[특허]Independent manifold dual gas turbine fuel system

General Electric Company

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특허 상세정보

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Independent manifold dual gas turbine fuel system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-003/20
미국특허분류(USC)	060/039.463; 060/734; 060/039.465; 060/739; 060/772; 060/776
출원번호	US-0114899 (2008-05-05)
등록번호	US-8375696 (2013-02-19)
발명자 / 주소	Lawson, William J. Joshi, Rahul Mohan
출원인 / 주소	General Electric Company
인용정보	피인용 횟수 : 1 인용 특허 : 4

초록
▼

The present application provides a dual gas fuel delivery system and a method of delivering two gas fuels. The system may include (a) a low energy gas delivery system comprising a low energy gas inlet, a gas split, a low energy gas primary manifold outlet, and a low energy gas secondary manifold outlet; (b) a high energy gas delivery system comprising a high energy gas inlet and a high energy gas primary manifold outlet; (c) a primary manifold; and (d) a secondary manifold, wherein the low energy gas primary manifold outlet and the high energy gas primary manifold outlet are coupled to the primary manifold, wherein the low energy gas secondary manifold outlet is coupled to the secondary manifold, and wherein the low energy gas delivery system further comprises a primary low energy gas stop and pressure control valve between the gas split and the low energy gas primary manifold outlet.

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청구항
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1. A fuel delivery system, comprising: a turbine operable at a range of loads from a start-up load to a full load;a primary manifold for supplying a fuel composition to the turbine, the fuel composition comprising a low energy gas, a high energy gas, or a blend of the low energy gas and the high energy gas;a secondary manifold for supplying the low energy gas to the turbine;a low energy gas delivery system comprising a low energy gas inlet, a gas split for feeding a first portion of the low energy gas to the primary manifold and feeding a second portion of the low energy gas to the secondary manifold, a low energy gas primary manifold outlet coupled to the primary manifold, a low energy gas secondary manifold outlet coupled to the secondary manifold, and a primary low energy gas stop and pressure control valve between the gas split and the low energy gas primary manifold outlet; anda high energy gas delivery system comprising a high energy gas inlet and a high energy gas primary manifold outlet coupled to the primary manifold,wherein the fuel delivery system is configured to allow the high energy gas to be delivered only to the primary manifold low energy gas. 2. The system of claim 1, wherein: the low energy gas delivery system further comprises a primary low energy gas control valve between the primary low energy gas stop and pressure control valve and the low energy gas primary manifold outlet;the low energy gas delivery system further comprises a secondary low energy gas control valve between the gas split and the low energy gas secondary manifold outlet; andthe high energy gas delivery system further comprises a high energy gas control valve between the high energy gas inlet and the high energy gas primary manifold outlet. 3. The system of claim 2, wherein: the low energy gas delivery system further comprises a secondary low energy gas stop and pressure control valve between the gas split and the secondary low energy gas control valve; andthe high energy gas delivery system further comprises a high energy gas stop and pressure control valve between the high energy gas inlet and the high energy gas control valve. 4. The system of claim 3, wherein: the low energy gas delivery system further comprises a low energy gas stop valve between the low energy gas inlet and the gas split; andthe high energy gas delivery system further comprises a high energy gas stop valve between the high energy gas inlet and the high energy stop and pressure control valve. 5. The system of claim 2, wherein: the low energy gas delivery system further comprises a primary low energy gas purge system between the low energy gas inlet and the primary low energy gas control valve;the low energy gas delivery system further comprises a secondary low energy gas purge system between the gas split and the secondary low energy gas control valve; andthe high energy gas delivery system further comprises a high energy gas purge system between the high energy gas inlet and the high energy gas primary manifold outlet. 6. The system of claim 1, further comprising: a compressor discharge pressure system comprising a compressor discharge pressure inlet and a compressor discharge pressure outlet, wherein the compressor discharge pressure outlet is coupled to the secondary manifold. 7. The system of claim 6, wherein: the compressor discharge pressure system further comprises a compressor discharge pressure valve between the compressor discharge pressure inlet and the compressor discharge pressure outlet. 8. A method of delivering a fuel composition to a turbine, comprising: providing a fuel delivery system, the fuel delivery system comprising: a turbine operable at a range of loads from a start-up load to a full load;a primary manifold for supplying a fuel composition to the turbine, the fuel composition comprising a low energy gas, a high energy gas, or a blend of the low energy gas and the high energy gas;a secondary manifold for supplying the low energy gas to the turbine;a low energy gas delivery system comprising a low energy gas inlet, a gas split for feeding a first portion of the low energy gas to the primary manifold and feeding a second portion of the low energy gas to the secondary manifold, a low energy gas primary manifold outlet coupled to the primary manifold, a low energy gas secondary manifold outlet coupled to the secondary manifold, and a primary low energy gas stop and pressure control valve between the gas split and the low energy gas primary manifold outlet; anda high energy gas delivery system comprising a high energy gas inlet and a high energy gas primary manifold outlet coupled to the primary manifold;feeding the low energy gas to the low energy gas inlet of the low energy gas delivery system;feeding the high energy gas to the high energy gas inlet of the high energy gas delivery system;passing the first portion of the low energy gas through the primary low energy gas stop and pressure control valve;feeding the first portion of the low energy gas to the primary manifold from the low energy gas primary manifold outlet of the low energy gas delivery system;feeding a second portion of the low energy gas to the secondary manifold from the low energy gas secondary manifold outlet of the low energy gas delivery system;feeding the high energy gas to the primary manifold from the high energy gas primary manifold outlet of the high energy gas delivery system;feeding the high energy gas and the first portion of the low energy gas to the turbine from the primary manifold; andfeeding the second portion of the low energy gas to the turbine from the secondary manifold,wherein the fuel delivery system is configured to allow the high energy gas to be delivered only to the primary manifold. 9. The method of claim 8, further comprising: passing the first portion of the low energy gas through a primary low energy gas control valve after the step of passing the first portion of the low energy gas through the primary low energy gas stop and pressure control valve and before the step of feeding the first portion of the low energy gas to the primary manifold;passing the second portion of the low energy gas through a secondary low energy gas control valve after the step of feeding the low energy gas to the low energy gas delivery system and before the step of feeding the second portion of the low energy gas to the secondary manifold; andpassing the high energy gas through a high energy gas control valve after the step of feeding the high energy gas to the high energy gas delivery system and before the step of feeding the high energy gas to the primary manifold. 10. The method of claim 9, further comprising: passing the second portion of the low energy gas through a secondary low energy gas stop and pressure control valve after the step of feeding the low energy gas to the low energy gas delivery system and before the step of passing the second portion of the low energy gas through the secondary low energy gas control valve; andpassing the high energy gas through a high energy gas stop and pressure control valve after the step of feeding the high energy gas to the high energy gas delivery system and before the step of passing the high energy gas through the high energy gas control valve. 11. The method of claim 10, further comprising: passing the low energy gas through a low energy gas stop valve after the step of feeding the low energy gas to the low energy gas delivery system and before the steps of passing the first portion of the low energy gas through the primary low energy gas stop and pressure control valve and passing the second portion of the low energy gas through the secondary low energy gas stop and pressure control valve; andpassing the high energy gas through a high energy gas stop valve after the step of feeding the high energy gas to the high energy gas delivery system and before the step of passing the high energy gas through the high energy gas stop and pressure control valve.

이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 피인용횟수: 1

Chasse, Jr., James P.; Tu, Peter; Sheil, Robert F.. Fuel manifold for a gas turbine engine. USP20181110132244.

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Independent manifold dual gas turbine fuel system

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Independent manifold dual gas turbine fuel system

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이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 피인용횟수: 1

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