ATE516422T1 - Dichtung für eine dampfturbine - Google Patents

Dichtung für eine dampfturbine

Info

Publication number
ATE516422T1
ATE516422T1 AT08170392T AT08170392T ATE516422T1 AT E516422 T1 ATE516422 T1 AT E516422T1 AT 08170392 T AT08170392 T AT 08170392T AT 08170392 T AT08170392 T AT 08170392T AT E516422 T1 ATE516422 T1 AT E516422T1
Authority
AT
Austria
Prior art keywords
seal
steam turbine
rotating portion
casing
fixed
Prior art date
Application number
AT08170392T
Other languages
English (en)
Inventor
Kenjiro Narita
Haruyuki Yamazaki
Hiroyuki Doi
Kei Kobayashi
Hajime Toriya
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
Application granted granted Critical
Publication of ATE516422T1 publication Critical patent/ATE516422T1/de

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
    • 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
    • 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
    • F16J15/445—Free-space packings with means for adjusting the clearance
    • 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
    • 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
    • F05D2250/10—Two-dimensional
    • F05D2250/18—Two-dimensional patterned
    • F05D2250/182—Two-dimensional patterned crenellated, notched
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/502—Thermal properties
    • F05D2300/5024—Heat conductivity

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
AT08170392T 2007-12-04 2008-12-01 Dichtung für eine dampfturbine ATE516422T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007313803A JP4668976B2 (ja) 2007-12-04 2007-12-04 蒸気タービンのシール構造

Publications (1)

Publication Number Publication Date
ATE516422T1 true ATE516422T1 (de) 2011-07-15

Family

ID=40675897

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08170392T ATE516422T1 (de) 2007-12-04 2008-12-01 Dichtung für eine dampfturbine

Country Status (5)

Country Link
US (2) US8128351B2 (de)
EP (2) EP2067930B1 (de)
JP (1) JP4668976B2 (de)
AT (1) ATE516422T1 (de)
ES (1) ES2540552T3 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4668976B2 (ja) * 2007-12-04 2011-04-13 株式会社日立製作所 蒸気タービンのシール構造
JP5411569B2 (ja) * 2009-05-01 2014-02-12 株式会社日立製作所 シール構造とその制御方法
JP5210984B2 (ja) 2009-06-29 2013-06-12 株式会社日立製作所 タービン用高信頼性メタルシール材
DE102009042857A1 (de) * 2009-09-24 2011-03-31 Rolls-Royce Deutschland Ltd & Co Kg Gasturbine mit Deckband-Labyrinthdichtung
US8864443B2 (en) * 2010-07-14 2014-10-21 Hitachi, Ltd. Sealing device for steam turbines and method for controlling sealing device
US20120067054A1 (en) 2010-09-21 2012-03-22 Palmer Labs, Llc High efficiency power production methods, assemblies, and systems
US20120076642A1 (en) * 2010-09-23 2012-03-29 Chiu Ya-Tien Sealing assembly for use in turbomachines and method of assembling same
EP2681417A1 (de) * 2011-02-28 2014-01-08 Alstom Technology Ltd Turbine mit dichtungseinrichtung zwischen leitschaufelträger und gehäuse
JP5774963B2 (ja) * 2011-10-21 2015-09-09 三菱重工業株式会社 シール装置
JP5518032B2 (ja) 2011-12-13 2014-06-11 三菱重工業株式会社 タービン、及びシール構造
EP2647796A1 (de) * 2012-04-04 2013-10-09 MTU Aero Engines GmbH Dichtungssystem für eine Strömungsmaschine
ES2700788T3 (es) * 2012-04-04 2019-02-19 MTU Aero Engines AG Sistema de sellado para una turbomáquina
JP5892880B2 (ja) * 2012-07-03 2016-03-23 三菱日立パワーシステムズ株式会社 回転機械のシール構造及び回転機械
JP5993032B2 (ja) * 2012-12-13 2016-09-14 三菱日立パワーシステムズ株式会社 回転流体機械
DE102013017710A1 (de) * 2013-10-24 2015-04-30 Man Diesel & Turbo Se Dichtungssystem
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
KR101695125B1 (ko) * 2016-01-11 2017-01-10 두산중공업 주식회사 터빈의 다단 실링 구조
US10598038B2 (en) 2017-11-21 2020-03-24 Honeywell International Inc. Labyrinth seal with variable tooth heights
KR102004648B1 (ko) * 2018-02-26 2019-07-26 두산중공업 주식회사 자기장 통신을 이용한 증기터빈 실 패킹 성능 감시 시스템
KR102088969B1 (ko) * 2018-10-23 2020-03-16 진영티비엑스(주) 라비린스 씰 어셈블리
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

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EP0187612B1 (de) * 1984-12-24 1990-09-12 United Technologies Corporation Abschleifbare Dichtung mit besonderem Erosionswiderstand
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JP2007016704A (ja) * 2005-07-08 2007-01-25 Mitsubishi Heavy Ind Ltd 回転軸のシール構造及びこれを有する回転機械
JP4718991B2 (ja) * 2005-12-22 2011-07-06 株式会社東芝 シール装置
GB0613715D0 (en) * 2006-07-11 2006-08-23 Rolls Royce Plc A seal between relatively moveable members
US8540479B2 (en) * 2007-01-11 2013-09-24 General Electric Company Active retractable seal for turbo machinery and related method
JP4668976B2 (ja) * 2007-12-04 2011-04-13 株式会社日立製作所 蒸気タービンのシール構造
JP5411569B2 (ja) * 2009-05-01 2014-02-12 株式会社日立製作所 シール構造とその制御方法

Also Published As

Publication number Publication date
US8500397B2 (en) 2013-08-06
ES2540552T3 (es) 2015-07-10
EP2372103B1 (de) 2015-04-15
EP2067930B1 (de) 2011-07-13
US20090142187A1 (en) 2009-06-04
EP2067930A2 (de) 2009-06-10
JP2009138566A (ja) 2009-06-25
JP4668976B2 (ja) 2011-04-13
US8128351B2 (en) 2012-03-06
EP2372103A1 (de) 2011-10-05
EP2067930A3 (de) 2010-06-30
US20120148389A1 (en) 2012-06-14

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Legal Events

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