Abstract

With the energy shortage, environmental degradation is becoming increasingly serious, waste heat recovery has become one of the important technical means to solve the energy shortage. Campus bath as an important part of the campus building have waste heat, large flow of people, energy consumption and other characteristics. Through the basic data of the baths and water temperature of a university in Shenyang, the energy consumption of the baths in the campus was obtained. So we want to propose a new type of bathroom exhaust gas/waste water and gas dual source heat pump cascade waste heat reuse hot water system. By using the dimensionless contrast analysis method, the efficiency of waste heat recovery and the technical problems to be solved in the waste heat recovery and utilization of the bath are analyzed, and the corresponding solutions are given. The use of the dual source heat pump system can reduce fuel 40%, save operating costs 30%.

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