CN104024581B - 涡轮 - Google Patents

涡轮 Download PDF

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Publication number
CN104024581B
CN104024581B CN201280057231.5A CN201280057231A CN104024581B CN 104024581 B CN104024581 B CN 104024581B CN 201280057231 A CN201280057231 A CN 201280057231A CN 104024581 B CN104024581 B CN 104024581B
Authority
CN
China
Prior art keywords
blade
steam
turbine
radial
fluid
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
CN201280057231.5A
Other languages
English (en)
Chinese (zh)
Other versions
CN104024581A (zh
Inventor
桑村祥弘
松本和幸
大山宏治
田中良典
上原秀和
町田幸则
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.)
Mitsubishi Power Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of CN104024581A publication Critical patent/CN104024581A/zh
Application granted granted Critical
Publication of CN104024581B publication Critical patent/CN104024581B/zh
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
    • 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
    • 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
    • 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
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • 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
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
CN201280057231.5A 2011-12-13 2012-12-12 涡轮 Expired - Fee Related CN104024581B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-272355 2011-12-13
JP2011272355A JP5518032B2 (ja) 2011-12-13 2011-12-13 タービン、及びシール構造
PCT/JP2012/082206 WO2013089139A1 (ja) 2011-12-13 2012-12-12 タービン

Publications (2)

Publication Number Publication Date
CN104024581A CN104024581A (zh) 2014-09-03
CN104024581B true CN104024581B (zh) 2016-04-13

Family

ID=48612583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280057231.5A Expired - Fee Related CN104024581B (zh) 2011-12-13 2012-12-12 涡轮

Country Status (7)

Country Link
US (1) US10006292B2 (enExample)
EP (1) EP2792852A4 (enExample)
JP (1) JP5518032B2 (enExample)
KR (1) KR101716010B1 (enExample)
CN (1) CN104024581B (enExample)
IN (1) IN2014MN00923A (enExample)
WO (1) WO2013089139A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201309580D0 (en) * 2013-05-29 2013-07-10 Siemens Ag Rotor tip clearance
JP6344735B2 (ja) * 2014-01-30 2018-06-20 三菱重工業株式会社 シール構造、及び回転機械
JP2016089768A (ja) * 2014-11-07 2016-05-23 三菱日立パワーシステムズ株式会社 シール装置及びターボ機械
DE112015006063B4 (de) * 2015-01-27 2023-01-19 Mitsubishi Heavy Industries, Ltd. Rotationsmaschine
JP6712873B2 (ja) * 2016-02-29 2020-06-24 三菱日立パワーシステムズ株式会社 シール構造及びターボ機械
JP6638938B2 (ja) * 2016-03-25 2020-02-05 三菱日立パワーシステムズ株式会社 回転機械
CN107191258B (zh) * 2017-04-12 2019-05-10 西北工业大学 一种紧凑式宽弦高压头小流量电机用轴流冷却风扇
FR3071540B1 (fr) * 2017-09-26 2019-10-04 Safran Aircraft Engines Joint d'etancheite a labyrinthe pour une turbomachine d'aeronef
JP6930896B2 (ja) * 2017-10-31 2021-09-01 三菱重工業株式会社 タービン及び動翼
US10598038B2 (en) 2017-11-21 2020-03-24 Honeywell International Inc. Labyrinth seal with variable tooth heights
US10760442B2 (en) * 2018-01-12 2020-09-01 Raytheon Technologies Corporation Non-contact seal with angled land
JP7267022B2 (ja) * 2019-01-31 2023-05-01 三菱重工業株式会社 回転機械
JP7122274B2 (ja) * 2019-02-27 2022-08-19 三菱重工業株式会社 軸流タービン
US11555410B2 (en) * 2020-02-17 2023-01-17 Pratt & Whitney Canada Corp. Labyrinth seal with variable seal clearance
CN115929416B (zh) * 2022-12-22 2025-05-30 国能龙源蓝天节能技术有限公司 一种叶顶汽封结构
US12385408B1 (en) * 2024-01-26 2025-08-12 Rtx Corporation Life and performance improvement trenches

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1500187A (zh) * 2001-03-26 2004-05-26 株式会社东芝 带有密封装置的旋转机械
JP2004332616A (ja) * 2003-05-07 2004-11-25 Toshiba Corp 軸流型ターボ機械
JP2006291967A (ja) * 2006-05-29 2006-10-26 Toshiba Corp 軸流タービン
CN101067384A (zh) * 2006-05-05 2007-11-07 通用电气公司 旋转机器及装配方法
JP2008075510A (ja) * 2006-09-20 2008-04-03 Toshiba Corp 軸シール装置
CN1800589B (zh) * 2004-12-22 2010-06-02 通用电气公司 用于涡轮转动和静止部件之间的密封的可更换的磨耗密封支承件
JP2011012631A (ja) * 2009-07-03 2011-01-20 Mitsubishi Heavy Ind Ltd タービン
JP2011080452A (ja) * 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン
EP2372103A1 (en) * 2007-12-04 2011-10-05 Hitachi Ltd. Seal structure for a steam turbine

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4643645A (en) 1984-07-30 1987-02-17 General Electric Company Stage for a steam turbine
US4813850A (en) 1988-04-06 1989-03-21 Westinghouse Electric Corp. Integral side entry control stage blade group
JPH0230903A (ja) * 1988-07-20 1990-02-01 Hitachi Ltd 蒸気タービン
JPH11200810A (ja) * 1998-01-09 1999-07-27 Mitsubishi Heavy Ind Ltd ラビリンスシール機構
JP2002228014A (ja) * 2001-02-05 2002-08-14 Mitsubishi Heavy Ind Ltd ラビリンスシール
US6547522B2 (en) 2001-06-18 2003-04-15 General Electric Company Spring-backed abradable seal for turbomachinery
JP2008057416A (ja) * 2006-08-31 2008-03-13 Hitachi Ltd 軸流タービン
JP5228311B2 (ja) * 2006-11-08 2013-07-03 株式会社Ｉｈｉ 圧縮機静翼
JP5101317B2 (ja) 2008-01-25 2012-12-19 三菱重工業株式会社 シール構造
US20110309585A1 (en) 2009-06-16 2011-12-22 Hidekazu Uehara Shaft seal device
JP5484990B2 (ja) * 2010-03-30 2014-05-07 三菱重工業株式会社 タービン
JP5574825B2 (ja) * 2010-05-26 2014-08-20 三菱重工業株式会社 シール構造、これを備えたタービン機械およびこれを備えた発電プラント
JP5709447B2 (ja) 2010-09-28 2015-04-30 三菱日立パワーシステムズ株式会社 タービン
JP5985351B2 (ja) * 2012-10-25 2016-09-06 三菱日立パワーシステムズ株式会社 軸流タービン
JP2016089768A (ja) * 2014-11-07 2016-05-23 三菱日立パワーシステムズ株式会社 シール装置及びターボ機械

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1500187A (zh) * 2001-03-26 2004-05-26 株式会社东芝 带有密封装置的旋转机械
JP2004332616A (ja) * 2003-05-07 2004-11-25 Toshiba Corp 軸流型ターボ機械
CN1800589B (zh) * 2004-12-22 2010-06-02 通用电气公司 用于涡轮转动和静止部件之间的密封的可更换的磨耗密封支承件
CN101067384A (zh) * 2006-05-05 2007-11-07 通用电气公司 旋转机器及装配方法
JP2006291967A (ja) * 2006-05-29 2006-10-26 Toshiba Corp 軸流タービン
JP2008075510A (ja) * 2006-09-20 2008-04-03 Toshiba Corp 軸シール装置
EP2372103A1 (en) * 2007-12-04 2011-10-05 Hitachi Ltd. Seal structure for a steam turbine
JP2011012631A (ja) * 2009-07-03 2011-01-20 Mitsubishi Heavy Ind Ltd タービン
JP2011080452A (ja) * 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン

Also Published As

Publication number Publication date
KR20140088572A (ko) 2014-07-10
KR101716010B1 (ko) 2017-03-13
WO2013089139A1 (ja) 2013-06-20
EP2792852A4 (en) 2015-07-22
JP5518032B2 (ja) 2014-06-11
US20140314579A1 (en) 2014-10-23
CN104024581A (zh) 2014-09-03
IN2014MN00923A (enExample) 2015-04-17
JP2013124554A (ja) 2013-06-24
US10006292B2 (en) 2018-06-26
EP2792852A1 (en) 2014-10-22

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: Kanagawa Prefecture, Japan

Patentee after: Mitsubishi Power Co.,Ltd.

Address before: Kanagawa Prefecture, Japan

Patentee before: MITSUBISHI HEAVY INDUSTRIES, Ltd.

CP01 Change in the name or title of a patent holder
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160413

Termination date: 20211212

CF01 Termination of patent right due to non-payment of annual fee