Method for operating a combined cycle power plant, and combined cycle power plant
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0849982
(2001-05-08)
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우선권정보 |
DE-0022243 (2000-05-08) |
발명자
/ 주소 |
- Liebig, Erhard
- Rickli, Jean-Pierre
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출원인 / 주소 |
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대리인 / 주소 |
Burns, Doane, Swecker & Mathis, L.L.P.
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인용정보 |
피인용 횟수 :
7 인용 특허 :
6 |
초록
▼
In a method for operating a combined cycle power plant (15) with at least two power plant units (16A, . . . , 16D), each of which includes a water/steam cycle, an accelerated start-up is achieved in a simple manner by removing a heat-transporting fluid from another operating power plant unit and usi
In a method for operating a combined cycle power plant (15) with at least two power plant units (16A, . . . , 16D), each of which includes a water/steam cycle, an accelerated start-up is achieved in a simple manner by removing a heat-transporting fluid from another operating power plant unit and using it for the preheating and/or maintaining of the heat of individual components of the water/steam cycle in one of the power plant units (16A, . . . , 16D).
대표청구항
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1. A multi-unit power plant comprising: at least two power plant units, each of said at least two power plant units comprising: a generator-driving gas turbine; and a water steam cycle, the water steam cycle comprising: a generator-driving steam turbine; and a heat recovery steam generator,
1. A multi-unit power plant comprising: at least two power plant units, each of said at least two power plant units comprising: a generator-driving gas turbine; and a water steam cycle, the water steam cycle comprising: a generator-driving steam turbine; and a heat recovery steam generator, the heat recovery steam generator producing steam by heat exchange with hot exhaust gases from the generator-driving gas turbine, each heat recovery steam generator of the at least two power plant units having a saturated steam extraction point; a common feeder manifold, the common feeder manifold being common to a multitude of power plant units, the common feeder manifold coupling each water-steam cycle of the at least two power plant units with at least one first steam line, the at least one first steam line having a first shut-off device, the at least one first steam line extracting steam from the common feeder manifold, the common feeder manifold coupling with a saturated steam extraction point of each heat recovery steam generator of the at least two power plant units with at least one second shut-off device, wherein the at least one second shut-off device supplies steam to the common feeder manifold. 2. The multi-unit power plant as recited in claim 1, wherein the saturated steam extraction point is located in a steam drum. 3. The multi-unit power plant as recited in claim 1, wherein the saturated steam extraction point is located in a separator. 4. The multi-unit power plant as recited in claim 1, the gas turbine further comprising: an air cooler, the air cooler cooling compressor air of the generator-driving gas turbine in heat exchange with water, thereby producing steam wherein a steam exit port of the air cooler couples with the common feeder manifold. 5. A multi-unit power plant comprising: at least two power plant units, each of said at least two power plant units comprising: a generator-driving gas turbine; and a water steam cycle, the water steam cycle comprising: a generator-driving steam turbine; and a heat recovery steam generator, the heat recovery steam generator producing steam by heat exchange with hot exhaust gases from the generator-driving gas turbine, each heat recovery steam generator of the at least two power plant units having a saturated steam extraction point; a common feeder manifold, the common feeder manifold being common to a multitude of power plant units, the common feeder manifold coupling each water-steam cycle of the at least two power plant units with at least one first steam line, the at least one first steam line having a first shut-off device, the at least one first steam line extracting steam from a steam drum coupled with the common feeder manifold, the common feeder manifold coupling with a saturated steam extraction point of each heat recovery steam generator of the at least two power plant units with at least one second shut-off device wherein the at least one second shut-off device supplies steam to the common feeder manifold.
이 특허에 인용된 특허 (6)
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Ohtomo Fumio,JPX ; Nakata Yuji,JPX ; Fukuyama Yoshitaka,JPX ; Inomata Asako,JPX ; Shibuya Sachio,JPX ; Koga Akinori,JPX ; Ishii Junji,JPX ; Ito Shoko,JPX ; Yamamoto Hironobu,JPX, Combined cycle power plant.
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Sugita Shigehisa (Hitachi JPX) Nakamura Shozo (Hitachioota JPX) Seiki Nobuhiro (Hitachi JPX) Hoizumi Shinichi (Hitachi JPX) Sasaki Toshihiko (Hitachi JPX) Noguchi Yoshiki (Hitachi JPX), Combined cycle power plant.
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Ozono Jiro (Kanagawa JPX), Combined generating plant and its start-up control device and start-up control method.
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Rice Ivan G. (P.O. Box 233 Spring TX 77383), Compression intercooled gas turbine combined cycle.
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Moore James H. (Schenectady NY) Kure-Jensen Jens (Schenectady NY) Rowen William I. (Schenectady NY), Control system for single shaft combined cycle gas and steam turbine unit.
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Briesch Michael S. (Orlando FL), Method and apparatus for warming a steam turbine in a combined cycle power plant.
이 특허를 인용한 특허 (7)
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Kitaguchi, Yoshinori, Combined cycle powered generating plant having reduced start-up time.
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Oomens, Gijsbertus; Ruchti, Christoph; Droux, Francois, Combined-cycle power plant having a once-through cooler.
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Gulen, Seyfettin Can; Hu, Tailai, Fuel heating system for startup of a combustion system.
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Oomens, Gijsbertus; Ruchti, Christoph; Droux, François, Method for operating a combined-cycle power plant, and combined-cycle power plant useful for carrying out the method.
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Liebig, Erhard; Gut, Jean-Marie; Klaiber, Hansjörg; Schoenenberger, Martin; Hajko, Goran, Method for starting a steam turbine.
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Gutierrez, Juan P.; Sullivan, Terrence B., Power generation system incorporating multiple Rankine cycles.
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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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