Ultra low emissions fast starting power plant
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02G-003/00
F02C-003/00
출원번호
UP-0594331
(2006-11-07)
등록번호
US-7827794
(2010-11-25)
발명자
/ 주소
Pronske, Keith L.
Viteri, Fermin
MacAdam, Scott
Hoffman, Lawrence C.
출원인 / 주소
Clean Energy Systems, Inc.
대리인 / 주소
Heisler & Associates
인용정보
피인용 횟수 :
69인용 특허 :
5
초록▼
The power plant combusts a hydrocarbon fuel with oxygen to produce high temperature high pressure products of combustion. These products of combustion are routed through an expander to generate power. The products of combustion are substantially free of oxides of nitrogen because the oxidizer is oxy
The power plant combusts a hydrocarbon fuel with oxygen to produce high temperature high pressure products of combustion. These products of combustion are routed through an expander to generate power. The products of combustion are substantially free of oxides of nitrogen because the oxidizer is oxygen rather than air. To achieve fast starting, oxygen, fuel and water diluent are preferably stored in quantities sufficient to allow the power plant to operate from these stored consumables. The fuel can be a gaseous or liquid fuel. The oxygen is preferably stored as liquid and routed through a vaporizer before combustion in a gas generator along with the hydrocarbon fuel. In one embodiment, the vaporizer gasifies the oxygen by absorption of heat from air before the air is routed into a separate heat engine, such as a gas turbine. The gas turbine thus operates on cooled air and has its power output increased.
대표청구항▼
What is claimed is: 1. A hydrocarbon combustion power plant featuring ultra low emissions and fast starting on demand, such as to meet peak electric power needs, the system comprising in combination: a source of oxygen; a source of hydrocarbon fuel; a de-ionized water reservoir; a gas generator cou
What is claimed is: 1. A hydrocarbon combustion power plant featuring ultra low emissions and fast starting on demand, such as to meet peak electric power needs, the system comprising in combination: a source of oxygen; a source of hydrocarbon fuel; a de-ionized water reservoir; a gas generator coupled to said source of oxygen, said source of hydrocarbon fuel and said de-ionized water reservoir; said gas generator adapted to combust the oxygen from said source of oxygen with the fuel from said hydrocarbon fuel source in the presence of water from said de-ionized water source to produce high pressure, high temperature products of combustion; said gas generator having a discharge for the products of combustion; an expander downstream from said discharge, said expander adapted to extract energy from the products of combustion and output power; an exhaust downstream from said expander, said exhaust adapted to release at least a portion of the products of combustion into the atmosphere; wherein said source of oxygen is liquid oxygen with a liquid oxygen vaporizer between said source of oxygen and said gas generator, said vaporizer adapted to convert the liquid oxygen from said source of oxygen from a liquid phase to a gaseous phase before delivery of the oxygen to said gas generator; wherein said vaporizer includes a heat exchange fluid adjacent a heat exchange surface in contact with liquid oxygen from said source of oxygen, said vaporizer adapted to extract heat from said heat exchange fluid sufficient to convert the liquid oxygen from a liquid phase to a gaseous phase; wherein said heat exchange fluid is air, said power plant adapted to route the air from said vaporizer after having been cooled into a compressor of a gas turbine power cycle, such that a power output of said gas turbine power cycle is increased; and said gas turbine power cycle including said compressor having an inlet adapted to receive the heat transfer fluid from said vaporizer as at least a portion of air passing into said compressor, said gas turbine power cycle including a combustor adapted to combust a fuel with compressed air from said compressor, at least a portion of the compressed air being heat exchange fluid air from said vaporizer, and said gas turbine power cycle including a turbine driven by combustion products from said combustor, said turbine adapted to output power at a rate at least partially influenced by a temperature of air entering said compressor inlet. 2. The power plant of claim 1 wherein said hydrocarbon fuel includes natural gas. 3. The power plant of claim 1 wherein said hydrocarbon fuel at said source of hydrocarbon fuel is in a liquid form. 4. The power plant of claim 3 wherein said hydrocarbon fuel includes diesel. 5. The power plant of claim 3 wherein said hydrocarbon fuel includes ethanol. 6. The power plant of claim 1 wherein said hydrocarbon fuel is syngas. 7. The power plant of claim 1 wherein said hydrocarbon fuel includes hydrogen and carbon therein, and wherein said gas generator is adapted to produce products of combustion including water and CO2; and wherein a separator is located downstream from said expander, said separator adapted to separate at least a portion of water within said products of combustion from carbon dioxide within said products of combustion, said power plant adapted to recirculate said water to said gas generator. 8. The power plant of claim 7 wherein a CO2 sequestration system is located downstream from a CO2 outlet of said separator, such that at least a portion of said CO2 within said products of combustion is prevented from release into the atmosphere. 9. The power plant of claim 1 wherein a heat exchanger is interposed in heat transfer relationship with said products of combustion downstream from said expander, said heat exchanger adapted to generate steam with heat extracted from said products of combustion. 10. The power plant of claim 9 wherein said heat exchanger is adapted to generate steam for a closed Rankine cycle power generation system for enhanced power generation. 11. The power plant of claim 9 wherein said heat exchanger is adapted to generate steam for various steam or heat utilizing processes separate from said power plant. 12. The power plant of claim 1 wherein said source of oxygen includes an air separation unit. 13. The power plant of claim 12 wherein said air separation unit is a cryogenic air liquefier adapted to cool air sufficiently to cause at least a portion of the air to be liquefied. 14. The power plant of claim 1 wherein said source of oxygen includes at least one liquid oxygen tank with said oxygen stored therein in liquid form. 15. A hydrocarbon combustion power plant featuring ultra low emissions and fast starting on demand, such as to meet peak electric power needs, the system comprising in combination: a source of oxygen; a source of hydrocarbon fuel; a de-ionized water reservoir; a gas generator coupled to said source of oxygen, said source of hydrocarbon fuel and said de-ionized water reservoir; said gas generator adapted to combust the oxygen from said source of oxygen with the fuel from said hydrocarbon fuel source in the presence of water from said de-ionized water source to produce high pressure, high temperature products of combustion; said gas generator having a discharge for the products of combustion; an expander downstream from said discharge, said expander adapted to extract energy from the products of combustion and output power; an exhaust downstream from said expander, said exhaust adapted to release at least a portion of the products of combustion into the atmosphere; wherein said source of oxygen is liquid oxygen with a liquid oxygen vaporizer between said source of oxygen and said gas generator, said vaporizer adapted to convert the liquid oxygen from said source of oxygen from a liquid phase to a gaseous phase before delivery of the oxygen to said gas generator; wherein said vaporizer includes a heat exchange fluid adjacent a heat exchange surface in contact with liquid oxygen from said source of oxygen, said vaporizer adapted to extract heat from said heat exchange fluid sufficient to convert the liquid oxygen from a liquid phase to a gaseous phase; wherein said heat exchange fluid is adapted to absorb heat from air upstream from an air inlet of a compressor of a gas turbine power cycle, such that a power output of said gas turbine power cycle is increased; and said gas turbine power cycle including a combustor adapted to combust a fuel with compressed air from said compressor, at least a portion of the compressed air having been cooled by said vaporizer, and said gas turbine power cycle including a turbine driven by combustion products from said combustor, said turbine adapted to output power at a rate at least partially influenced by a temperature of air entering said compressor inlet.
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이 특허에 인용된 특허 (5)
Carreno Diether E. (Schenectady NY) Myers Albert (Amsterdam NY) Palmer Gene D. (Clifton Park NY) Caruso Philip M. (Selkirk NY) Wilson Ian D. (Clifton Park NY) Hemsworth Martin C. (Cincinnati OH), Closed or open circuit cooling of turbine rotor components.
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