JPH0356011U - - Google Patents

Info

Publication number
JPH0356011U
JPH0356011U JP1989115882U JP11588289U JPH0356011U JP H0356011 U JPH0356011 U JP H0356011U JP 1989115882 U JP1989115882 U JP 1989115882U JP 11588289 U JP11588289 U JP 11588289U JP H0356011 U JPH0356011 U JP H0356011U
Authority
JP
Japan
Prior art keywords
axis
boiler
furnace
cylindrical surface
additional air
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.)
Pending
Application number
JP1989115882U
Other languages
English (en)
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 filed Critical
Priority to JP1989115882U priority Critical patent/JPH0356011U/ja
Priority to CA002026455A priority patent/CA2026455C/en
Priority to FI904871A priority patent/FI94549C/fi
Priority to US07/593,021 priority patent/US5146858A/en
Priority to EP90119054A priority patent/EP0421424B1/en
Priority to DE69018916T priority patent/DE69018916T2/de
Publication of JPH0356011U publication Critical patent/JPH0356011U/ja
Pending legal-status Critical Current

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 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/02—Disposition of air supply not passing through burner
    • 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 
    • F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
    • F23C5/08—Disposition of burners
    • F23C5/32—Disposition of burners to obtain rotating flames, i.e. flames moving helically or spirally
    • 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 
    • F23C2201/00—Staged combustion
    • F23C2201/10—Furnace staging
    • F23C2201/101—Furnace staging in vertical direction, e.g. alternating lean and rich zones

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Of Fluid Fuel (AREA)

Description

【図面の簡単な説明】
第１図ないし第４図は本考案の一実施例を示す
概要図であつて、第１図は縦断面図、第２図は第
１図の−断面図、第３図は第１図の−断
面図、第４図は第１図の−断面図である。第
５図ないし第７図は従来のボイラ火炉の一例を示
す概要図であつて、第５図は縦断面図、第６図は
第５図の−断面図、第７図は第５図の−
断面図である。第８図は、ＡＡ吹込み率に対する
ＮＯＸ発生量および煤塵濃度の関係を、本実施例
と従来の場合とを比較して示す図である。 ０１……ボイラ火炉（本体）、０２……主バー
ナ風箱、０３……主バーナ用空気ノズル、０４…
…主バーナ用燃料吹込みノズル、０５……主バー
ナ用空気ダクト、０６……燃料供給管、０７……
ＡＡダクト、０９……火炎、１０……主バーナ用
空気、１１……燃料、１２……ＡＡ（アデイシヨ
ナル空気）、１３……未燃燃焼ガス、１４……燃
料排ガス、１５……ＡＡ用風箱、１６……ＡＡ用
吹込みノズル、２０，２１，２２……仮想円筒面
、１１５……上流側（下段）ＡＡ用風箱、１１６
……上流側（下段）ＡＡ用吹込みノズル、１１７
……下流側（上段）ＡＡ用風箱、１１８……下流
側（上段）ＡＡ用吹込みノズル、１１９……上流
側（下段）ＡＡ、１２０……下流側（上段）ＡＡ
。

Claims (1)

    【実用新案登録請求の範囲】
  1. 軸線が鉛直な四角筒状のボイラ火炉の側壁面ま
    たはコーナ部にほぼ横向きに設けられ、上記ボイ
    ラ火炉の軸線を軸とする円筒面にバーナ軸の延長
    線が接する複数の主バーナと、同主バーナよりも
    上方の上記ボイラ火炉にほぼ横向きに設けられた
    複数のアデイシヨナル空気用吹込ノズルとを具え
    、上記主バーナから吹込まれる燃料および主バー
    ナ用空気により形成される主バーナ燃焼領域が還
    元性雰囲気または１％以下の低酸素濃度雰囲気に
    あり、かつ上記主バーナ燃焼領域で燃焼しなかつ
    た燃料が上記アデイシヨナル空気用吹込ノズルか
    ら吹込まれる空気により完全燃焼するようにした
    ボイラ火炉燃焼装置において、上記複数のアデイ
    シヨナル空気用吹込ノズルが少なくとも上下２段
    に分割して配置され、下段に配置された上記アデ
    イシヨナル空気用吹込ノズルは上記ボイラ火炉の
    コーナ部に設けられ、かつ上記ボイラ火炉の軸線
    を軸とし上記円筒面よりも径が大きい第２の円筒
    面にノズル軸の延長線が接しており、上段に配置
    された上記アデイシヨナル空気用吹込ノズルは上
    記ボイラ火炉の側壁面中央部に設けられ、かつ上
    記ボイラ火炉の軸線を軸とし上記第２の円筒面よ
    りも径が小さい第３の円筒面にノズル軸の延長線
    が接していることを特徴とするボイラ火炉燃焼装
    置。
JP1989115882U 1989-10-03 1989-10-03 Pending JPH0356011U (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1989115882U JPH0356011U (ja) 1989-10-03 1989-10-03
CA002026455A CA2026455C (en) 1989-10-03 1990-09-28 Boiler furnace combustion system
FI904871A FI94549C (fi) 1989-10-03 1990-10-03 Kattilan tulipesän polttojärjestelmä
US07/593,021 US5146858A (en) 1989-10-03 1990-10-03 Boiler furnace combustion system
EP90119054A EP0421424B1 (en) 1989-10-03 1990-10-04 Boiler furnace combustion system
DE69018916T DE69018916T2 (de) 1989-10-03 1990-10-04 Feuerungssystem für Kesselbrennkammer.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989115882U JPH0356011U (ja) 1989-10-03 1989-10-03

Publications (1)

Publication Number Publication Date
JPH0356011U true JPH0356011U (ja) 1991-05-29

Family

ID=14673515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989115882U Pending JPH0356011U (ja) 1989-10-03 1989-10-03

Country Status (6)

Country Link
US (1) US5146858A (ja)
EP (1) EP0421424B1 (ja)
JP (1) JPH0356011U (ja)
CA (1) CA2026455C (ja)
DE (1) DE69018916T2 (ja)
FI (1) FI94549C (ja)

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Publication number Priority date Publication date Assignee Title
JP2015117862A (ja) * 2013-12-17 2015-06-25 三菱日立パワーシステムズ株式会社 ボイラ

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US5809910A (en) * 1992-05-18 1998-09-22 Svendssen; Allan Reduction and admixture method in incineration unit for reduction of contaminants
US5315939A (en) * 1993-05-13 1994-05-31 Combustion Engineering, Inc. Integrated low NOx tangential firing system
JPH08170803A (ja) * 1994-12-16 1996-07-02 Mitsubishi Heavy Ind Ltd 蒸気発生装置
US5622489A (en) * 1995-04-13 1997-04-22 Monro; Richard J. Fuel atomizer and apparatus and method for reducing NOx
DE19514302C2 (de) * 1995-04-25 2001-11-29 Alstom Power Boiler Gmbh Verfahren und Feuerungssystem zur stickoxidarmen Wärmeerzeugung
US5746143A (en) * 1996-02-06 1998-05-05 Vatsky; Joel Combustion system for a coal-fired furnace having an air nozzle for discharging air along the inner surface of a furnace wall
DE19613777C2 (de) * 1996-04-04 2002-01-17 Michael Mimor Verbrennungsanlage und Nachverbrennungsverfahren
FR2760514B1 (fr) * 1997-03-10 1999-10-01 Pierre Robert Francoi Vidallet Four de cremation a haute combustion par turbulence rotative des gaz
US5899172A (en) * 1997-04-14 1999-05-04 Combustion Engineering, Inc. Separated overfire air injection for dual-chambered furnaces
US5950547A (en) * 1997-07-21 1999-09-14 Theoretical Thermionics, Inc. Combustor for burning a coal-gas mixture
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US6269755B1 (en) 1998-08-03 2001-08-07 Independent Stave Company, Inc. Burners with high turndown ratio
US6237513B1 (en) 1998-12-21 2001-05-29 ABB ALSTROM POWER Inc. Fuel and air compartment arrangement NOx tangential firing system
US6148744A (en) * 1999-09-21 2000-11-21 Abb Alstom Power Inc. Coal firing furnace and method of operating a coal-fired furnace
DE10019114A1 (de) * 2000-04-18 2001-10-25 Bbp Energy Gmbh Feuerung und Verfahren zur Verbrennung von Kohlenstaub
US6685464B2 (en) * 2001-03-28 2004-02-03 L'Air Liquide - Societe Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude High velocity injection of enriched oxygen gas having low amount of oxygen enrichment
US6912756B2 (en) * 2002-11-13 2005-07-05 American Air Liquide, Inc. Lance for injecting fluids for uniform diffusion within a volume
US20040185402A1 (en) * 2003-03-19 2004-09-23 Goran Moberg Mixing process for increasing chemical reaction efficiency and reduction of byproducts
US8449288B2 (en) * 2003-03-19 2013-05-28 Nalco Mobotec, Inc. Urea-based mixing process for increasing combustion efficiency and reduction of nitrogen oxides (NOx)
US20040185401A1 (en) * 2003-03-19 2004-09-23 Goran Moberg Mixing process for combustion furnaces
US20040185399A1 (en) * 2003-03-19 2004-09-23 Goran Moberg Urea-based mixing process for increasing combustion efficiency and reduction of nitrogen oxides (NOx)
US7670569B2 (en) * 2003-06-13 2010-03-02 Mobotec Usa, Inc. Combustion furnace humidification devices, systems & methods
US7484956B2 (en) * 2003-09-16 2009-02-03 Praxair Technology, Inc. Low NOx combustion using cogenerated oxygen and nitrogen streams
US8251694B2 (en) * 2004-02-14 2012-08-28 Nalco Mobotec, Inc. Method for in-furnace reduction flue gas acidity
US7537743B2 (en) * 2004-02-14 2009-05-26 Mobotec Usa, Inc. Method for in-furnace regulation of SO3 in catalytic NOx reducing systems
EP1898150A4 (de) * 2005-06-03 2010-08-11 Zakrytoe Aktsionernoe Obschest Befeuerter dampferzeuger
US7410356B2 (en) 2005-11-17 2008-08-12 Mobotec Usa, Inc. Circulating fluidized bed boiler having improved reactant utilization
US20080261161A1 (en) * 2007-04-23 2008-10-23 The Onix Corporation Alternative Fuel Burner with Plural Injection Ports
US8069824B2 (en) * 2008-06-19 2011-12-06 Nalco Mobotec, Inc. Circulating fluidized bed boiler and method of operation
CN101598333B (zh) * 2009-06-30 2012-09-26 上海锅炉厂有限公司 一种低氮氧化物排放煤粉切向燃烧装置
FR2951525B1 (fr) * 2009-10-21 2012-10-26 Fives Pillard Procede de fonctionnement d'une chaudiere
US20130089823A1 (en) * 2011-10-07 2013-04-11 General Electric Company Combustor
CN102927919B (zh) * 2012-10-29 2015-07-15 山东电力集团公司电力科学研究院 电站锅炉喷燃器切圆直径测量装置及测量方法
US9696030B2 (en) * 2013-01-28 2017-07-04 General Electric Technology Gmbh Oxy-combustion coupled firing and recirculation system
US9765967B2 (en) 2013-06-05 2017-09-19 General Electric Technology Gmbh Flexible gas pipe ignitor
CN103672940B (zh) * 2014-01-08 2016-09-28 上海卫源节能环保科技有限公司 一种降低锅炉燃烧产生的氮氧化物的方法
WO2015185886A1 (en) * 2014-06-02 2015-12-10 Mobotec Uk Ltd Apparatus and process for combustion
CN104654286B (zh) * 2014-12-20 2017-06-27 灵璧县长城锅炉制造厂 双炉式生物质锅炉
CN104654285B (zh) * 2014-12-20 2017-06-27 灵璧县长城锅炉制造厂 一种生物质燃烧锅炉
CN107246607B (zh) * 2017-07-06 2023-05-30 山西大学 一种用于四角切圆锅炉的自动稳燃系统

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JPS6370005A (ja) * 1986-09-10 1988-03-30 Mitsubishi Heavy Ind Ltd ボイラ

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
JP2015117862A (ja) * 2013-12-17 2015-06-25 三菱日立パワーシステムズ株式会社 ボイラ

Also Published As

Publication number Publication date
FI904871A0 (fi) 1990-10-03
DE69018916T2 (de) 1995-09-28
CA2026455C (en) 1994-07-26
US5146858A (en) 1992-09-15
FI94549C (fi) 1995-09-25
CA2026455A1 (en) 1991-04-04
EP0421424B1 (en) 1995-04-26
EP0421424A1 (en) 1991-04-10
DE69018916D1 (de) 1995-06-01
FI94549B (fi) 1995-06-15

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