FR2934312B1 - Systeme et procede pour fournir de la vapeur de refroidissement surcritique dans l'espace de passage de roue d'une turbine - Google Patents

Systeme et procede pour fournir de la vapeur de refroidissement surcritique dans l'espace de passage de roue d'une turbine

Info

Publication number
FR2934312B1
FR2934312B1 FR0954907A FR0954907A FR2934312B1 FR 2934312 B1 FR2934312 B1 FR 2934312B1 FR 0954907 A FR0954907 A FR 0954907A FR 0954907 A FR0954907 A FR 0954907A FR 2934312 B1 FR2934312 B1 FR 2934312B1
Authority
FR
France
Prior art keywords
turbine
passage space
cooling steam
wheel passage
providing supercritical
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
FR0954907A
Other languages
English (en)
French (fr)
Other versions
FR2934312A1 (fr
Inventor
William T Parry
Christopher M Tomaso
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 FR2934312A1 publication Critical patent/FR2934312A1/fr
Application granted granted Critical
Publication of FR2934312B1 publication Critical patent/FR2934312B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/14—Casings modified therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/047—Nozzle boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR0954907A 2008-07-24 2009-07-16 Systeme et procede pour fournir de la vapeur de refroidissement surcritique dans l'espace de passage de roue d'une turbine Expired - Fee Related FR2934312B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/178,788 US8167535B2 (en) 2008-07-24 2008-07-24 System and method for providing supercritical cooling steam into a wheelspace of a turbine

Publications (2)

Publication Number Publication Date
FR2934312A1 FR2934312A1 (fr) 2010-01-29
FR2934312B1 true FR2934312B1 (fr) 2017-06-09

Family

ID=41428904

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0954907A Expired - Fee Related FR2934312B1 (fr) 2008-07-24 2009-07-16 Systeme et procede pour fournir de la vapeur de refroidissement surcritique dans l'espace de passage de roue d'une turbine

Country Status (5)

Country Link
US (1) US8167535B2 (cg-RX-API-DMAC7.html)
JP (1) JP5709363B2 (cg-RX-API-DMAC7.html)
CN (1) CN101634232A (cg-RX-API-DMAC7.html)
DE (1) DE102009026153A1 (cg-RX-API-DMAC7.html)
FR (1) FR2934312B1 (cg-RX-API-DMAC7.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2518277B1 (en) * 2009-12-21 2018-10-10 Mitsubishi Hitachi Power Systems, Ltd. Cooling method and device in single-flow turbine
CN102146810A (zh) * 2010-02-10 2011-08-10 中国科学院工程热物理研究所 利用工质的超临界特性对高温涡轮叶片进行冷却的方法
US9057275B2 (en) * 2012-06-04 2015-06-16 Geneal Electric Company Nozzle diaphragm inducer
US9574453B2 (en) * 2014-01-02 2017-02-21 General Electric Company Steam turbine and methods of assembling the same
US10260377B2 (en) * 2017-02-03 2019-04-16 Woodward, Inc. Generating steam turbine performance maps

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2435153B2 (de) * 1974-07-22 1977-06-30 Kraftwerk Union AG, 4330 Mülheim Turbomaschine, insbesondere dampfturbine mit hoher dampfeintrittstemperatur
US4309873A (en) 1979-12-19 1982-01-12 General Electric Company Method and flow system for the control of turbine temperatures during bypass operation
JPS58113501A (ja) * 1981-12-28 1983-07-06 Toshiba Corp 蒸気タ−ビンの冷却装置
DE3209506A1 (de) * 1982-03-16 1983-09-22 Kraftwerk Union AG, 4330 Mülheim Axial beaufschlagte dampfturbine, insbesondere in zweiflutiger ausfuehrung
JPS58187501A (ja) * 1982-04-28 1983-11-01 Toshiba Corp 蒸気タ−ビンのロ−タク−リング装置
JPS59175607U (ja) * 1983-05-13 1984-11-24 株式会社日立製作所 軸流流体機械用シ−ルリング
JPS6388209A (ja) * 1986-09-30 1988-04-19 Toshiba Corp 超高温高圧タ−ビンの冷却装置
JPS643202A (en) * 1987-06-26 1989-01-09 Toshiba Corp Cooling device for steam turbine
US5253976A (en) * 1991-11-19 1993-10-19 General Electric Company Integrated steam and air cooling for combined cycle gas turbines
US5340274A (en) * 1991-11-19 1994-08-23 General Electric Company Integrated steam/air cooling system for gas turbines
US5320483A (en) * 1992-12-30 1994-06-14 General Electric Company Steam and air cooling for stator stage of a turbine
JPH09250306A (ja) 1996-03-12 1997-09-22 Toshiba Corp 蒸気タービンの冷却装置
JPH09317405A (ja) * 1996-05-29 1997-12-09 Toshiba Corp 蒸気タービンの高圧初段動翼植込部の冷却装置
CA2262050C (en) * 1998-02-17 2003-07-08 Mitsubishi Heavy Industries, Ltd. Steam-cooling type gas turbine
KR20000071653A (ko) * 1999-04-15 2000-11-25 제이 엘. 차스킨, 버나드 스나이더, 아더엠. 킹 육상용 가스 터빈 및 가스 터빈의 하나의 단을 냉각시키는방법
EP1152125A1 (de) * 2000-05-05 2001-11-07 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Kühlung eines Einström-Wellenbereichs einer Dampfturbine
EP1154123A1 (de) 2000-05-10 2001-11-14 Siemens Aktiengesellschaft Verfahren zur Kühlung einer Welle in einem Hochdruck-Expansionsabschnitt einer Dampfturbine
US6779972B2 (en) 2002-10-31 2004-08-24 General Electric Company Flowpath sealing and streamlining configuration for a turbine
EP1445427A1 (de) * 2003-02-05 2004-08-11 Siemens Aktiengesellschaft Dampfturbine und Verfahren zum Betreiben einer Dampfturbine
EP1455066B1 (de) * 2003-03-06 2010-06-02 Siemens Aktiengesellschaft Verfahren zur Kühlung einer Strömungsmaschine und Strömungsmaschine dafür
CN100406685C (zh) * 2003-04-30 2008-07-30 株式会社东芝 中压蒸汽轮机、蒸汽轮机发电厂及其运转方法
US6896482B2 (en) 2003-09-03 2005-05-24 General Electric Company Expanding sealing strips for steam turbines
CA2564155C (en) * 2004-06-01 2012-04-24 Noboru Masada Highly efficient heat cycle device

Also Published As

Publication number Publication date
US20100021283A1 (en) 2010-01-28
JP2010031861A (ja) 2010-02-12
US8167535B2 (en) 2012-05-01
CN101634232A (zh) 2010-01-27
DE102009026153A1 (de) 2010-01-28
JP5709363B2 (ja) 2015-04-30
FR2934312A1 (fr) 2010-01-29

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