CN106687675B - 密封结构 - Google Patents

密封结构 Download PDF

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Publication number
CN106687675B
CN106687675B CN201580047972.9A CN201580047972A CN106687675B CN 106687675 B CN106687675 B CN 106687675B CN 201580047972 A CN201580047972 A CN 201580047972A CN 106687675 B CN106687675 B CN 106687675B
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CN
China
Prior art keywords
end surface
flow path
axial direction
rotor axial
combustion gas
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.)
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Application number
CN201580047972.9A
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English (en)
Chinese (zh)
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CN106687675A (zh
Inventor
近藤隆博
桥本真也
谷口健太
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
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Publication of CN106687675A publication Critical patent/CN106687675A/zh
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Classifications

    • 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
    • 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
    • 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
    • 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
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator 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
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/023—Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings
    • 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
    • F02C7/12—Cooling of plants
    • F02C7/16—Cooling of plants characterised by cooling medium
    • F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
    • 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
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • 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
    • F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
    • 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
    • F16J15/4476—Labyrinth packings with radial 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/30—Manufacture with deposition of material
    • F05D2230/31—Layer deposition
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid

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)
  • Gasket Seals (AREA)
CN201580047972.9A 2014-09-26 2015-07-07 密封结构 Active CN106687675B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014196771A JP6366180B2 (ja) 2014-09-26 2014-09-26 シール構造
JP2014-196771 2014-09-26
PCT/JP2015/069520 WO2016047237A1 (ja) 2014-09-26 2015-07-07 シール構造

Publications (2)

Publication Number Publication Date
CN106687675A CN106687675A (zh) 2017-05-17
CN106687675B true CN106687675B (zh) 2018-07-13

Family

ID=55580775

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580047972.9A Active CN106687675B (zh) 2014-09-26 2015-07-07 密封结构

Country Status (6)

Country Link
US (1) US10557357B2 (enExample)
JP (1) JP6366180B2 (enExample)
KR (1) KR101858417B1 (enExample)
CN (1) CN106687675B (enExample)
DE (1) DE112015004414B4 (enExample)
WO (1) WO2016047237A1 (enExample)

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PL232314B1 (pl) * 2016-05-06 2019-06-28 Gen Electric Maszyna przepływowa zawierająca system regulacji luzu
US10309246B2 (en) 2016-06-07 2019-06-04 General Electric Company Passive clearance control system for gas turbomachine
US10392944B2 (en) 2016-07-12 2019-08-27 General Electric Company Turbomachine component having impingement heat transfer feature, related turbomachine and storage medium
US10605093B2 (en) 2016-07-12 2020-03-31 General Electric Company Heat transfer device and related turbine airfoil
CN106121739A (zh) * 2016-08-11 2016-11-16 广东惠州天然气发电有限公司 一种尾筒密封件
US10294801B2 (en) * 2017-07-25 2019-05-21 United Technologies Corporation Rotor blade having anti-wear surface
JP6917278B2 (ja) * 2017-11-14 2021-08-11 三菱パワー株式会社 ガスタービンの環状シール及びガスタービン
GB201800674D0 (en) * 2018-01-16 2018-02-28 Rolls Royce Plc A combustion chamber arrangement
US11473436B2 (en) * 2019-10-14 2022-10-18 General Electric Company Seal assembly
US11098612B2 (en) * 2019-11-18 2021-08-24 Raytheon Technologies Corporation Blade outer air seal including cooling trench
JP6737969B1 (ja) 2020-02-18 2020-08-12 三菱日立パワーシステムズ株式会社 出口シール、及びこれを備えるガスタービン
DE112022000193T5 (de) 2021-03-09 2023-09-14 Mitsubishi Heavy Industries, Ltd. Dichtungselement und Gasturbine
US11920487B1 (en) * 2022-09-30 2024-03-05 Rtx Corporation Gas turbine engine including flow path flex seal with cooling air bifurcation
US11965427B1 (en) * 2022-09-30 2024-04-23 Rtx Corporation Gas turbine engine including flow path flex seal and heat shield

Citations (6)

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CN1511242A (zh) * 2001-05-25 2004-07-07 西门子公司 用于热燃气导引部件、尤其是用于燃气轮机结构件的隔热装置以及构成此类装置的方法
CN1519464A (zh) * 2003-01-22 2004-08-11 �����ع�ҵ��ʽ���� 燃气轮机尾管密封件及使用该密封件的燃气轮机
JP4381276B2 (ja) * 2004-10-08 2009-12-09 三菱重工業株式会社 ガスタービン
JP2013164071A (ja) * 2012-02-13 2013-08-22 General Electric Co <Ge> ターボ機械のための連絡管シールアセンブリ
JP2014058893A (ja) * 2012-09-18 2014-04-03 Hitachi Ltd シール装置及びシール装置を備えたガスタービン
JP2014148964A (ja) * 2013-02-04 2014-08-21 Mitsubishi Heavy Ind Ltd ガスタービン尾筒シール及びガスタービン

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JPS62185363A (ja) 1986-02-10 1987-08-13 Hitachi Ltd 半導体装置
JP4031590B2 (ja) 1999-03-08 2008-01-09 三菱重工業株式会社 燃焼器の尾筒シール構造及びその構造を用いたガスタービン
US7033138B2 (en) 2002-09-06 2006-04-25 Mitsubishi Heavy Industries, Ltd. Ring segment of gas turbine
US7527469B2 (en) * 2004-12-10 2009-05-05 Siemens Energy, Inc. Transition-to-turbine seal apparatus and kit for transition/turbine junction of a gas turbine engine
US7797948B2 (en) 2007-03-27 2010-09-21 Siemens Energy, Inc. Transition-to-turbine seal apparatus and transition-to-turbine seal junction of a gas turbine engine
JP2009167905A (ja) 2008-01-16 2009-07-30 Mitsubishi Heavy Ind Ltd ガスタービン燃焼器出口シール構造
EP2282014A1 (de) * 2009-06-23 2011-02-09 Siemens Aktiengesellschaft Rinförmiger Strömungskanalabschnitt für eine Turbomaschine
US8491259B2 (en) * 2009-08-26 2013-07-23 Siemens Energy, Inc. Seal system between transition duct exit section and turbine inlet in a gas turbine engine
JP5506834B2 (ja) 2012-01-27 2014-05-28 三菱重工業株式会社 ガスタービン
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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1511242A (zh) * 2001-05-25 2004-07-07 西门子公司 用于热燃气导引部件、尤其是用于燃气轮机结构件的隔热装置以及构成此类装置的方法
CN1519464A (zh) * 2003-01-22 2004-08-11 �����ع�ҵ��ʽ���� 燃气轮机尾管密封件及使用该密封件的燃气轮机
JP4381276B2 (ja) * 2004-10-08 2009-12-09 三菱重工業株式会社 ガスタービン
JP2013164071A (ja) * 2012-02-13 2013-08-22 General Electric Co <Ge> ターボ機械のための連絡管シールアセンブリ
JP2014058893A (ja) * 2012-09-18 2014-04-03 Hitachi Ltd シール装置及びシール装置を備えたガスタービン
JP2014148964A (ja) * 2013-02-04 2014-08-21 Mitsubishi Heavy Ind Ltd ガスタービン尾筒シール及びガスタービン

Also Published As

Publication number Publication date
JP6366180B2 (ja) 2018-08-01
KR101858417B1 (ko) 2018-05-15
KR20170038926A (ko) 2017-04-07
JP2016070081A (ja) 2016-05-09
US10557357B2 (en) 2020-02-11
DE112015004414T5 (de) 2017-07-06
WO2016047237A1 (ja) 2016-03-31
DE112015004414B4 (de) 2023-03-02
CN106687675A (zh) 2017-05-17
US20170284218A1 (en) 2017-10-05

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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.