[특허]Combined cycle electric power plant and a heat recovery steam generator having improved temperature control of the steam

Combined cycle electric power plant and a heat recovery steam generator having improved temperature control of the steam 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01K-023/00
출원번호	US-0495723 (1974-08-08)
발명자 / 주소	Martz Lyle F. (Verona PA) Plotnick Richard J. (Cherry Hill NJ)
출원인 / 주소	Westinghouse Electric Corporation (Pittsburgh PA 02)
인용정보	피인용 횟수 : 41 인용 특허 : 0

초록 ▼

A combined cycle electric power plant includes gas and steam turbines and a steam generator for recovering the heat in the exhaust gases exited from the gas turbine and for using the recovered heat to produce and supply steam to the steam turbine. The steam generator includes a superheater tube through which a fluid, e.g. water, is directed to be additionally heated into superheated steam by the exhaust gas turbine gases. An afterburner further heats the exhaust gas turbine gases passed to the superheater tube. The temperature of the gas turbine exhaust gases is sensed for varying the fuel flow to the afterburner by a fuel valve, whereby the temperatures of the gas turbine exhaust gases and therefore of the superheated steam, are controlled. Further, override signals are generated to prevent the temperature of the superheated steam from falling below a predetermined minimum level and for preventing the temperature and pressure of the superheated steam from exceeding maximum levels.

대표청구항 ▼

A combined cycle electric power plant comprising: a. at least one gas turbine including an exit through which heated exhaust gases pass; b. means for generating steam coupled to said gas turbine exit for transferring heat from the exhaust gases to a fluid passing through said steam generating means; c. a steam turbine coupled to said steam generating means and driven by the steam supplied thereby; d. means for generating electric power by the driving power of said turbines; e. an afterburner for supplying additional heat to the exhaust gases passing from said gas turbine to said steam generating means; f. valve means for controlling the flow of fuel to said afterburner; g. condenser means for receiving and converting the spent system from said steam turbine into condensate; h. temperature measuring means disposed to measure the temperature of the exhaust gases heated by said afterburner, for providing an output indicative thereof; and i. means for controlling the operation of said turbines and said steam generating means, comprising steam temperature control means responsive to the output of said temperature measuring means for regulating the opening of said afterburner valve means, whereby the temperAture of the superheated steam supplied to said steam turbine is controlled.

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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

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Combined cycle electric power plant and a heat recovery steam generator having improved temperature control of the steam 원문보기

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Combined cycle electric power plant and a heat recovery steam generator having improved temperature control of the steam 원문보기

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이 특허를 인용한 특허 (41)

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