DE59706924D1 - Method and device for suppressing flame / pressure vibrations in a furnace - Google Patents

Method and device for suppressing flame / pressure vibrations in a furnace

Info

Publication number
DE59706924D1
DE59706924D1 DE59706924T DE59706924T DE59706924D1 DE 59706924 D1 DE59706924 D1 DE 59706924D1 DE 59706924 T DE59706924 T DE 59706924T DE 59706924 T DE59706924 T DE 59706924T DE 59706924 D1 DE59706924 D1 DE 59706924D1
Authority
DE
Germany
Prior art keywords
flame
fluid
furnace
pressure vibrations
gas
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
DE59706924T
Other languages
German (de)
Inventor
Dr-Ing Buechner
Prof Dr-Ing Leuckel
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.)
DVGW DEUTSCHER VER DES GAS und
Original Assignee
DVGW DEUTSCHER VER DES GAS und
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
Priority claimed from DE1996104385 external-priority patent/DE19604385A1/en
Priority claimed from DE19604384A external-priority patent/DE19604384A1/en
Application filed by DVGW DEUTSCHER VER DES GAS und filed Critical DVGW DEUTSCHER VER DES GAS und
Application granted granted Critical
Publication of DE59706924D1 publication Critical patent/DE59706924D1/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
    • 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
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/002—Supplying water
    • 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 
    • F23C2203/00—Flame cooling methods otherwise than by staging or recirculation
    • F23C2203/30—Injection of tempering fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2206/00—Burners for specific applications
    • F23D2206/10—Turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2210/00—Noise abatement

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)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Furnace Details (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)

Abstract

The process is used to suppress flame and pressure fluctuations in a heating system which has a burner (1) in order to generate a flame (2), which is directed towards a combustion chamber (3). A fluid (11) is fed into the chamber, so that it enters from the outside in order to form vortices (7) in the outer region of the flame. The fluid may be supplied continuously, and may also be distributed uniformly around the circumference of the flame. The fluid may be a gas, and may have a fuel content and temperature which keeps the mixture of fuel, air, and gas which is formed in the vortices, outside the ignition limit which depends on the temperature and fuel content.
DE59706924T 1996-02-07 1997-01-18 Method and device for suppressing flame / pressure vibrations in a furnace Expired - Lifetime DE59706924D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996104385 DE19604385A1 (en) 1996-02-07 1996-02-07 Process to suppress flame and pressure fluctuations in heating system
DE19604384A DE19604384A1 (en) 1996-02-07 1996-02-07 Process to suppress flame and pressure fluctuations in heating system

Publications (1)

Publication Number Publication Date
DE59706924D1 true DE59706924D1 (en) 2002-05-16

Family

ID=26022695

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59706924T Expired - Lifetime DE59706924D1 (en) 1996-02-07 1997-01-18 Method and device for suppressing flame / pressure vibrations in a furnace

Country Status (4)

Country Link
EP (1) EP0789193B1 (en)
JP (1) JPH09310818A (en)
AT (1) ATE216052T1 (en)
DE (1) DE59706924D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999063276A1 (en) * 1998-06-04 1999-12-09 Siemens Aktiengesellschaft Fuel jet injector and method for injecting a fuel jet
DE19831933C1 (en) * 1998-07-16 2000-01-27 Viessmann Werke Kg Process and burner for avoiding thermoacoustic flame or pressure vibrations in furnaces operated with fan-assisted burners
DE10000415A1 (en) * 2000-01-07 2001-09-06 Alstom Power Schweiz Ag Baden Method and device for suppressing flow vortices within a fluid power machine
CN1294380C (en) * 2003-12-09 2007-01-10 财团法人工业技术研究院 Burner
US8096804B2 (en) * 2008-04-30 2012-01-17 IFP Energies Nouvelles Device for controlling the radial profile of the temperature of a confined gas stream

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4863371A (en) * 1988-06-03 1989-09-05 Union Carbide Corporation Low NOx high efficiency combustion process
CH682009A5 (en) * 1990-11-02 1993-06-30 Asea Brown Boveri
DE4308731A1 (en) * 1993-03-19 1994-09-22 Babcock Omnical Gmbh Method for reducing the formation of NOx, and boiler

Also Published As

Publication number Publication date
EP0789193B1 (en) 2002-04-10
JPH09310818A (en) 1997-12-02
EP0789193A3 (en) 1998-08-19
ATE216052T1 (en) 2002-04-15
EP0789193A2 (en) 1997-08-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition