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JP3686227B2 |
To improve the reliability of a whole boiler by setting up the angle of discharging from the side of a seal pot to a cold recycle line at specific angle so that particles drop by gravity, and the angle of the path part to an external hea...
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JP2005207643A |
To provide a circulating fluidized-bed furnace and its operation method capable of stably performing the combustion and/or gasifying treatment even in continuous operation without increasing equipment cost, even when a tar decomposition ...
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JP2005147586A |
To easily extract a non-fluid foreign body without stopping operation even if the non-fluid foreign body is mixed in a seal box.A sand circulating duct 15 having a sand separator 14 in an upper part is provided outside a furnace 1 formed...
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JP2005061654A |
To prevent the generation of clogging in a return pipe due to a fixing phenomenon, while preventing blow of the fluidizing gas from a fluidized bed through the return pipe.This circulation fluidized bed furnace is provided with the fluid...
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JP3625818B2 |
To provide a fluidized-bed furnace as a combined furnace consisting of a gasifying furnace and an oxidizing furnace formed in one unit. The fluidized-bed furnace is partitioned into the gasifying furnace and the oxidizing furnace with a ...
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JP3611597B2 |
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JP3608697B2 |
To use part of the air heated by a regenerative burner as fluidizing air and to simultaneously use the residual air as for combustion air of the burner. In the case of alternately burning first and second regenerative burners 11, 12, the...
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JP3608695B2 |
To improve temperature fluctuation and temperature control while enhancing thermal efficiency by employing a regenerative burner capable of highly efficient heating, and a gas preheater for fluidization. A refractory container 12 in a fu...
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JP3597236B2 |
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JP2004330052A |
To provide a circulation fluidized bed lengthening a staying time of a solid by forcedly making a rotation flow in a horizontal direction in a riser part.The circulation fluidized bed is provided with the riser part in which a solid part...
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JP2004309112A |
To provide an ash melting treatment apparatus capable of efficiently carrying out melting treatment of a large quantity of ashes.This ash melting treatment apparatus provided with a vertical type turning melting furnace is provided with ...
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JP2004309125A |
To provide a heat treatment furnace improved in heat treatment quality while reducing a heat energy loss compared to a conventional one to make effective use of heat.In this rotary heat treatment furnace 3, a powder and granular material...
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JP3568436B2 |
To provide a method and apparatus for sintering granular aggregate, capable of obtaining granular aggregate having high strength by reduced heat energy. A straight pipe-like sintering part 4 connected to furnace bottom 8 of a fluidized f...
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JP3564140B2 |
PCT No. PCT/AT95/00123 Sec. 371 Date Jan. 15, 1997 Sec. 102(e) Date Jan. 15, 1997 PCT Filed Jun. 20, 1995 PCT Pub. No. WO96/00304 PCT Pub. Date Jan. 4, 1996A direct reduction process is disclosed for iron-oxide-containing materials. Synt...
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JP3559870B2 |
To provide a method and an apparatus for temperature measurement, where the temperature of a measuring object in a fluidized-bed furnace can be measured at low costs and with proper accuracy. At temperature measurement in the fluidized-b...
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JP3553499B2 |
The invention relates to a method for heat-treating fine-grained materials which tend to agglomerate at high temperatures and which have an average grain size of preferably 0 to 1000 mum within temperature ranges around and above the agg...
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JP3548994B2 |
To stably keep a fluidized bed temperature and a melting furnace temperature and to realize stable gasification and stable melting, in gasification melting of refuse. In a gasification melting treatment plant having a fluidized bed gasif...
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JP3549911B2 |
Export gas from the preheating zone (2), possibly with an addition of reduction gas from the reduction zone (18), is used for production of hot-briquetted iron. Fine ore is preheated in a preheating zone, then largely reduced at least in...
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JP3550083B2 |
To economically use iron ores partly containing fine ores and the flux by using untreated coal as a carbon carrier in the case of manufacturing pre-stage products of the molten pig iron or molten steel from the charged substances partly ...
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JP2004212032A |
To provide a fluidized bed gasification furnace with superior sealing performance capable of smoothly moving a bed material including noncombustibles downward without stagnation from a fluidized bed part through a noncombustible discharg...
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JP2004204330A |
To provide a heat-treating furnace with which the heat-treatment of a metal to be heated such as aluminum alloy, is efficiently performed.This furnace 21 has an upper and lower two step layer structure and the upper layer is used for hot...
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JP2004204294A |
To obtain high purity iron, in a technique for producing iron from iron carbide.Reaction furnaces are constituted of two furnaces, and iron carbide and steam are supplied and reacted in a first reaction furnace 14, and flammable gas cont...
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JP2004205066A |
To provide a heat treating apparatus having high heat treating efficiency by uniformizing temperature distribution in a fluidized bed furnace.Temperature measuring instruments 11-1 and 11-2 are installed at a furnace center part and near...
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JP3544953B2 |
To provide a method and an apparatus in which a combustible such as waste and coal is gasified, and ash fraction produces product gas involving much meltable combustible with the aid of self heat for melting and combustion. A gasifying f...
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JP2004521305A |
The present invention relates to an arrangement and method that help to reduce the build-up formed on the grate of a fluidized-bed furnace in the roasting of fine-grained material such as concentrate. The concentrate is fed into the roas...
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JP2004198011A |
To provide a fluidized bed reactor capable of quickly starting because of a small heat capacity thereof and having an advantage in that heat radiation loss is small or the like.A reactor main body 10 for forming a high-temperature fluidi...
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JP3541841B2 |
To provide a fluidizing treatment equipment for powdery material in which enables a stable operation for a long time with a small pressure loss of a dispersion plate without fall of a powdery material and clogging. In the fluidizing trea...
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JP2004183948A |
To provide a bed material recovering apparatus allowing the easy inspection operation thereof.This bed material recovering apparatus comprises a hopper 51 for accepting bed material in a pressure fluidized furnace 2 and a dust collecting...
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JP2004183949A |
To provide a heat treating apparatus having excellent economic efficiency.This heat treating apparatus comprises a pressure container 51 to which compressed air A is supplied, a fluidized bed furnace 2 installed in the pressure container...
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JP3538168B2 |
To provide a combustion air intake apparatus in a large scale refuse incineration plant wherein combustion in the incinerator is ensured safely, and which contributes to the promotion of removal of harmful components exhausted from a smo...
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JP2004162946A |
To surely and smoothly discharge a fluid medium of a fluid bed.In this fluid bed having a vertical extracting part 10 for discharging the fluid medium S in the bed from a discharge port 15 formed at a lower part, the extracting part 10 h...
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JP3535835B2 |
To perform stable combustion of waste and excellent and easy extraction of noncombustible, in a fluidized bed incinerator. In a circulation type fluidized bed type incinerator comprising a furnace body 1 having a fluidized bed and a comb...
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JP2004138378A |
To provide a noncombustible extraction system capable of extracting a noncombustible material by increasing the noncombustible concentration of a mixture of a flowing medium and the noncombustible material.This noncombustible extraction ...
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JP2004132567A |
To provide a combustion furnace capable of burning the plant grain material such as tofu refuse, rice hulls, coffee grounds, tea grounds and sawdust as evenly as possible, and to miniaturize the furnace as much as possible.This combustio...
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JP2004508529A |
A method and apparatus for the debonding and sand core removal of sand cores from cast parts, the heat treating of metal parts and the removal of organic contamination from metal parts, which is utilizing a fluid bed furnace having an im...
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JP3506690B2 |
A fluidized bed reduction reactor (100) for supplying a reduced iron to a melter-gasifier (1) of a smelting reduction system includes an exhaust gas supply unit (3) for supplying an exhaust gas to a reduction gas supply tube (4) intercon...
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JP2004044877A |
To efficiently and economically recover ash content by suppressing decomposition of calcium carbonate to be a main component of a filler, while improving whiteness by promoting decomposition and combustion of sufficient organic component...
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JP3488677B2 |
To provide a new fluidized bed furnace suitable for the use of a high-temperature large-diameter fluidized bed furnace, of light-weight, having excellent strength properties and positively making use of a nonfluidic bulk material as a pr...
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JP2004501283A |
In a process for the gas reduction of particulate oxide-containing ores, in particular iron-oxide-containing material, in the fluidized-bed process at a pressure of <5 bars, wherein the ore by aid of a reducing gas produced from coal is ...
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JP3485891B2 |
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 introducing fluidizing gas into the heat transfer c...
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JP3482176B2 |
To aim at the higher efficiency of a circulation type fluidized bed boiler by improving the performance of a cyclone without increasing an installation area. The circulation type fluidized bed boiler 1 is provided with an external circul...
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JP3473753B2 |
To minimize the installation space of a flat panel by eliminating the installation space for the moving component of an arm in carrying out the angle regulation of the flat panel. The flat panel display device to be disclosed is provided...
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JP2003336967A |
To solve the problem that discharge is imperfect when discharging from a discharge port provided in a side surface of a drying chamber in the case of horizontally locating a rectifier plate of a batch type flowing layer dryer and that th...
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JP3465708B1 |
The invention provides an apparatus and a method for treating powdery waste by heating at high heating efficiency and without inducing problem of adhesion of powdery waste to the peripheral wall surface of the apparatus. The apparatus an...
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JP3461671B2 |
To provide an alternating combustion fluidized bed furnace which is designed to incinerate or dry refuse or the like by forcing a heat storage body to flow wholly or partially. Ceramic-made balls, which form heat storage bodies 16 and 17...
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JP2003301216A |
To provide a continuous heat treatment furnace, which increases a heating rate, and reduces fluctuation of temperature, and continuously performs solution treatment and aging treatment at higher temperatures.The continuous heat treatment...
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JP3457657B2 |
A smelting reduction apparatus which separates exhaust gas, which is exhausted from a melter-gasifier or a fluidized bed reactor, into dusts and reducing gas to supply them to each fluidized bed reactor respectively is disclosed, in whic...
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JP3453347B2 |
To provide a circulated fluidized bed combustion furnace capable of restricting and preventing the generation of dioxins or the like. The circulated fluidized bed combustion furnace is constituted of a combustor 11, forming a high speed ...
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JP3448591B2 |
To provide a fluidized bed type firing apparatus for which waste plastics are usable as an inexpensive fuel, and a firing method. The apparatus 1 for executing firing of raw materials by feeding the raw materials, such as limestone and d...
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JP2003262474A |
To provide equipment effectively and economically processing powdered charge including metal in the equipment having two chemical and industrial furnaces, guiding, at least, a part of furnace gas taken out from a first furnace to a secon...
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