IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0278821
(2002-10-24)
|
우선권정보 |
JP-0239479 (2000-08-08) |
발명자
/ 주소 |
- Sugishita, Hideaki
- Aoki, Sunao
- Uematsu, Kazuo
- Tsukagoshi, Keizo
|
출원인 / 주소 |
- Mitsubishi Heavy Industries Co., Ltd.
|
대리인 / 주소 |
Wenderoth, Lind & Ponack L.L.P.
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
10 |
초록
▼
A combined cycle system includes a gas turbine (8) having a generator (1), a compressor (2), a combustor (3), a blade cooling air cooler (4), a fan (5), and a turbine (6); a steam turbine (29) having a high pressure turbine (21), an intermediate pressure turbine (22), and a low pressure turbine (23)
A combined cycle system includes a gas turbine (8) having a generator (1), a compressor (2), a combustor (3), a blade cooling air cooler (4), a fan (5), and a turbine (6); a steam turbine (29) having a high pressure turbine (21), an intermediate pressure turbine (22), and a low pressure turbine (23); and a waste heat recovery boiler (9). Saturated water from a high pressure pump (27) is partially led into a heat exchanger (110) for cooling steam to be supplied into a moving blade (52) and a stationary blade (53). Also, outlet steam from the high pressure turbine (21) is led into the moving blade (52), the stationary blade (53), and the combustor transition piece (54) for cooling thereof, and the steam is then supplied to an inlet of the intermediate pressure turbine (22). Further, the outlet steam from the high pressure turbine (21) is led into the turbine (6) for cooling blades thereof. The steam used for cooling the stationary blade is supplied to the inlet of the intermediate pressure turbine (22), and the steam used for cooling the moving blade is supplied to a reheater (20). Thus, the efficiency is enhanced.
대표청구항
▼
A combined cycle system includes a gas turbine (8) having a generator (1), a compressor (2), a combustor (3), a blade cooling air cooler (4), a fan (5), and a turbine (6); a steam turbine (29) having a high pressure turbine (21), an intermediate pressure turbine (22), and a low pressure turbine (23)
A combined cycle system includes a gas turbine (8) having a generator (1), a compressor (2), a combustor (3), a blade cooling air cooler (4), a fan (5), and a turbine (6); a steam turbine (29) having a high pressure turbine (21), an intermediate pressure turbine (22), and a low pressure turbine (23); and a waste heat recovery boiler (9). Saturated water from a high pressure pump (27) is partially led into a heat exchanger (110) for cooling steam to be supplied into a moving blade (52) and a stationary blade (53). Also, outlet steam from the high pressure turbine (21) is led into the moving blade (52), the stationary blade (53), and the combustor transition piece (54) for cooling thereof, and the steam is then supplied to an inlet of the intermediate pressure turbine (22). Further, the outlet steam from the high pressure turbine (21) is led into the turbine (6) for cooling blades thereof. The steam used for cooling the stationary blade is supplied to the inlet of the intermediate pressure turbine (22), and the steam used for cooling the moving blade is supplied to a reheater (20). Thus, the efficiency is enhanced. US-4328742, 19820500, Discavage; US-4383881, 19830500, Saki; US-RE31353, 19830800, Cheung; US-4401020, 19830800, Brux; US-4444097, 19840400, Wehr; US-4450032, 19840500, Wehr; US-4454808, 19840600, Wehr; US-4470241, 19840900, Parry et al.; US-4483516, 19841100, Wehr; US-4502911, 19850300, Discavage; US-4533046, 19850800, Kuhnert et al.; US-4536248, 19850800, Bullington et al.; US-4554779, 19851100, Fischer; US-4555893, 19851200, Nakata et al.; US-4570415, 19860200, Centeno; US-4572251, 19860200, Drury; US-4601155, 19860700, Lewis; US-4635542, 19870100, Sebelist et al.; US-4711071, 19871200, Kagi; US-4718219, 19880100, Schmitz; US-4733521, 19880300, Weder et al.; US-D295525, 19880500, Sakaki et al.; US-4768276, 19880900, Harlow; US-4773182, 19880900, Weder; US-4794832, 19890100, Trimble; US-4835834, 19890600, Weder; US-4885898, 19891200, Khurgin; US-5077937, 19920100, Weder et al.; US-5085003, 19920200, Garcia; US-5105599, 19920400, Weder; US-5111638, 19920500, Weder et al.; US-5157899, 19921000, Tas; US-5339601, 19940800, Weder et al.; US-5373942, 19941200, Weder, 053/399; US-5417033, 19950500, Weder; US-5426914, 19950600, Weder et al.; US-5465552, 19951100, Weder et al.; US-5465553, 19951100, Weder et al.; US-5471816, 19951200, Weder et al.; US-5632131, 19970500, Weder et al., 053/399
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