集中供暖用地热高温热泵工质研究
Refrigerants of geothermal high temperature heat pump used in central heating
摘要：
介绍了集中供暖用地热热泵的应用工况及使用要求，分析了潜在的高温工质包括纯质和混合物的性能特性，给出了高温热泵工质的筛选原则，实验研究了混合工质R22/R141b在不同配比下的性能特性。
关键词：热泵,地热,工质
Abstract：
Describes the working conditions and operating requirements of the heat pump. Analyses the performance of potential high temperature refrigerants including pure and mix working fluids. Presents the principles of selecting high temperature heat pump refrigerants. Researches the performance of mix working fluid R22/R141b with different matches by experiment.
Keywords:heat pump, geothermal, refrigerant