CA2091341C - An advanced overfire air system for no _control - Google Patents

An advanced overfire air system for no _control

Info

Publication number
CA2091341C
CA2091341C CA002091341A CA2091341A CA2091341C CA 2091341 C CA2091341 C CA 2091341C CA 002091341 A CA002091341 A CA 002091341A CA 2091341 A CA2091341 A CA 2091341A CA 2091341 C CA2091341 C CA 2091341C
Authority
CA
Canada
Prior art keywords
overfire air
furnace
air
fuel
compartments
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.)
Expired - Lifetime
Application number
CA002091341A
Other languages
English (en)
French (fr)
Other versions
CA2091341A1 (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 CA2091341A1 publication Critical patent/CA2091341A1/en
Application granted granted Critical
Publication of CA2091341C publication Critical patent/CA2091341C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
CA002091341A 1990-10-31 1991-06-24 An advanced overfire air system for no _control Expired - Lifetime CA2091341C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60717790A 1990-10-31 1990-10-31
US07/607,177 1990-10-31

Publications (2)

Publication Number Publication Date
CA2091341A1 CA2091341A1 (en) 1992-05-01
CA2091341C true CA2091341C (en) 1995-12-05

Family

ID=24431152

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002091341A Expired - Lifetime CA2091341C (en) 1990-10-31 1991-06-24 An advanced overfire air system for no _control

Country Status (15)

Country Link
EP (1) EP0554254B1 (es)
JP (1) JP2731794B2 (es)
KR (1) KR970009483B1 (es)
AU (1) AU646677B2 (es)
BR (1) BR9107060A (es)
CA (1) CA2091341C (es)
CS (1) CS327791A3 (es)
DE (1) DE69121579D1 (es)
ES (1) ES2092573T3 (es)
FI (1) FI931941A (es)
HU (1) HUT65491A (es)
MX (1) MX9100537A (es)
WO (1) WO1992008078A1 (es)
YU (1) YU141991A (es)
ZA (1) ZA915500B (es)

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

Family Cites Families (5)

* 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
US5020454A (en) * 1990-10-31 1991-06-04 Combustion Engineering, Inc. Clustered concentric tangential firing system

Also Published As

Publication number Publication date
CA2091341A1 (en) 1992-05-01
FI931941A0 (fi) 1993-04-29
FI931941A (fi) 1993-04-29
HU9300808D0 (en) 1993-06-28
WO1992008078A1 (en) 1992-05-14
AU646677B2 (en) 1994-03-03
HUT65491A (en) 1994-06-28
EP0554254A1 (en) 1993-08-11
JPH05507345A (ja) 1993-10-21
AU8108691A (en) 1992-05-26
YU141991A (sh) 1995-10-03
JP2731794B2 (ja) 1998-03-25
KR970009483B1 (en) 1997-06-13
DE69121579D1 (de) 1996-09-26
ZA915500B (en) 1992-04-29
EP0554254B1 (en) 1996-08-21
KR930702645A (ko) 1993-09-09
BR9107060A (pt) 1993-09-14
ES2092573T3 (es) 1996-12-01
CS327791A3 (en) 1992-05-13
MX9100537A (es) 1992-06-05

Similar Documents

Publication Publication Date Title
US5195450A (en) Advanced overfire air system for NOx control
US5020454A (en) Clustered concentric tangential firing system
US6237513B1 (en) Fuel and air compartment arrangement NOx tangential firing system
EP0650571B1 (en) Method of operating an integrated low nox tangential firing system
EP0022454B1 (en) Furnace with sets of nozzles for tangential introduction of pulverized coal, air and recirculated gases
AU2003237815B2 (en) Low nox combustion
US5343820A (en) Advanced overfire air system for NOx control
CA2091341C (en) An advanced overfire air system for no _control
US5899172A (en) Separated overfire air injection for dual-chambered furnaces
US5311829A (en) Method for reduction of sulfur oxides and particulates in coal combustion exhaust gases
Marion et al. Advanced overfire air system for NOx control
Rini et al. Integrated low NO x tangential firing system
SI9111419A (sl) IZBOLJŠAN SISTEM ZA URAVNAVANJE NOx Z UVAJANJEM DODATNEGA ZRAKA V PLAMENIH

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry