【作者】 韩俊召；

【导师】 裴清清；

【作者基本信息】 广州大学 ， 供热、供燃气、通风及空调工程， 2007， 硕士

【摘要】 太阳能溶液除湿空调系统无污染、耗电少且可利用低品位热源实现再生，因此具有广阔的发展前景。再生器性能系数不高是太阳能溶液除湿空调系统亟待解决的问题之一。集热型再生器将太阳能集热器和再生器的功能合二为一，结构简单，同时它利用太阳能直接加热稀溶液，使再生可以在较低的温度下进行，提高了太阳能利用效率。本文对太阳能平板降膜再生过程的传热传质特性进行了分析，并采用不同除湿溶液进行了实验研究。针对不同的实验工质：氯化钙溶液、氯化锂溶液、质量比1∶1的氯化钙和氯化锂混合溶液，研究了空气入口温度、含湿量、空气流量、溶液流量、溶液进口温度、进口浓度对再生量和再生器效率的影响。实验结果表明：较低的溶液进口浓度和空气入口含湿量以及较高的溶液进口温度能够增加再生量和再生器效率；而空气入口温度升高时，再生量和再生器效率仅略有增加。在相同的溶液和空气入口参数下，CaCl₂溶液的再生性能最优，1∶1混合溶液次之，LiCl溶液的再生性能最差。综合除湿和再生性能考虑，1∶1混合溶液是一种性价比较高的除湿溶液。更多还原

【Abstract】 The solar liquid desiccant air conditioning system without pollution to the environment can save electricity power and utilize the low-grade heat. Hence there is wide prospect of application for it.The low regeneration performance of the solar liquid desiccant air conditioning system is one of the urgent problems. The collecter/regenerator has the function of both solar collector and regenerator and so is simple in structure. The solution in it can be concentrated utilizing solar energy at lower temperature. So the solar energy utilization efficiency of the collecter/regenerator is highThe theoretic analysis of the heat and mass transfer in collector/regenerator was carried out. The experimental study on regeneration process was also done with different solutions. The influence of the inlet solution concentration, temperature and solution flow rate, inlet air flow rate, temperature and air humidity was studied with different desiccants solution(calcium chloride, lithium chloride and mixture solution).The results show: the lower the inlet solution concentration and air humidity is, the higher the evaporation rate and the collector efficiency is. The evaporation rate and the collector efficiency will be higher when the inlet solution temperature rise. But the influence of inlet air temperature on it is not obvious.The regeneration performance of calcium chloride is optimal, but the performance of lithium chloride is bad at the same condition. The mix solution is one kind of high performance-cost ratio solution Based on dehumidification and regeneration更多还原