JP2011085135A - 蒸気タービンロータを冷却するためのシステム及び方法 - Google Patents

蒸気タービンロータを冷却するためのシステム及び方法 Download PDF

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Publication number
JP2011085135A
JP2011085135A JP2010226125A JP2010226125A JP2011085135A JP 2011085135 A JP2011085135 A JP 2011085135A JP 2010226125 A JP2010226125 A JP 2010226125A JP 2010226125 A JP2010226125 A JP 2010226125A JP 2011085135 A JP2011085135 A JP 2011085135A
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JP
Japan
Prior art keywords
steam
rotor
cooling
steam turbine
channel
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.)
Withdrawn
Application number
JP2010226125A
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English (en)
Japanese (ja)
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JP2011085135A5 (https=
Inventor
Ravi Shankar Venkata Kasibhotla
ラヴィ・シャンカール・ヴェンカタ・カシビョトラ
Anantha Padmanabhan Bhagavatheeswaran
アナンザ・パドマナビャン・ビャガヴァシースワラン
Jr Fred Thomas Willett
フレッド・トーマス・ウィレット，ジュニア
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 JP2011085135A publication Critical patent/JP2011085135A/ja
Publication of JP2011085135A5 publication Critical patent/JP2011085135A5/ja
Withdrawn legal-status Critical Current

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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
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2010226125A 2009-10-13 2010-10-06 蒸気タービンロータを冷却するためのシステム及び方法 Withdrawn JP2011085135A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/577,884 US8376687B2 (en) 2009-10-13 2009-10-13 System and method for cooling steam turbine rotors

Publications (2)

Publication Number Publication Date
JP2011085135A true JP2011085135A (ja) 2011-04-28
JP2011085135A5 JP2011085135A5 (https=) 2013-11-21

Family

ID=43734746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010226125A Withdrawn JP2011085135A (ja) 2009-10-13 2010-10-06 蒸気タービンロータを冷却するためのシステム及び方法

Country Status (5)

Country Link
US (1) US8376687B2 (https=)
JP (1) JP2011085135A (https=)
CN (1) CN102042041A (https=)
CH (1) CH701999A2 (https=)
DE (1) DE102010038022A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013019285A (ja) * 2011-07-08 2013-01-31 Toshiba Corp 蒸気タービン
KR20150066478A (ko) * 2013-12-06 2015-06-16 제네럴 일렉트릭 컴퍼니 증기 터빈 및 증기 터빈 조립 방법
JP2017115713A (ja) * 2015-12-24 2017-06-29 三菱日立パワーシステムズ株式会社 蒸気タービン冷却装置
KR20180084116A (ko) 2015-12-24 2018-07-24 미츠비시 히타치 파워 시스템즈 가부시키가이샤 증기 터빈

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011077872A1 (ja) * 2009-12-21 2011-06-30 三菱重工業株式会社 単流型タービンにおける冷却方法及び装置
JP5495995B2 (ja) * 2010-07-14 2014-05-21 三菱重工業株式会社 コンバインドサイクル発電装置
EP2620604A1 (de) * 2012-01-25 2013-07-31 Siemens Aktiengesellschaft Verfahren zur Steuerung eines Abkühlungsprozesses von Turbinenkomponenten
US9194244B2 (en) * 2013-02-25 2015-11-24 General Electric Company Drum rotor dovetail component and related drum rotor system
US10662802B2 (en) * 2018-01-02 2020-05-26 General Electric Company Controlled flow guides for turbines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552239A (en) * 1946-10-29 1951-05-08 Gen Electric Turbine rotor cooling arrangement
US3990230A (en) * 1973-11-16 1976-11-09 Hitachi, Ltd. Method for controlling steam turbine and device therefor in composite plant equipped with steam turbine and gas turbine
DE3310396A1 (de) * 1983-03-18 1984-09-20 Kraftwerk Union AG, 4330 Mülheim Md-dampfturbine in einflutiger bauweise fuer eine hochtemperaturdampfturbinenanlage mit zwischenueberhitzung
EP1152125A1 (de) 2000-05-05 2001-11-07 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Kühlung eines Einström-Wellenbereichs einer Dampfturbine
US7488153B2 (en) * 2002-07-01 2009-02-10 Alstom Technology Ltd. Steam turbine
EP1452688A1 (de) * 2003-02-05 2004-09-01 Siemens Aktiengesellschaft Dampfturbinenrotor sowie Verfahren und Verwendung einer aktiven Kühlung eines Dampfturbinenrotors

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013019285A (ja) * 2011-07-08 2013-01-31 Toshiba Corp 蒸気タービン
KR20150066478A (ko) * 2013-12-06 2015-06-16 제네럴 일렉트릭 컴퍼니 증기 터빈 및 증기 터빈 조립 방법
JP2015113835A (ja) * 2013-12-06 2015-06-22 ゼネラル・エレクトリック・カンパニイ 蒸気タービン及びその組み立て方法
KR102323262B1 (ko) * 2013-12-06 2021-11-09 제네럴 일렉트릭 컴퍼니 증기 터빈 및 증기 터빈 조립 방법
JP2017115713A (ja) * 2015-12-24 2017-06-29 三菱日立パワーシステムズ株式会社 蒸気タービン冷却装置
KR20180084116A (ko) 2015-12-24 2018-07-24 미츠비시 히타치 파워 시스템즈 가부시키가이샤 증기 터빈
DE112016006048T5 (de) 2015-12-24 2018-09-20 Mitsubishi Hitachi Power Systems, Ltd. Dampfturbine
KR102040423B1 (ko) 2015-12-24 2019-11-04 미츠비시 히타치 파워 시스템즈 가부시키가이샤 증기 터빈
US10876408B2 (en) 2015-12-24 2020-12-29 Mitsubishi Power, Ltd. Steam turbine

Also Published As

Publication number Publication date
US20110085886A1 (en) 2011-04-14
CN102042041A (zh) 2011-05-04
DE102010038022A1 (de) 2011-04-14
US8376687B2 (en) 2013-02-19
CH701999A2 (de) 2011-04-15

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