Natural gas and pure oxygen combustion supercritical carbon dioxide power cycle power generation system
A carbon dioxide, power cycle technology, applied in gas turbine installations, machines/engines, steam engine installations, etc., can solve the problem of high power consumption, and achieve the effect of saving power consumption, improving power generation efficiency, and improving heat capacity imbalance
Pending Publication Date: 2021-04-06
XI AN JIAOTONG UNIV
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Problems solved by technology
[0004] In the general pure oxygen combustion cycle, the flue gas produced after fuel combustion comes out of the regenerator, because the temperature is still high, so it is still in a gaseous state, so in order to increase its pressure, it is generally necessary to use a compressor to increase its pressure first, so high power consumption
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[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] As a specific embodiment of the present invention, such as figure 1 As shown, a natural gas pure oxygen combustion supercritical carbon dioxide power cycle power generation system includes a combustion chamber 1, a gas turbine 2, a heat recovery system I, a circulation pump 12, a non-condensable gas separation tank 15, a liquefied natural gas pump 16, a first Condenser 17, ga...
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The invention discloses a natural gas and pure oxygen combustion supercritical carbon dioxide power cycle power generation system. An output end of a liquefied natural gas pump is connected with a low-temperature side inlet of a first condenser, a high-temperature side outlet of the first condenser is connected with a low-temperature side inlet of a second condenser, and a high-temperature side outlet of the second condenser is connected with an inlet of a combustion chamber; an outlet of the combustion chamber is connected with an inlet of a gas turbine, an outlet of the gas turbine is connected with a high-temperature side inlet of a regenerative system, a low-temperature side outlet of the regenerative system is connected with a high-temperature side inlet of the second condenser, and a low-temperature side outlet of the second condenser is connected with a gas-liquid inlet of a gas-liquid separation tank; a gas outlet of the gas-liquid separation tank is connected with a high-temperature side inlet of the first condenser, and a low-temperature side outlet of the first condenser is connected with an inlet of a non-condensable gas separation tank. According to the natural gas and pure oxygen combustion supercritical carbon dioxide power cycle power generation system, the cold energy of liquefied natural gas regasification can be utilized to liquefy the recirculated gas in the system, so that a recirculated compressor is omitted, and the power consumption is reduced.
Description
technical field [0001] The invention belongs to the technical field of natural gas power generation, and in particular relates to a natural gas pure oxygen combustion supercritical carbon dioxide power cycle power generation system. Background technique [0002] Energy is an important material basis for the development of human society and the progress of civilization, and an important strategic material related to the lifeline of the country's economy and national defense security. Electricity is the most convenient form of energy. With the growth of the global population and the development of human society, the human demand for electricity is getting higher and higher. As a clean and efficient energy source, natural gas is of great significance to the prevention and control of air pollution, energy conservation and emission reduction. Compared with coal-fired power generation, natural gas power generation has high energy conversion efficiency, low comprehensive power con...
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Patent Timeline
Login to View More IPC IPC(8): F02C6/00F02C6/18F01K25/10F01K13/00
CPCF01K13/00F01K13/006F01K25/103F02C6/00F02C6/18
Inventor 李会雄产文李熙王乐乐常福城
Owner XI AN JIAOTONG UNIV