EP2236754A3 - Aube de rotor de turbine à vapeur et turbine à vapeur associée - Google Patents

Aube de rotor de turbine à vapeur et turbine à vapeur associée Download PDF

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Publication number
EP2236754A3
EP2236754A3 EP10153973.2A EP10153973A EP2236754A3 EP 2236754 A3 EP2236754 A3 EP 2236754A3 EP 10153973 A EP10153973 A EP 10153973A EP 2236754 A3 EP2236754 A3 EP 2236754A3
Authority
EP
European Patent Office
Prior art keywords
moving blade
outer circumferential
steam turbine
circumferential side
turbine
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Withdrawn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
EP10153973.2A
Other languages
German (de)
English (en)
Other versions
EP2236754A2 (fr
Inventor
Hideki Ono
Shunsuke Mizumi
Kenichi Murata
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP2236754A2 publication Critical patent/EP2236754A2/fr
Publication of EP2236754A3 publication Critical patent/EP2236754A3/fr
Withdrawn legal-status Critical Current

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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/23—Three-dimensional prismatic
    • F05D2250/232—Three-dimensional prismatic conical

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP10153973.2A 2009-03-16 2010-02-18 Aube de rotor de turbine à vapeur et turbine à vapeur associée Withdrawn EP2236754A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009062229A JP2010216321A (ja) 2009-03-16 2009-03-16 蒸気タービンの動翼及びそれを用いた蒸気タービン

Publications (2)

Publication Number Publication Date
EP2236754A2 EP2236754A2 (fr) 2010-10-06
EP2236754A3 true EP2236754A3 (fr) 2014-01-08

Family

ID=41849497

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10153973.2A Withdrawn EP2236754A3 (fr) 2009-03-16 2010-02-18 Aube de rotor de turbine à vapeur et turbine à vapeur associée

Country Status (4)

Country Link
US (1) US20100232966A1 (fr)
EP (1) EP2236754A3 (fr)
JP (1) JP2010216321A (fr)
CN (1) CN101839148A (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011080452A (ja) 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン
DE102009049649A1 (de) * 2009-10-15 2011-04-21 Abb Turbo Systems Ag Turbinenrad
JP5484990B2 (ja) 2010-03-30 2014-05-07 三菱重工業株式会社 タービン
US8708639B2 (en) * 2010-10-11 2014-04-29 The Coca-Cola Company Turbine bucket shroud tail
US9249687B2 (en) * 2010-10-27 2016-02-02 General Electric Company Turbine exhaust diffusion system and method
JP5517910B2 (ja) 2010-12-22 2014-06-11 三菱重工業株式会社 タービン、及びシール構造
CN102108882B (zh) * 2011-03-22 2013-11-27 东方电气集团东方汽轮机有限公司 半转速核电汽轮机用的末级叶片
CN102108881B (zh) * 2011-03-22 2013-11-27 东方电气集团东方汽轮机有限公司 半转速核电汽轮机用的次末级叶片
US20130243564A1 (en) * 2012-03-14 2013-09-19 Prakash Bavanjibhai Dalsania Exhaust diffuser for turbine
JP5917329B2 (ja) 2012-08-02 2016-05-11 株式会社東芝 蒸気タービンのシール構造
JP6125351B2 (ja) * 2013-06-27 2017-05-10 株式会社東芝 蒸気タービン
JP6334258B2 (ja) * 2013-08-28 2018-05-30 株式会社東芝 蒸気タービン
KR101811223B1 (ko) * 2013-08-28 2017-12-21 가부시끼가이샤 도시바 증기 터빈
JP2015194085A (ja) * 2014-03-31 2015-11-05 株式会社東芝 蒸気タービン
CN105401982B (zh) * 2015-12-14 2017-11-07 东方电气集团东方汽轮机有限公司 半转速核电汽轮机用末级动叶片叶身结构
JP2018003812A (ja) * 2016-07-08 2018-01-11 三菱日立パワーシステムズ株式会社 動翼およびそれを用いたタービン
CN106050320B (zh) * 2016-07-13 2018-05-22 东方电气集团东方汽轮机有限公司 1000mw等级空冷汽轮发电机组的给水泵汽轮机的末级动叶片
CN108223025A (zh) * 2016-12-14 2018-06-29 中国石油天然气集团公司 一种烟气轮机过渡衬环及烟气轮机
JP7051618B2 (ja) * 2018-07-02 2022-04-11 三菱重工業株式会社 静翼セグメント、及び蒸気タービン
WO2020013109A1 (fr) * 2018-07-13 2020-01-16 三菱日立パワーシステムズ株式会社 Guide d'écoulement, turbine à vapeur, élément intérieur, et procédé de fabrication de guide d'écoulement
JP7254472B2 (ja) * 2018-09-28 2023-04-10 三菱重工業株式会社 蒸気タービンの排気室、蒸気タービン及び蒸気タービンの換装方法
JP7368260B2 (ja) * 2020-01-31 2023-10-24 三菱重工業株式会社 タービン

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529701A (en) * 1975-07-11 1977-01-25 Hitachi Ltd Rotor blade connecting mechanism for axial flow fluid machine
US4213296A (en) * 1977-12-21 1980-07-22 United Technologies Corporation Seal clearance control system for a gas turbine
EP0356305A1 (fr) * 1988-08-18 1990-02-28 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Anneau de stator de turbine associé à un support de liaison au carter de turbine
JPH08210101A (ja) * 1995-02-02 1996-08-20 Mitsubishi Heavy Ind Ltd タービン動翼
US6102655A (en) * 1997-09-19 2000-08-15 Asea Brown Boveri Ag Shroud band for an axial-flow turbine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053254A (en) * 1976-03-26 1977-10-11 United Technologies Corporation Turbine case cooling system
FR2361531A1 (fr) * 1976-08-13 1978-03-10 Europ Turb Vapeur Turbine a fluide compressible
FR2452601A1 (fr) * 1979-03-30 1980-10-24 Snecma Support amovible de revetement d'etancheite pour carter de soufflante de turboreacteur
JPS5773805A (en) * 1980-10-24 1982-05-08 Toshiba Corp Axial frow hydraulic equipment
JPH10331604A (ja) * 1997-05-30 1998-12-15 Toshiba Corp 蒸気タービンプラント
US6471480B1 (en) * 2001-04-16 2002-10-29 United Technologies Corporation Thin walled cooled hollow tip shroud
JP2003027901A (ja) * 2001-07-13 2003-01-29 Mitsubishi Heavy Ind Ltd 軸流タービン
JP2003106107A (ja) * 2001-09-27 2003-04-09 Mitsubishi Heavy Ind Ltd タービン
US7547187B2 (en) * 2005-03-31 2009-06-16 Hitachi, Ltd. Axial turbine
JP4869974B2 (ja) * 2005-03-31 2012-02-08 株式会社日立製作所 軸流タービン
JP4515404B2 (ja) * 2005-03-31 2010-07-28 株式会社日立製作所 軸流タービン

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529701A (en) * 1975-07-11 1977-01-25 Hitachi Ltd Rotor blade connecting mechanism for axial flow fluid machine
US4213296A (en) * 1977-12-21 1980-07-22 United Technologies Corporation Seal clearance control system for a gas turbine
EP0356305A1 (fr) * 1988-08-18 1990-02-28 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Anneau de stator de turbine associé à un support de liaison au carter de turbine
JPH08210101A (ja) * 1995-02-02 1996-08-20 Mitsubishi Heavy Ind Ltd タービン動翼
US6102655A (en) * 1997-09-19 2000-08-15 Asea Brown Boveri Ag Shroud band for an axial-flow turbine

Also Published As

Publication number Publication date
US20100232966A1 (en) 2010-09-16
JP2010216321A (ja) 2010-09-30
EP2236754A2 (fr) 2010-10-06
CN101839148A (zh) 2010-09-22

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