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针对以 40～ 45℃地热尾水为低温热源的热泵系统 ,作了大量的实验研究。首先 ,在该系统中采用了循环性能较好的低环害混合工质 ,以达到实际运行和环保要求 ;其次 ,根据不同的冷凝器水流量和进口水温 ,总结得出了大量稳定工况实际样本 ,绘制了不同流量和水温下的COP值曲面 ,为热泵在实际工程应用中的变工况调节运行智能化提供了理论依据
A large number of experimental studies have been done on the heat pump system using 40 ~ 45 ℃ geothermal tail water as the low-temperature heat source. First of all, in this system, a low-harm mixed working fluid with good cycle performance is adopted to achieve practical operation and environmental protection requirements. Secondly, according to different condenser water flow and inlet water temperature, a large number of actual conditions are concluded Sample, draw the COP value of different flow rates and water temperature surface, which provides a theoretical basis for the heat pump in the actual engineering application of variable operating conditions intelligent adjustment