FR2933766B1 - Dispositif de premelange pour moteur a turbine. - Google Patents

Dispositif de premelange pour moteur a turbine. Download PDF

Info

Publication number
FR2933766B1
FR2933766B1 FR0953242A FR0953242A FR2933766B1 FR 2933766 B1 FR2933766 B1 FR 2933766B1 FR 0953242 A FR0953242 A FR 0953242A FR 0953242 A FR0953242 A FR 0953242A FR 2933766 B1 FR2933766 B1 FR 2933766B1
Authority
FR
France
Prior art keywords
fluid supply
fluid
plenum
turbine engine
premixing device
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 - Fee Related
Application number
FR0953242A
Other languages
English (en)
French (fr)
Other versions
FR2933766A1 (fr
Inventor
Benjamin Lacy
Balachandar Varatharajan
Willy Steve Ziminsky
Gilbert Otto Kraemer
Ertan Yilmaz
Patrick Melton
Baifang Zuo
Christian Xavier Stevenson
David Kenton Felling
Jong Ho Uhm
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 Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2933766A1 publication Critical patent/FR2933766A1/fr
Application granted granted Critical
Publication of FR2933766B1 publication Critical patent/FR2933766B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F23R3/286—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR0953242A 2008-07-09 2009-05-15 Dispositif de premelange pour moteur a turbine. Expired - Fee Related FR2933766B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/169,865 US8147121B2 (en) 2008-07-09 2008-07-09 Pre-mixing apparatus for a turbine engine
US12/169865 2008-07-09

Publications (2)

Publication Number Publication Date
FR2933766A1 FR2933766A1 (fr) 2010-01-15
FR2933766B1 true FR2933766B1 (fr) 2018-06-08

Family

ID=41412997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0953242A Expired - Fee Related FR2933766B1 (fr) 2008-07-09 2009-05-15 Dispositif de premelange pour moteur a turbine.

Country Status (5)

Country Link
US (1) US8147121B2 (enExample)
JP (1) JP5642357B2 (enExample)
CN (1) CN101625122B (enExample)
DE (1) DE102009025775B4 (enExample)
FR (1) FR2933766B1 (enExample)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4899681B2 (ja) * 2006-07-18 2012-03-21 富士ゼロックス株式会社 マイクロ流路デバイス
JP5151204B2 (ja) * 2007-03-27 2013-02-27 富士ゼロックス株式会社 マイクロ流路デバイス及びマイクロ流路デバイスの製造方法
ITMI20070627A1 (it) * 2007-03-29 2008-09-30 Polimeri Europa Spa Dispositivo miscelatore a bassa perdita di carico e suo impiego nella miscelazione di due gas-vapori
JP5119848B2 (ja) * 2007-10-12 2013-01-16 富士ゼロックス株式会社 マイクロリアクタ装置
JP2009101299A (ja) * 2007-10-24 2009-05-14 Fuji Xerox Co Ltd マイクロナノバブル発生方法、マイクロ流路の洗浄方法、マイクロナノバブル発生システム、及び、マイクロリアクター
US8147121B2 (en) 2008-07-09 2012-04-03 General Electric Company Pre-mixing apparatus for a turbine engine
US8112999B2 (en) * 2008-08-05 2012-02-14 General Electric Company Turbomachine injection nozzle including a coolant delivery system
JP2010115624A (ja) * 2008-11-14 2010-05-27 Fuji Xerox Co Ltd マイクロ流路デバイス、分離装置、並びに、分離方法
US8297059B2 (en) * 2009-01-22 2012-10-30 General Electric Company Nozzle for a turbomachine
US9140454B2 (en) * 2009-01-23 2015-09-22 General Electric Company Bundled multi-tube nozzle for a turbomachine
US8539773B2 (en) * 2009-02-04 2013-09-24 General Electric Company Premixed direct injection nozzle for highly reactive fuels
JP5003702B2 (ja) * 2009-03-16 2012-08-15 富士ゼロックス株式会社 マイクロ流体素子及びマイクロ流体制御方法
US8616002B2 (en) * 2009-07-23 2013-12-31 General Electric Company Gas turbine premixing systems
US8794545B2 (en) * 2009-09-25 2014-08-05 General Electric Company Internal baffling for fuel injector
US8800289B2 (en) 2010-09-08 2014-08-12 General Electric Company Apparatus and method for mixing fuel in a gas turbine nozzle
US20120180487A1 (en) * 2011-01-19 2012-07-19 General Electric Company System for flow control in multi-tube fuel nozzle
US20120192566A1 (en) * 2011-01-28 2012-08-02 Jong Ho Uhm Fuel injection assembly for use in turbine engines and method of assembling same
US9010083B2 (en) 2011-02-03 2015-04-21 General Electric Company Apparatus for mixing fuel in a gas turbine
US8875516B2 (en) 2011-02-04 2014-11-04 General Electric Company Turbine combustor configured for high-frequency dynamics mitigation and related method
US9068750B2 (en) * 2011-03-04 2015-06-30 General Electric Company Combustor with a pre-nozzle mixing cap assembly
US9909533B2 (en) * 2011-07-29 2018-03-06 Board Of Regents, The University Of Texas System Pulsed detonation engine
US9388985B2 (en) 2011-07-29 2016-07-12 General Electric Company Premixing apparatus for gas turbine system
US8904797B2 (en) 2011-07-29 2014-12-09 General Electric Company Sector nozzle mounting systems
US9506654B2 (en) 2011-08-19 2016-11-29 General Electric Company System and method for reducing combustion dynamics in a combustor
US8984887B2 (en) 2011-09-25 2015-03-24 General Electric Company Combustor and method for supplying fuel to a combustor
US8801428B2 (en) 2011-10-04 2014-08-12 General Electric Company Combustor and method for supplying fuel to a combustor
US8550809B2 (en) 2011-10-20 2013-10-08 General Electric Company Combustor and method for conditioning flow through a combustor
US9188335B2 (en) 2011-10-26 2015-11-17 General Electric Company System and method for reducing combustion dynamics and NOx in a combustor
US9004912B2 (en) 2011-11-11 2015-04-14 General Electric Company Combustor and method for supplying fuel to a combustor
US9033699B2 (en) 2011-11-11 2015-05-19 General Electric Company Combustor
US8894407B2 (en) 2011-11-11 2014-11-25 General Electric Company Combustor and method for supplying fuel to a combustor
US9366440B2 (en) 2012-01-04 2016-06-14 General Electric Company Fuel nozzles with mixing tubes surrounding a liquid fuel cartridge for injecting fuel in a gas turbine combustor
US9134031B2 (en) * 2012-01-04 2015-09-15 General Electric Company Combustor of a turbomachine including multiple tubular radial pathways arranged at multiple circumferential and axial locations
US9322557B2 (en) 2012-01-05 2016-04-26 General Electric Company Combustor and method for distributing fuel in the combustor
US9134030B2 (en) * 2012-01-23 2015-09-15 General Electric Company Micromixer of turbine system
US9341376B2 (en) 2012-02-20 2016-05-17 General Electric Company Combustor and method for supplying fuel to a combustor
US9052112B2 (en) 2012-02-27 2015-06-09 General Electric Company Combustor and method for purging a combustor
US9121612B2 (en) 2012-03-01 2015-09-01 General Electric Company System and method for reducing combustion dynamics in a combustor
US8511086B1 (en) 2012-03-01 2013-08-20 General Electric Company System and method for reducing combustion dynamics in a combustor
US20130255267A1 (en) * 2012-03-30 2013-10-03 General Electric Company System and method of improving emission performance of a gas turbine
US9267690B2 (en) 2012-05-29 2016-02-23 General Electric Company Turbomachine combustor nozzle including a monolithic nozzle component and method of forming the same
US20130318976A1 (en) * 2012-05-29 2013-12-05 General Electric Company Turbomachine combustor nozzle and method of forming the same
US9212822B2 (en) 2012-05-30 2015-12-15 General Electric Company Fuel injection assembly for use in turbine engines and method of assembling same
US9249734B2 (en) 2012-07-10 2016-02-02 General Electric Company Combustor
US8904798B2 (en) 2012-07-31 2014-12-09 General Electric Company Combustor
US9291103B2 (en) * 2012-12-05 2016-03-22 General Electric Company Fuel nozzle for a combustor of a gas turbine engine
US9353950B2 (en) 2012-12-10 2016-05-31 General Electric Company System for reducing combustion dynamics and NOx in a combustor
US9416973B2 (en) 2013-01-07 2016-08-16 General Electric Company Micromixer assembly for a turbine system and method of distributing an air-fuel mixture to a combustor chamber
US9291352B2 (en) 2013-03-15 2016-03-22 General Electric Company System having a multi-tube fuel nozzle with an inlet flow conditioner
US9784452B2 (en) 2013-03-15 2017-10-10 General Electric Company System having a multi-tube fuel nozzle with an aft plate assembly
US9546789B2 (en) 2013-03-15 2017-01-17 General Electric Company System having a multi-tube fuel nozzle
US9303873B2 (en) 2013-03-15 2016-04-05 General Electric Company System having a multi-tube fuel nozzle with a fuel nozzle housing
US9316397B2 (en) 2013-03-15 2016-04-19 General Electric Company System and method for sealing a fuel nozzle
US9062883B2 (en) * 2013-06-06 2015-06-23 General Electric Company Turbomachine fuel-air mixer component including an additively manufactured portion joined to a non-additively manufactured portion and method
US9574533B2 (en) 2013-06-13 2017-02-21 General Electric Company Fuel injection nozzle and method of manufacturing the same
US9273868B2 (en) 2013-08-06 2016-03-01 General Electric Company System for supporting bundled tube segments within a combustor
US10274200B2 (en) * 2013-10-18 2019-04-30 Mitsubishi Heavy Industries, Ltd. Fuel injector, combustor, and gas turbine
US9423135B2 (en) 2013-11-21 2016-08-23 General Electric Company Combustor having mixing tube bundle with baffle arrangement for directing fuel
US9518742B2 (en) * 2013-12-02 2016-12-13 General Electric Company Premixer assembly for mixing air and fuel for combustion
US10139111B2 (en) * 2014-03-28 2018-11-27 Siemens Energy, Inc. Dual outlet nozzle for a secondary fuel stage of a combustor of a gas turbine engine
US20160186663A1 (en) * 2014-12-30 2016-06-30 General Electric Company Pilot nozzle in gas turbine combustor
US10408455B2 (en) * 2016-06-14 2019-09-10 General Electric Company Fuel nozzle assembly with fuel inlet slots
US20170370589A1 (en) * 2016-06-22 2017-12-28 General Electric Company Multi-tube late lean injector
US10473384B2 (en) 2016-07-11 2019-11-12 Logan H. Stollenwerck, III Cooler divider
US10145561B2 (en) 2016-09-06 2018-12-04 General Electric Company Fuel nozzle assembly with resonator
US10982593B2 (en) * 2017-06-16 2021-04-20 General Electric Company System and method for combusting liquid fuel in a gas turbine combustor with staged combustion
US11525578B2 (en) 2017-08-16 2022-12-13 General Electric Company Dynamics-mitigating adapter for bundled tube fuel nozzle
US11248794B2 (en) * 2019-12-31 2022-02-15 General Electric Company Fluid mixing apparatus using liquid fuel and high- and low-pressure fluid streams
DE112022000843T5 (de) * 2021-03-31 2023-11-23 Mitsubishi Heavy Industries Ltd. Brennkammer und Gasturbine
US12297774B2 (en) 2021-04-29 2025-05-13 General Electric Company Fuel mixer
KR20240145968A (ko) * 2021-11-03 2024-10-07 파워 시스템즈 엠에프지., 엘엘씨 가스 터빈 엔진용의 분할 공기류를 갖는 멀티튜브 파일럿 분사기
KR102599921B1 (ko) * 2022-03-21 2023-11-07 두산에너빌리티 주식회사 연소기용 노즐, 연소기, 및 이를 포함하는 가스 터빈
EP4276358A1 (en) 2022-05-12 2023-11-15 Siemens Energy Global GmbH & Co. KG Fuel nozzle with multiple air passages
CN115451431B (zh) * 2022-09-22 2024-04-16 中国联合重型燃气轮机技术有限公司 一种用于燃气轮机燃烧室的燃料喷嘴预混系统
EP4343206B1 (en) * 2022-09-23 2025-05-07 RTX Corporation Gas turbine engine fuel injector with multiple fuel circuits
KR102762434B1 (ko) * 2022-12-28 2025-02-05 두산에너빌리티 주식회사 노즐 어셈블리, 연소기 및 이를 포함하는 가스터빈
US20250362020A1 (en) * 2024-05-22 2025-11-27 General Electric Company Gas turbine engine and fuel nozzle assembly therefor

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1808120A (en) 1929-08-09 1931-06-02 Fried Krupp Germaniawerft Ag Pulverized fuel furnace
US4100733A (en) * 1976-10-04 1978-07-18 United Technologies Corporation Premix combustor
US4429527A (en) * 1981-06-19 1984-02-07 Teets J Michael Turbine engine with combustor premix system
US5193346A (en) * 1986-11-25 1993-03-16 General Electric Company Premixed secondary fuel nozzle with integral swirler
US5339635A (en) * 1987-09-04 1994-08-23 Hitachi, Ltd. Gas turbine combustor of the completely premixed combustion type
US4845952A (en) * 1987-10-23 1989-07-11 General Electric Company Multiple venturi tube gas fuel injector for catalytic combustor
DE4110507C2 (de) * 1991-03-30 1994-04-07 Mtu Muenchen Gmbh Brenner für Gasturbinentriebwerke mit mindestens einer für die Zufuhr von Verbrennungsluft lastabhängig regulierbaren Dralleinrichtung
US5199265A (en) * 1991-04-03 1993-04-06 General Electric Company Two stage (premixed/diffusion) gas only secondary fuel nozzle
US5235814A (en) * 1991-08-01 1993-08-17 General Electric Company Flashback resistant fuel staged premixed combustor
JPH05196232A (ja) * 1991-08-01 1993-08-06 General Electric Co <Ge> 耐逆火性燃料ステージング式予混合燃焼器
US5263325A (en) * 1991-12-16 1993-11-23 United Technologies Corporation Low NOx combustion
US5259184A (en) * 1992-03-30 1993-11-09 General Electric Company Dry low NOx single stage dual mode combustor construction for a gas turbine
US5487275A (en) * 1992-12-11 1996-01-30 General Electric Co. Tertiary fuel injection system for use in a dry low NOx combustion system
US5746048A (en) * 1994-09-16 1998-05-05 Sundstrand Corporation Combustor for a gas turbine engine
US5590529A (en) * 1994-09-26 1997-01-07 General Electric Company Air fuel mixer for gas turbine combustor
JPH08270950A (ja) * 1995-02-01 1996-10-18 Mitsubishi Heavy Ind Ltd ガスタービン燃焼器
US5881756A (en) 1995-12-22 1999-03-16 Institute Of Gas Technology Process and apparatus for homogeneous mixing of gaseous fluids
US5680766A (en) * 1996-01-02 1997-10-28 General Electric Company Dual fuel mixer for gas turbine combustor
US5778676A (en) * 1996-01-02 1998-07-14 General Electric Company Dual fuel mixer for gas turbine combustor
US5685139A (en) * 1996-03-29 1997-11-11 General Electric Company Diffusion-premix nozzle for a gas turbine combustor and related method
US5899075A (en) * 1997-03-17 1999-05-04 General Electric Company Turbine engine combustor with fuel-air mixer
US5930999A (en) * 1997-07-23 1999-08-03 General Electric Company Fuel injector and multi-swirler carburetor assembly
EP0918190A1 (de) * 1997-11-21 1999-05-26 Abb Research Ltd. Brenner für den Betrieb eines Wärmeerzeugers
DE69916911T2 (de) * 1998-02-10 2005-04-21 Gen Electric Brenner mit gleichmässiger Brennstoff/Luft Vormischung zur emissionsarmen Verbrennung
US6363724B1 (en) * 2000-08-31 2002-04-02 General Electric Company Gas only nozzle fuel tip
DE10049205A1 (de) * 2000-10-05 2002-05-23 Alstom Switzerland Ltd Verfahren und Vorrichtung zur Brennstoffversorgung eines Vormischbrenners
US6442939B1 (en) * 2000-12-22 2002-09-03 Pratt & Whitney Canada Corp. Diffusion mixer
US6427447B1 (en) * 2001-02-06 2002-08-06 United Technologies Corporation Bulkhead for dual fuel industrial and aeroengine gas turbines
US6530222B2 (en) * 2001-07-13 2003-03-11 Pratt & Whitney Canada Corp. Swirled diffusion dump combustor
US6895755B2 (en) * 2002-03-01 2005-05-24 Parker-Hannifin Corporation Nozzle with flow equalizer
US6672073B2 (en) * 2002-05-22 2004-01-06 Siemens Westinghouse Power Corporation System and method for supporting fuel nozzles in a gas turbine combustor utilizing a support plate
JP2004028352A (ja) * 2002-06-21 2004-01-29 Ishikawajima Harima Heavy Ind Co Ltd 逆火・自着火防止燃料噴射弁を備えた低ＮＯｘ燃焼器
US6962055B2 (en) * 2002-09-27 2005-11-08 United Technologies Corporation Multi-point staging strategy for low emission and stable combustion
US6681578B1 (en) * 2002-11-22 2004-01-27 General Electric Company Combustor liner with ring turbulators and related method
US7617682B2 (en) 2002-12-13 2009-11-17 Siemens Energy, Inc. Catalytic oxidation element for a gas turbine engine
DE10340826A1 (de) * 2003-09-04 2005-03-31 Rolls-Royce Deutschland Ltd & Co Kg Homogene Gemischbildung durch verdrallte Einspritzung des Kraftstoffs
US7013649B2 (en) * 2004-05-25 2006-03-21 General Electric Company Gas turbine engine combustor mixer
US7007477B2 (en) * 2004-06-03 2006-03-07 General Electric Company Premixing burner with impingement cooled centerbody and method of cooling centerbody
US6993916B2 (en) * 2004-06-08 2006-02-07 General Electric Company Burner tube and method for mixing air and gas in a gas turbine engine
US7003958B2 (en) * 2004-06-30 2006-02-28 General Electric Company Multi-sided diffuser for a venturi in a fuel injector for a gas turbine
US7416571B2 (en) * 2005-03-09 2008-08-26 Conocophillips Company Compact mixer for the mixing of gaseous hydrocarbon and gaseous oxidants
DE102005015152A1 (de) * 2005-03-31 2006-10-05 Alstom Technology Ltd. Vormischbrenner für eine Gasturbinenbrennkammer
US7832365B2 (en) * 2005-09-07 2010-11-16 Fives North American Combustion, Inc. Submerged combustion vaporizer with low NOx
US7556031B2 (en) * 2005-12-12 2009-07-07 Global Sustainability Technologies, LLC Device for enhancing fuel efficiency of and/or reducing emissions from internal combustion engines
US7810333B2 (en) * 2006-10-02 2010-10-12 General Electric Company Method and apparatus for operating a turbine engine
US8042339B2 (en) * 2008-03-12 2011-10-25 General Electric Company Lean direct injection combustion system
US8147121B2 (en) 2008-07-09 2012-04-03 General Electric Company Pre-mixing apparatus for a turbine engine
US8112999B2 (en) * 2008-08-05 2012-02-14 General Electric Company Turbomachine injection nozzle including a coolant delivery system
US7886991B2 (en) * 2008-10-03 2011-02-15 General Electric Company Premixed direct injection nozzle
US8312722B2 (en) * 2008-10-23 2012-11-20 General Electric Company Flame holding tolerant fuel and air premixer for a gas turbine combustor

Also Published As

Publication number Publication date
CN101625122B (zh) 2013-12-25
JP5642357B2 (ja) 2014-12-17
US20100008179A1 (en) 2010-01-14
US8147121B2 (en) 2012-04-03
DE102009025775A1 (de) 2010-01-14
CN101625122A (zh) 2010-01-13
JP2010019542A (ja) 2010-01-28
DE102009025775B4 (de) 2023-05-11
FR2933766A1 (fr) 2010-01-15

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