Embodiments of the present disclosure are directed toward a system and method to drain a fuel manifold wherein a fuel drainage and purge system includes a fuel manifold and a drainage line extending from the fuel manifold. The drainage line is configured to flow a liquid-gas mixture from the fuel ma
Embodiments of the present disclosure are directed toward a system and method to drain a fuel manifold wherein a fuel drainage and purge system includes a fuel manifold and a drainage line extending from the fuel manifold. The drainage line is configured to flow a liquid-gas mixture from the fuel manifold. The fuel drainage and purge system also includes a drain valve disposed along the drainage line, a vent line extending from the drainage line upstream of the drain valve, a vent valve disposed along the vent line, and a drainage trap arranged along the drainage line downstream of the drain valve. The drainage trap is configured to separate the liquid-gas mixture into a liquid stream and a gaseous stream.
대표청구항▼
1. A system comprising: a turbine fuel drainage and purge system of a gas turbine engine, comprising: a fuel manifold;a drainage line extending from the fuel manifold and configured to flow a liquid-gas mixture from the fuel manifold;a drain valve disposed along the drainage line;a vent line extendi
1. A system comprising: a turbine fuel drainage and purge system of a gas turbine engine, comprising: a fuel manifold;a drainage line extending from the fuel manifold and configured to flow a liquid-gas mixture from the fuel manifold;a drain valve disposed along the drainage line;a vent line extending from the drainage line upstream of the drain valve;a vent valve disposed along the vent line; anda drainage trap arranged along the drainage line downstream of the drain valve, wherein the drainage trap is configured to separate the liquid-gas mixture into a liquid stream and a gaseous stream, wherein the turbine fuel drainage and purge system comprises a recirculation circuit configured to recirculate the gaseous stream to the drainage line downstream of the drain valve, wherein the recirculation circuit is configured to use a compressor to provide recirculation pressure. 2. The system of claim 1, wherein the turbine fuel drainage and purge system is configured to drain the liquid stream to a storage tank. 3. The system of claim 1, wherein the drainage trap comprises a body having an interior volume and a ball disposed within the interior volume, wherein the ball has a density less than the liquid stream. 4. The system of claim 1, wherein the turbine fuel drainage and purge system comprises a controller coupled to the drain valve and the vent valve, wherein the controller is configured to regulate a first position of the drain valve and a second position of the vent valve. 5. The system of claim 4, wherein the controller is configured to regulate operation of the drain valve and/or the vent valve based on feedback from one or more sensors configured to measure an operating parameter of the turbine fuel drainage system. 6. The system of claim 5, wherein the one or more sensors comprises a level sensor configured to measure a level of fluid in the drainage line. 7. The system of claim 5, wherein the one or more sensors comprises a temperature sensor configured to measure a temperature of the liquid stream. 8. The system of claim 1, wherein the vent line is configured to direct an air stream to an atmospheric vent. 9. A system comprising: a drainage line extending from a fuel manifold of a gas turbine engine and configured to flow a liquid-gas mixture from the fuel manifold;a drain valve disposed along the drainage line;a vent line extending from the drainage line upstream of the drain valve;a vent valve disposed along the vent line;a drainage trap arranged along the drainage line downstream of the drain valve, wherein the drainage trap is configured to separate the liquid-gas mixture into a liquid stream and a gaseous stream;a recirculation line configured to recirculate the gaseous stream to the drainage line downstream of the drain valve, wherein the recirculation line is configured to use a compressor to provide recirculation pressure; anda controller configured to regulate operation of the drain valve and the vent valve. 10. The system of claim 9, wherein the controller is configured to regulate operation of the drain valve and the vent valve based on feedback from one or more sensors. 11. The system of claim 10, wherein the one or more sensors comprises a level sensor configured to measure a level of fluid in the drainage line, a temperature sensor configured to measure a temperature of the liquid stream, or both. 12. The system of claim 9, wherein the drainage trap comprises a body having an interior volume and a ball disposed within the interior volume, wherein the ball has a density less than the liquid stream. 13. The system of claim 9, comprising a storage tank fluidly coupled to the drainage trap and configured to receive the liquid stream. 14. A system comprising: a drainage trap arranged along a drainage line downstream of a drain valve, wherein the drainage trap is configured to separate a liquid-gas mixture into a liquid stream and a gaseous stream;a compressor; anda controller coupled to the drain valve and a vent valve, wherein the controller is configured to regulate operation of the drain valve and the vent valve based on feedback from one or more sensors configured to measure an operating parameter of the system to provide for a flow of fuel into the drainage trap and subsequent release of gas from the drainage trap to atmosphere, wherein the drainage trap comprises a recirculation circuit configured to recirculate the gaseous stream to the drainage line downstream of the drain valve, and wherein the recirculation circuit is configured to use the compressor to provide recirculation pressure. 15. The system of claim 14, wherein the one or more sensors comprises a level sensor configured to measure a level of fluid in the drainage line, a temperature sensor configured to measure a temperature of the liquid stream, or both. 16. The system of claim 15, wherein the controller is configured to regulate a position of the drain valve based on a measured temperature of the liquid stream, a measured level of liquid in the drainage line, or both. 17. The system of claim 14, comprising: a gas turbine engine;a fuel manifold coupled to the gas turbine engine;the drainage line extending from the fuel manifold of the gas turbine engine and configured to flow the liquid-gas mixture from the fuel manifold;the drain valve disposed along the drainage line;a vent line extending from the drainage line upstream of the drain valve;the vent valve disposed along the vent line; and a storage tank arranged downstream of the drainage trap, wherein the storage tank is configured to receive the liquid stream from the drainage trap.
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이 특허에 인용된 특허 (7)
Ricks Robert C. (22098 Call of the Wild Los Gatos CA 95030), Air purging and shut-down system for diesel engines.
Robert Scott Traver ; Robert Joseph Iasillo ; Howard Jay Kaplan ; Troy Joseph Schroeder ; Christopher John Morawski, Liquid fuel and water injection purge systems and method for a gas turbine having a three-way purge valve.
Norris, Eric Steven; Backman, Steven William; Iasillo, Robert Joseph; O'Dell, Kevin Jon; Van Buren, David J.; Alexander, Michael J.; Cournoyer, Mark Andrew; Johnson, Mark Andrew; Wilkes, Colin, Liquid fuel recirculation system and method.
Nenmeni, Vijay Raghavendran; Rozdolski, Michael John; Chillar, Rahul Jaikaran, System and method for transitioning between fuel supplies for a combustion system.
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