CA2148059A1 - Steam cooling of gas turbine with backup air cooling - Google Patents

Steam cooling of gas turbine with backup air cooling

Info

Publication number
CA2148059A1
CA2148059A1 CA002148059A CA2148059A CA2148059A1 CA 2148059 A1 CA2148059 A1 CA 2148059A1 CA 002148059 A CA002148059 A CA 002148059A CA 2148059 A CA2148059 A CA 2148059A CA 2148059 A1 CA2148059 A1 CA 2148059A1
Authority
CA
Canada
Prior art keywords
steam
compressed air
air
mixture
turbine
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.)
Granted
Application number
CA002148059A
Other languages
French (fr)
Other versions
CA2148059C (en
Inventor
Allen G. Chen
Robert K. Scott
Scott T. Cloyd
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.)
Siemens Energy Inc
Original Assignee
Allen G. Chen
Robert K. Scott
Scott T. Cloyd
Westinghouse Electric Corporation
Cbs Corporation
Siemens Westinghouse Power Corporation
Siemens Power Generation, Inc.
Siemens Energy, Inc.
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 Allen G. Chen, Robert K. Scott, Scott T. Cloyd, Westinghouse Electric Corporation, Cbs Corporation, Siemens Westinghouse Power Corporation, Siemens Power Generation, Inc., Siemens Energy, Inc. filed Critical Allen G. Chen
Publication of CA2148059A1 publication Critical patent/CA2148059A1/en
Application granted granted Critical
Publication of CA2148059C publication Critical patent/CA2148059C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F02C7/12—Cooling of plants
    • F02C7/16—Cooling of plants characterised by cooling medium
    • 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
    • F05D2260/232—Heat transfer, e.g. cooling characterized by the cooling medium
    • F05D2260/2322—Heat transfer, e.g. cooling characterized by the cooling medium steam
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Abstract

A gas turbine power plant in which a mixture of steam and compressed air, the mixture being primarily steam, is used to cool the rotating blades and stationary vanes in the turbine section. The air is bled from the compressor. The flow rate of steam that is mixed into the compressed air is adjusted so to maintain the pressure drop experienced by the compressed air as it flows to the turbine within a predetermined range. Consequently, the steam and air mixture has the same volumetric flow rate as if compressed air alone were being used. Thus, any sudden decrease in steam flow rate will automatically result in an offsetting increase in the flow of compressed air due to the decrease in the line pressure in the common line through which the air and steam flow to the turbine.
Consequently, no control, isolation or check valves are utilized in the compressed air piping.
CA002148059A 1994-04-28 1995-04-27 Steam cooling of gas turbine with backup air cooling Expired - Lifetime CA2148059C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/234,040 US5579631A (en) 1994-04-28 1994-04-28 Steam cooling of gas turbine with backup air cooling
US08/234,040 1994-04-28

Publications (2)

Publication Number Publication Date
CA2148059A1 true CA2148059A1 (en) 1995-10-29
CA2148059C CA2148059C (en) 2004-06-01

Family

ID=22879635

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002148059A Expired - Lifetime CA2148059C (en) 1994-04-28 1995-04-27 Steam cooling of gas turbine with backup air cooling

Country Status (5)

Country Link
US (1) US5579631A (en)
EP (1) EP0684369B1 (en)
JP (1) JP3239128B2 (en)
CA (1) CA2148059C (en)
DE (1) DE69504240T2 (en)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6062018A (en) * 1993-04-14 2000-05-16 Adroit Systems, Inc. Pulse detonation electrical power generation apparatus with water injection
DE19546726A1 (en) * 1995-12-14 1997-06-19 Asea Brown Boveri Quench cooler for cooling hot flowing gas
DE19609912A1 (en) * 1996-03-14 1997-09-18 Asea Brown Boveri Process for operating a power plant
JP3276289B2 (en) * 1996-05-13 2002-04-22 三菱重工業株式会社 Gas turbine combustor
JP3825090B2 (en) * 1996-07-24 2006-09-20 三菱重工業株式会社 Combined cycle power plant
DE19751299C2 (en) * 1997-11-19 1999-09-09 Siemens Ag Combustion chamber and method for steam cooling a combustion chamber
JP3977909B2 (en) * 1997-11-26 2007-09-19 三菱重工業株式会社 Recoverable steam cooled gas turbine
WO1999031365A1 (en) * 1997-12-15 1999-06-24 Hitachi, Ltd. Gas turbine for power generation, and combined power generation system
JP4126108B2 (en) * 1998-02-25 2008-07-30 三菱重工業株式会社 Gas turbine combined plant, operation method thereof, and gas turbine high temperature section steam cooling system
DE59808544D1 (en) * 1998-08-05 2003-07-03 Alstom Switzerland Ltd Process for cooling the thermally stressed structures of a power plant
EP0995891B1 (en) 1998-10-20 2005-06-15 ALSTOM Technology Ltd Turbomachine and method for its operation
JP3800384B2 (en) * 1998-11-20 2006-07-26 株式会社日立製作所 Combined power generation equipment
DE19900026B4 (en) * 1999-01-02 2016-01-21 Alstom Technology Ltd. Gas turbine with steam injection
DE10041413B4 (en) * 1999-08-25 2011-05-05 Alstom (Switzerland) Ltd. Method for operating a power plant
US6295803B1 (en) 1999-10-28 2001-10-02 Siemens Westinghouse Power Corporation Gas turbine cooling system
DE19961383A1 (en) * 1999-12-20 2001-06-21 Alstom Power Schweiz Ag Baden Process for operating a power plant
US6393825B1 (en) * 2000-01-25 2002-05-28 General Electric Company System for pressure modulation of turbine sidewall cavities
DE10009655C1 (en) 2000-02-29 2001-05-23 Mtu Aero Engines Gmbh Air cooling system for the paddles of a high pressure gas turbine has flow chambers at each paddle for the leading and trailing edges and the center profile with a heat exchanger to cool the air flow to the paddle edges
JP3526433B2 (en) * 2000-04-05 2004-05-17 川崎重工業株式会社 Steam injection type gas turbine device
US6574966B2 (en) 2000-06-08 2003-06-10 Hitachi, Ltd. Gas turbine for power generation
JP3690972B2 (en) 2000-08-08 2005-08-31 三菱重工業株式会社 Steam cooled gas turbine
US6748742B2 (en) * 2000-11-07 2004-06-15 Capstone Turbine Corporation Microturbine combination systems
JP2003106170A (en) * 2001-10-01 2003-04-09 Mitsubishi Heavy Ind Ltd Gas turbine, gas turbine combined plant and method for controlling cooling steam pressure
US6644012B2 (en) 2001-11-02 2003-11-11 Alston (Switzerland) Ltd Gas turbine set
US6640550B2 (en) 2001-11-02 2003-11-04 Alstom (Switzerland) Ltd Gas turbo-group with cooling air system
US6523346B1 (en) * 2001-11-02 2003-02-25 Alstom (Switzerland) Ltd Process for controlling the cooling air mass flow of a gas turbine set
JP4103773B2 (en) * 2003-10-31 2008-06-18 株式会社日立製作所 Gas turbine plant and cooling method of gas turbine plant
JP4457778B2 (en) * 2004-06-30 2010-04-28 株式会社日立製作所 High humidity gas turbine power plant
US7093446B2 (en) * 2004-09-15 2006-08-22 General Electric Company Gas turbine engine having improved core system
US7096674B2 (en) * 2004-09-15 2006-08-29 General Electric Company High thrust gas turbine engine with improved core system
JP4691950B2 (en) * 2004-10-14 2011-06-01 株式会社日立製作所 Gas turbine and refrigerant supply method thereof
US20080047276A1 (en) * 2006-08-25 2008-02-28 Siemens Power Generation, Inc. Combustion turbine having a single compressor with inter-cooling between stages
JP2008082247A (en) * 2006-09-27 2008-04-10 Mitsubishi Heavy Ind Ltd Gas turbine
US8033116B2 (en) * 2008-05-06 2011-10-11 General Electric Company Turbomachine and a method for enhancing power efficiency in a turbomachine
JP5143060B2 (en) * 2009-03-11 2013-02-13 株式会社日立製作所 2-shaft gas turbine
IT1395820B1 (en) 2009-09-25 2012-10-26 Nuovo Pignone Spa COOLING SYSTEM FOR A GAS TURBINE AND ITS FUNCTIONING METHOD
US20120151895A1 (en) * 2010-12-21 2012-06-21 General Electric Company Hot gas path component cooling for hybrid pulse detonation combustion systems
US20120198846A1 (en) 2011-02-04 2012-08-09 Sieben Amy L Air cooling system and method for a heat recovery steam generator inlet
US8997498B2 (en) * 2011-10-12 2015-04-07 General Electric Company System for use in controlling the operation of power generation systems
US9334753B2 (en) * 2011-10-12 2016-05-10 General Electric Company Control system and methods for controlling the operation of power generation systems
DE102014100480A1 (en) * 2013-01-28 2014-07-31 General Electric Company System for improving gas turbine output and hot gas path component life by using humid air for nozzle subcooling
WO2014143278A1 (en) 2013-03-15 2014-09-18 Junod Larry A Gas turbine engine lubrication system
US10815887B2 (en) 2013-03-15 2020-10-27 Rolls-Royce Corporation Gas turbine engine lubrication system
RU2525379C1 (en) * 2013-05-15 2014-08-10 Открытое акционерное общество "Уфимское моторостроительное производственное объединение" ОАО "УМПО" Method for cooling of turbine working blades in bypass gas turbine engine and device for its implementation
US9822662B2 (en) * 2013-11-08 2017-11-21 Siemens Energy, Inc. Cooling system with compressor bleed and ambient air for gas turbine engine
US10316696B2 (en) * 2015-05-08 2019-06-11 General Electric Company System and method for improving exhaust energy recovery
US9970354B2 (en) * 2015-12-15 2018-05-15 General Electric Company Power plant including an ejector and steam generating system via turbine extraction and compressor extraction
RU2634981C2 (en) * 2016-04-20 2017-11-08 Акционерное общество "Климов" Gas turbine engine gas generator
US11933240B2 (en) * 2022-05-02 2024-03-19 Caterpillar Inc. NOx mitigation strategy in methanol internal combustion engine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729930A (en) * 1970-06-23 1973-05-01 Rolls Royce Gas turbine engine
CA1170842A (en) * 1978-10-26 1984-07-17 Ivan G. Rice Steam cooled turbines
US4338580A (en) * 1980-05-09 1982-07-06 Motorola, Inc. Self balancing amplitude modulator
US4631914A (en) * 1985-02-25 1986-12-30 General Electric Company Gas turbine engine of improved thermal efficiency
US4982564A (en) * 1988-12-14 1991-01-08 General Electric Company Turbine engine with air and steam cooling
US4991391A (en) * 1989-01-27 1991-02-12 Westinghouse Electric Corp. System for cooling in a gas turbine
IT1243682B (en) * 1989-07-28 1994-06-21 Gen Electric GAS TURBO ENGINE STEAM COOLING
GB8920695D0 (en) * 1989-09-13 1989-10-25 Rolls Royce Plc Engine cooling system protection device
JPH0514537U (en) * 1991-07-31 1993-02-26 アドバンス・コージエネレーシヨンシステム技術研究組合 Gas turbine cooling system
US5340274A (en) * 1991-11-19 1994-08-23 General Electric Company Integrated steam/air cooling system for gas turbines

Also Published As

Publication number Publication date
EP0684369A1 (en) 1995-11-29
DE69504240T2 (en) 1999-04-29
JPH07301127A (en) 1995-11-14
JP3239128B2 (en) 2001-12-17
CA2148059C (en) 2004-06-01
EP0684369B1 (en) 1998-08-26
DE69504240D1 (en) 1998-10-01
US5579631A (en) 1996-12-03

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Effective date: 20150427