Mud drying system and use method thereof
A technology for sludge drying and sewage, applied in heat recovery system, dehydration/drying/concentrated sludge treatment, refrigeration and liquefaction, etc., can solve the problems of restricting the promotion of sludge treatment technology and high cost of thermal drying, and achieve effective Conducive to resource utilization, increase drying output, and reduce the effect of drying energy consumption
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[0021] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0022] Such as figure 1 As shown, the present invention includes a transcritical heat pump auxiliary heating loop 10 , a heat pump auxiliary heating loop 20 , an air heating and waste heat recovery loop 30 and a hot water circulation loop 40 .
[0023] Such as figure 2As shown, the transcritical heat pump auxiliary heating loop 10 of the present invention includes a heat pump working fluid adopting an evaporator 11 of R134a (tetrafluoroethane), an internal heat exchanger 12, a compressor 13, a gas cooler 14 and A throttle valve 15 . The heat pump working fluid outlet of the evaporator 11 is connected to the internal heat exchanger 12 , and the internal heat exchanger 12 is connected to an inlet of the gas cooler 14 through the compressor 13 . A corresponding outlet of the gas cooler 14 is connected to the internal heat exchanger 12 through a pipel...
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