ATE110837T1 - COMBUSTION DEVICE FOR A DUAL-FUEL BURNER. - Google Patents

COMBUSTION DEVICE FOR A DUAL-FUEL BURNER.

Info

Publication number
ATE110837T1
ATE110837T1 AT90104351T AT90104351T ATE110837T1 AT E110837 T1 ATE110837 T1 AT E110837T1 AT 90104351 T AT90104351 T AT 90104351T AT 90104351 T AT90104351 T AT 90104351T AT E110837 T1 ATE110837 T1 AT E110837T1
Authority
AT
Austria
Prior art keywords
flame
nozzle plate
pipe
dual
nozzles
Prior art date
Application number
AT90104351T
Other languages
German (de)
Original Assignee
Oertli Waermetechnik Ag
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 Oertli Waermetechnik Ag filed Critical Oertli Waermetechnik Ag
Application granted granted Critical
Publication of ATE110837T1 publication Critical patent/ATE110837T1/en

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
    • 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 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • F23C9/006—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber the recirculation taking place in the combustion chamber
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Nozzles For Spraying Of Liquid Fuel (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)

Abstract

The apparatus has an air supply duct (2) which is closed off by a nozzle plate (3) with first and second nozzles (9, 10), a fuel supply apparatus (4) which is guided through the supply duct (3), a flame pipe (5) which is arranged at a distance in front of the nozzle plate (3) so that a flue gas recirculation opening (6) is formed, the cross- section of which is adjustable, and a pipe (7) which is arranged at a distance in front of the nozzle plate (3) and surrounds the second nozzles (10) of the inner nozzle ring (12) and the mouth region of the fuel supply apparatus (4). By means of this arrangement, separate part flows, consisting of recirculated flue gas and combustion air, flow into the flame pipe (5), as a result of which flame stabilisation is brought about. Structures for flame retention can thus be omitted. <IMAGE>
AT90104351T 1989-03-10 1990-03-07 COMBUSTION DEVICE FOR A DUAL-FUEL BURNER. ATE110837T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH904/89A CH678100A5 (en) 1989-03-10 1989-03-10

Publications (1)

Publication Number Publication Date
ATE110837T1 true ATE110837T1 (en) 1994-09-15

Family

ID=4197885

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90104351T ATE110837T1 (en) 1989-03-10 1990-03-07 COMBUSTION DEVICE FOR A DUAL-FUEL BURNER.

Country Status (4)

Country Link
EP (1) EP0386732B1 (en)
AT (1) ATE110837T1 (en)
CH (1) CH678100A5 (en)
DE (1) DE59006932D1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4113412C2 (en) * 1991-04-20 1999-04-01 Saacke Gmbh & Co Kg Device for burning liquid or gaseous fuel for a furnace
DE19523094A1 (en) * 1995-06-26 1997-01-02 Abb Management Ag Combustion chamber
US5611683A (en) * 1995-08-04 1997-03-18 Air Products And Chemicals, Inc. Method and apparatus for reducing NOX production during air-oxygen-fuel combustion
DE59607583D1 (en) * 1996-05-19 2001-10-04 Oertli Thermique S A Burner with exhaust gas recirculation
AT406795B (en) * 1997-12-15 2000-09-25 Schwarz A & Co Burner for gas and oil heating boilers
FR2782150B1 (en) * 1998-08-07 2000-11-10 Pillard Chauffage IMPROVEMENTS ON LOW-EMITTING AND LOW-EMITTING NITROGEN OXIDES BURNER
FR2800844B1 (en) * 1999-11-08 2002-04-19 Muller Et Cie DEVICE FOR IMPROVING THE COMBUSTION OF A PULSE AIR FUEL BURNER
EP1279895A1 (en) * 2001-07-25 2003-01-29 Compagnie Europeenne de Bruleurs Burner combustion head with a prevaporization zone for liquid fuel
CN105698174B (en) * 2016-04-11 2018-07-17 徐州科融环境资源股份有限公司 A kind of combustion gas low NO
IT201900006424A1 (en) * 2019-04-29 2020-10-29 Stefano Pesce Combustion head with internal recirculation and burner comprising the same
EP4008955B1 (en) * 2020-12-03 2024-06-12 WS-Wärmeprozesstechnik GmbH Device and method for supplying combustion air and exhaust gas recirculation for a burner
IT202100023477A1 (en) 2021-09-10 2023-03-10 Shanghai Quanjie Envir Equip Co Ltd COMBUSTION HEAD WITH INTERNAL RECIRCULATION AND BURNER INCLUDING THE SAME

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327597A1 (en) * 1983-07-30 1985-02-07 Deutsche Babcock Werke AG, 4200 Oberhausen METHOD AND BURNER FOR BURNING LIQUID OR GASEOUS FUELS WITH REDUCED NOX PRODUCTION
FR2582781A1 (en) * 1985-06-04 1986-12-05 Mueller Rudolf BURNER FOR LIQUID COMBUSTION BOILER WITH COMBUSTION GAS RECYCLING CIRCUIT

Also Published As

Publication number Publication date
CH678100A5 (en) 1991-07-31
EP0386732A3 (en) 1991-05-15
DE59006932D1 (en) 1994-10-06
EP0386732A2 (en) 1990-09-12
EP0386732B1 (en) 1994-08-31

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Legal Events

Date Code Title Description
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee