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WO/1992/006051A1 |
A device for swelling a granular material consists in forming upward flows of hot gases and the granular material and forming an additional upward flow (18) of gas jets, embracing the lower part of the main upward flow (12) of the hot ga...
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WO/1992/004983A1 |
Lining of an element, which constitutes an outer casing (2), by means of another element which constitutes an inner lining (1) for the casing and wherein the materials in the two elements have different coefficients of thermal expansion ...
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WO/1992/001512A1 |
A process and apparatus (Figs. 1, 2, 3 and 4) for controlled, multi-stage regeneration of FCC catalyst is disclosed. A modified high-efficiency catalyst regenerator (80), with a fast fluidized bed coke combustor (62), dilute phase transp...
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WO/1992/000801A1 |
A method and apparatus for treating gases and/or solid material in a circulating fluidized bed reactor, which is provided with a mixing chamber (12) for introducing gases into and mixing them with particulate solid material, an uptake sh...
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WO/1991/019148A1 |
Apparatus for heat treating a product. The apparatus includes a retort (12) having a volume sized to receive a bed of fluidizing particles at a predetermined elevation within the volume and a plurality of electrically powered infrared ra...
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WO/1991/017391A1 |
A cooler for particulate material from a combustion plant, especially for cyclone ash form a PFBC power plant, in which the material is transported pneumatically with flue gases as transport means. At the inlet of the cooler there is a s...
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WO/1991/010874A1 |
Process and furnace (10) for producing clinkered cement pellets from pellets for cement-forming batch materials without melting, fusion and agglomeration of said pellets. The furnace comprises an elongate vertical suspension shaft (13) h...
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WO/1991/009261A1 |
This invention discloses a technique for rotating a gas sparger used in a fluidized bed prereduction furnace by arranging revolvable round bars in multiple stages and in a grating-like pattern. This invention makes it possible to prolong...
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WO/1991/008173A1 |
A process for producing alumina is described in which the efficiency of calcination is greatly improved by utilizing a total heat exchange system in which alumina hydrate is heated stepwise in a plurality of heat exchange stages to seque...
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WO/1991/004444A1 |
A method and a device for preheating of a particulate fluidized bed (10). The fluidized bed is supplied with air for fluidization of bed material and for combustion of main fuel, supplied to the fluidized bed, through gas paths (40) comp...
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WO/1991/001799A1 |
The specification discloses a process for heating solid particulate materials. The process comprises entraining the solid particulate materials in a gas to form a stream of gas containing entrained particles and contacting this stream wi...
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WO/1989/012202A1 |
A method of heating matter comprises supplying a gaseous mixture, which is reactable to produce heat, at a temperature above that at which spontaneous ignition occurs to a heating zone such that the gaseous mixture reacts to provide a he...
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WO/1989/011333A1 |
In a fluidized bed reactor, nozzles (11, 111, 211, 311) are provided for distributing fluidizing gas from a windbox (18) into the reactor while preventing the backflow of solid particles through the nozzle into the windbox. The nozzle de...
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WO/1989/008813A1 |
A heat exchanger in the form of a vessel for heat exchange of a pulverulent solid material and a gas, e.g. for preheating raw materials prior to a burning process by use of the hot exit gases fed to the vessel consists of a hollow cylind...
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WO/1989/008225A1 |
A fluid-bed combustion reactor (51) comprising a substantially vertical reactor chamber with a first inlet (9) at the reactor chamber lower portion (52) for the introduction of liquid and/or solid particulate material, and a second inlet...
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WO/1989/003968A1 |
Apparatus is provided for subjecting matter to fluid flow. The apparatus comprises a chamber (10) having an annular fluid inlet (14) beneath a first annular region (22) in the chamber. A second annular region (24) is contiguous with and ...
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WO/1989/000659A1 |
An internal circulation type fluidized bed boiler in which a fluidized bed primary combustion chamber is formed by providing above the portion of an air distributing plate from which the air having a higher mass velocity is ejected an in...
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WO/1988/008884A1 |
This invention relates to an ejector apparatus of a fluidized bed heat-treating furnace for performing heat-treatment of a work A put into a fluidized bed (2) by circulating an exhaust gas at the upper layer portion of a retort (1) drive...
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WO/1988/007164A1 |
A method of attaining a uniform flow in an elongated fluidized bed furnace, used for the purpose of preventing the expansion and uniting of bubbles in the fluidized bed, and setting the fluidized bed in a uniform flow state, so as to kee...
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WO/1988/004018A1 |
A fluidized bed reactor with a housing in special cast steel, in particular for drying sludges that contain combustible substances, has several superimposed square-shaped segments and an outer insulation. To obtain an improved control of...
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WO/1988/002770A1 |
A fluid bed reactor for treatment of refractory materials with a hot fluidizing gas and a method to use same. Both the refractory materials and the fluidizing gas are introduced from the top of the reactor. Unusually high reaction temper...
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WO/1988/002839A1 |
A gas diffusing nozzle device for a fluidized bed furnace having high thermal resistance and durability especially, in a high-temperature environment and capable of being manufactured at a low cost, fluidizing a fluid layer uniformly usi...
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WO/1987/007356A1 |
A fluidized bed reactor includes a reactor chamber, a solids separator and means for returning the separated solids to the reactor chamber. The separator has a separation chamber (7) which comprises a curved upper wall (9) and a lower wa...
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WO/1987/007362A1 |
Process for producing dry metal chips by entraining fluid-containing metal chips (11) in a gas, introducing the gas into a cyclone separator (52) having an internal wall (54) heated to fluid-vaporizing temperature by combustion in a surr...
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WO/1987/003668A1 |
A circulating fluidized bed reactor comprises a vortex chamber (4) for separating solid material from the discharge gases of the reactor. A channel (2), which directs the gases discharge from the reactor, is directed downwards. The main ...
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WO/1986/005481A1 |
A granular, plastic, carbon-containing refractory composition keeping workable for at least two months after the date of supply, for the lining of vessels for liquid steel such as casting ladles and transport ladles, by way of ramming, s...
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WO/1986/003986A1 |
A method and an apparatus for separating solid particles from flue gases in a circulating fluidized bed reactor, in which method the flue gases are led to a cyclon separator (2), wherefrom separated solid particles are discharged and ret...
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WO/1983/000681A1 |
The shaft of the lance comprises a conduit tube (10) with a pulsator for supplying pulses of pressurized air to one end of the conduit tube connected to or mounted in the tube. A space (18) which is defined at least partly by a clamped o...
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WO/1982/002247A1 |
Roller grate method and apparatus for simultaneously transporting, agitating and exchanging heat with a bed of solid mineral particles has elongated cylindrical horizontal rollers (15) (15') (15a') (15b') with gas passage apertures (32) ...
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WO/1982/001239A1 |
The specification describes arrangements in which the attemperation or control of the temperature of a fluidised bed (13) in a fluidised bed combustion unit (10) effected by means of the mixture of a variable proportion of inert gas with...
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WO/1982/000875A1 |
A method for preheating a rotatable fluidizable bed (106) comprises rotating the bed chamber (112) slowly to cause the particles (114) to slowly tumble and mix. During tumbling, one or more burners (150, 160) extending into the chamber (...
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WO/1982/000779A1 |
An improved fluidized bed-type heating reactor, into which a water containing substance such as an uranyl sulfate solution is introduced for heat-treatment. This reactor is provided with a microwave-generating means for applying microwav...
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WO/1982/000701A1 |
A recirculating fluidised bed furnace (Fig. 3) having a combustion chamber (4) operating at a fluidisation velocity of 10 metres per second delivering combustion products to a separating section (10) with the combustion gases flowing ove...
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WO/1981/003437A1 |
A method of continuously burning particles in an air stream having the steps of continuously supplying the particles from the top of a vertical furnace, forming a mixture layer of the particles and the rising burning gas stream while fee...
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WO/1981/002258A1 |
A method and a device, Fig 1, for sealing an opening (15, 8, 10) between two zones in a fluidized bed and/or between the bed and its surrounding (22). In the bed particles (2) are intended to be maintained suspended by means of a carrier...
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WO/1981/000296A1 |
A method for processing various organic materials such as lignocellulosics or biomass into more useful states, such as charcoal, carbon black, and coke, and other processed products while producing useful off-gases, includes feeding aggr...
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WO/1980/002652A1 |
Apparatus for reducing finely divided iron oxide material, comprising a reactor (1) containing a vertical upper reaction chamber (2) connected downwardly to a narrower, vertical reaction chamber (3) A cyclone separator (8) is connected t...
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WO/1979/000794A1 |
A container (1, 11) comprises a bottom (4) which is traversed by air nozzles (3). Air blown through the air nozzles (3) maintains a fluidized bed composed of inert material. Fuel is provided to the fluidized bed after it has reached the ...
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JP2024513725A |
The present invention relates to a fluidized bed reactor (10) and a method for manufacturing the fluidized bed reactor (10), the fluidized bed reactor (10) comprising a distribution bottom (20), a distribution space (25) and a reaction s...
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JP7444533B2 |
To provide a fluidization roasting furnace which can roast roast objects evenly even when a demand for the purity of the roast objects after roasting is high.A fluidization roasting furnace 10 is provided with a cylindrical furnace core ...
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JP2024503184A |
The present application relates to an industrial calcination furnace for particulate materials comprising a calcination vessel and a gas supply system in fluid communication with the calcination vessel, the gas supply system directing a ...
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JP2023552743A |
The present invention is a method for producing silicon-containing materials in a fluidized bed reactor by depositing silicon from at least one silicon precursor into the pores and onto the surface of porous particles, the method compris...
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JP7399376B2 |
To provide a heat treatment apparatus and a heat treatment method capable of performing heat treatment with high thermal efficiency by spontaneous combustion of material to be heat-treated.A heat treatment apparatus provided with a lid h...
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JP2023174348A |
To provide pyrolytic equipment for a treatment object, which is more environmentally friendly in comparison to conventional technique.Pyrolytic equipment includes a pyrolysis mechanism 2 which stores a fluent heating medium 1. The fluent...
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JP7251922B2 |
To provide a fluidization roasting furnace which can roast roast objects evenly even when a demand for the purity of the roast objects after roasting is high.A fluidization roasting furnace 10 is provided with a cylindrical furnace core ...
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JP7251047B2 |
To provide a fluidization roasting furnace which can sufficiently increase a flow rate of gas to fully roast roast objects even when a demand for the purity of the roast objects after roasting is high.A fluidization roasting furnace 10 i...
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JP7200041B2 |
To provide a dispersion board allowing to grasp the damage degree of a heat insulation layer used in a chlorination furnace.A dispersion board 10 is provided to a chlorination furnace for forming a metal chloride by reacting a metal oxid...
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JP7158560B2 |
An arrangement for controlling a flow of solid particles includes a vertical inlet pipe for directing solid particles downwards and having a bottom at a level L0, a first outlet chute and a second outlet chute in particle flow connection...
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JP7117916B2 |
To eliminate excessive addition of the incineration inhibitor when dewatered sludge is incinerated by a fluidized-bed incinerator at 840°C to 900°C, an adding amount of Ca compound acting as incineration agent is adjusted for preventin...
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JP2022112156A |
To provide a flow-heating oven improved in thermal efficiency and a method of heating.A flow-heating oven 100, for regenerating a core sand used for a core, comprises a flow tank 101 that heats the core sand while causing the core sand t...
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