[특허]Method and apparatus for warming a steam turbine in a combined cycle power plant

Method and apparatus for warming a steam turbine in a combined cycle power plant 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01K-007/00
출원번호	US-0384508 (1995-02-01)
발명자 / 주소	Briesch Michael S. (Orlando FL)
출원인 / 주소	Westinghouse Electric Corporation (Pittsburgh PA 02)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

A combined cycle gas turbine power plant uses compressed air bleed from the gas turbine compressor discharge air as a source of warming air for the steam turbine at start-up by incorporating a bypass line from the compressor discharge to the steam chest. During this time period, the steam produced by the heat recovery steam generator is dumped to the condenser. After warming the steam turbine, the compressed air is directed to the heat recovery steam generator for discharge to atmosphere. Once the heat recovery steam generator is capable of generating steam at sufficient temperature and pressure for introduction into the steam turbine, a control valve in the bypass line is closed, thereby eliminating the warming air, and a control valve in the steam supply line from the heat recovery steam generator to the steam turbine is opened so that the steam turbine can be brought on line.

대표청구항 ▼

A power plant, comprising: a) a gas turbine having a compressor for producing compressed air, means for heating at least a first portion of said compressed air so as to produce a hot compressed gas, and a first turbine for expanding said hot compressed gas so as to produce shaft power and an expanded gas; b) steam generating means for generating a flow of steam; c) a steam turbine for expanding said flow of steam from said steam generating means, said steam turbine having a flow path for directing said flow of steam through said steam turbine, a plurality of rotating blades and stationary vanes disposed in said steam flow path; and d) means for warming said steam turbine prior to expanding said flow of steam therein by directing a second portion of said compressed air produced by said compressor through at least a portion of said steam flow path of said steam turbine.

이 특허를 인용한 특허 (37)

West, James; Draper, Sam, Apparatus and method for start-up of a power plant.
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Dovali-Solis, Francisco, Apparatus for starting a combined cycle power plant.
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Chillar, Rahul; Rogers, David L.; Nenmeni, Vijay; Mestroni, Julio, Apparatus for starting up combined cycle power systems and method for assembling same.
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Widrig, Scott M.; Rudolph, Ronald J.; Wagner, Gregg P., Closed loop steam cooled airfoil.
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Widrig,Scott M.; Rudolph,Ronald J.; Wagner,Gregg P., Closed loop steam cooled airfoil.
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Rogers, David Lee; Chillar, Rahul Jaikaran; Hoskin, Robert Frank; Mestroni, Julio Enrique; Nenmeni, Vijay Raghavendran, Combined cycle power plant with thermal load reduction system.
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Bellows, James C., Condenser system.
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Fletcher, Paul; Graham, Andrew C., Gas turbine engine with water and steam injection.
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Rybarczyk, Thomas M.; McGreehan, William, Heat recovery circuit.
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Tillery, Steven William, Inlet bleed heat system thermal lag mitigation using compressor interstage bleeds.
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Radovich,Michael J., Method and apparatus for combined cycle power plant operation.
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Rajesh, Prabhakaran Saraswathi; Saha, Rajarshi; Janapaneedi, Durgaprasad; Emani, Satyanarayana Venkata Ravindra, Method for controlling gas turbine rotor temperature during periods of extended downtime.
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Liebig, Erhard; Rickli, Jean-Pierre, Method for operating a combined cycle power plant, and combined cycle power plant.
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Baer,Joan Mae; Laster,Walter Ray; Keller,Douglas Allen, Method for operating a gas turbine.
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Olia, Hamid; Schlesier, Jan, Method for operating a power plant.
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Gobrecht, Edwin; Newald, Rainer; Schmid, Erich, Method for starting up a gas and steam turbine system.
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Davis, Jr., Lewis Berkley; Kraemer, Gilbert Otto; Kulkarni, Parag Prakash; Zhang, Hua, Power generation system exhaust cooling.
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Davis, Jr., Lewis Berkley; Kulkarni, Parag Prakash; Reed, Robert Joseph, Power generation system exhaust cooling.
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Davis, Jr., Lewis Berkley; Kulkarni, Parag Prakash; Reed, Robert Joseph, Power generation system exhaust cooling.
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Davis, Jr., Lewis Berkley; Kulkarni, Parag Prakash; Reed, Robert Joseph, Power generation system exhaust cooling.
상세보기
Davis, Jr., Lewis Berkley; Kulkarni, Parag Prakash; Reed, Robert Joseph, Power generation system exhaust cooling.
상세보기
Kulkarni, Parag Prakash; Davis, Jr., Lewis Berkley; Reed, Robert Joseph, Power generation system exhaust cooling.
상세보기
Kulkarni, Parag Prakash; Davis, Jr., Lewis Berkley; Reed, Robert Joseph, Power generation system exhaust cooling.
상세보기
Kulkarni, Parag Prakash; Davis, Jr., Lewis Berkley; Reed, Robert Joseph, Power generation system exhaust cooling.
상세보기
Kulkarni, Parag Prakash; Davis, Jr., Lewis Berkley; Reed, Robert Joseph, Power generation system exhaust cooling.
상세보기
Kulkarni, Parag Prakash; Davis, Jr., Lewis Berkley; Reed, Robert Joseph; Smith, Raub Warfield, Power generation system exhaust cooling.
상세보기
Reed, Robert Joseph; Davis, Jr., Lewis Berkley; Kulkarni, Parag Prakash, Power generation system exhaust cooling.
상세보기
Reed, Robert Joseph; Davis, Jr., Lewis Berkley; Kulkarni, Parag Prakash, Power generation system exhaust cooling.
상세보기
Chillar, Rahul Jaikaran; Chriswindarto, Wulang Edwien; Ekanayake, Sanji; Mestroni, Julio Enrique; Nenmeni, Vijay Raghavendran; Pandey, Achalesh Kumar; Rogers, David Lee; Salter, Morgan Carthledge; Srivastava, Ajit, Power plant.
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Bellows James C., Startup cooling steam generator for combustion turbine.
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Leu, Bernd; Ophey, Martin; Rothe, Klaus; Veltmann, David; Brune, Kai; Heue, Matthias; Pötter, Rudolf; Schütz, Michael, Steam cycle, and method for operating a steam cycle.
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Murphy, Timothy J.; Biron, Ernest J., Steam driven turbine generator system.
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Klosinski, Joseph Philip; Mathai, George Vargese; Ekanayake, Sanji; Scipio, Alston Ilford; Fernandez, Paul Robert, Steam turbine preheating system.
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Potter, Rudolf, Steam turbine system and method for starting up a steam turbine.
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Jordan, Jr., Harold Lamar; Lin, TsungPo; Sholes, Jr., John Edward, System and method for warming up a steam turbine.
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Hu, Tailai; Estrada, Kelvin R.; Alexander, Michael Joseph, Systems and methods for pre-warming a heat recovery steam generator and associated steam lines.
상세보기
Helbig, Klaus; Kuehne, Christian; Mohr, Wolfgang Franz Dietrich, Warming arrangement for a power plant.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Method and apparatus for warming a steam turbine in a combined cycle power plant 원문보기

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Method and apparatus for warming a steam turbine in a combined cycle power plant 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (37)

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