EP2282013A3 - Moisture removal provisions for steam turbine - Google Patents

Moisture removal provisions for steam turbine Download PDF

Info

Publication number
EP2282013A3
EP2282013A3 EP10167146.9A EP10167146A EP2282013A3 EP 2282013 A3 EP2282013 A3 EP 2282013A3 EP 10167146 A EP10167146 A EP 10167146A EP 2282013 A3 EP2282013 A3 EP 2282013A3
Authority
EP
European Patent Office
Prior art keywords
steam turbine
moisture removal
provisions
removal provisions
steam
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.)
Withdrawn
Application number
EP10167146.9A
Other languages
German (de)
French (fr)
Other versions
EP2282013A2 (en
Inventor
Tao Guo
Xiaoyue Liu
Jonathon Edward Slepski
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of EP2282013A2 publication Critical patent/EP2282013A2/en
Publication of EP2282013A3 publication Critical patent/EP2282013A3/en
Withdrawn legal-status Critical Current

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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles
    • 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
    • F01D9/06—Fluid supply conduits to nozzles or the like
    • F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
    • 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
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F05D2260/602—Drainage

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Disclosed herein is a moisture removal system (100) for a steam turbine including at least one perforated ring (110) in an outer casing enclosing a stage of the steam turbine. The ring (110) is configured to allow moisture to pass therethrough out of a steam path of the steam turbine.
EP10167146.9A 2009-06-30 2010-06-24 Moisture removal provisions for steam turbine Withdrawn EP2282013A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/494,419 US20100329853A1 (en) 2009-06-30 2009-06-30 Moisture removal provisions for steam turbine

Publications (2)

Publication Number Publication Date
EP2282013A2 EP2282013A2 (en) 2011-02-09
EP2282013A3 true EP2282013A3 (en) 2014-04-16

Family

ID=42782149

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10167146.9A Withdrawn EP2282013A3 (en) 2009-06-30 2010-06-24 Moisture removal provisions for steam turbine

Country Status (4)

Country Link
US (1) US20100329853A1 (en)
EP (1) EP2282013A3 (en)
JP (1) JP2011012674A (en)
RU (1) RU2010126330A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8568090B2 (en) * 2009-12-07 2013-10-29 General Electric Company System for reducing the level of erosion affecting a component
JP5968173B2 (en) * 2012-09-14 2016-08-10 三菱日立パワーシステムズ株式会社 Steam turbine stationary blade and steam turbine
US9394797B2 (en) * 2012-12-04 2016-07-19 General Electric Company Turbomachine nozzle having fluid conduit and related turbomachine
CN103055664A (en) * 2013-01-22 2013-04-24 中国船舶重工集团公司第七�三研究所 Marine square box type elbow dehydrating device
JP6000876B2 (en) * 2013-03-12 2016-10-05 株式会社東芝 Steam turbine
JP6145372B2 (en) * 2013-09-27 2017-06-14 三菱日立パワーシステムズ株式会社 Steam turbine blade and steam turbine using the same
JP6230383B2 (en) * 2013-11-21 2017-11-15 三菱日立パワーシステムズ株式会社 Steam turbine stationary blades and steam turbine
EP2987968A1 (en) * 2014-08-20 2016-02-24 Siemens Aktiengesellschaft A casing for a steam turbine and a method for operation thereof
JP6393178B2 (en) * 2014-12-15 2018-09-19 三菱日立パワーシステムズ株式会社 Steam turbine stationary blade
WO2019049703A1 (en) * 2017-09-05 2019-03-14 三菱日立パワーシステムズ株式会社 Steam turbine blade, stream turbine, and method for manufacturing steam turbine blade
JP7378970B2 (en) * 2019-06-10 2023-11-14 三菱重工業株式会社 Steam turbine stationary blade, steam turbine and steam turbine stationary blade manufacturing method
CN110318820B (en) * 2019-06-26 2021-02-09 西安交通大学 Stationary blade composite dehumidifying structure of steam turbine
US11927132B1 (en) 2023-02-10 2024-03-12 Rtx Corporation Water separator for hydrogen steam injected turbine engine
US12546250B2 (en) * 2023-02-10 2026-02-10 Rtx Corporation Steam turbine bypass for increased water heat absorption capacity steam injected turbine engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6375417B1 (en) * 2000-07-12 2002-04-23 General Electric Company Moisture removal pocket for improved moisture removal efficiency
EP1744018A1 (en) * 2005-07-15 2007-01-17 Kabushiki Kaisha Toshiba Steam turbine nozzle vane, nozzle rings and method of fabricating the vane
US20080050221A1 (en) * 2006-08-28 2008-02-28 General Electric Systems for moisture removal in steam turbine engines
WO2009016657A1 (en) * 2007-07-27 2009-02-05 Ansaldo Energia S.P.A. Steam turbine stage

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1829674A (en) * 1928-12-08 1931-10-27 Gen Electric Elastic fluid turbine and the like
US1845190A (en) * 1930-04-26 1932-02-16 Gen Electric Elastic fluid turbine
GB1099501A (en) * 1964-05-12 1968-01-17 Merz And Mclellan Services Ltd Improvements relating to steam turbines
GB1283044A (en) * 1968-08-21 1972-07-26 Parsons C A & Co Ltd Improvements in and relating to steam turbines
US3881842A (en) * 1973-04-10 1975-05-06 Jury Fedorovich Kosyak Diaphragm for steam turbine stage
JPS59160801U (en) * 1983-04-15 1984-10-27 株式会社東芝 axial steam turbine
JPS6073801U (en) * 1983-10-28 1985-05-24 三菱重工業株式会社 steam turbine
JPS62261604A (en) * 1986-05-08 1987-11-13 Toshiba Corp Water drop removing equipment of steam turbine
JPS63263204A (en) * 1987-04-21 1988-10-31 Toshiba Corp Erosion prevention device for turbine blade
US5261785A (en) * 1992-08-04 1993-11-16 General Electric Company Rotor blade cover adapted to facilitate moisture removal
JP3093479B2 (en) * 1992-10-07 2000-10-03 株式会社東芝 Steam turbine moisture separator
US5494405A (en) * 1995-03-20 1996-02-27 Westinghouse Electric Corporation Method of modifying a steam turbine
US6474942B2 (en) * 2000-01-03 2002-11-05 General Electric Company Airfoil configured for moisture removal from steam turbine flow path
US7422415B2 (en) * 2006-05-23 2008-09-09 General Electric Company Airfoil and method for moisture removal and steam injection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6375417B1 (en) * 2000-07-12 2002-04-23 General Electric Company Moisture removal pocket for improved moisture removal efficiency
EP1744018A1 (en) * 2005-07-15 2007-01-17 Kabushiki Kaisha Toshiba Steam turbine nozzle vane, nozzle rings and method of fabricating the vane
US20080050221A1 (en) * 2006-08-28 2008-02-28 General Electric Systems for moisture removal in steam turbine engines
WO2009016657A1 (en) * 2007-07-27 2009-02-05 Ansaldo Energia S.P.A. Steam turbine stage

Also Published As

Publication number Publication date
EP2282013A2 (en) 2011-02-09
US20100329853A1 (en) 2010-12-30
RU2010126330A (en) 2012-01-10
JP2011012674A (en) 2011-01-20

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