System and method for heating a catalyst in an exhaust treatment system of a turbine engine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02C-006/18
F01N-003/20
F01N-005/02
출원번호
US-0089728
(2013-11-25)
등록번호
US-9670843
(2017-06-06)
발명자
/ 주소
Pang, Raymond
Kulkarni, Parag Prakash
Chen, Huijuan
출원인 / 주소
General Electric Company
대리인 / 주소
Fletcher Yoder, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
5
초록▼
A system includes a catalyst system having at least one catalyst to treat an exhaust gas from a gas turbine system, and a thermal storage system having at least one storage tank to store thermal energy in a medium, wherein the system is configured to transfer heat from the medium to the at least one
A system includes a catalyst system having at least one catalyst to treat an exhaust gas from a gas turbine system, and a thermal storage system having at least one storage tank to store thermal energy in a medium, wherein the system is configured to transfer heat from the medium to the at least one catalyst.
대표청구항▼
1. A system, comprising: a catalyst system having at least one catalyst to treat an exhaust gas from a gas turbine system; anda thermal storage system having at least one storage tank to store thermal energy in a medium such that heat is available prior to a startup mode during a cold period of the
1. A system, comprising: a catalyst system having at least one catalyst to treat an exhaust gas from a gas turbine system; anda thermal storage system having at least one storage tank to store thermal energy in a medium such that heat is available prior to a startup mode during a cold period of the gas turbine system, wherein the medium comprises a solid, a salt, an oil, or a liquid other than water, and the system is configured to transfer the heat from the medium to the at least one catalyst during the startup mode and the cold period of the gas turbine system. 2. The system of claim 1, wherein the system is configured to transfer heat from the medium directly to the catalyst system having the at least one catalyst. 3. The system of claim 1, wherein the system is configured to transfer heat to the medium during a steady state mode of the gas turbine system for later use during the startup mode and the cold period of the gas turbine system. 4. The system of claim 1, wherein the system is configured to transfer heat from the exhaust gas to the medium to store the thermal energy in the medium. 5. The system of claim 1, wherein the system is configured to transfer heat to the medium from a solar collector, a steam supply, a heated water supply, a heated gas supply, a heated liquid supply, a furnace, a combustion system, a reactor, a gasifier, a gas treatment unit, or any combination thereof, to store the thermal energy in the medium. 6. The system of claim 1, wherein the at least one catalyst comprises a nitrogen oxide (NOx) catalyst configured to remove NOx from the exhaust gas, a carbon monoxide (CO) catalyst configured to remove CO from the exhaust gas, or any combination thereof. 7. The system of claim 1, wherein the thermal storage system comprises at least one heat exchanger configured to mount in a path of the exhaust gas upstream from the at least one catalyst, and the at least one heat exchanger is configured to transfer heat from the medium to the exhaust gas or a part of a heat recovery steam generator upstream from the at least one catalyst. 8. The system of claim 7, wherein the at least one heat exchanger comprises water or steam to transfer heat from the medium to the exhaust gas. 9. The system of claim 1, comprising the gas turbine system configured to generate the exhaust gas. 10. The system of claim 1, comprising a heat recovery steam generator (HRSG) configured to generate a steam by transferring heat from the exhaust gas to water. 11. The system of claim 10, wherein the HRSG comprises the catalyst system. 12. The system of claim 11, comprising a steam turbine configured to be driven by the steam from the HRSG. 13. The system of claim 10, wherein the at least one storage tank is not directly associated with steam generation by the HRSG, and the at least one storage tank is disposed outside of the HRSG. 14. The system of claim 10, wherein the HRSG comprises one or more steam generating components, and the thermal storage system is independent from the one or more steam generating components of the HRSG. 15. The system of claim 1, wherein the at least one storage tank comprises a cold storage tank and a hot storage tank coupled to a common heat exchanger, and the common heat exchanger is configured to transfer heat to the at least one catalyst. 16. The system of claim 1, wherein the system is configured to transfer the heat from the medium to the at least one catalyst prior to the startup mode of the gas turbine system. 17. A system, comprising: a controller having a processor, a memory, and instructions stored on the memory and executable by the processor, wherein the instructions comprise:instructions to control heat transfer from a heat source to a medium for storage of thermal energy in at least one storage tank of a thermal storage system such that heat is available prior to a startup mode during a cold period of a gas turbine system; andinstructions to control heat transfer from the medium to at least one catalyst of a catalyst system to treat an exhaust gas from the gas turbine system during the startup mode and the cold period of the gas turbine system, wherein the instructions to control heat transfer from the medium to the at least one catalyst comprise instructions to control heat transfer from the medium directly to the catalyst system having the at least one catalyst. 18. The system of claim 17, wherein the medium comprises a solid, a salt, an oil, or a liquid other than water. 19. The system of claim 17, wherein the instructions to control heat transfer from the heat source to the medium for storage of thermal energy comprise instructions to control heat transfer to the medium during a steady state mode of the gas turbine system. 20. The system of claim 19, comprising the thermal storage system having the at least one storage tank and at least one heat exchanger configured to transfer heat to or from the exhaust gas. 21. A method, comprising: controlling heat transfer from a heat source to a medium for storage of thermal energy in at least one storage tank of a thermal storage system such that heat is available prior to a startup mode during a cold period of a gas turbine system; andcontrolling heat transfer from the medium to at least one catalyst of a catalyst system to treat an exhaust gas from the gas turbine system during the startup mode and the cold period of the gas turbine system, wherein controlling heat transfer from the medium to the at least one catalyst comprises controlling heat transfer from the medium directly to the catalyst system having the at least one catalyst. 22. The method of claim 21, wherein the medium comprises a solid, a salt, an oil, or a liquid other than water. 23. The method of claim 21, wherein controlling heat transfer from the heat source to the medium for storage of thermal energy comprises controlling heat transfer to the medium during a steady state mode of the gas turbine system for later use during the startup mode and the cold period of the gas turbine system. 24. The method of claim 23, wherein controlling heat transfer from the medium to the at least one catalyst comprises controlling heat transfer from the medium to the exhaust gas upstream from the at least one catalyst during the startup mode and the cold period of the gas turbine system, and controlling heat transfer from the heat source to the medium for storage of thermal energy comprises controlling heat transfer from the exhaust gas to the medium during the steady state mode of the gas turbine system. 25. The method of claim 21, wherein the at least one storage tank comprises a cold storage tank and a hot storage tank coupled to a common heat exchanger, and the common heat exchanger is configured to transfer heat to the at least one catalyst. 26. A system, comprising: a catalyst system having at least one catalyst to treat an exhaust gas from a gas turbine system; anda thermal storage system having at least one storage tank to store thermal energy in a medium such that heat is available prior to a startup mode during a cold period of the gas turbine system, wherein the system is configured to transfer heat from the medium directly to the catalyst system having the at least one catalyst, and the system is configured to transfer the heat from the medium to the at least one catalyst during the startup mode and the cold period of the gas turbine system. 27. A system, comprising: a catalyst system having at least one catalyst to treat an exhaust gas from a gas turbine system; anda thermal storage system having at least one storage tank to store thermal energy in a medium such that heat is available prior to a startup mode during a cold period of the gas turbine system, wherein the at least one storage tank comprises a cold storage tank and a hot storage tank coupled to a common heat exchanger, the common heat exchanger is configured to transfer heat to the at least one catalyst, and the system is configured to transfer the heat from the medium to the at least one catalyst during the startup mode and the cold period of the gas turbine system. 28. A system, comprising: a catalyst system having at least one catalyst to treat an exhaust gas from a gas turbine system; anda thermal storage system having at least one storage tank to store thermal energy in a medium such that heat is available prior to a startup mode during a cold period of the gas turbine system, wherein the system is configured to transfer the heat from the medium to the at least one catalyst during the startup mode and the cold period of the gas turbine system, wherein the at least one storage tank is not directly associated with steam generation by a heat recovery steam generator (HRSG) and/or the thermal storage system is independent from one or more steam generating components of the HRSG. 29. The system of claim 28, comprising the HRSG configured to generate a steam by transferring heat from the exhaust gas to water. 30. The system of claim 28, wherein the at least one storage tank is not directly associated with steam generation by the HRSG, and the at least one storage tank is disposed outside of the HRSG. 31. The system of claim 28, wherein the thermal storage system is independent from the one or more steam generating components of the HRSG.
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이 특허에 인용된 특허 (5)
Kinnear James W. (White Plains NY) Baccarini Isidoro N. (White Plains NY), Catalytic converter preheating system.
Pang, Raymond; Chen, Huijuan; Gadoury, Thomas Arthur; Mundra, Kamlesh; Peter, Andrew Maxwell; Watt, Duncan George, Thermal energy storage unit with steam and gas turbine system.
Huntington, Richard A.; Dhanuka, Sulabh K.; Slobodyanskiy, Ilya Aleksandrovich, System and method for diffusion combustion in a stoichiometric exhaust gas recirculation gas turbine system.
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