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建立空气源热泵与小型固体除湿转轮相结合的复合机组,利用压缩机的高温排气和冷凝热作为转轮除湿剂的再生能源,并应用于新风量较小、湿负荷较低的居住建筑。对热泵的排气温度与能量利用特性进行分析并对热泵废热利用情况下的除湿转轮进行模拟与实验研究,结果表明在夏季冷却除湿工况下,热泵系统的废热足够实现除湿转轮的再生并满足室内湿负荷的要求。将复合机组的一次能源利用率与传统系统进行对比,在冬季工况下,复合机组的一次能源利用率相较于空气源热泵高25%;在夏季工况下,复合机组的一次能源利用率相较于空气源热泵高36%。
Established a composite unit combining an air source heat pump and a small solid desiccant rotor, using the compressor’s high temperature exhaust and condensation heat as regenerative energy for runner desiccant, and applied to residential buildings with smaller fresh air volume and lower wet load. . The exhaust gas temperature and energy utilization characteristics of the heat pump were analyzed and the dehumidification rotor in the waste heat utilization situation of the heat pump was simulated and experimentally studied. The results showed that the waste heat of the heat pump system was sufficient to achieve regeneration of the dehumidification rotor in the summer cooling and dehumidification conditions. And meet the indoor wet load requirements. Comparing the primary energy utilization rate of the composite unit with the conventional system, the primary energy efficiency of the combined unit is 25% higher than that of the air source heat pump under the winter working conditions; the primary energy efficiency of the combined unit under summer conditions This is 36% higher than the air source heat pump.