AU646677B2 - Advanced overfire air system for NOx control - Google Patents

Advanced overfire air system for NOx control Download PDF

Info

Publication number
AU646677B2
AU646677B2 AU81086/91A AU8108691A AU646677B2 AU 646677 B2 AU646677 B2 AU 646677B2 AU 81086/91 A AU81086/91 A AU 81086/91A AU 8108691 A AU8108691 A AU 8108691A AU 646677 B2 AU646677 B2 AU 646677B2
Authority
AU
Australia
Prior art keywords
overfire air
furnace
air
fuel
fossil fuel
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.)
Ceased
Application number
AU81086/91A
Other languages
English (en)
Other versions
AU8108691A (en
Inventor
John Leonard Marion
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.)
Alstom Power Inc
Original Assignee
Combustion Engineering Inc
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 Combustion Engineering Inc filed Critical Combustion Engineering Inc
Publication of AU8108691A publication Critical patent/AU8108691A/en
Application granted granted Critical
Publication of AU646677B2 publication Critical patent/AU646677B2/en
Assigned to ABB ALSTOM POWER INC. reassignment ABB ALSTOM POWER INC. Alteration of Name(s) in Register under S187 Assignors: COMBUSTION ENGINEERING INC.
Assigned to ALSTOM POWER INC. reassignment ALSTOM POWER INC. Request to Amend Deed and Register Assignors: ABB ALSTOM POWER INC.
Anticipated expiration legal-status Critical
Ceased 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Air Supply (AREA)
AU81086/91A 1990-10-31 1991-06-24 Advanced overfire air system for NOx control Ceased AU646677B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60717790A 1990-10-31 1990-10-31
US607177 1990-10-31

Publications (2)

Publication Number Publication Date
AU8108691A AU8108691A (en) 1992-05-26
AU646677B2 true AU646677B2 (en) 1994-03-03

Family

ID=24431152

Family Applications (1)

Application Number Title Priority Date Filing Date
AU81086/91A Ceased AU646677B2 (en) 1990-10-31 1991-06-24 Advanced overfire air system for NOx control

Country Status (15)

Country Link
EP (1) EP0554254B1 (pt)
JP (1) JP2731794B2 (pt)
KR (1) KR970009483B1 (pt)
AU (1) AU646677B2 (pt)
BR (1) BR9107060A (pt)
CA (1) CA2091341C (pt)
CS (1) CS327791A3 (pt)
DE (1) DE69121579D1 (pt)
ES (1) ES2092573T3 (pt)
FI (1) FI931941A0 (pt)
HU (1) HUT65491A (pt)
MX (1) MX9100537A (pt)
WO (1) WO1992008078A1 (pt)
YU (1) YU141991A (pt)
ZA (1) ZA915500B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2752042B1 (fr) * 1996-07-31 1998-09-11 Gec Alsthom Stein Ind Busette de soufflage d'air secondaire dans un foyer de combustion
JP5658126B2 (ja) 2011-11-16 2015-01-21 三菱重工業株式会社 油焚きバーナ、固体燃料焚きバーナユニット及び固体燃料焚きボイラ
CN102913898B (zh) * 2012-10-16 2015-06-24 东方电气集团东方锅炉股份有限公司 一种在前后墙对冲燃烧锅炉中的燃尽风布置方式
JP6284345B2 (ja) * 2013-11-15 2018-02-28 三菱日立パワーシステムズ株式会社 ボイラ
JP6203033B2 (ja) * 2013-12-17 2017-09-27 三菱日立パワーシステムズ株式会社 ボイラ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7560291A (en) * 1990-10-31 1992-05-26 Alstom Power Inc. Clustered concentric tangential firing system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425855A (en) * 1983-03-04 1984-01-17 Combustion Engineering, Inc. Secondary air control damper arrangement
US4501204A (en) * 1984-05-21 1985-02-26 Combustion Engineering, Inc. Overfire air admission with varying momentum air streams
JPS6370005A (ja) * 1986-09-10 1988-03-30 Mitsubishi Heavy Ind Ltd ボイラ
US4940004A (en) * 1989-07-07 1990-07-10 J. H. Jansen Company, Inc. High energy combustion air nozzle and method for improving combustion in chemical recovery boilers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7560291A (en) * 1990-10-31 1992-05-26 Alstom Power Inc. Clustered concentric tangential firing system

Also Published As

Publication number Publication date
DE69121579D1 (de) 1996-09-26
HU9300808D0 (en) 1993-06-28
JPH05507345A (ja) 1993-10-21
BR9107060A (pt) 1993-09-14
ZA915500B (en) 1992-04-29
WO1992008078A1 (en) 1992-05-14
AU8108691A (en) 1992-05-26
FI931941A (fi) 1993-04-29
CS327791A3 (en) 1992-05-13
CA2091341C (en) 1995-12-05
ES2092573T3 (es) 1996-12-01
MX9100537A (es) 1992-06-05
CA2091341A1 (en) 1992-05-01
YU141991A (sh) 1995-10-03
EP0554254B1 (en) 1996-08-21
KR930702645A (ko) 1993-09-09
KR970009483B1 (en) 1997-06-13
EP0554254A1 (en) 1993-08-11
HUT65491A (en) 1994-06-28
JP2731794B2 (ja) 1998-03-25
FI931941A0 (fi) 1993-04-29

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Legal Events

Date Code Title Description
PC Assignment registered

Owner name: ABB ALSTOM POWER INC.

Free format text: FORMER OWNER WAS: COMBUSTION ENGINEERING, INC.

HB Alteration of name in register

Owner name: ALSTOM POWER INC.

Free format text: FORMER NAME WAS: ABB ALSTOM POWER INC.

MK14 Patent ceased section 143(a) (annual fees not paid) or expired