FR2963385B1 - Systeme et procede pour turbine a vapeur avec un collecteur etanche a la vapeur - Google Patents

Systeme et procede pour turbine a vapeur avec un collecteur etanche a la vapeur

Info

Publication number
FR2963385B1
FR2963385B1 FR1156635A FR1156635A FR2963385B1 FR 2963385 B1 FR2963385 B1 FR 2963385B1 FR 1156635 A FR1156635 A FR 1156635A FR 1156635 A FR1156635 A FR 1156635A FR 2963385 B1 FR2963385 B1 FR 2963385B1
Authority
FR
France
Prior art keywords
steam
steam turbine
sealed collector
collector
sealed
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
FR1156635A
Other languages
English (en)
Other versions
FR2963385A1 (fr
Inventor
Jegadeesan Maruthamuthu
Sudhahar Rajan
Kasiraman Sundar
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 FR2963385A1 publication Critical patent/FR2963385A1/fr
Application granted granted Critical
Publication of FR2963385B1 publication Critical patent/FR2963385B1/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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • 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
    • 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
    • F05D2240/00—Components
    • F05D2240/55—Seals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR1156635A 2010-07-28 2011-07-21 Systeme et procede pour turbine a vapeur avec un collecteur etanche a la vapeur Expired - Fee Related FR2963385B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/845,022 US8545166B2 (en) 2010-07-28 2010-07-28 System and method for controlling leak steam to steam seal header for improving steam turbine performance

Publications (2)

Publication Number Publication Date
FR2963385A1 FR2963385A1 (fr) 2012-02-03
FR2963385B1 true FR2963385B1 (fr) 2016-11-11

Family

ID=45471231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1156635A Expired - Fee Related FR2963385B1 (fr) 2010-07-28 2011-07-21 Systeme et procede pour turbine a vapeur avec un collecteur etanche a la vapeur

Country Status (5)

Country Link
US (1) US8545166B2 (fr)
JP (1) JP5840409B2 (fr)
DE (1) DE102011052244A1 (fr)
FR (1) FR2963385B1 (fr)
RU (1) RU2573728C2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2565401A1 (fr) * 2011-09-05 2013-03-06 Siemens Aktiengesellschaft Procédé d'équilibrage des températures dans une turbine à gaz
US9540942B2 (en) * 2012-04-13 2017-01-10 General Electric Company Shaft sealing system for steam turbines
US20130270775A1 (en) * 2012-04-13 2013-10-17 General Electric Company Shaft sealing system for steam turbines
US9003799B2 (en) * 2012-08-30 2015-04-14 General Electric Company Thermodynamic cycle optimization for a steam turbine cycle
US20140248117A1 (en) * 2013-03-01 2014-09-04 General Electric Company External midspan packing steam supply
US9032733B2 (en) * 2013-04-04 2015-05-19 General Electric Company Turbomachine system with direct header steam injection, related control system and program product
EP2801703A1 (fr) * 2013-05-08 2014-11-12 Siemens Aktiengesellschaft Installation de turbine à vapeur avec conduite de vapeur d'arrêt
EP2918792A1 (fr) 2014-03-13 2015-09-16 Siemens Aktiengesellschaft Centrale à vapeur dotée d'une conduite de vapeur de fuite à broche
CN114251135B (zh) * 2020-09-23 2024-03-19 上海电气电站设备有限公司 补汽式汽轮机机组汽封系统的小流量低负荷运行方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604206A (en) * 1968-07-31 1971-09-14 Gen Electric Shaft-sealing system for nuclear turbines
US4149386A (en) * 1976-11-12 1979-04-17 Westinghouse Electric Corp. System to control low pressure turbine temperatures
JPS54113708A (en) * 1978-02-24 1979-09-05 Toshiba Corp Steam sealing device
JPS57119107A (en) * 1981-01-17 1982-07-24 Toshiba Corp Gland seal device
JPS5928001A (ja) * 1982-08-05 1984-02-14 Ishikawajima Harima Heavy Ind Co Ltd 蒸気タ−ビンのグランド蒸気制御装置
JPS6022005A (ja) * 1983-07-15 1985-02-04 Hitachi Ltd 蒸気タ−ビン漏洩蒸気回収法
US5388411A (en) 1992-09-11 1995-02-14 General Electric Company Method of controlling seal steam source in a combined steam and gas turbine system
US5749227A (en) * 1995-06-07 1998-05-12 Electric Boat Corporation Steam seal air removal system
JPH0932512A (ja) * 1995-07-20 1997-02-04 Hitachi Ltd 蒸気タービングランドシールの蒸気供給装置
JPH1073005A (ja) * 1996-08-29 1998-03-17 Mitsubishi Heavy Ind Ltd グランドシール蒸気調整装置
JP2001227303A (ja) * 2000-02-15 2001-08-24 Fuji Electric Co Ltd 蒸気タービンの軸封装置
JP2002129907A (ja) * 2000-10-20 2002-05-09 Toshiba Corp 蒸気タービンのグランド蒸気系統
US7040861B2 (en) * 2004-03-04 2006-05-09 General Electric Company Method and apparatus for reducing self sealing flow in combined-cycle steam turbines
US7147427B1 (en) * 2004-11-18 2006-12-12 Stp Nuclear Operating Company Utilization of spillover steam from a high pressure steam turbine as sealing steam
US20060233634A1 (en) * 2005-04-18 2006-10-19 General Electric Company Method of indicating sealing steam temperature and related apparatus
US20110110760A1 (en) * 2009-11-10 2011-05-12 General Electric Company Method and system for increasing an efficiency of a pressurized machine
US8650878B2 (en) * 2010-03-02 2014-02-18 General Electric Company Turbine system including valve for leak off line for controlling seal steam flow

Also Published As

Publication number Publication date
RU2011131171A (ru) 2013-02-10
FR2963385A1 (fr) 2012-02-03
DE102011052244A1 (de) 2012-02-02
RU2573728C2 (ru) 2016-01-27
JP2012031856A (ja) 2012-02-16
US8545166B2 (en) 2013-10-01
JP5840409B2 (ja) 2016-01-06
US20120027565A1 (en) 2012-02-02

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