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中文摘要：
城市污水作为热泵冷热源时，温度适宜但是流量经常不足，从而很多场合采用常规污水源热泵系统无法满足建筑物供热高峰负荷的要求。据此，本文提出了在高峰热负荷下，在提取污水显热能的同时，采集污水凝固潜热能作为热泵的低温热源这一新思路。进而本文开发了既能连续、安全地除冰、取热，又能去除污水软垢、强化换热的凝固换热器；接着根据水源特点，讨论并建立了城市污水源采集凝固热热泵的合理系统形式；最后初步分析了系统的适用性及应用潜力。结果表明：系统适用范围较广、应用潜力较大。
英文摘要：
The temperature of urban sewage is suitable, but its flux is insufficient as cooling and heating source. So in many cases the conventional sewage source heat pump system is unable to satisfy the building heat peak load. According to this condition, a new mentality is proposed about which the freezing latent heat of urban sewage is used as the low temperature heat source of heat pump in the building as well as sensible heat. Then a device is developed, freezing latent heat exchanger namely, which can eliminate the ice safely, extract the heat continuously, remove the sewage soft-dirt, and strengthen heat transfer. According to the sewage characteristics, reasonable forms of the urban sewage source heat pump with freezing latent heat collection are discussed and established. The results of analysis showed that the new system have broad feasibility and giant application potential.
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