IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0181715
(2008-07-29)
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등록번호 |
US-8425223
(2013-04-23)
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발명자
/ 주소 |
- Zhang, Hua
- Ranasinghe, Jatila
- Erickson, Dean Matthew
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
28 |
초록
▼
An apparatus, a system and a method by which fuel gas to drive a heat source is heated are provided. The apparatus includes a first gas passage by which at least a portion of the fuel gas is transported from an inlet to an outlet, the outlet being fluidly coupled to the heat source, a plurality of h
An apparatus, a system and a method by which fuel gas to drive a heat source is heated are provided. The apparatus includes a first gas passage by which at least a portion of the fuel gas is transported from an inlet to an outlet, the outlet being fluidly coupled to the heat source, a plurality of heat pipes in thermal communication, at respective first ends thereof, with the portion of the fuel gas transported by the first gas passage, and a heating element, fluidly coupled to the heat source to receive exhaust of the heat source, through which respective second ends of the heat pipes extend to be in position to be heated by the exhaust.
대표청구항
▼
1. An apparatus by which fuel gas to drive a heat source is heated, comprising: a first gas passage including piping by which at least a portion of the fuel gas is transported from an inlet to an outlet, the outlet being fluidly coupled to the heat source;a plurality of heat pipes in thermal communi
1. An apparatus by which fuel gas to drive a heat source is heated, comprising: a first gas passage including piping by which at least a portion of the fuel gas is transported from an inlet to an outlet, the outlet being fluidly coupled to the heat source;a plurality of heat pipes in thermal communication, at respective first ends thereof, with the portion of the fuel gas transported by the first gas passage; anda heating element remote from the piping and of the first gas passage fluidly coupled to the heat source to receive exhaust of the heat source, the heating element including a main body through which respective second ends of the heat pipes extend and through which the exhaust flows such that the exhaust flows over and around the heat pipes whereby the heat pipes are heated by the heat of the exhaust,the heat pipes being configured to transmit the heat of the exhaust from an interior of the main body to an exterior of the main body and subsequently to the portion of the fuel in the piping of the first gas passage. 2. The apparatus according to claim 1, wherein the heat source comprises a gas turbine. 3. The apparatus according to claim 1, further comprising: a second gas passage by which a remaining portion of the fuel gas is transported from the inlet to the outlet; anda valve to increase or decrease an amount of the fuel gas transported by each of the first and second gas passages. 4. The apparatus according to claim 3, wherein the valve is automatically controlled based on a temperature of the fuel gas. 5. The apparatus according to claim 1, wherein the first gas passage comprises a fuel gas header fluidly coupled to the inlet. 6. The apparatus according to claim 1, wherein the first gas passage comprises first and second flanges that bookend the respective first ends of the heat pipes. 7. The apparatus according to claim 1, wherein the plurality of the heat pipes are arranged in a circular formation. 8. The apparatus according to claim 1, wherein the plurality of the heat pipes comprise liquid heat pipes. 9. The apparatus according to claim 1, wherein the plurality of the heat pipes comprise solid state heat pipes. 10. The apparatus according to claim 1, wherein the heating element comprises an exhaust duct, which is coupled to the heat source and which comprises: an exhaust duct inlet fluidly coupled to the heat source; anda exhaust duct main body coupled to the exhaust duct inlet and through which the plurality of the heat pipes extend. 11. A system for use in a combined cycle, simple cycle or rankine cycle power plant, comprising: a heat source configured to generate heat from a combustion of fuel gas therein;a first gas passage including piping by which at least a portion of the fuel gas for use in the heat source is transported from an inlet to an outlet, the outlet being fluidly coupled to the heat source;a plurality of heat pipes in thermal communication, at respective first ends thereof, with the portion of the fuel gas transported by the first gas passage; anda heating element remote from the piping of the first gas passage and fluidly coupled to the heat source to receive exhaust of the heat source, the heating element including a main body through which respective second ends of the heat pipes extend and through which the exhaust flows such that the exhaust flows over and around the heat pipes whereby the heat pipes are heated by heat of the exhaust,the heat pipes being configured to transmit the heat of the exhaust from an interior of the main body to an exterior of the main body and subsequently to the portion of the fuel in the piping of the first gas passage. 12. The system according to claim 11, wherein the heat source comprises a gas turbine. 13. The system according to claim 11, wherein the plurality of the heat pipes comprise liquid heat pipes. 14. The system according to claim 11, wherein the plurality of the heat pipes comprise solid state heat pipes. 15. The system according to claim 11, wherein the heating element comprises an exhaust duct, which is coupled to the heat source and which comprises: an exhaust duct inlet fluidly coupled to the heat source; anda exhaust duct main body coupled to the exhaust duct inlet and through which the plurality of the heat pipes extend. 16. A method of operating a combined cycle, simple cycle or rankine cycle power plant, the method comprising: transporting fuel gas to a heat source along a piping of a gas passage;injecting the fuel gas from the gas passage into the heat source;combusting the fuel gas in the heat source; andtransmitting heat generated by the combusting of the fuel gas in the heat source from an interior of a main body of the heat source, which is remote from the piping of the gas passage, to an exterior of the main body and subsequently to the piping of the gas passage to thereby heat the fuel gas transported therein prior to the injecting of the fuel gas into the heat source. 17. The method according to claim 16, further comprising controlling an amount of the fuel gas in the gas passage. 18. The method according to claim 16, wherein the transmitting of the heat comprises at least one of transmitting the heat via liquid heat pipes and transmitting the heat via solid state heat pipes. 19. The apparatus according to claim 1, wherein the heat pipes are transversely oriented with respect to a direction of the flow of the exhaust and a transportation direction of the portion of the fuel in the piping. 20. The apparatus according to claim 19, wherein the direction of the flow of the exhaust and the transportation direction of the portion of the fuel in the piping are substantially parallel.
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