TWI799708B - 蒸汽渦輪機的密封間隙調整方法及蒸汽渦輪機 - Google Patents

蒸汽渦輪機的密封間隙調整方法及蒸汽渦輪機 Download PDF

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Publication number
TWI799708B
TWI799708B TW109117809A TW109117809A TWI799708B TW I799708 B TWI799708 B TW I799708B TW 109117809 A TW109117809 A TW 109117809A TW 109117809 A TW109117809 A TW 109117809A TW I799708 B TWI799708 B TW I799708B
Authority
TW
Taiwan
Prior art keywords
steam turbine
adjustment method
gap adjustment
sealing gap
sealing
Prior art date
Application number
TW109117809A
Other languages
English (en)
Other versions
TW202113220A (zh
Inventor
水見俊介
黄潔
小寺寿一
栢原正行
Original Assignee
日商三菱動力股份有限公司
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 日商三菱動力股份有限公司 filed Critical 日商三菱動力股份有限公司
Publication of TW202113220A publication Critical patent/TW202113220A/zh
Application granted granted Critical
Publication of TWI799708B publication Critical patent/TWI799708B/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
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00—Restoring or reconditioning objects
    • 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
    • F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
    • 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
    • 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
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/31—Retaining bolts or nuts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making

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)
TW109117809A 2019-05-31 2020-05-28 蒸汽渦輪機的密封間隙調整方法及蒸汽渦輪機 TWI799708B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-101996 2019-05-31
JP2019101996A JP7267109B2 (ja) 2019-05-31 2019-05-31 蒸気タービンのシールクリアランス調整方法

Publications (2)

Publication Number Publication Date
TW202113220A TW202113220A (zh) 2021-04-01
TWI799708B true TWI799708B (zh) 2023-04-21

Family

ID=73553461

Family Applications (1)

Application Number Title Priority Date Filing Date
TW109117809A TWI799708B (zh) 2019-05-31 2020-05-28 蒸汽渦輪機的密封間隙調整方法及蒸汽渦輪機

Country Status (7)

Country Link
US (1) US11828185B2 (zh)
JP (1) JP7267109B2 (zh)
CN (1) CN113874601B (zh)
DE (1) DE112020002627T5 (zh)
MX (1) MX2021014133A (zh)
TW (1) TWI799708B (zh)
WO (1) WO2020241782A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11821320B2 (en) * 2021-06-04 2023-11-21 General Electric Company Turbine engine with a rotor seal assembly
US12006829B1 (en) 2023-02-16 2024-06-11 General Electric Company Seal member support system for a gas turbine engine

Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS59191467U (ja) * 1983-06-07 1984-12-19 株式会社東芝 ラビリンスパツキン
JPS62248804A (ja) * 1986-04-22 1987-10-29 Toshiba Corp タ−ビンのシ−ル部間隙調整装置
JPH11125518A (ja) * 1997-10-22 1999-05-11 Mitsubishi Heavy Ind Ltd クリアランス測定装置

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JPS59191467A (ja) 1983-04-12 1984-10-30 Takeshi Kato 無回転鉄芯装置の発電子
US5362072A (en) 1992-12-21 1994-11-08 Imo Industries, Inc., Quabbin Division Turbine radial adjustable labyrinth seal
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JP5449976B2 (ja) * 2009-10-20 2014-03-19 株式会社東芝 軸シール装置およびタービン装置並びに軸シール装置間隙調整方法
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JP5509037B2 (ja) 2010-11-09 2014-06-04 株式会社東芝 軸シール装置、軸シール装置の間隙調整方法および蒸気タービン
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JPS59191467U (ja) * 1983-06-07 1984-12-19 株式会社東芝 ラビリンスパツキン
JPS62248804A (ja) * 1986-04-22 1987-10-29 Toshiba Corp タ−ビンのシ−ル部間隙調整装置
JPH11125518A (ja) * 1997-10-22 1999-05-11 Mitsubishi Heavy Ind Ltd クリアランス測定装置

Also Published As

Publication number Publication date
DE112020002627T5 (de) 2022-02-17
TW202113220A (zh) 2021-04-01
US20220235667A1 (en) 2022-07-28
WO2020241782A1 (ja) 2020-12-03
JP7267109B2 (ja) 2023-05-01
MX2021014133A (es) 2022-01-04
CN113874601A (zh) 2021-12-31
KR20210149836A (ko) 2021-12-09
JP2020197135A (ja) 2020-12-10
US11828185B2 (en) 2023-11-28
CN113874601B (zh) 2023-07-07

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