JP4381208B2 - オーバファイア空気及びオーバファイア空気／ｎ−剤噴射システムの段付きディフューザ - Google Patents

オーバファイア空気及びオーバファイア空気／ｎ−剤噴射システムの段付きディフューザ Download PDF

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Publication number
JP4381208B2
JP4381208B2 JP2004109826A JP2004109826A JP4381208B2 JP 4381208 B2 JP4381208 B2 JP 4381208B2 JP 2004109826 A JP2004109826 A JP 2004109826A JP 2004109826 A JP2004109826 A JP 2004109826A JP 4381208 B2 JP4381208 B2 JP 4381208B2
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Japan
Prior art keywords
combustion
overfire air
nozzle
zone
flue gas
Prior art date
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Expired - Fee Related
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JP2004109826A
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English (en)
Japanese (ja)
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JP2004309128A (ja
JP2004309128A5 (enExample
Inventor
ウィリアム・ランダル・シーカー
ロイ・ペイン
ラリー・ウィリアム・スワンソン
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General Electric Co
Original Assignee
General Electric Co
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Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2004309128A publication Critical patent/JP2004309128A/ja
Publication of JP2004309128A5 publication Critical patent/JP2004309128A5/ja
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Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F23L9/04—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air beyond the fire, i.e. nearer the smoke outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J7/00—Arrangement of devices for supplying chemicals to fire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air above the fire
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Air Supply (AREA)
JP2004109826A 2003-04-03 2004-04-02 オーバファイア空気及びオーバファイア空気／ｎ−剤噴射システムの段付きディフューザ Expired - Fee Related JP4381208B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/249,379 US6865994B2 (en) 2003-04-03 2003-04-03 Step-diffuser for overfire air and overfire air/N-agent injector systems

Publications (3)

Publication Number Publication Date
JP2004309128A JP2004309128A (ja) 2004-11-04
JP2004309128A5 JP2004309128A5 (enExample) 2007-05-24
JP4381208B2 true JP4381208B2 (ja) 2009-12-09

Family

ID=32296797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004109826A Expired - Fee Related JP4381208B2 (ja) 2003-04-03 2004-04-02 オーバファイア空気及びオーバファイア空気／ｎ−剤噴射システムの段付きディフューザ

Country Status (5)

Country Link
US (1) US6865994B2 (enExample)
JP (1) JP4381208B2 (enExample)
KR (1) KR100860176B1 (enExample)
CH (1) CH697993B1 (enExample)
GB (1) GB2400651B (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7374735B2 (en) * 2003-06-05 2008-05-20 General Electric Company Method for nitrogen oxide reduction in flue gas
US6988454B2 (en) * 2003-09-09 2006-01-24 Advanced Combustion Technology Method and apparatus for adding reducing agent to secondary overfire air stream
CN100400962C (zh) * 2005-10-14 2008-07-09 浙江大学 再燃氮氧化物的燃煤锅炉装置
US8689707B2 (en) * 2006-05-26 2014-04-08 Fuel Tech, Inc. Ultra low NOx burner replacement system
US20080083356A1 (en) * 2006-10-09 2008-04-10 Roy Payne HYBRID BOOSTED OVERFIRE AIR SYSTEM AND METHODS FOR NOx REDUCTION IN COMBUSTION GASES
US20080156236A1 (en) * 2006-12-20 2008-07-03 Osamu Ito Pulverized coal combustion boiler
US20090084346A1 (en) * 2007-09-28 2009-04-02 General Electric Company Gas flow injector and method of injecting gas into a combustion system
US7775791B2 (en) 2008-02-25 2010-08-17 General Electric Company Method and apparatus for staged combustion of air and fuel
US8302545B2 (en) * 2009-02-20 2012-11-06 General Electric Company Systems for staged combustion of air and fuel
US8906301B2 (en) * 2009-09-15 2014-12-09 General Electric Company Combustion control system and method using spatial feedback and acoustic forcings of jets
CN101806450B (zh) * 2010-04-20 2011-08-10 哈尔滨工业大学 一种适用于不同负荷煤粉型锅炉的燃尽风装置
CN102003701B (zh) * 2010-11-23 2012-12-26 浙江大学 基于火下风和燃尽风的低NOx煤粉燃烧方法和装置
US8900354B2 (en) * 2011-09-08 2014-12-02 The Power Industrial Group Ltd. Boosted no-lance injection systems and methods
JP5998216B2 (ja) * 2012-06-18 2016-09-28 メタウォーター株式会社 循環型多層燃焼炉
US9909755B2 (en) * 2013-03-15 2018-03-06 Fives North American Combustion, Inc. Low NOx combustion method and apparatus
CN103349898B (zh) * 2013-07-04 2016-06-08 张蕊 一种sncr脱硝装置及脱硝方法
CN103831005B (zh) * 2014-02-28 2015-08-26 东南大学 一种用于sncr脱硝的水冷壁防腐蚀装置
CN105090940A (zh) * 2014-05-07 2015-11-25 武汉天和技术股份有限公司 一种4d多维低氮燃烧器
US9541280B2 (en) 2014-06-04 2017-01-10 Fives North American Combustion, Inc. Ultra low NOx combustion for steam generator
CN111450682B (zh) * 2020-04-14 2021-02-26 安徽工业大学 一种超临界二氧化碳燃煤锅炉深度脱硝工艺
CN111450703B (zh) * 2020-05-09 2024-05-07 中国华能集团有限公司 燃煤锅炉高温喷氨脱硝装置
CN113048467A (zh) * 2020-12-10 2021-06-29 哈尔滨博深科技发展有限公司 一种带有还原氮氧化物喷射装置的燃煤锅炉

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE253324C (enExample) *
US851346A (en) * 1907-01-25 1907-04-23 Harvey A Darling Gas-burner.
US3219094A (en) * 1964-01-07 1965-11-23 Selas Corp Of America Industrial burner
US3315726A (en) * 1965-03-19 1967-04-25 Selas Corp Of America Industrial burner
FR2402831A1 (fr) * 1977-09-12 1979-04-06 Utilisation Ration Gaz Bruleur radiant a faible inertie thermique
US4416620A (en) * 1981-06-08 1983-11-22 Selas Corporation Of America Larger capacity Vortex burner
US4722287A (en) * 1986-07-07 1988-02-02 Combustion Engineering, Inc. Sorbent injection system
US5246364A (en) * 1986-07-14 1993-09-21 Inland Steel Company Method and apparatus for reducing sulfur dioxide content in flue gases
US5048431A (en) * 1986-07-14 1991-09-17 Inland Steel Company Method and apparatus for reducing sulfur dioxide content in flue gases
US5139755A (en) 1990-10-17 1992-08-18 Energy And Environmental Research Corporation Advanced reburning for reduction of NOx emissions in combustion systems
AU1524597A (en) 1996-01-11 1997-08-01 Energy And Environmental Research Corporation Improved advanced reburning methods for high efficiency nox control
US6101957A (en) 1998-05-26 2000-08-15 The United States Of America As Represented By The Secretary Of The Navy Apparatus for after-burning fuel rich rocket exhaust products
US6280965B1 (en) * 1999-05-26 2001-08-28 Nova Southeastern University Simple non-radioactive assay for estimating protein kinase C and protein phosphatase-1
US6280695B1 (en) 2000-07-10 2001-08-28 Ge Energy & Environmental Research Corp. Method of reducing NOx in a combustion flue gas

Also Published As

Publication number Publication date
GB0407133D0 (en) 2004-05-05
CH697993B1 (de) 2009-04-15
US6865994B2 (en) 2005-03-15
GB2400651B (en) 2006-11-22
JP2004309128A (ja) 2004-11-04
KR100860176B1 (ko) 2008-09-24
US20040194680A1 (en) 2004-10-07
KR20040086832A (ko) 2004-10-12
GB2400651A (en) 2004-10-20

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