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JPH0914853A |
PURPOSE: To realize a low-cost multi-stage fluidized-bed furnace capable of average improving by increasing the in-furnace resident time of ore with a simple structure. CONSTITUTION: The space on a dispersing plate of a prereducing furna...
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JP2571374B2 |
In a method and apparatus for calcining calcium sulphate dihydrate or like heat sensitive material, in which a bed of the material is heated in a vessel (41) by the direct introduction of a hot gas through a tube (21) extending downwardl...
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JP2571994B2 |
PURPOSE: To obtain a fluidized bed furnace, never producing the stagnated part even when granular ore containing large grain size ore is charged as the material of the furnace, having stability in fluidizing which is hardly precluded and...
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JP2521152Y2 |
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JP2521255Y2 |
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JPH08327246A |
PURPOSE: To complete the starting in a short time without requiring for excess capacity at the time of normal operation or more for a fluidized fluid supply system. CONSTITUTION: The fluidized fluid supply unit 2 of the bottom of a furna...
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JP2519020Y2 |
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JPH08313174A |
To realize an improved and more efficient method and apparatus for feeding reaction gas and solid to a suspension smelting furnace. The apparatus for feeding reaction gas and solids into a suspension smelting furnace comprises at least c...
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JP2555399B2 |
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JP2552657B2 |
A method of calcining in a fluidized reactor wherein fluid petroleum coke is utilized as the reactor fuel. The method of the present invention utilizes fluid coke as the fuel for a calcining reactor. The fluid coke is introduced into the...
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JP2554509B2 |
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JPH08296975A |
PURPOSE: To improve a methanol synthesis efficiency by providing a stock gas reflux line between this side of a methanol synthesis apparatus of a stock gas supply line and an injecting gas supply tube of an injection bed gasifying furnac...
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JP2551518B2 |
PURPOSE: To obtain a fluidized bed system, in which a bed material is directly cooled by a cooling fluid, by directing air and the fluid into a particulate material through nozzles to fluidize and cool the same. CONSTITUTION: A particula...
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JP2549812B2 |
PURPOSE: To provide a burning apparatus for cement clinker capable of uniformly cooling discharged granules to such a temperature as to have no adhesion in a discharge chute and suppressing mixing with particles in the granulating furnac...
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JP2548095B2 |
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JP2547250B2 |
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JPH08261658A |
PURPOSE: To prevent the deposition of treated powder at the root of a partition plate and the peripheral edge of a gas dispersing plate. CONSTITUTION: The space above a gas dispersing plate 25 is partitioned by a partition plate 26, and ...
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JP2536216B2 |
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JP2536212B2 |
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JP2536641B2 |
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JP2536217B2 |
The invention relates to a prereduction furnace of a smelting reduction facility of iron ore consisting of a fluidizing prereduction chamber installed at the upper part of the prereduction furnace into which iron ores are fed and preredu...
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JPH08224462A |
PURPOSE: To obtain a reactor excelling in heat resistance, high temperature strength and the like and capable of continuous, stable operation for a long time by forming the reactor of a carbon base material and also coating the surface e...
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JP2509284Y2 |
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JP2507552Y2 |
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JP2504345Y2 |
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JPH08169707A |
PURPOSE: To obtain material to be activated having high adsorptivity in a short activating time by placing the material in a low-temp. activating gas atmosphere and in a high-temp. activating gas atmosphere alternately and repeatedly. CO...
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JP2506037B2 |
PURPOSE: To provide an apparatus capable of sufficiently diffusing preheated raw material powder in a low-temperature area and leading to a local high- temperature area and making throat diameter large without impairing granulating prope...
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JP2506034B2 |
PURPOSE: To provide an apparatus capable of carrying out the feed of a raw material without coating by blowing a preheated raw material, charged and fed from a cyclone in the lowermost stage constructing a suspension preheater into a gra...
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JP2506033B2 |
PURPOSE: To provide an apparatus for burning a cement clinker capable of fluidizing a granulated material discharged by overflow with blowing air and uniformly cooling the granulated material with hardly any mutual sticking and sticking ...
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JP2501662B2 |
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JP2502976B2 |
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JP2501525B2 |
PURPOSE: To provide a device for discharging particles from a fluidized-bed furnace that can discharge particles in the fluidized-bed furnace continuously and stably, and further can classify exhausted particles. CONSTITUTION: A device d...
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JPH08503292A |
The invention relates to a method and apparatus for cooling the exhaust gases of a molten stage furnace. The method relates to furnace structures in which the shaft (3) is vertical and the exhaust gases are passed through an outlet in th...
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JPH0832577B2 |
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JPH0830636B2 |
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JPH0826380B2 |
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JPH0826381B2 |
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JPH0860215A |
PURPOSE: To simplify the constitution of a fluidized bed furnace for executing pre-reduction in a smelting reduction device for ore and to improve the average pre-reduction ratio of the whole ore. CONSTITUTION: A small diameter cylindric...
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JPH0819514B2 |
A method of forming a surface layer of carbide, nitride, carbonitride, or solid-solution on the surface of a material to be treated, which comprises disposing in a fluidized bed furnace a treating agent comprising a powder of a refractor...
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JPH0815637B2 |
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JPH086231Y2 |
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JPH0834979A |
PURPOSE: To provide a system to separate catalyst particles from a suspension contg. the particles and a reacted hydrocarbon mixture. CONSTITUTION: In a separation system for a suspension contg. catalyst particles and a reacted hydrocarb...
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JPH087028B2 |
The present invention relates to a device for distributing solid pulverulent materials, transported pneumatically, in an annular section of large diameter, in particular for feeding vertical calcining kilns. The device to which the i...
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JPH081291B2 |
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JPH07117203B2 |
Power plant with a fluidized bed combustion chamber (3) in which fuel is burnt in a bed of fluidized particulate material. According to the invention the combustion chamber wall (41) is provided on its inner side with a layer of heat ins...
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JPH07113518B2 |
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JPH07315896A |
PURPOSE: To provide the cement-baking installation capable of utilizing the combustion heat of wastes. CONSTITUTION: A fluidizing baking oven 6 at whose lower part a preheated air-charging port 22 is disposed so as to enable the formatio...
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JPH07111309B2 |
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JPH07104106B2 |
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JPH07104105B2 |
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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