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A Smart Community Waste Heat Recovery System Based on Air Source-Sewage Source Compound Heat Pump

Yonggao Cheng, , Siran Bai
International Journal of Heat and Technology , Volume 39, pp 503-511; doi:10.18280/ijht.390220

Abstract: Compared with the traditional hot water production methods, heat pump systems have the unique advantages of high efficiency, energy saving, and eco-friendly, so they have a very good promotion and application prospect. The sewage source heat pump systems can recover the waste heat of high-temperature sewage produced in residential communities, for this reason, this study integrated the proven air source heat pump technology with the sewage source heat pump technology and conducted a research on the smart community waste heat recovery system based on the air-source/sewage-source Compound Heat Pump system (CHP system). In the paper, the design steps and equipment selection flow of the proposed system were given, the waste heat utilization rate of the proposed system was calculated, and the obtained experimental results verified the energy-saving effect of the proposed system, which had provided a reference for the application of the compound heat pumps in other occasions.
Keywords: energy saving / air / heat pump / waste heat / sewage source

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