EP1590604A1 - Systeme et procede de combustion gazogene a cendres fondues - Google Patents

Systeme et procede de combustion gazogene a cendres fondues

Info

Publication number
EP1590604A1
EP1590604A1 EP04708071A EP04708071A EP1590604A1 EP 1590604 A1 EP1590604 A1 EP 1590604A1 EP 04708071 A EP04708071 A EP 04708071A EP 04708071 A EP04708071 A EP 04708071A EP 1590604 A1 EP1590604 A1 EP 1590604A1
Authority
EP
European Patent Office
Prior art keywords
fluidized
mixed gas
furnace
slagging combustion
gasification furnace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04708071A
Other languages
German (de)
English (en)
Inventor
Ryuichi c/o Ebara Corporation ISHIKAWA
Chikao c/o Ebara Corporation GOKE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ebara Corp
Original Assignee
Ebara Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ebara Corp filed Critical Ebara Corp
Publication of EP1590604A1 publication Critical patent/EP1590604A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/006—General arrangement of incineration plant, e.g. flow sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/30—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a fluidised bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/30—Pyrolysing
    • F23G2201/303—Burning pyrogases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00—Combustion
    • F23G2202/10—Combustion in two or more stages
    • F23G2202/104—Combustion in two or more stages with ash melting stage

Definitions

  • the present invention relates to a gasification and slagging combustion system for treating wastes such as municipal wastes, refuse-derived fuel (RDF), waste plastics, waste fiber-reinforced plastics (waste FRP), biomass wastes, automobile wastes, and waste oil. More particularly, the present invention relates to a gas treatment apparatus and method for treating a combustible gas which leaks through an incombustible discharge line provided at a furnace bottom of a fluidized-bed gasification furnace as a first stage of a gasification and slagging combustion system.
  • wastes such as municipal wastes, refuse-derived fuel (RDF), waste plastics, waste fiber-reinforced plastics (waste FRP), biomass wastes, automobile wastes, and waste oil. More particularly, the present invention relates to a gas treatment apparatus and method for treating a combustible gas which leaks through an incombustible discharge line provided at a furnace bottom of a fluidized-bed gasification furnace as a first stage of a gasification and s
  • FIG. 1 shows a conventional fluidized-bed gasification furnace 11.
  • the fluidized-bed gasification furnace 11 has an air diffuser plate disposed on a bottom 11a of the furnace.
  • Combustion air B for partial combustion is supplied from the furnace bottom 11a to form a fluidized bed of a fluidized medium P above the air diffuser plate.
  • Wastes A are supplied into the fluidized-bed gasification furnace 11 and fall into the fluidized bed.
  • the wastes A are brought into contact with a fluidized medium P heated to 450 to 750°C and combustion air B, and immediately pyrolyzed to produce a combustible gas (containing combustible components), tar, and char.
  • the gas and gaseous tar produced by the pyrolysis are accompanied with fine particles of char and discharged from a discharge duct 1 lb provided at an upper portion of the fluidized-bed gasification furnace 11.
  • Char having a large particle diameter which is produced by the pyrolysis, is pulverized by active turbulent movement of a fluidized medium in the fluidized bed and partial combustion, and discharged from the discharge duct l ib together with the gas and tar.
  • Incombustibles contained in the wastes, such as iron, aluminum, copper, and debris are discharged together with the fluidized medium P from the furnace bottom 11a through a chute 12 and delivered to an incombustible treatment facility.
  • a conventional incombustible treatment facility has an incombustible discharging device 21, a vibrating screen 23, a sand elevator 24, and a sand feed valve 25.
  • a mixture of the incombustibles and the fluidized medium, which has been discharged from the bottom 11a of the fluidized-bed gasification furnace 11, is delivered through the chute 12 into the incombustible discharging device 21 and further delivered to the vibrating screen 23 by the incombustible discharging device 21.
  • the vibrating screen 23 separates the mixture into incombustibles having a large particle diameter and a fluidized medium having a small particle diameter.
  • the separated fluidized medium is delivered in a vertical direction by the sand elevator 24 and returned through the sand feed valve 25 to the fluidized-bed gasification furnace 11.
  • the separated incombustibles having a large size, such as iron, aluminum, copper, and debris, are discharged from the vibrating screen 23.
  • Valuable materials such as metal are recovered from the discharged incombustibles, and the rest of the incombustibles are landfilled.
  • a freeboard l ie of the fluidized-bed gasification furnace 11 is maintained under a negative pressure of about several tens of mm H 2 0.
  • pressure loss is produced in a vertical direction of the fluidized bed, so that the pressure of the furnace bottom 11a becomes a positive pressure. Therefore, in order to prevent the combustible gas from leaking out of the system, it has been practiced to fill the chute 12 and the incombustible discharging device 21 with a mixture of a fluidized medium and incombustibles so as to provide material sealing effects.
  • a mechanical sealing device such as a double damper may additionally be provided between the incombustible discharging device 21 and the vibrating screen 23 to prevent leakage of the combustible gas more reliably.
  • a mechanical sealing device such as a double damper may additionally be provided between the incombustible discharging device 21 and the vibrating screen 23 to prevent leakage of the combustible gas more reliably.
  • the present invention has been made in view of the above drawbacks. It is, therefore, an object of the present invention to provide a gasification and slagging combustion system and method which can prevent a combustible gas discharged from a furnace bottom of a fluidized-bed gasification furnace through an incombustible discharging device from being released to an atmosphere and properly treat the combustible gas.
  • a gasification and slagging combustion system having a fluidized-bed gasification furnace for gasifying wastes and a slagging combustion furnace for combusting and melting a product produced by the fluidized-bed gasification furnace.
  • the gasification and slagging combustion system includes an incombustible discharging device for delivering an incombustible contained in the wastes from the fluidized-bed gasification furnace together with a fluidized medium, and a mixed gas drawing device for drawing air from an atmosphere and a combustible gas which has leaked from the fluidized-bed gasification furnace through the incombustible discharging device so as to form a mixed gas of the combustible gas and the air.
  • the gasification and slagging combustion system also includes a combustion air supply device for supplying combustion air of wastes to the fluidized-bed gasification furnace and the slagging combustion furnace, and a mixed gas delivery passage for supplying the mixed gas from the mixed gas drawing device through the combustion air supply device to at least one of the fluidized-bed gasification furnace and the slagging combustion furnace.
  • the gasification and slagging combustion system has a combustion air supply device for supplying a mixed gas containing a combustible gas to at least one of a fluidized-bed gasification furnace and a slagging combustion furnace, and a mixed gas delivery passage for supplying the mixed gas to the combustion air supply device. Accordingly, the amount of combustible gas to be released to an atmosphere can be minimized, and thus the combustible gas can properly be treated.
  • a gasification and slagging combustion system having a fluidized-bed gasification furnace for gasifying wastes and a slagging combustion furnace for combusting and melting a product produced by the fluidized-bed gasification furnace.
  • the gasification and slagging combustion system includes an incombustible discharging device for delivering an incombustible contained in the wastes from the fluidized-bed gasification furnace together with a fluidized medium, and a mixed gas drawing device for drawing air from an atmosphere and a combustible gas which has leaked from the fluidized-bed gasification furnace through the incombustible discharging device so as to form a mixed gas of the combustible gas and the air.
  • the gasification and slagging combustion system also includes a mixed gas supply passage for supplying the mixed gas from the mixed gas drawing device to at least one of the fluidized-bed gasification furnace and the slagging combustion furnace.
  • a mixed gas containing a combustible gas can be introduced into at least one of a fluidized-bed gasification furnace and a slagging combustion furnace. Accordingly, the amount of combustible gas to be released to an atmosphere can be minimized, and thus the combustible gas can properly be treated.
  • the gasification and slagging combustion system may have a dust collector for removing dust from the mixed gas.
  • the dust collector be located upstream of the mixed gas drawing device.
  • the mixed gas drawing device may comprise a blower.
  • the mixed gas containing the combustible gas can safely be treated in the gasification and slagging combustion system. This arrangement is suitable for a case in which a combustible gas to be treated contains a trace of toxic components.
  • Wastes are gasified in a fluidized-bed gasification furnace.
  • a product which is produced in the fluidized-bed gasification furnace, is combusted and melted in a slagging combustion furnace.
  • An incombustible contained in the wastes is discharged from the fluidized-bed gasification furnace together with a fluidized medium.
  • a combustible gas which leaks from the fluidized-bed gasification furnace is drawn together with air from an atmosphere so as to form a mixed gas of the combustible gas and the air.
  • the mixed gas is supplied together with combustion air of wastes to at least one of the fluidized-bed gasification furnace and the slagging combustion furnace.
  • the mixed gas containing the combustible gas, which has been treated is supplied to at least one of the fluidized-bed gasification furnace and the slagging combustion furnace. Accordingly, the amount of combustible gas to be released to an atmosphere can be minimized, and thus the combustible gas can properly be treated.
  • This method is suitable for a case in which a combustible gas to be treated contains a trace of toxic components.
  • a gasification and slagging combustion method Wastes are gasified in a fluidized-bed gasification furnace.
  • a product which is produced in the fluidized-bed gasification furnace, is combusted and melted in a slagging combustion furnace.
  • An incombustible contained in the wastes is discharged from the fluidized-bed gasification furnace together with a fluidized medium.
  • a combustible gas which leaks from the fluidized-bed gasification furnace is drawn together with air from an atmosphere so as to form a mixed gas of the combustible gas and the air.
  • the mixed gas is supplied to at least one of the fluidized-bed gasification furnace and the slagging combustion furnace.
  • the mixed gas containing the combustible gas, which has been treated is supplied to at least one of the fluidized-bed gasification furnace and the slagging combustion furnace. Accordingly, the amount of combustible gas to be released to an atmosphere can be minimized, and thus the combustible gas can properly be treated.
  • This method is suitable for a case in which a combustible gas to be treated contains a trace of toxic components. Dust may be removed from the mixed gas. In this case, since dust can be removed from the mixed gas by a dust collector or the like, it is possible to prevent troubles regarding dust in the mixed gas drawing device such as a blower and perform gasification and slagging combustion stably for a long term.
  • FIG. 1 is a block diagram showing a conventional fluidized-bed gasification furnace having an incombustible treatment facility
  • FIG. 2 is a block diagram showing a gasification and slagging combustion system according to a first embodiment of the present invention
  • FIG. 3 is a block diagram showing a gasification and slagging combustion system according to a second embodiment of the present invention.
  • FIGS. 2 and 3 A gasification and slagging combustion system according to embodiments of the present invention will be described below with reference to FIGS. 2 and 3. Like or corresponding parts are designated by the same reference numerals throughout the drawings and will not be described repetitively.
  • FIG. 2 is a block diagram showing a gasification and slagging combustion system according to a first embodiment of the present invention.
  • the gasification and slagging combustion system has a fluidized-bed gasification furnace 11 for gasifying wastes A to produce a combustible gas, tar, and char, and a swirling-type slagging combustion furnace 31 for combusting and melting the combustible gas and tar produced by the fluidized-bed gasification furnace 11.
  • the fluidized-bed gasification furnace 11 has a discharge duct l ib provided at an upper portion thereof, and the discharge duct is connected to the slagging combustion furnace 31.
  • the slagging combustion furnace 31 has a primary combustion chamber 31a, a secondary combustion chamber 31b, and a tertiary combustion chamber 31c.
  • the gasification and slagging combustion system also has an incombustible treatment facility including an incombustible discharging device 21, a vibrating screen 23, a sand elevator 24, a • sand feed valve 25, and an air supply passage 26 for drawing air from an atmosphere.
  • Wastes A to be treated are supplied into the fluidized-bed gasification furnace 11 and pyrolyzed into a combustible gas, tar, and char in the fluidized bed maintained at 450 to 750°C.
  • Valuable materials such as iron and aluminum are separated and recovered from the incombustibles having a large particle diameter by a recovery device. The rest of the incombustibles are landfilled.
  • the fluidized medium having a small particle diameter is delivered upward in a vertical direction by the sand elevator 24 and returned through the sand feed valve 25 to the fluidized-bed gasification furnace 11.
  • the separated fluidized medium is reused as a fluidized medium.
  • a freeboard l ie of the fluidized-bed gasification furnace 11 is normally maintained under a negative pressure of about several tens of mm H 2 0.
  • a fluidized medium is fluidized in the fluidized-bed gasification furnace 11
  • pressure loss is produced in a vertical direction of the fluidized bed. Accordingly, the fluidized-bed gasification furnace 11 is operated so as to have a positive pressure of about 1500 mm H 2 O at the furnace bottom 1 la.
  • the chute 12 and/or the incombustible discharging device 21 are filled with a mixture of a fluidized medium and incombustibles so as to provide material sealing effects.
  • complete sealing effects cannot be obtained by such material sealing, and thus a small amount of combustible gas would unavoidably leak to an atmosphere.
  • the gasification and slagging combustion system has a gas treatment apparatus 1 for treating the leaked combustible gas, which has a trace of toxic components, mixed with a large amount of air drawn from an atmosphere.
  • the gas treatment apparatus 1 treats a mixed gas of a combustible gas discharged from the bottom 11a of the fluidized-bed gasification furnace 11 through the chute 12 and the incombustible discharging device 21, and a large amount of air.
  • the gasification and slagging combustion system also has a mixed gas delivery passage 65 for introducing the mixed gas, which contains a combustible gas, treated by the gas treatment apparatus 1.
  • the gas treatment apparatus 1 has a bag filter lb as a dust collector for removing dust from the mixed gas and a blower la as a mixed gas drawing device for drawing a combustible gas from the incombustible discharging device 21 and air from an atmosphere.
  • the bag filter lb is provided upstream of the blower la.
  • a line 61 is connected to an upper portion of the incombustible discharging device 21, and a line 62 is connected to a chute upstream of the vibrating screen 23.
  • the sand elevator 24 has a suction port 24a provided at an upper portion thereof, and the suction port 24a is connected to a line 63.
  • the lines 61, 62, and 63 are joined to a line 64, which is connected to the bag filter lb of the gas treatment apparatus 1. With these lines, a mixed gas of a combustible gas discharged from the fluidized-bed gasification furnace 11 and air is introduced into the gas treatment apparatus 1. With the above arrangement, it is possible to concentrate the combustible gas without leaking out of the system.
  • Points from which the combustible gas is drawn are not limited to the illustrate example, and the combustible gas can be drawn from any points in the system as long as the combustible gas can be prevented from leaking out of the system. It is desirable and effective to draw the combustible gas near the incombustible discharging device 21 because the vicinity of the incombustible discharging device 21 has a high concentration of the combustible gas.
  • Air is introduced from an atmosphere through the air supply passage 26 and the vibrating screen 23 into the line 62 to dilute a combustible gas to be drawn.
  • a drawn combustible gas is diluted by a large amount of air so as to maintain the mixed gas within an explosion limit.
  • the mixed gas of the diluted combustible gas and air is supplied into the bag filter lb. After removal of dust by the bag filter lb, the mixed gas is introduced into the blower la.
  • the amount of air to be supplied into the line 62 should preferably be at least two times the amount of the leaked combustible gas, more preferably at least five times the amount of the leaked combustible gas.
  • the amount of air to be supplied is at least two times the amount of the leaked combustible gas, the combustible gas can substantially reliably be prevented from leaking out of the system.
  • the amount of air to be supplied is excessively small, then the temperature of the mixed gas is increased.
  • the temperature of the combustible gas may be increased beyond an explosion limit to thereby cause explosion of the combustible gas by an ignition source. Therefore, a sufficient amount of air having a low temperature is required to be supplied so as to dilute the combustible gas sufficiently.
  • the amount of air to be supplied is at least five times the amount of the leaked combustible gas, leakage of the combustible gas can further reliably be prevented.
  • the mixed gas of the combustible gas and a large amount of air, which is drawn by the blower la, is supplied through the mixed gas delivery passage (pipe) 65 to a first suction line 51 and a second suction line 53, respectively.
  • the first suction line 51 is connected to a fluidizing blower 41 (combustion air supply device) for supplying air to the fluidized-bed gasification furnace 11.
  • the second suction line 53 is connected to a secondary fan 42 (combustion air supply device) for supplying air to the slagging combustion furnace 31.
  • the fluidizing blower 41 and the secondary fan 42 draw air from waste pits. Thus, air having an unpleasant odor in the waste pits is prevented from leaking out of the system.
  • the mixed gas is mixed with air from the waste pits and then introduced through the first suction line 51 and the second suction line 53 into the fluidized-bed gasification furnace 11 and the slagging combustion furnace 31, respectively.
  • the combustible gas which has leaked from the gasification furnace 11 is combusted at high temperatures in the fluidized-bed gasification furnace 11 and the slagging combustion furnace 31. Therefore, even if the combustible gas contains organic toxic components, the organic toxic components can completely be oxidized and decomposed in the fluidized-bed gasification furnace 11 and the slagging combustion furnace 31.
  • the mixed gas delivery passage 65 is connected to both of the first suction line 51 for the fluidizing blower 41 and the second suction line 53 for the secondary fan 42.
  • the mixed gas delivery passage 65 may be connected to either one of the first suction line 51 for the fluidizing blower 41 and the second suction line 53 for the secondary fan 42.
  • the mixed gas delivery passage 65 may bypass the blower 41 and fan 42 and may be connected directly to the fluidized-bed gasification furnace 11 and/or the slagging combustion furnace 31 to supply the mixed gas directly into the fluidized-bed gasification furnace 11 and/or the slagging combustion furnace 31.
  • FIG. 3 is a block diagram showing a gasification and slagging combustion system according to a second embodiment of the present invention.
  • the gasification and slagging combustion system has a double damper 22 as a mechanical sealing device located between an incombustible discharging device 21 and a vibrating screen 23.
  • a line 62 is connected to a location downstream of the double damper 22 and upstream of the vibrating screen 23.
  • a combustible gas and air are drawn through the line 62 to a bag filter lb. In this case, it is not necessary to draw from the incombustible discharging device 21.
  • Other structures are the same as those shown in FG. 2.
  • a mechanical sealing device such as a double damper
  • the amount of leaked combustible gas can be reduced.
  • the produced combustible gas has a high concentration of combustible components. Therefore, such a mechanical sealing device is suitable in cases where wastes having high heating values are treated.
  • a triple damper or a sealing device having a plurality of gate valves may be employed as a mechanical sealing device.
  • the gasification and slagging combustion system has a gas treatment apparatus for treating a mixed gas containing a combustible gas, which leaks from a fluidized-bed gasification furnace through an incombustible discharging device, and air drawn from an atmosphere.
  • the mixed gas drawn by a blower of the gas treatment apparatus is mixed with combustion air to be supplied to the fluidized-bed gasification furnace, or with combustion air to be supplied to a slagging combustion furnace.
  • the mixed gas is introduced directly into at least one of the fluidized-bed gasification furnace and the slagging combustion furnace.
  • the leaked combustible gas can effectively be treated in a proper manner.
  • the mixed gas since the mixed gas is allowed to pass through a high-temperature combustion region in the slagging combustion furnace, a trace of toxic components can be oxidized and decomposed.
  • a gasification and slagging combustion system has a combustion air supply device for supplying a mixed gas containing a combustible gas to at least one of a fluidized-bed gasification furnace and a slagging combustion furnace, and a mixed gas delivery passage for supplying the mixed gas to the combustion air supply device. Accordingly, the amount of combustible gas to be released to an atmosphere can be minimized, and thus the combustible gas can properly be treated.
  • the present invention is suitable for use in a gasification and slagging combustion system for treating wastes such as municipal wastes, refuse-derived fuel (RDF), waste plastics, waste fiber-reinforced plastics (waste FRP), biomass wastes, automobile wastes, and waste oil.
  • wastes such as municipal wastes, refuse-derived fuel (RDF), waste plastics, waste fiber-reinforced plastics (waste FRP), biomass wastes, automobile wastes, and waste oil.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne un système de combustion gazogène à cendres fondues comportant un foyer gazogène à lit fluidisé (11) permettant de gazéifier les déchets (A) et un foyer de combustion à cendres fondues (31) pour la combustion et la fusion d'un produit du foyer gazogène (11). Le système de combustion gazogène à cendres fondues comporte un dispositif de décharge d'incombustibles (21) servant à délivrer des incombustibles contenus dans les déchets (A) provenant du foyer gazogène (11), et une soufflante (1a) organisant le tirage d'air et d'un gaz combustible qui s'est échappé du foyer gazogène (11) par le dispositif de décharge d'incombustibles (21) de façon à former un mélange gazeux de gaz combustible de fuite et d'air. Le système de combustion gazogène à cendres fondues comporte également des soufflantes (41, 42) servant à alimenter en air et mélange gazeux le foyer gazogène (11) ainsi que le foyer de combustion à cendres fondues (31), suivant le cas, et un passage de fourniture de mélange gazeux (65) servant à faire parvenir aux soufflantes (41, 42) le mélange gazeux de la soufflante (1a).
EP04708071A 2003-02-07 2004-02-04 Systeme et procede de combustion gazogene a cendres fondues Withdrawn EP1590604A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003030339A JP3913684B2 (ja) 2003-02-07 2003-02-07 廃棄物のガス化溶融システム
JP2003030339 2003-02-07
PCT/JP2004/001142 WO2004070271A1 (fr) 2003-02-07 2004-02-04 Systeme et procede de combustion gazogene a cendres fondues

Publications (1)

Publication Number Publication Date
EP1590604A1 true EP1590604A1 (fr) 2005-11-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04708071A Withdrawn EP1590604A1 (fr) 2003-02-07 2004-02-04 Systeme et procede de combustion gazogene a cendres fondues

Country Status (5)

Country Link
EP (1) EP1590604A1 (fr)
JP (1) JP3913684B2 (fr)
KR (1) KR101044421B1 (fr)
TW (1) TW200424480A (fr)
WO (1) WO2004070271A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100792134B1 (ko) * 2006-01-04 2008-01-04 주식회사 엘지화학 액정 배향용 조성물, 이로 제조된 액정 배향막, 및 이를포함하는 액정 디스플레이
WO2009025346A1 (fr) * 2007-08-22 2009-02-26 Rohm Co., Ltd. Dispositif de conservation de données
JP5802070B2 (ja) * 2011-06-30 2015-10-28 川崎重工業株式会社 流動床式ガス化溶融設備の集塵装置
JP5778069B2 (ja) * 2012-03-30 2015-09-16 株式会社神鋼環境ソリューション 流動床式ガス化炉への流動粒子供給装置

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Publication number Priority date Publication date Assignee Title
JP3153091B2 (ja) * 1994-03-10 2001-04-03 株式会社荏原製作所 廃棄物の処理方法及びガス化及び熔融燃焼装置
JPS617781Y2 (fr) * 1980-02-19 1986-03-10
JPS6038329U (ja) * 1983-08-17 1985-03-16 石川島播磨重工業株式会社 流動炉の処理残渣排出口構造
JPH04177015A (ja) * 1990-11-08 1992-06-24 Nkk Corp 流動床式廃棄物焼却プラントの灰処理方法
JP3905619B2 (ja) * 1997-11-21 2007-04-18 月島機械株式会社 廃棄物の熱分解炉および該熱分解炉を備えた廃棄物の処理装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004070271A1 *

Also Published As

Publication number Publication date
TW200424480A (en) 2004-11-16
KR101044421B1 (ko) 2011-06-27
WO2004070271A1 (fr) 2004-08-19
KR20050097991A (ko) 2005-10-10
JP2004263886A (ja) 2004-09-24
JP3913684B2 (ja) 2007-05-09

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