Power generation system with supercritical water thermal combustion of coal and supercritical carbon dioxide cycle coupled
A supercritical water and carbon dioxide technology, which is applied to machines/engines, steam engines, mechanical equipment, etc., can solve the problems of large pollutant emissions, high energy consumption, high removal costs, and reduce heat loss and capture costs. Low, the effect of improving the overall efficiency
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[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0027] Such as figure 1 As shown, the power generation system of coal supercritical hydrothermal combustion and supercritical carbon dioxide cycle coupling includes a coal supercritical hydrothermal combustion reaction system, a supercritical carbon dioxide cycle power generation system and an auxiliary heating system.
[0028] The coal supercritical hydrothermal combustion system includes a coal water slurry storage tank 1, a high pressure coal water slurry pump 2, a first heat exchanger 3, a second heat exchanger 5, a supercritical hydrothermal combustion reactor 6, and a circulating water pump 7. The third heat exchanger 8, the fourth heat exchanger 9, the carbon dioxide separator 10, the particulate separator 11, the particulate collector 12, the gas turbine 13, the hydraulic turbine 14, the waste liquid treatment device 15, the carbon dioxide capture device 1...
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