JP7674516B2 - 蒸気タービン - Google Patents

蒸気タービン Download PDF

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Publication number
JP7674516B2
JP7674516B2 JP2023567664A JP2023567664A JP7674516B2 JP 7674516 B2 JP7674516 B2 JP 7674516B2 JP 2023567664 A JP2023567664 A JP 2023567664A JP 2023567664 A JP2023567664 A JP 2023567664A JP 7674516 B2 JP7674516 B2 JP 7674516B2
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JP
Japan
Prior art keywords
blade ring
steam
steam turbine
stator
annular member
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
JP2023567664A
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English (en)
Japanese (ja)
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JPWO2023112669A5 (https=
JPWO2023112669A1 (https=
Inventor
匠生 山下
貴一 吉藤
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 Heavy Industries 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 JPWO2023112669A1 publication Critical patent/JPWO2023112669A1/ja
Publication of JPWO2023112669A5 publication Critical patent/JPWO2023112669A5/ja
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Publication of JP7674516B2 publication Critical patent/JP7674516B2/ja
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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
    • 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
    • F01D25/26—Double casings; Measures against temperature strain in casings
    • 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
    • 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
    • F01D25/243—Flange connections; Bolting arrangements
    • 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
    • F01D25/246—Fastening of diaphragms or stator-rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/18—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbine being of multiple-inlet-pressure type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/32—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines using steam of critical or overcritical pressure
    • 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
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • 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
    • F05D2240/14—Casings or housings protecting or supporting assemblies within
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2023567664A 2021-12-15 2022-11-30 蒸気タービン Active JP7674516B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021203224 2021-12-15
JP2021203224 2021-12-15
PCT/JP2022/044097 WO2023112669A1 (ja) 2021-12-15 2022-11-30 蒸気タービン

Publications (3)

Publication Number Publication Date
JPWO2023112669A1 JPWO2023112669A1 (https=) 2023-06-22
JPWO2023112669A5 JPWO2023112669A5 (https=) 2024-07-09
JP7674516B2 true JP7674516B2 (ja) 2025-05-09

Family

ID=86774155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023567664A Active JP7674516B2 (ja) 2021-12-15 2022-11-30 蒸気タービン

Country Status (6)

Country Link
US (1) US12203383B2 (https=)
JP (1) JP7674516B2 (https=)
KR (1) KR102908735B1 (https=)
CN (1) CN118159717A (https=)
DE (1) DE112022003962T5 (https=)
WO (1) WO2023112669A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2025028196A1 (https=) * 2023-08-02 2025-02-06

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2196628A1 (de) 2008-12-10 2010-06-16 Siemens Aktiengesellschaft Leitschaufelträger
JP5770903B1 (ja) 2014-09-26 2015-08-26 タナシン電機株式会社 漏洩電流算出装置及び漏洩電流算出方法
JP2019218878A (ja) 2018-06-18 2019-12-26 三菱日立パワーシステムズ株式会社 蒸気タービン設備及びコンバインドサイクルプラント

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362464A (en) * 1980-08-22 1982-12-07 Westinghouse Electric Corp. Turbine cylinder-seal system
JPS58185903A (ja) 1982-04-23 1983-10-29 Hitachi Ltd 蒸気タ−ビン車室
JPH0621521B2 (ja) * 1983-06-10 1994-03-23 株式会社日立製作所 蒸気タ−ビンの主蒸気入口構造
JPS62267506A (ja) * 1986-05-15 1987-11-20 Toshiba Corp 蒸気タ−ビンのケ−シング
JP4909113B2 (ja) * 2007-02-16 2012-04-04 三菱重工業株式会社 蒸気タービン車室構造
US20130177438A1 (en) 2012-01-06 2013-07-11 General Electric Company Sectioned rotor, a steam turbine having a sectioned rotor and a method for producing a sectioned rotor
JP6021521B2 (ja) * 2012-08-28 2016-11-09 株式会社オーディオテクニカ 米飯圧延装置
JP6614502B2 (ja) 2016-10-21 2019-12-04 三菱重工業株式会社 蒸気タービン
JP7663091B2 (ja) * 2022-11-14 2025-04-16 株式会社三洋物産 遊技機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2196628A1 (de) 2008-12-10 2010-06-16 Siemens Aktiengesellschaft Leitschaufelträger
JP5770903B1 (ja) 2014-09-26 2015-08-26 タナシン電機株式会社 漏洩電流算出装置及び漏洩電流算出方法
JP2019218878A (ja) 2018-06-18 2019-12-26 三菱日立パワーシステムズ株式会社 蒸気タービン設備及びコンバインドサイクルプラント

Also Published As

Publication number Publication date
DE112022003962T5 (de) 2024-05-29
US20240418104A1 (en) 2024-12-19
US12203383B2 (en) 2025-01-21
JPWO2023112669A1 (https=) 2023-06-22
KR102908735B1 (ko) 2026-01-06
WO2023112669A1 (ja) 2023-06-22
CN118159717A (zh) 2024-06-07
KR20240055849A (ko) 2024-04-29

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