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Fluidized bed

Subclass of:

422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing

422129000 - CHEMICAL REACTOR

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
422140000 With liquid present 34
422141000 Plural reaction beds 26
422145000 And means providing flow of particulate matter into or out of reaction chamber 24
422144000 Including means to strip reaction mass from, or to regenerate, the particulate matter (including fluidized bed regenerators, per se) 23
422146000 With heat exchange means affecting reaction chamber or reactants located therein 14
422143000 Including specific wind box or particulate matter support grid 7
422147000 And means mechanically separating and removing particulate bed material from fluid effluent 2
20100040512METHOD AND PLANT FOR THE HEAT TREATMENT OF SOLIDS CONTAINING IRON OXIDE - A plant for the heat treatment of solids containing iron oxide. The plant includes a reactor including a fluidized bed reactor. The reactor includes a gas supply system disposed in the reactor, a stationary annular fluidized bed which at least partly surrounds the gas supply system, and a mixing chamber. The gas supply system is configured so that gas flowing through the gas supply system entrains solids from the stationary annular fluidized bed into the mixing chamber.02-18-2010
20120269688APPARATUS FOR THE TREATMENT OF SOLIDS AND/OR GASES - An apparatus for the treatment of at least one of solids and gases includes a fluidized-bed reactor configured to fluidize the solids using fluidizing gas and to at least one of thermally and chemically treat the solids. A centrifugal separator is configured to separate the fluidizing gas and the solids from each other. A transfer duct connects the fluidized-bed reactor and centrifugal separator to each other. The transfer duct has a trapezoidal cross-section in a vertical direction and in a horizontal direction. The transfer duct branches off from the fluidized bed reactor with a cross-section having a horizontal dimension that is greater than a vertical dimension. The cross-section of the transfer duct expands downwards in the vertical direction from the fluidized-bed reactor to the centrifugal separator. The cross-section of the transfer duct tapers in the horizontal direction from the fluidized-bed reactor towards the centrifugal separator.10-25-2012
Entries
DocumentTitleDate
20080267834High-Pressure Fluidized Bed Reactor for Preparing Granular Polycrystalline Silicon - The present invention relates to a high-pressure fluidized bed reactor for preparing granular polycrystalline silicon, comprising (a) a reactor tube, (b) a reactor shell encompassing the reactor tube, (c) an inner zone formed within the reactor tube, where a silicon particle bed is formed and silicon deposition occurs, and an outer zone formed in between the reactor shell and the reactor tube, which is maintained under the inert gas atmosphere, and (d) a controlling means to keep the difference between pressures in the inner zone and the outer zone being maintained within the range of 0 to 1 bar, thereby enabling to maintain physical stability of the reactor tube and efficiently prepare granular polycrystalline silicon even at relatively high reaction pressure.10-30-2008
20090074629BOTTOM ASH INJECTION FOR ENHANCING SPRAY DRYER ABSORBER PERFORMANCE - Alkali-containing bottom ash produced by a circulating fluidized bed (CFB) boiler is recycled to downstream spray dryer absorption (SDA) apparatus to more fully utilize the unused reagent present in the ash, and/or to reduce the amount of reagent used while not increasing NO03-19-2009
20090191101CATALYST AND SYSTEMS INCORPORATING THE CATALYST - A catalyst includes a carrier body and a catalytic portion carried by the carrier body. The catalytic portion includes a plurality of distinct layers of catalytic material, which layers may be deposited through atomic layer deposition techniques. The catalyst may have a selectivity for the conversion of alkanes to alkenes of over 50%. The catalyst may be incorporated in a reactor such as a fluidized bed reactor or a single pass reactor.07-30-2009
20090238729Conically Shaped Screenless Internals for Radial Flow Reactors - An apparatus for contacting a bed of particulate material with a cross flowing fluid, which maintains the bed of particulate material within a retention volume. The apparatus includes partitions for retaining particles, with apertures disposed within the partitions. The apertures are covered by shrouds that extend above the edges of the apertures to prevent solid particles from spilling through inlet apertures.09-24-2009
20090291030Method and apparatus for the production of particulate carbon products - This invention relates to a method for the production of particulate carbon products in a reactor vessel wherein gas flow between a gas inlet port and a gas outlet port suspends a bed of catalyst-containing particulate material in said vessel and wherein the product is discharged from said vessel by falling from the bed.11-26-2009
20090291031Integrated Hydrocarbon Cracking and Product Olefin Cracking - Processing scheme and arrangement for increasing the relative yield of light olefins involves integration of the cracking a heavy hydrocarbon feedstock to produce an effluent comprising a range of hydrocarbon products including C11-26-2009
20100092347HIGH SHEAR PROCESS FOR THE PRODUCTION OF ACETALDEHYDE - A method of use for a high shear device incorporated into a process or system for the production of acetaldehyde from ethylene as a reactor device is shown to be capable of decreasing mass transfer limitations, by forming a feed stream emulsion, and thereby enhancing the acetaldehyde production process in the system.04-15-2010
20100143207SEMI-CONDUCTIVE COATINGS FOR A POLYOLEFIN REACTION SYSTEM - A method for selecting a semi-conductive coating to be applied to at least a portion of an inner surface of a polyolefin reaction system wherein the coating has certain electrical properties and a fluidized bed reactor vessel wherein at least a portion of a reactor internal surface is coated with a semi-conductive coating is provided.06-10-2010
20100178214Glass Microfluidic Devices and Methods of Manufacture Thereof - A micro fluidic device (07-15-2010
20100254861DEVICES FOR INJECTION OF GASEOUS STREAMS INTO A BED OF FLUIDIZED SOLIDS - Injection nozzles for use in a gas distribution device are disclosed. In one aspect, the injection nozzle may include: a tube having a fluid inlet and a fluid outlet; wherein the inlet comprises a plurality of flow restriction orifices. In another aspect, embodiments disclosed herein relate to an injection nozzle for use in a gas distribution device, the injection nozzle including: a tube having a fluid inlet and a fluid outlet; wherein the fluid inlet comprises an annular orifice surrounding a flow restriction device. Injection nozzles according to embodiments disclosed herein may be disposed in a gas distribution manifold used in a vessel, for example, for conducting polymerization reactions, spent catalyst regeneration, and coal gasification, among others.10-07-2010
20110020186Fluidizing A Population of Catalyst Particles Having A Low Catalyst Fines Content - The present invention relates to processes for fluidizing a population of catalyst particles that are depleted of catalyst fines. In one embodiment, the process includes providing a plurality of catalyst particles in the reactor, wherein the catalyst particles have a d01-27-2011
20110142721FUEL GASIFICATION EQUIPMENT - Provided is a fuel gasification equipment capable of effectively utilizing a CO06-16-2011
20110158857FLUIDIZED BED REACTOR SYSTEMS AND DISTRIBUTORS FOR USE IN SAME - Fluidized bed reactor systems and distributors are disclosed as well as processes for producing polycrystalline silicon from a thermally decomposable silicon compound such as trichlorosilane. The processes generally involve reduction of silicon deposits on reactor walls during polycrystalline silicon production by use of a silicon tetrahalide.06-30-2011
20110165028METHOD FOR PURIFICATION OF SILICA PARTICLES, PURIFIER, AND PURIFIED SILICA PARTICLES - [Problems] To provide a treatment method having excellent purification effect, in which impurities having high ionicity in a silica powder can be removed in a short time, a apparatus thereof, and a purified silica powder.07-07-2011
20110176968CONVERSION OF CARBONACEOUS FUELS INTO CARBON FREE ENERGY CARRIERS - A system for converting fuel is provided and includes a first reactor comprising a plurality of ceramic composite particles, the ceramic composite particles comprising at least one metal oxide disposed on a support, wherein the first reactor is configured to reduce the at least one metal oxide with a fuel to produce a reduced metal or a reduced metal oxide; a second reactor configured to oxidize at least a portion of the reduced metal or reduced metal oxide from the said first reactor to produce a metal oxide intermediate; a source of air; and a third reactor communicating with said source of air and configured to regenerate the at least one metal oxide from the remaining portion of the solids discharged from the said first reactor and the solids discharged from the said second reactor by oxidizing the metal oxide intermediate.07-21-2011
20110189054FLUIDIZED BED GASIFIER WITH SOLIDS DISCHARGE AND CLASSIFICATION DEVICE - An apparatus for withdrawing solids from a fluidized bed reactor comprises a venturi tube connected to the stem end of a funnel-shaped distribution plate, and a center jet pipe enclosed within the venturi, wherein a jet stream of feed gas is delivered above the venturi throat. Preferably, the distribution plate is equipped with multiple horizontally- or downwardly-oriented grid holes through which the feed gases flow and enter the fluidized bed, which holes may be covered by metal plates to prevent solids from weeping through grid holes and falling into the plenum below the distribution plate. The venturi is preferably engineered to be readily removable from the rest of the gasifier reactor for repair or replacement. Also provided is a fluidized bed reactor comprising the above apparatus.08-04-2011
20110200489FLUIDIZED BED DEVICE - In a fluidized bed device 08-18-2011
20110318234FLUIDIZATION DEVICE FOR SOLID FUEL PARTICLES - A system includes a fluidization device including a flow passage configured to convey a flow of solid fuel particles in a downstream direction, and a body disposed within the flow passage. The body is configured to direct the flow of solid fuel particles between the body and an outer wall of the flow passage. The fluidization device also includes a carrier gas injection port positioned radially outward from the body. The carrier gas injection port is configured to provide a flow of carrier gas in the downstream direction to break up agglomerations within the flow of solid fuel particles.12-29-2011
20110318235RECESSED GAS FEED DISTRIBUTOR APPARATUS FOR FCC RISER - An FCC apparatus may include a distributor disposed in a recess in a wall of the riser for distributing gaseous hydrocarbon feed to a riser. The distributor may be shielded from upwardly flowing catalyst by a shield. An array of nozzles from the distributor may extend through openings in the shield.12-29-2011
20120009090CONTINUOUS PROCESS FOR CONVERTING NATURAL GAS TO LIQUID HYDROCARBONS - A method comprising providing a halogen stream; providing a first alkane stream; reacting at least a portion of the halogen stream with at least a portion of the first alkane stream to form a halogenated stream, wherein the halogenated stream comprises alkyl monohalides, alkyl polyhalides, and a hydrogen halide; providing a second alkane stream; and reacting at least a portion of the second alkane stream with at least a portion of the alkyl polyhalides to create at least some additional alkyl monohalides.01-12-2012
20120093694Flue Gas Purification System with Different Nozzles - The aim of the invention is to devise a flue gas purification system which allows the use of only one absorber even for large systems. The flue gas purification system according to the invention comprises a fluidized-bed reactor having a flue gas inlet unit and a flue gas outlet unit, a nozzle unit being mounted downstream of the flue gas inlet unit. Said nozzle unit is provided with nozzles, said nozzles having different cross-sections.04-19-2012
20120189500Large Scale Energy Efficient CO2 Sequestration and Processing - A system for treating an exhaust stream issued by a power plant processes the exhaust stream in a methanol reactor. The exhaust stream contains CO and/or CO07-26-2012
20120189501PRODUCTION OF POLYCRYSTALLINE SILICON IN SUBSTANTIALLY CLOSED-LOOP SYSTEMS THAT INVOLVE DISPROPORTIONATION OPERATIONS - Production of polycrystalline silicon in substantially closed-loop processes and systems is disclosed. The processes and systems generally involve disproportionation of trichlorosilane to produce silane or dichlorosilane and thermal decomposition of silane or dichlorosilane to produce polycrystalline silicon.07-26-2012
20120269686FLUIDIZED BED REACTOR - A fluidized bed reactor is disclosed. The fluidized bed reactor includes a reaction pipe comprising silicon particles provided therein; a flowing-gas supply unit configured to supply flowing gas to the silicon particles provided in the reaction pipe, the flowing-gas supply unit comprising a flowing-gas inlet and a flowing-gas nozzle; and a reaction gas supply unit configured to supply reaction gas containing silicon elements to the silicon particles, wherein an inlet area of the flowing-gas inlet is identical to or larger than an outlet area of the flowing-gas nozzle.10-25-2012
20120275962APPARATUS AND METHOD FOR PRODUCING POLYCRYSTALLINE SILICON HAVING A REDUCED AMOUNT OF BORON COMPOUNDS BY VENTING THE SYSTEM WITH AN INERT GAS - The invention concern an apparatus and a method for manufacturing polycrystalline silicon having a reduced amount of boron compounds. The invention feeds Ar gas in a trichlorosilane line, which connects a trichlorosilane (TCS) tank and a series of distillation units. The distillation units have a pressure transducer and a pressure independent control valve (PIC-V) positioned on a vent gas line for discharging vent gas from the distillation units. Ar gas is fed to the TCS line with higher pressure than the pressure set for opening the PIC-V. The TCS is distilled by the distillation units with continuously discharging vent gas from the distillation units.11-01-2012
20130078157CONTINUOUS PROCESS FOR CONVERTING NATURAL GAS TO LIQUID HYDROCARBONS - A method comprising: providing an alkyl halide stream; contacting at least some of the alkyl halides with a coupling catalyst to form a product stream comprising higher hydrocarbons and hydrogen halide; contacting the product stream with a solid reactant to remove at least a portion of the hydrogen halide from the product stream; and reacting the solid reactant with a source of oxygen to generate a corresponding halogen.03-28-2013
20130195727FLUIDIZED BED BIOGASIFIER AND METHOD FOR GASIFYING BIOSOLIDS - A fluidized bed biogasifier is provided for gasifying biosolids. The biogasifier includes a reactor vessel and a feeder for feeding biosolids into the reactor vessel at a desired feed rate during steady-state operation of the biogasifier. A fluidized bed in the base of the reactor vessel has a cross-sectional area that is proportional to at least the fuel feed rate such that the superficial velocity of gas is in the range of 0.1 m/s (0.33 ft/s) to 3 m/s (9.84 ft/s). In a method for gasifying biosolids, biosolids are fed into a fluidized bed reactor. Oxidant gases are applied to the fluidized bed reactor to produce a superficial velocity of producer gas in the range of 0.1 m/s (0.33 ft/s) to 3 m/s (9.84 ft/s). The biosolids are heated inside the fluidized bed reactor to a temperature range between 900° F. (482.2° C.) and 1700° F. (926.7° C.) in an oxygen-starved environment having a sub-stoichiometric oxygen level, whereby the biosolids are gasified.08-01-2013
20140050626CATALYTIC FILTER MODULE AND CATALYTIC FILTER SYSTEM COMPRISING SAME - A catalytic filter module for gaseous fluids is disclosed comprising a block-shaped filter element, a catalytic element and a clean gas collecting and discharge arrangement. The catalytic element is substantially coextensive with the filter element, said filter element has a feed face and on its opposite side a discharge face from which filtrate exits to be received by the upstream face of the catalytic element. The gaseous fluid exits the catalytic element as clean gas at a clean gas face thereof opposite to the upstream face. The clean gas collecting and discharge arrangement comprises one or more channels extending across the whole clean gas face of the catalytic element deflecting and directing the clean gas flow transverse to the vertical of the clean gas face of the catalytic element to a clean gas discharge opening of the filter module at a side face thereof.02-20-2014
20140112832THREADED NOZZLE AND CLOSABLE NOZZLE VALVE ASSEMBLY - Embodiments of a nozzle assembly and a closable valve assembly for use in a fluid bed reactor system are disclosed. The nozzle assembly includes a first member that extends upwardly through a bottom wall of a fluid bed reaction chamber, and a second member. The first and second members are detachably fitted together via threads on each member. The second member can be removed and/or replaced, thereby facilitating fluid bed reactor maintenance. The closable valve assembly is connected to a nozzle, and includes a valve body and a gate pivotally connected to the valve body. The gate is movable between a first position at least partially covering the nozzle orifice in the absence of gas flow through the orifice, and a second position wherein the orifice is not covered when gas flows through the orifice.04-24-2014
20140314629HYBRID GASIFICATION SYSTEM - The present invention provides a hybrid gasification system which simultaneously has the advantages of an entrained-flow gasifier using pulverized fuel and a fluidized-bed gasifier utilized for gasifying fuel with relatively various properties. The present intention provides a hybrid gasification system employing a structure in which a second reaction chamber operated at a temperature of 700 to 900 is surrounded by a first reaction chamber operated at temperature, thereby obtaining an insulation effect, performing additional heat exchange, and minimizing a heat loss. Furthermore, the present invention provides a hybrid gasification system having a structure in which unreacted substances and tar within synthetic gas generated from a first reaction chamber reacts within a second reaction chamber, thereby increasing the entire gasification efficiency.10-23-2014
20140328724Multi-Stage System for Producing a Material of a Battery Cell - A system and method thereof are provided for multi-stage processing of one or more precursor compounds into a battery material. The system includes a mist generator, a drying chamber, one or more gas-solid separators, and one or more in-line reaction modules comprised of one or more gas-solid feeders, one or more gas-solid separators, and one or more reactors. Various gas-solid mixtures are formed within the internal plenums of the drying chamber, the gas-solid feeders, and the reactors. In addition, heated air or gas is served as the energy source within the processing system and as the gas source for forming the gas-solid mixtures to facilitate reaction rate and uniformity of the reactions therein. Precursor compounds are continuously delivered into the processing system and processed in-line through the internal plenums of the drying chamber and the reaction modules into final reaction particles useful as a battery material.11-06-2014
20150093295GAS DISTRIBUTORS FOR CIRCULATING FLUIDIZED BED REACTORS - A distributor for a circulating dry scrubber reactor includes a venturi section with a venturi section wall extending from a venturi section inlet to a venturi section outlet along a longitudinal axis, with the venturi section inlet connected to an inlet plenum and the venturi section outlet connected to a circulating dry scrubber reactor. A hub is mounted within the venturi section wall with an annular converging-diverging flow path defined between the venturi section wall and the hub for distribution of gas flow from the venturi section outlet into a circulating dry scrubber reactor space and for maintaining stable bed fluidization in a CDS system at a comparatively low system pressure loss.04-02-2015
20160016136GRID NOZZLE ASSEMBLY, A FLUIDIZED BED REACTOR WITH A GRID NOZZLE ASSEMBLY AND METHODS OF USING A GRID NOZZLE ASSEMBLY - A grid nozzle assembly for a fluidized bed reactor, a fluidized bed reactor with a grid nozzle assembly, a method of mounting a grid nozzle assembly as a replacement in a fluidized bed reactor, and a method of replacing a grid nozzle assembly in a fluidized bed reactor. The reactor includes a horizontally extending bottom plate, a gas plenum chamber below the bottom plate, and vertical gas pipes having a top end and extending from the gas plenum chamber upwards across the bottom plate. The nozzle assembly includes a nozzle head with a gas channel for injecting fluidizing gas from one of the vertical gas pipes to the reaction chamber and a tube sleeve adapted to be firmly fixed by welding around the top end of the vertical gas pipe. The nozzle head and the tube sleeve form a twist-lock enabling quick connecting and disconnecting.01-21-2016

Patent applications in class Fluidized bed

Patent applications in all subclasses Fluidized bed

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