Supercritical carbon dioxide cycle cold end waste heat recovery power generation system and operation method
A carbon dioxide and waste heat recovery technology, which is applied in the direction of indirect carbon dioxide emission reduction, steam generation method using heat carrier, steam generation method, etc., can solve the problems of high radiant heat load of boiler furnace, affecting the safe operation of the boiler, and the inability to use the boiler, etc. Achieve the effects of improving power generation efficiency, avoiding overheating, and improving boiler efficiency
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[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0021] Such as figure 1 As shown, a supercritical carbon dioxide cycle cold-end waste heat recovery power generation system includes an auxiliary air preheater 13, a precooler 14, a main compressor 1, a low-temperature regenerator 2, a high-temperature regenerator 3, and an overheating regenerator connected in sequence. Hot gas cold wall 4, low temperature superheater 5, high temperature superheater 6, high pressure turbine 7, reheat gas cold wall 8, low temperature reheater 9, high temperature reheater 10 and low pressure turbine 11; recompressor 12, Auxiliary air preheater 13, precooler 14, air preheater 15 and split superheater 16; exhaust gas from low-pressure turbine 11 releases heat in high-temperature regenerator 3 and low-temperature regenerator 2 in sequence, and main compressor 1 exits The low-temperature working fluid abso...
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