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특허 상세정보

Steam cooling apparatus for gas turbine

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02C-006/00   
미국특허분류(USC) 600/391.82 ; 607/30
출원번호 US-0147724 (1999-04-29)
우선권정보 JP-0297104 (1997-10-29)
국제출원번호 PCT/JP98/02801 (1998-06-24)
§371/§102 date 19990429 (19990429)
국제공개번호 WO-9859158 (1998-12-30)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보 피인용 횟수 : 12  인용 특허 : 4
초록

The present invention relates to a steam-cooling system for gas turbine combustors in combined plants possessing a steam-cooled combustor; in order to maintain the combustor outlet steam temperature at planned values even during the starting and during the periods of load fluctuation, a steam valve 12 is opened and steam from a boiler 4 is conducted, and thereby the combustor of the gas turbine 1 is cooled, and steam recovery valve 11 is opened and this steam is returned to steam turbine 5. During the starting, steam is caused to flow from an auxiliary s...

대표
청구항

[ What is claimed is:] [1.] A steam-cooling system for gas turbine combustors in combined plants, in which combustion gas exhausted from a gas turbine is directed to a boiler, steam is generated in the boiler, and a steam turbine is driven using this steam while a part of the steam from the boiler is extracted and supplied to the gas turbine combustor to cool the combustor, and after being used for this cooling, the steam is returned to the steam turbine; which comprises:a temperature sensor for detecting the temperature of steam in a cooling steam outle...

이 특허를 인용한 특허 피인용횟수: 12

  1. Maryamchik, Mikhail; Szmania, Michael J.; Walker, David J.; Wietzke, Donald L.. Black plant steam furnace injection. USP2011118047162.
  2. Muyama Akimasa,JPX ; Yasuraoka Jun,JPX. Combined cycle electric power plant. USP2001116311474.
  3. Hattori,Youichi; Inui,Taiji. Combined cycle plant. USP2008057367192.
  4. Hattori,Youichi; Inui,Taiji. Combined cycle plant. USP2006016983585.
  5. Petzen, John. Control of steam temperature in combined cycle power plant. USP2016059328633.
  6. Bilton, Timothy Russell; Erickson, Dean Matthew; Gallagher, Brian Michael; Eluripati, Ravi Praveen; Sivasankaran, Rakesh. Fuel heater system including hot and warm water sources. USP2013098528335.
  7. Kita Yoshiyuki,JPX. Gas turbine combined plant, method of operating the same, and steam-cooling system for gas turbine hot section. USP2001056223520.
  8. Adachi, Shigeto; Narukawa, Yutaka; Fujii, Tetsuro; Arahira, Kazuya; Yamamoto, Masakazu; Kobayashi, Yutaka; Sageshima, Toshio. Heat energy recovery system. USP20180810047638.
  9. Taguchi, Jyun; Hyakutake, Yoshinori; Takahama, Masayuki. Operation method for combined plant. USP2003126666028.
  10. Tanaka, Tomoka; Hiramoto, Koji; Kita, Yoshiyuki. Steam cooling apparatus for gas turbine. USP2003116651440.
  11. Hiraga Ichiro JP; Yuichi Iwamoto JP; Youichi Hattori JP; Shinichi Hoizumi JP. Steam-cooled gas turbine combined power plant. USP2002016339926.
  12. Jordan, Jr., Harold Lamar; Lin, TsungPo; Sholes, Jr., John Edward. System and method for warming up a steam turbine. USP2018029903231.