CN108368745B - 密封结构及涡轮 - Google Patents

密封结构及涡轮 Download PDF

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Publication number
CN108368745B
CN108368745B CN201680071378.8A CN201680071378A CN108368745B CN 108368745 B CN108368745 B CN 108368745B CN 201680071378 A CN201680071378 A CN 201680071378A CN 108368745 B CN108368745 B CN 108368745B
Authority
CN
China
Prior art keywords
sealing
fins
radial direction
seal
rotor
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.)
Active
Application number
CN201680071378.8A
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English (en)
Chinese (zh)
Other versions
CN108368745A (zh
Inventor
桑村祥弘
小西英治
西川丰治
西本慎
上原秀和
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 CN108368745A publication Critical patent/CN108368745A/zh
Application granted granted Critical
Publication of CN108368745B publication Critical patent/CN108368745B/zh
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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
    • F01D11/08—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
    • F01D11/001—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/28—Arrangement of seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/20—Packing materials therefor
    • F16J15/22—Packing materials therefor shaped as strands, ropes, threads, ribbons, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F16J15/4472—Labyrinth packings with axial path
    • 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
    • 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
    • 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
    • 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
    • F05D2250/30—Arrangement of components
    • F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05D2250/312—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being parallel to each other
    • 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
    • F05D2250/30—Arrangement of components
    • F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05D2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
    • 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
    • F05D2250/30—Arrangement of components
    • F05D2250/32—Arrangement of components according to their shape
    • F05D2250/324—Arrangement of components according to their shape divergent

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Devices (AREA)
CN201680071378.8A 2015-12-10 2016-11-24 密封结构及涡轮 Active CN108368745B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015-241452 2015-12-10
JP2015241452A JP6785041B2 (ja) 2015-12-10 2015-12-10 シール構造及びタービン
PCT/JP2016/084819 WO2017098932A1 (ja) 2015-12-10 2016-11-24 シール構造及びタービン

Publications (2)

Publication Number Publication Date
CN108368745A CN108368745A (zh) 2018-08-03
CN108368745B true CN108368745B (zh) 2020-06-30

Family

ID=59014114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680071378.8A Active CN108368745B (zh) 2015-12-10 2016-11-24 密封结构及涡轮

Country Status (6)

Country Link
US (1) US10975711B2 (enExample)
JP (1) JP6785041B2 (enExample)
KR (1) KR102031510B1 (enExample)
CN (1) CN108368745B (enExample)
DE (1) DE112016005689T5 (enExample)
WO (1) WO2017098932A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860325B1 (ko) * 2002-07-02 2008-09-26 주식회사 포스코 출선구 개공기의 센터조정장치
JP6530918B2 (ja) * 2015-01-22 2019-06-12 三菱日立パワーシステムズ株式会社 タービン
JP6227572B2 (ja) * 2015-01-27 2017-11-08 三菱日立パワーシステムズ株式会社 タービン
DE102018210513A1 (de) 2018-06-27 2020-01-02 MTU Aero Engines AG Rotor für eine Strömungsmaschine und Strömungsmaschine mit einem solchen Rotor
US11459912B2 (en) * 2018-07-13 2022-10-04 Mitsubishi Heavy Industries, Ltd. Flow guide, steam turbine, inside member, and method for manufacturing flow guide
FR3084398B1 (fr) 2018-07-24 2021-04-16 Safran Aircraft Engines Aube de turbine
CN110296204B (zh) * 2019-07-26 2024-09-17 株洲齿轮有限责任公司 轴密封结构及一体化驱动系统
JP6808872B1 (ja) * 2020-04-28 2021-01-06 三菱パワー株式会社 シール装置及び回転機械
DE112022000202T5 (de) 2021-03-30 2023-08-17 Mitsubishi Heavy Industries, Ltd. Verfahren zum Herstellen eines Dichtungsrings, Verfahren zum Zusammenbauen einer Turbine, und Turbine
DE102023121106A1 (de) 2023-08-08 2025-02-13 MTU Aero Engines AG Leitschaufelanordnung einer Strömungsmaschine und Verfahren zur Montage einer Leitschaufelanordnung
JP2026080835A (ja) * 2024-11-01 2026-05-18 三菱重工サーマルシステムズ株式会社 シール構造及び回転機械

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2409247A (en) * 2003-12-20 2005-06-22 Rolls Royce Plc A seal arrangement
JP2009047043A (ja) 2007-08-17 2009-03-05 Mitsubishi Heavy Ind Ltd 軸流タービン
US20110156359A1 (en) 2009-12-31 2011-06-30 General Electric Company Turbine engine seals
JP5484990B2 (ja) * 2010-03-30 2014-05-07 三菱重工業株式会社 タービン
US8434766B2 (en) * 2010-08-18 2013-05-07 General Electric Company Turbine engine seals
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
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
GB2492546A (en) * 2011-07-04 2013-01-09 Alstom Technology Ltd A labyrinth seal for an axial fluid flow turbomachine
EP2642081A1 (en) * 2012-03-21 2013-09-25 Alstom Technology Ltd Labyrinth seal for turbines
JP5916458B2 (ja) * 2012-03-23 2016-05-11 三菱日立パワーシステムズ株式会社 タービン
JP6296649B2 (ja) 2014-03-04 2018-03-20 三菱日立パワーシステムズ株式会社 シール構造、及び回転機械
JP6490498B2 (ja) * 2015-06-03 2019-03-27 三菱日立パワーシステムズ株式会社 シール装置および回転機械

Also Published As

Publication number Publication date
JP6785041B2 (ja) 2020-11-18
US20180371927A1 (en) 2018-12-27
KR20180075665A (ko) 2018-07-04
CN108368745A (zh) 2018-08-03
JP2017106395A (ja) 2017-06-15
WO2017098932A1 (ja) 2017-06-15
DE112016005689T5 (de) 2018-08-30
US10975711B2 (en) 2021-04-13
KR102031510B1 (ko) 2019-10-11

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Address after: Kanagawa Prefecture, Japan

Patentee after: Mitsubishi Power Co., Ltd

Address before: Kanagawa Prefecture, Japan

Patentee before: MITSUBISHI HITACHI POWER SYSTEMS, Ltd.