipped with a grate comprising means for supplying fluidizing air into the furnace. The furnace also comprises at least one heat...
7895957 Heat exchanger tube, method of manufacturing heat exchanger tube, and fluidized-bed furnace  
A heat exchanger tube 41 includes: a first cover layer 44 provided on an outer side of a tube main body 42 to partly or completely cover a tube main body 42; and a second cover layer 45 provided...
7875249 Reactor-integrated syphon  
In order to improve sealing properties between a downcomer and a high-speed layer and in order to efficiently take out produced gas obtained through gasification of, for example, a solid reactant,...
7819071 Nozzle system  
A nozzle system for a fluidized bed including a pipe for insertion through an air distributor plate in the fluidized bed and extending up through a refractory material on the air distributor...
7816294 Methods and configurations for catalyst regeneration  
A catalyst regenerator (100) has a first section (110) and a second section (120) and is operated such that carbon from a carbon-contaminated catalyst (140) is converted to carbon monoxide in the...
7703403 System and method for recomposing ammonia from fly ash  
A system and method for decomposing ammonia from fly ash contaminated with ammonia is provided which includes maintaining the temperature of a bed of ammonia-contaminated fly ash at a...
7694432 Method for dehumidification  
The present invention concerns a method and apparatus for dehumidifying, drying or the like of different materials. The invention is developed primarily for dehumidification of sewage sludge (7),...
7658167 Fluidized-bed device with oxygen-enriched oxidizer  
The invention relates to a fluidized-bed device (F1, F2) provided with a hearth (1, 23) equipped with gas mixture feeds called primary feeds, said gas mixture being enriched with oxygen, and said...
7651565 Device for drying and/or calcining gypsum  
A gypsum dryer/calciner (1) includes a calcining space (2), a first pipe (4) exhibiting an inlet connected to a source of hot gases (3) and an outlet emerging in the calcining space (2); a second...
7648615 Method of smoking/burning type volume reduction treatment and apparatus therefor  
In the operation of smoking/burning type volume reduction treatment apparatus (1), referring to view (A), charcoal carbonized layer (T2) is spread over powdery ceramic layer (T1) in the state of...
7624691 Air nozzle with fastening means and method for fastening of said nozzle  
An air nozzle has an attachment arrangement for solid fuel burners with fluidized beds. The air nozzle has a body having an inlet and an outlet defined therein. A pipe end is inserted into the...
7614352 In-situ capture of carbon dioxide and sulphur dioxide in a fluidized bed combustor  
Both a process and an apparatus whereby a fuel with both a high carbon content, a relatively high sulphur content and a relatively low ash content, can be combusted without the release of...
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...
7344622 Pyrolytic process and apparatus for producing enhanced amounts of aromatic compounds  
A pyrolysis process and reactor converts various hydrocarbons such as waste materials, for example, scrap polymers, tires, etc., into various chemical components or amounts thereof, not otherwise...
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...
7263934 Methods for generating energy using agricultural biofuel  
A process comprising, providing an agricultural biofuel to a fluidized bed reactor and combusting the agricultural biofuel to produce heat and/or steam is disclosed. In one embodiment, the...
7201573 Device for emptying of hot particle material from a chamber into a transport container  
A device for emptying hot particle material from a chamber into a transport container. The container is provided with a first pipe that can be inserted into the particle material in the chamber,...
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...
7152537 Fluidized bed boiler furnace comprising two hearths separated by an inside leg area  
The fluidized bed boiler furnace having two hearths (2, 3) separated by a divider (1) in the bottom portion of the furnace comprises one or more panels (6) of heat exchange tubes each disposed...