中文摘要：

为解决当前污泥干燥存在的问题,该文研究利用太阳能热泵对污泥进行干燥,阐述了太阳能热泵污泥干燥系统的结构与工作原理,对系统的主要设备进行了计算设计并进行试验及性能分析,最后对太阳能热泵干燥与其他几种典型干燥方式的能耗及经济性做了比较。该系统具有节能、环保、经济等优点,配备太阳能系统平均可节省电量10%左右。该研究可为太阳能热泵干燥污泥的工程应用提供参考。

英文摘要：

In order to solve the problems of sludge drying,the working principle and system structure of sludge drying-system by solar energy and heat pump were introduced firstly,and then the main equipment of this system was calculated and designed,the system performance was analyzed comprehensively through experiment.Finally the energy efficiency and economy of solar energy heat pump drying-system were compared with that of the other drying system.The results showed that this system was energy-saving,eco-friendly and economy.Equipped with solar thermal collector,the system can save energy about 10% in average.The research can provide a reference for engineering application of sludge drying by solar energy and heat pump.