EP0833104A3 - Burner for operating a combustion chamber - Google Patents

Burner for operating a combustion chamber Download PDF

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Publication number
EP0833104A3
EP0833104A3 EP97810621A EP97810621A EP0833104A3 EP 0833104 A3 EP0833104 A3 EP 0833104A3 EP 97810621 A EP97810621 A EP 97810621A EP 97810621 A EP97810621 A EP 97810621A EP 0833104 A3 EP0833104 A3 EP 0833104A3
Authority
EP
European Patent Office
Prior art keywords
combustion chamber
burner
mixing section
operating
swirl generator
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.)
Granted
Application number
EP97810621A
Other languages
German (de)
French (fr)
Other versions
EP0833104A2 (en
EP0833104B1 (en
Inventor
Klaus Dr. Döbbeling
Hans Peter Knöpfel
Donald Frank Walker
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.)
ABB Research Ltd Switzerland
ABB Research Ltd Sweden
Original Assignee
ABB Research Ltd Switzerland
ABB Research Ltd Sweden
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 ABB Research Ltd Switzerland, ABB Research Ltd Sweden filed Critical ABB Research Ltd Switzerland
Publication of EP0833104A2 publication Critical patent/EP0833104A2/en
Publication of EP0833104A3 publication Critical patent/EP0833104A3/en
Application granted granted Critical
Publication of EP0833104B1 publication Critical patent/EP0833104B1/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
    • F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/40—Mixing tubes or chambers; Burner heads
    • F23D11/402—Mixing chambers downstream of the nozzle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
    • F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
    • 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 
    • F23C2202/00—Fluegas recirculation
    • F23C2202/40—Inducing local whirls around flame
    • 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
    • F23C2900/07002—Premix burners with air inlet slots obtained between offset curved wall surfaces, e.g. double cone burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2209/00—Safety arrangements
    • F23D2209/20—Flame lift-off / stability
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2214/00—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/00015—Pilot burners specially adapted for low load or transient conditions, e.g. for increasing stability

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Spray-Type Burners (AREA)
  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)

Abstract

Bei einem Brenner zum Betrieb einer Brennkammer, der im wesentlichen aus einem Drallerzeuger (100), einer dem Drallerzeuger nachgeschalteten Mischstrecke (220) besteht, wobei diese Mischstrecke stromauf einer Brennkammer (30) wirkt, wird die von dem Drallerzeuger (100) induzierte Drallströmung über Uebergangskanäle (201) in die Mischstrecke (220) eingeleitet. Am Ausgang eines zur Mischstrecke (220) gehörenden Mischrohres (20) wird dessen Brennerfront (70) brennkammerseitig mit mindestens einer torusähnlicher Einkerbung (71) versehen. Damit lässt sich die Stabilität der Rückströmzone (50) verstärken, was sich unter allen Aspekten auf die Verbrennung positiv auswirkt.

Figure 00000001
Figure 00000002
In a burner for operating a combustion chamber, which essentially consists of a swirl generator (100), a mixing section (220) connected downstream of the swirl generator, this mixing section acting upstream of a combustion chamber (30), the swirl flow induced by the swirl generator (100) is exceeded Transition channels (201) introduced into the mixing section (220). At the outlet of a mixing tube (20) belonging to the mixing section (220), its burner front (70) is provided on the combustion chamber side with at least one toroid-like notch (71). The stability of the return flow zone (50) can thus be strengthened, which has a positive effect on the combustion in all respects.
Figure 00000001
Figure 00000002
EP97810621A 1996-09-25 1997-09-02 Burner for operating a combustion chamber Expired - Lifetime EP0833104B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19639301A DE19639301A1 (en) 1996-09-25 1996-09-25 Burner for operating a combustion chamber
DE19639301 1996-09-25

Publications (3)

Publication Number Publication Date
EP0833104A2 EP0833104A2 (en) 1998-04-01
EP0833104A3 true EP0833104A3 (en) 1998-07-29
EP0833104B1 EP0833104B1 (en) 2001-04-11

Family

ID=7806802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810621A Expired - Lifetime EP0833104B1 (en) 1996-09-25 1997-09-02 Burner for operating a combustion chamber

Country Status (4)

Country Link
EP (1) EP0833104B1 (en)
JP (1) JP3904684B2 (en)
CN (1) CN1109843C (en)
DE (2) DE19639301A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19859829A1 (en) 1998-12-23 2000-06-29 Abb Alstom Power Ch Ag Burner for operating a heat generator
IT1313547B1 (en) * 1999-09-23 2002-07-24 Nuovo Pignone Spa PRE-MIXING CHAMBER FOR GAS TURBINES
DE10128063A1 (en) * 2001-06-09 2003-01-23 Alstom Switzerland Ltd burner system
DE10233161B4 (en) * 2002-07-22 2012-01-05 Alstom Technology Ltd. Burner and pilot burner
EP1389713A1 (en) 2002-08-12 2004-02-18 ALSTOM (Switzerland) Ltd Premixed exit ring pilot burner
JP4913746B2 (en) * 2004-11-30 2012-04-11 アルストム テクノロジー リミテッド Method and apparatus for burning hydrogen in a premix burner
EP2703721B1 (en) * 2012-08-31 2019-05-22 Ansaldo Energia IP UK Limited Premix burner
CN115059917B (en) * 2022-06-24 2024-06-18 北京理工大学 High-speed multiphase jet burner with contraction section

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806517A (en) * 1950-11-16 1957-09-17 Shell Dev Oil atomizing double vortex burner
US4373325A (en) * 1980-03-07 1983-02-15 International Harvester Company Combustors
JPH07190308A (en) * 1993-12-28 1995-07-28 Hitachi Ltd Turning type burner
EP0704657A2 (en) * 1994-10-01 1996-04-03 ABB Management AG Burner
EP0780630A2 (en) * 1995-12-21 1997-06-25 Abb Research Ltd. Burner for a heat generator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561841A (en) * 1980-11-21 1985-12-31 Donald Korenyi Combustion apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806517A (en) * 1950-11-16 1957-09-17 Shell Dev Oil atomizing double vortex burner
US4373325A (en) * 1980-03-07 1983-02-15 International Harvester Company Combustors
JPH07190308A (en) * 1993-12-28 1995-07-28 Hitachi Ltd Turning type burner
EP0704657A2 (en) * 1994-10-01 1996-04-03 ABB Management AG Burner
EP0780630A2 (en) * 1995-12-21 1997-06-25 Abb Research Ltd. Burner for a heat generator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 095, no. 010 30 November 1995 (1995-11-30) *

Also Published As

Publication number Publication date
DE59703346D1 (en) 2001-05-17
DE19639301A1 (en) 1998-03-26
CN1109843C (en) 2003-05-28
EP0833104A2 (en) 1998-04-01
JPH10103620A (en) 1998-04-21
EP0833104B1 (en) 2001-04-11
CN1185559A (en) 1998-06-24
JP3904684B2 (en) 2007-04-11

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