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WO2009038849A3 - Combustion étagée à faible vitesse pour le contrôle de l'atmosphère d'un four - Google Patents

Combustion étagée à faible vitesse pour le contrôle de l'atmosphère d'un four Download PDF

Info

Publication number
WO2009038849A3
WO2009038849A3 PCT/US2008/067456 US2008067456W WO2009038849A3 WO 2009038849 A3 WO2009038849 A3 WO 2009038849A3 US 2008067456 W US2008067456 W US 2008067456W WO 2009038849 A3 WO2009038849 A3 WO 2009038849A3
Authority
WO
WIPO (PCT)
Prior art keywords
low velocity
staged combustion
furnace atmosphere
atmosphere control
combustion
Prior art date
Application number
PCT/US2008/067456
Other languages
English (en)
Other versions
WO2009038849A2 (fr
Inventor
Hisashi Kobayashi
Original Assignee
Praxair Technology Inc
Hisashi Kobayashi
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 Praxair Technology Inc, Hisashi Kobayashi filed Critical Praxair Technology Inc
Priority to EP08832671A priority Critical patent/EP2167873A2/fr
Priority to CA2694258A priority patent/CA2694258A1/fr
Priority to BRPI0813366-2A2A priority patent/BRPI0813366A2/pt
Priority to JP2010514987A priority patent/JP2010532461A/ja
Priority to MX2009013787A priority patent/MX2009013787A/es
Priority to CN200880022683A priority patent/CN101688662A/zh
Publication of WO2009038849A2 publication Critical patent/WO2009038849A2/fr
Publication of WO2009038849A3 publication Critical patent/WO2009038849A3/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/235—Heating the glass
    • C03B5/2353—Heating the glass by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C21B11/08—Making pig-iron other than in blast furnaces in hearth-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00—Obtaining aluminium
    • C22B21/0084—Obtaining aluminium melting and handling molten aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/006—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with use of an inert protective material including the use of an inert gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
    • F23C6/045—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with staged combustion in a single enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/22—Arrangements of air or gas supply devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
    • F27B9/045—Furnaces with controlled atmosphere
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2211/00—Heating processes for glass melting in glass melting furnaces
    • C03B2211/30—Heating processes for glass melting in glass melting furnaces introducing oxygen into the glass melting furnace separately from the fuel
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2211/00—Heating processes for glass melting in glass melting furnaces
    • C03B2211/40—Heating processes for glass melting in glass melting furnaces using oxy-fuel burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/06041—Staged supply of oxidant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/32—Technologies related to metal processing using renewable energy sources
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Combustion & Propulsion (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)
  • Furnace Details (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

L'invention concerne un procédé de combustion étagée amélioré utile avec la combustion d'oxygène et de gaz et dans un four qui contient une charge, dans lequel une combustion sous-stœchiométrique et une injection à faible vitesse de combustible et d'un oxydant principal et secondaire sont effectuées suivant une orientation qui forme une atmosphère réductrice à proximité de la surface de la charge.
PCT/US2008/067456 2007-06-29 2008-06-19 Combustion étagée à faible vitesse pour le contrôle de l'atmosphère d'un four WO2009038849A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP08832671A EP2167873A2 (fr) 2007-06-29 2008-06-19 Combustion étagée à faible vitesse pour le contrôle de l'atmosphère d'un four
CA2694258A CA2694258A1 (fr) 2007-06-29 2008-06-19 Combustion etagee a faible vitesse pour le controle de l'atmosphere d'un four
BRPI0813366-2A2A BRPI0813366A2 (pt) 2007-06-29 2008-06-19 Método para executar uma combustão.
JP2010514987A JP2010532461A (ja) 2007-06-29 2008-06-19 炉の雰囲気制御のための低速多段燃焼
MX2009013787A MX2009013787A (es) 2007-06-29 2008-06-19 Combustion por etapas de baja velocidad para control de atmosfera de horno.
CN200880022683A CN101688662A (zh) 2007-06-29 2008-06-19 用于炉气氛控制的低速分级燃烧

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US93776807P 2007-06-29 2007-06-29
US60/937,768 2007-06-29
US12/140,321 2008-06-17
US12/140,321 US20090004611A1 (en) 2007-06-29 2008-06-17 Low velocity staged combustion for furnace atmosphere control

Publications (2)

Publication Number Publication Date
WO2009038849A2 WO2009038849A2 (fr) 2009-03-26
WO2009038849A3 true WO2009038849A3 (fr) 2009-06-04

Family

ID=40160994

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/067456 WO2009038849A2 (fr) 2007-06-29 2008-06-19 Combustion étagée à faible vitesse pour le contrôle de l'atmosphère d'un four

Country Status (9)

Country Link
US (1) US20090004611A1 (fr)
EP (1) EP2167873A2 (fr)
JP (1) JP2010532461A (fr)
KR (1) KR20100034735A (fr)
CN (1) CN101688662A (fr)
BR (1) BRPI0813366A2 (fr)
CA (1) CA2694258A1 (fr)
MX (1) MX2009013787A (fr)
WO (1) WO2009038849A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2440501A2 (fr) * 2009-06-12 2012-04-18 Air Products and Chemicals, Inc. Four et procédé de commande de l'état d'oxydation de matières fondues
JP5203421B2 (ja) * 2010-06-04 2013-06-05 中外炉工業株式会社 溶解炉
US8915733B2 (en) 2010-11-11 2014-12-23 Air Products And Chemicals, Inc. Selective adjustment of heat flux for increased uniformity of heating a charge material in a tilt rotary furnace
FR3037059B1 (fr) * 2015-06-02 2017-06-16 Saint-Gobain Emballage Four a injection sonique
CN106277718B (zh) * 2016-08-19 2019-03-15 巨石集团有限公司 一种玻璃纤维池窑用玻璃液通道加热方法
US10859260B2 (en) * 2017-10-13 2020-12-08 Praxair Technology, Inc. Reduced fouling in staged combustion
CN110093190B (zh) * 2019-06-17 2024-10-29 北京航天迈未科技有限公司 一种组合式气化烧嘴及其使用方法
US11598522B2 (en) * 2019-10-21 2023-03-07 Air Products And Chemicals, Inc. Multi-burner rotary furnace melting system and method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0601274A1 (fr) * 1992-12-08 1994-06-15 Praxair Technology, Inc. Procédé hybride de combustion oxydante
EP0653590A1 (fr) * 1993-11-17 1995-05-17 Praxair Technology, Inc. Procédé de combustion profondément étagée
EP0687853A2 (fr) * 1994-06-13 1995-12-20 Praxair Technology, Inc. Combustion étagée pour la réduction d'oxydes d'azote
EP0748994A1 (fr) * 1995-06-13 1996-12-18 Praxair Technology, Inc. Système pour la chauffage direct d'un four à atmosphère en plusieurs couches
EP0748982A2 (fr) * 1995-06-13 1996-12-18 Praxair Technology, Inc. Procédé de combustion étagée amélioré
EP0748981A2 (fr) * 1995-06-13 1996-12-18 Praxair Technology, Inc. Combustion étagée avec génération réduite d'oxydes d'azote et de monoxyde de carbone
EP0748993A1 (fr) * 1995-06-13 1996-12-18 Praxair Technology, Inc. Procédé pour diminuer la formation de crasse pendant la fusion d'aluminium

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB930388A (en) * 1960-09-21 1963-07-03 Richard Thomas & Baldwins Ltd Improvements in or relating to the production of steel
US5209656A (en) * 1991-08-29 1993-05-11 Praxair Technology, Inc. Combustion system for high velocity gas injection
US5267850A (en) * 1992-06-04 1993-12-07 Praxair Technology, Inc. Fuel jet burner
FR2743360B1 (fr) * 1996-01-05 1998-02-27 Air Liquide Procede de chauffage de la charge d'un four de verre
JP3395827B2 (ja) * 1997-12-26 2003-04-14 三菱マテリアル株式会社 セメントクリンカーの製造方法
US6126438A (en) * 1999-06-23 2000-10-03 American Air Liquide Preheated fuel and oxidant combustion burner
JP2001221418A (ja) * 2000-02-10 2001-08-17 Kawasaki Steel Corp 廃電池の処理炉

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0601274A1 (fr) * 1992-12-08 1994-06-15 Praxair Technology, Inc. Procédé hybride de combustion oxydante
EP0653590A1 (fr) * 1993-11-17 1995-05-17 Praxair Technology, Inc. Procédé de combustion profondément étagée
EP0687853A2 (fr) * 1994-06-13 1995-12-20 Praxair Technology, Inc. Combustion étagée pour la réduction d'oxydes d'azote
EP0748994A1 (fr) * 1995-06-13 1996-12-18 Praxair Technology, Inc. Système pour la chauffage direct d'un four à atmosphère en plusieurs couches
EP0748982A2 (fr) * 1995-06-13 1996-12-18 Praxair Technology, Inc. Procédé de combustion étagée amélioré
EP0748981A2 (fr) * 1995-06-13 1996-12-18 Praxair Technology, Inc. Combustion étagée avec génération réduite d'oxydes d'azote et de monoxyde de carbone
EP0748993A1 (fr) * 1995-06-13 1996-12-18 Praxair Technology, Inc. Procédé pour diminuer la formation de crasse pendant la fusion d'aluminium

Also Published As

Publication number Publication date
BRPI0813366A2 (pt) 2014-12-30
MX2009013787A (es) 2010-01-26
JP2010532461A (ja) 2010-10-07
CN101688662A (zh) 2010-03-31
WO2009038849A2 (fr) 2009-03-26
CA2694258A1 (fr) 2009-03-26
US20090004611A1 (en) 2009-01-01
EP2167873A2 (fr) 2010-03-31
KR20100034735A (ko) 2010-04-01

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