Power Plant Circulating Water (PPCW) waste heat recycling is an important way of increasing a power plant's primary energy ratio. According to the PPCW waste heat regenerative thermal system, the authors propose two modes of heat pump heat regenerative of the system, ASPEN PLUS, one of the most famous softwares of chemical engineering,was used to stimulatethe process. The measures to save energy of power plant's circulating cooling water waste heat recovery system were obtained by analyzing the influence of technological factors such as the coefficient of performance of heat pump (COP) and the substituted position, which were suitable for practical productions.
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