Low pollution power generation system with ion transfer membrane air separation
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02C-003/30
출원번호
US-0716004
(2003-11-17)
발명자
/ 주소
Viteri, Fermin
출원인 / 주소
Clean Energy Systems, Inc.
대리인 / 주소
Heisler &
인용정보
피인용 횟수 :
98인용 특허 :
118
초록▼
A low or no pollution power generation system is provided. The system has an air separator to collect oxygen. A gas generator is provided with inputs for the oxygen and a hydrocarbon fuel. The fuel and oxygen are combusted within the gas generator, forming water and carbon dioxide. Water or other di
A low or no pollution power generation system is provided. The system has an air separator to collect oxygen. A gas generator is provided with inputs for the oxygen and a hydrocarbon fuel. The fuel and oxygen are combusted within the gas generator, forming water and carbon dioxide. Water or other diluents are also delivered into the gas generator to control temperature of the combustion products. The combustion products are then expanded through at least one turbine or other expander to deliver output power. The combustion products are then passed through a separator where the steam is condensed. A portion of the water is discharged and the remainder is routed back to the gas generator as diluent. The carbon dioxide can be conditioned for sequestration. The system can be optimized by adding multiple expanders, reheaters and water diluent preheaters, and by preheating air for an ion transfer membrane oxygen separation.
대표청구항▼
1. A low emissions hydrocarbon combustion power generation system featuring regenerative heating, comprising in combination:an air separator adapted to separate at least a portion of oxygen from other constituents within ambient air entering said air separator through an oxygen outlet; a source of h
1. A low emissions hydrocarbon combustion power generation system featuring regenerative heating, comprising in combination:an air separator adapted to separate at least a portion of oxygen from other constituents within ambient air entering said air separator through an oxygen outlet; a source of hydrocarbon fuel; a source of diluent; a gas generator adapted to combust the fuel from said source of hydrocarbon fuel with oxygen from said oxygen outlet of said air separator to produce products of combustion including water and carbon dioxide, said gas generator including an outlet for the products of combustion, said gas generator adapted to add the diluent from said source of diluent to the products of combustion produced within said gas generator with a combination of the diluent and the products of combustion produced within the gas generator discharged through said gas generator outlet; a first turbine downstream from said gas generator outlet, said turbine adapted to expand the products of combustion and the diluent, as well as output power, said first turbine having a discharge; at least one diluent heater adapted to heat the diluent before the diluent enters said gas generator, said diluent heater in heat transfer relationship with the products of combustion downstream from said gas generator, such that at least a portion of heat within the products of combustion is transferred to the diluent before the diluent enters said gas generator; wherein a reheater is located downstream from said first turbine discharge, said reheater adapted to combust hydrocarbon fuel from said source of hydrocarbon fuel with oxygen from said oxygen outlet of said air separator, and to mix the products of combustion produced within said gas generator and the diluent with products of combustion produced within said reheater to produce combined products of combustion discharged through a reheater outlet; a second turbine downstream from said reheater, said second turbine adapted to expand the combined products of combustion and output power, and having a second turbine discharge; and said at least one diluent heater located downstream from said second turbine. 2. The system of claim 1 wherein a combustion products separator is located downstream from said first turbine, said combustion products separator including an inlet for the combined products of combustion and the diluent and at least two outlets including a primarily water outlet and a primarily carbon dioxide outlet, said primarily water outlet coupled to a feed water line leading to said source of diluent, such that said source of diluent is a source of primarily water diluent.3. The system of claim 1 wherein said at least one diluent heater is located between a last turbine downstream from said gas generator and said combustion products separator.4. A low emissions hydrocarbon combustion power generation system featuring regenerative heating, comprising in combination:an air separator adapted to separate at least a portion of oxygen from other constituents within ambient air entering said air separator through an oxygen outlet; a source of hydrocarbon fuel; a source of diluent; a gas generator adapted to combust the fuel from said source of hydrocarbon fuel with oxygen from said oxygen outlet of said air separator to produce products of combustion including water and carbon dioxide, said gas generator including an outlet for the products of combustion, said gas generator adapted to add the diluent from said source of diluent to the products of combustion produced within said gas generator with a combination of the diluent and the products of combustion produced within the gas generator discharged through said gas generator outlet; a first turbine downstream from said gas generator outlet, said turbine adapted to expand the products of combustion and the diluent, as well as output power, said first turbine having a discharge; at least one diluent heater adapted to heat the diluent before the diluent enters said gas generator, said diluent heater in heat transfer relationship with the products of combustion downstream from said gas generator, such that at least a portion of heat within the products of combustion is transferred to the diluent before the diluent enters said gas generator; wherein a reheater is located downstream from said first turbine discharge, said reheater adapted to combust hydrocarbon fuel from said source of hydrocarbon fuel with oxygen from said oxygen outlet of said air separator, and to mix the products of combustion produced within said gas generator and the diluent with products of combustion produced within said reheater to produce combined products of combustion discharged through a reheater outlet; a second turbine downstream from said reheater, said second turbine adapted to expand the combined products of combustion and output power, and having a second turbine discharge; and wherein said at least one diluent heater is located between said first turbine and said reheater downstream from said gas generator. 5. The system of claim 4 wherein a combustion products separator is located downstream from a last turbine, said separator including an inlet for the combined products of combustion and the diluent and at least two outlets including a primarily water outlet and a primarily carbon dioxide outlet, said primarily water outlet coupled to a feed water line leading to said source of diluent, such that said source of diluent is a source of primarily water diluent.6. The system of claim 5 wherein a second diluent heater is located between said last turbine and said separator.7. The system of claim 4 wherein a second reheater is located downstream from said second turbine discharge, said second reheater adapted to combust hydrocarbon fuel with oxygen, and to mix fluids from said second turbine discharge with products of combustion produced within said second reheater to produce combined products of combustion discharged through said second reheater outlet; anda third turbine downstream from said second reheater, said third turbine adapted to expand the combined products of combustion and output power, and having a third turbine discharge. 8. The system of claim 7 wherein a third diluent heater is located between said second turbine and said second reheater.
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