CN108699915B - 密封构造及涡轮机械 - Google Patents

密封构造及涡轮机械 Download PDF

Info

Publication number
CN108699915B
CN108699915B CN201780013860.0A CN201780013860A CN108699915B CN 108699915 B CN108699915 B CN 108699915B CN 201780013860 A CN201780013860 A CN 201780013860A CN 108699915 B CN108699915 B CN 108699915B
Authority
CN
China
Prior art keywords
stationary
sealing
recess
rotating
concave portion
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
CN201780013860.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN108699915A (zh
Inventor
松本和幸
藤川健一
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 Hitachi Power Systems 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 Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Publication of CN108699915A publication Critical patent/CN108699915A/zh
Application granted granted Critical
Publication of CN108699915B publication Critical patent/CN108699915B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • F01D11/02—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
    • F01D11/005—Sealing means between non relatively rotating elements
    • 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
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • 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
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments
    • 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)
  • 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)
CN201780013860.0A 2016-02-29 2017-02-24 密封构造及涡轮机械 Active CN108699915B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016038047A JP6712873B2 (ja) 2016-02-29 2016-02-29 シール構造及びターボ機械
JP2016-038047 2016-02-29
PCT/JP2017/007028 WO2017150365A1 (ja) 2016-02-29 2017-02-24 シール構造及びターボ機械

Publications (2)

Publication Number Publication Date
CN108699915A CN108699915A (zh) 2018-10-23
CN108699915B true CN108699915B (zh) 2021-01-15

Family

ID=59742959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780013860.0A Active CN108699915B (zh) 2016-02-29 2017-02-24 密封构造及涡轮机械

Country Status (6)

Country Link
US (1) US10669876B2 (enExample)
JP (1) JP6712873B2 (enExample)
KR (1) KR102110066B1 (enExample)
CN (1) CN108699915B (enExample)
DE (1) DE112017001043T5 (enExample)
WO (1) WO2017150365A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6623138B2 (ja) * 2016-10-13 2019-12-18 株式会社神戸製鋼所 ラビリンスシール
JP6986426B2 (ja) * 2017-11-29 2021-12-22 三菱重工業株式会社 タービン
JP6684842B2 (ja) 2018-03-29 2020-04-22 三菱重工業株式会社 タービン動翼及び回転機械
JP7349248B2 (ja) * 2019-03-08 2023-09-22 三菱重工業株式会社 回転機械、及びシールリング

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632598A (en) * 1995-01-17 1997-05-27 Dresser-Rand Shrouded axial flow turbo machine utilizing multiple labrinth seals
CN104024581A (zh) * 2011-12-13 2014-09-03 三菱日立电力系统株式会社 涡轮
CN104662305A (zh) * 2012-11-13 2015-05-27 三菱重工压缩机有限公司 旋转机械
WO2015115558A1 (ja) * 2014-01-30 2015-08-06 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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006104952A (ja) 2004-09-30 2006-04-20 Toshiba Corp 流体機械の旋回流防止装置
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
JP2012102831A (ja) 2010-11-12 2012-05-31 Hitachi Ltd ラビリンスシール装置、およびそれを用いたターボ機械
JP5518022B2 (ja) * 2011-09-20 2014-06-11 三菱重工業株式会社 タービン
JP2013076341A (ja) 2011-09-30 2013-04-25 Mitsubishi Heavy Ind Ltd 蒸気タービンのシール構造
CN104520540B (zh) * 2012-07-11 2016-08-24 三菱日立电力系统株式会社 轴流式流体机械
CN104903547B (zh) * 2012-12-13 2016-09-21 三菱日立电力系统株式会社 旋转流体机械
JP5951890B2 (ja) * 2013-04-03 2016-07-13 三菱重工業株式会社 回転機械
JP6131177B2 (ja) 2013-12-03 2017-05-17 三菱重工業株式会社 シール構造、及び回転機械
US8939707B1 (en) * 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone terraced ridges

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632598A (en) * 1995-01-17 1997-05-27 Dresser-Rand Shrouded axial flow turbo machine utilizing multiple labrinth seals
CN104024581A (zh) * 2011-12-13 2014-09-03 三菱日立电力系统株式会社 涡轮
CN104662305A (zh) * 2012-11-13 2015-05-27 三菱重工压缩机有限公司 旋转机械
WO2015115558A1 (ja) * 2014-01-30 2015-08-06 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

Also Published As

Publication number Publication date
KR102110066B1 (ko) 2020-05-12
JP2017155625A (ja) 2017-09-07
DE112017001043T5 (de) 2018-12-20
WO2017150365A1 (ja) 2017-09-08
JP6712873B2 (ja) 2020-06-24
CN108699915A (zh) 2018-10-23
KR20180107176A (ko) 2018-10-01
US10669876B2 (en) 2020-06-02
US20190048735A1 (en) 2019-02-14

Similar Documents

Publication Publication Date Title
CN104471293B (zh) 具有螺旋形式或螺旋‑圆筒形混合形式的高阻尼迷宫密封件
JP5972374B2 (ja) 軸流流体機械
JP6296649B2 (ja) シール構造、及び回転機械
JP2012102831A (ja) ラビリンスシール装置、およびそれを用いたターボ機械
US11187097B2 (en) Rotary machine
CN108699915B (zh) 密封构造及涡轮机械
WO2017098932A1 (ja) シール構造及びタービン
CN103291379B (zh) 涡轮机
JP2014141912A (ja) 回転機械
CN110242360B (zh) 动叶片侧密封装置、静叶片侧密封装置及旋转机械
JP6684842B2 (ja) タービン動翼及び回転機械
JP2011012631A (ja) タービン
JP2017160861A (ja) ターボ機械
JP6662661B2 (ja) シール構造及びターボ機械
JP6167158B2 (ja) シール構造及びターボ機械
JP2014152696A (ja) ラビリンスシール装置、およびそれを用いたターボ機械
US11927112B2 (en) Sealing device and rotary machine
JP2014141955A (ja) 回転機械
JP5956086B2 (ja) 軸流タービン
JP2015102236A (ja) シール構造及び回転機械
JP2023150867A (ja) 回転機械
JP2020176680A (ja) シール装置、タービン
WO2017163911A1 (ja) 回転機械

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
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 HITACHI POWER SYSTEMS, Ltd.