US20070231762A1 - Injector for Liquid Fuel, and Staged Premix Burner Having This Injector - Google Patents

Injector for Liquid Fuel, and Staged Premix Burner Having This Injector Download PDF

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Publication number
US20070231762A1
US20070231762A1 US11/560,936 US56093606A US2007231762A1 US 20070231762 A1 US20070231762 A1 US 20070231762A1 US 56093606 A US56093606 A US 56093606A US 2007231762 A1 US2007231762 A1 US 2007231762A1
Authority
US
United States
Prior art keywords
injector
swirl
shielding
fuel
exit
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.)
Abandoned
Application number
US11/560,936
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English (en)
Inventor
Stefano Bernero
Christian Motz
Tom Strebel
Martin Zajadatz
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.)
General Electric Technology GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to ALSTOM TECHNOLOGY LTD reassignment ALSTOM TECHNOLOGY LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: STREBEL, TOM, MOTZ, CHRISTIAN JOERG, BERNERO, STEFANO, ZAJADATZ, MARTIN
Publication of US20070231762A1 publication Critical patent/US20070231762A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/34—Feeding into different combustion zones
    • F23R3/343—Pilot flames, i.e. fuel nozzles or injectors using only a very small proportion of the total fuel to insure continuous combustion
    • 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
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • F23D11/106—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting at the burner outlet
    • F23D11/107—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting at the burner outlet at least one of both being subjected to a swirling 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
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • F23D11/16—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour in which an emulsion of water and fuel is sprayed
    • 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
    • F23D11/38—Nozzles; Cleaning devices therefor
    • F23D11/383—Nozzles; Cleaning devices therefor with swirl means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
    • 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
    • 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
    • F23C2900/07021—Details of lances
    • 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

Definitions

  • One of numerous aspect of the present invention includes providing an injector for liquid fuel and a premix burner having an injector of this type, which produce a good atomization quality at a low admission pressure for the liquid fuel.
  • a further configuration provides for the shielding air to be permitted to emerge from the injector at an angle with respect to the direction of flow of the liquid fuel, so that the shielding air exerts shearing forces on the liquid fuel which emerges.
  • This can be achieved by suitably shaping the exit opening for the shielding air, in particular the outer casing which delimits the shielding-air passage.
  • the shear rate which is generated thereby allows the atomization results, when the liquid fuel emerges, to be improved.
  • Particularly high shear rates between the shielding air and the liquid fuel can be achieved with shielding air which emerges virtually perpendicular to the direction of flow of the liquid fuel.
  • the swirl nozzle and the outer casing which surrounds it and, together with the swirl nozzle, forms the shielding-air passage are arranged so as to be displaceable with respect to one another in the axial direction, i.e., in the main direction of flow of the liquid fuel.
  • This allows the geometric shape of the exit opening for the shielding air to be varied by the displacement of these components with respect to one another.
  • this displacement preferably takes place as a function of the combustion air temperature and therefore the load on the gas turbine.
  • the shielding-air velocity can be reduced by suitable displacement, and consequently the atomization, in particular the spray angle and the spray quality, can be altered.
  • the latter embodiments can be realized both with and without a swirl generator in the shielding-air passage. If there is a swirl generator in the shielding-air passage, in this case too it is possible to additionally influence the atomization quality of the liquid fuel by means of the swirl angle and/or the swirl direction.
  • the different groups of fuel exit openings for the staged supply of gaseous fuel may also be arranged elsewhere. This applies, for example, to a configuration of the premix burner in which the swirl generator is formed by a plurality of part-shells which surround a premix space in the shape of a cone envelope and between which air entry slots are formed. All or at least some of the fuel exit openings for the staged supply of gaseous fuel are in this case formed in the region of the air entry openings.
  • FIG. 5 shows a third example of a configuration of the injector.
  • FIG. 4 shows a further example of the present injector 4 , in which the injector is of similar structure to that shown in FIG. 3 .
  • the injector 4 illustrated in FIG. 4 has different exit directions for the shielding air 5 a and the liquid fuel 6 a .
  • the shielding-air flow is directed onto the direction of flow of the liquid fuel 6 a at the exit from the injector.
  • the configuration illustrated imposes a flow field on the shielding air which is virtually perpendicular to the direction of flow of the liquid fuel, so as to produce a high shear rate between the shielding air and the liquid fuel. This high shear rate promotes the atomization effect.
  • a swirl grate 13 may be arranged in the shielding-air passage, which can boost the effect of atomization still further, in particular if an oppositely directed swirl is generated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles For Spraying Of Liquid Fuel (AREA)
  • Spray-Type Burners (AREA)
US11/560,936 2004-06-07 2006-11-17 Injector for Liquid Fuel, and Staged Premix Burner Having This Injector Abandoned US20070231762A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004027702A DE102004027702A1 (de) 2004-06-07 2004-06-07 Injektor für Flüssigbrennstoff sowie gestufter Vormischbrenner mit diesem Injektor
DE102004027702.8 2004-06-07
PCT/EP2005/052563 WO2005121649A2 (de) 2004-06-07 2005-06-03 Injektor für flüssigbrennstoff sowie gestufter vormischbrenner mit diesem injektor

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/052563 Continuation WO2005121649A2 (de) 2004-06-07 2005-06-03 Injektor für flüssigbrennstoff sowie gestufter vormischbrenner mit diesem injektor

Publications (1)

Publication Number Publication Date
US20070231762A1 true US20070231762A1 (en) 2007-10-04

Family

ID=34969534

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/560,936 Abandoned US20070231762A1 (en) 2004-06-07 2006-11-17 Injector for Liquid Fuel, and Staged Premix Burner Having This Injector

Country Status (5)

Country Link
US (1) US20070231762A1 (zh)
EP (1) EP1754002B1 (zh)
CN (1) CN1957208B (zh)
DE (1) DE102004027702A1 (zh)
WO (1) WO2005121649A2 (zh)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080098994A1 (en) * 2006-10-26 2008-05-01 Innes Matthew C Method and apparatus for isolating inactive fuel passages
US20090061365A1 (en) * 2004-10-11 2009-03-05 Bernd Prade Burner for fluid fuels and method for operating such a burner
US20140123670A1 (en) * 2009-01-15 2014-05-08 Alstom Technology Ltd Gas turbine burner
EP3088802A1 (en) * 2015-04-29 2016-11-02 General Electric Technology GmbH Nozzle for a gas turbine combustor
US9500372B2 (en) 2011-12-05 2016-11-22 General Electric Company Multi-zone combustor
EP3361161A1 (en) 2017-02-13 2018-08-15 Ansaldo Energia Switzerland AG Burner assembly for a combustor of a gas turbine power plant and combustor comprising said burner assembly
EP3361159A1 (en) 2017-02-13 2018-08-15 Ansaldo Energia Switzerland AG Metod for manufacturing a burner assembly for a gas turbine combustor and burner assembly for a gas turbine combustor
US10907832B2 (en) * 2018-06-08 2021-02-02 General Electric Company Pilot nozzle tips for extended lance of combustor burner
CN115388427A (zh) * 2022-09-01 2022-11-25 国家电投集团北京重型燃气轮机技术研究有限公司 值班燃料喷嘴头、值班喷嘴和燃气轮机

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005036889A1 (de) * 2005-08-05 2007-02-15 Gerhard Wohlfarth Verfahren und Vorrichtung zur Einleitung, Förderung und Beschleunigung physikalischer Prozesse bzw. Reaktionen an flüssigen, gasförmigen Stoffen, Stoffgemischen, Lösungen und im besonderen ein Verfahren und Vorrichtung zur Steigerung des Wirkungsgrades bei Verbrennungsvorgängen in Ölfeuerungsanlagen
EP2348256A1 (en) * 2010-01-26 2011-07-27 Alstom Technology Ltd Method for operating a gas turbine and gas turbine
US8919132B2 (en) 2011-05-18 2014-12-30 Solar Turbines Inc. Method of operating a gas turbine engine
US8893500B2 (en) 2011-05-18 2014-11-25 Solar Turbines Inc. Lean direct fuel injector
US9182124B2 (en) 2011-12-15 2015-11-10 Solar Turbines Incorporated Gas turbine and fuel injector for the same
CN106247408B (zh) * 2016-07-27 2019-01-18 中国科学院工程热物理研究所 一种拓宽回火裕度的喷嘴、喷嘴阵列和燃烧器
CN114962100B (zh) * 2022-06-07 2023-04-25 一汽解放汽车有限公司 一种双相预混合喷射器

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946552A (en) * 1973-09-10 1976-03-30 General Electric Company Fuel injection apparatus
US3972182A (en) * 1973-09-10 1976-08-03 General Electric Company Fuel injection apparatus
US4334854A (en) * 1977-06-29 1982-06-15 Smit Ovens Nijmegen B.V. Method of controlling the combustion of liquid fuel
US5224333A (en) * 1990-03-13 1993-07-06 Delavan Inc Simplex airblast fuel injection
US5487659A (en) * 1993-08-10 1996-01-30 Abb Management Ag Fuel lance for liquid and/or gaseous fuels and method for operation thereof
US5664943A (en) * 1994-07-13 1997-09-09 Abb Research Ltd. Method and device for operating a combined burner for liquid and gaseous fuels
US5782626A (en) * 1995-10-21 1998-07-21 Asea Brown Boveri Ag Airblast atomizer nozzle
US5833451A (en) * 1995-12-05 1998-11-10 Asea Brown Boveri Ag Premix burner
US6247317B1 (en) * 1998-05-22 2001-06-19 Pratt & Whitney Canada Corp. Fuel nozzle helical cooler
US20020124549A1 (en) * 2000-10-11 2002-09-12 Rolf Dittmann Burner
US6474569B1 (en) * 1997-12-18 2002-11-05 Quinetiq Limited Fuel injector
US20030152880A1 (en) * 2000-06-15 2003-08-14 Adnan Eroglu Method for operating a burner and burner with stepped premix gas injection

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Publication number Priority date Publication date Assignee Title
DE962391C (de) * 1953-12-08 1957-04-18 Daimler Benz Ag Einrichtung zur Zerstaeubung und Mischung von Brennstoff mit Druckluft an Brennkammern, insbesondere fuer Brennkraftturbinen
DE2109136A1 (de) * 1971-02-26 1972-09-07 Messer Griesheim Gmbh Ölbrenner
CA1185850A (en) * 1982-01-11 1985-04-23 Essex Group, Inc. Electromagnetic fuel injector with improved discharge structure
DE3206074A1 (de) * 1982-02-17 1983-08-18 Körting Hannover AG, 3000 Hannover Brenner fuer staubfoermige, gasfoermige und/oder fluessige brennstoffe
US6405523B1 (en) * 2000-09-29 2002-06-18 General Electric Company Method and apparatus for decreasing combustor emissions
DE10051221A1 (de) * 2000-10-16 2002-07-11 Alstom Switzerland Ltd Brenner mit gestufter Brennstoff-Eindüsung
ITMI20012784A1 (it) * 2001-12-21 2003-06-21 Nuovo Pignone Spa Iniettore migliorato di combustibile liquido per bruciatori di turbine a gas
DE10334228A1 (de) * 2002-08-19 2004-03-04 Alstom (Switzerland) Ltd. Verfahren zum Betrieb eines Vormischbrenners sowie Vorrichtung zur Durchführung des Verfahrens

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946552A (en) * 1973-09-10 1976-03-30 General Electric Company Fuel injection apparatus
US3972182A (en) * 1973-09-10 1976-08-03 General Electric Company Fuel injection apparatus
US4334854A (en) * 1977-06-29 1982-06-15 Smit Ovens Nijmegen B.V. Method of controlling the combustion of liquid fuel
US5224333A (en) * 1990-03-13 1993-07-06 Delavan Inc Simplex airblast fuel injection
US5487659A (en) * 1993-08-10 1996-01-30 Abb Management Ag Fuel lance for liquid and/or gaseous fuels and method for operation thereof
US5664943A (en) * 1994-07-13 1997-09-09 Abb Research Ltd. Method and device for operating a combined burner for liquid and gaseous fuels
US5782626A (en) * 1995-10-21 1998-07-21 Asea Brown Boveri Ag Airblast atomizer nozzle
US5833451A (en) * 1995-12-05 1998-11-10 Asea Brown Boveri Ag Premix burner
US6474569B1 (en) * 1997-12-18 2002-11-05 Quinetiq Limited Fuel injector
US6247317B1 (en) * 1998-05-22 2001-06-19 Pratt & Whitney Canada Corp. Fuel nozzle helical cooler
US20030152880A1 (en) * 2000-06-15 2003-08-14 Adnan Eroglu Method for operating a burner and burner with stepped premix gas injection
US20020124549A1 (en) * 2000-10-11 2002-09-12 Rolf Dittmann Burner

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090061365A1 (en) * 2004-10-11 2009-03-05 Bernd Prade Burner for fluid fuels and method for operating such a burner
US8465276B2 (en) * 2004-10-11 2013-06-18 Siemens Aktiengesellschaft Burner for fluid fuels and method for operating such a burner
US20080098994A1 (en) * 2006-10-26 2008-05-01 Innes Matthew C Method and apparatus for isolating inactive fuel passages
US7934380B2 (en) 2006-10-26 2011-05-03 Rolls-Royce Power Engineering Plc Method and apparatus for isolating inactive fuel passages
US20140123670A1 (en) * 2009-01-15 2014-05-08 Alstom Technology Ltd Gas turbine burner
US9518743B2 (en) * 2009-01-15 2016-12-13 General Electric Technology Gmbh Method for operating a gas turbine burner with a swirl generator
US9500372B2 (en) 2011-12-05 2016-11-22 General Electric Company Multi-zone combustor
EP3088802A1 (en) * 2015-04-29 2016-11-02 General Electric Technology GmbH Nozzle for a gas turbine combustor
EP3361161A1 (en) 2017-02-13 2018-08-15 Ansaldo Energia Switzerland AG Burner assembly for a combustor of a gas turbine power plant and combustor comprising said burner assembly
EP3361159A1 (en) 2017-02-13 2018-08-15 Ansaldo Energia Switzerland AG Metod for manufacturing a burner assembly for a gas turbine combustor and burner assembly for a gas turbine combustor
US20180231255A1 (en) * 2017-02-13 2018-08-16 Ansaldo Energia Switzerland AG Burner assembly for a combustor of a gas turbine power plant and combustor comprising said burner assembly
CN108426269A (zh) * 2017-02-13 2018-08-21 安萨尔多能源瑞士股份公司 燃烧器组件和包括所述燃烧器组件的燃烧室
US11199328B2 (en) 2017-02-13 2021-12-14 Ansaldo Energia Switzerland AG Method for manufacturing a burner assembly for a gas turbine combustor and burner assembly for a gas turbine combustor
US10907832B2 (en) * 2018-06-08 2021-02-02 General Electric Company Pilot nozzle tips for extended lance of combustor burner
CN115388427A (zh) * 2022-09-01 2022-11-25 国家电投集团北京重型燃气轮机技术研究有限公司 值班燃料喷嘴头、值班喷嘴和燃气轮机

Also Published As

Publication number Publication date
EP1754002B1 (de) 2016-03-16
CN1957208A (zh) 2007-05-02
WO2005121649A3 (de) 2006-09-14
CN1957208B (zh) 2010-12-15
WO2005121649A2 (de) 2005-12-22
EP1754002A2 (de) 2007-02-21
DE102004027702A1 (de) 2006-01-05

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Owner name: ALSTOM TECHNOLOGY LTD, SWITZERLAND

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BERNERO, STEFANO;MOTZ, CHRISTIAN JOERG;STREBEL, TOM;AND OTHERS;REEL/FRAME:018702/0085;SIGNING DATES FROM 20061120 TO 20061215

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION