硅胶及硅胶-氯化锂复合材料蓄能特性实验与分析  

INVESTAGATION OF THE EXPERIMENT ON THE ENERGY STORAGE CHARACTERISITICS OF SILICA GEL AND SILICA GEL-LITHIUM CHLORIDE COMPOSITE MATERIAL

作　　者：常烜宇[1] 李勇[1] 何海斌[1] 王如竹[1] 

机构地区：[1]上海交通大学制冷与低温工程研究所,上海200240

出　　处：《太阳能学报》2017年第7期1767-1772,共6页Acta Energiae Solaris Sinica

基　　金：国家科技支撑计划(2012BAA05B06-6)

摘　　要：通过将硅胶浸泡在氯化锂溶液中制成硅胶-氯化锂复合材料,并对硅胶及复合吸附材料的平衡吸附量进行测试,利用材料的平衡吸附模型分析材料在不同再生温度和再生湿度条件下的再生特性以及材料的最大蓄能特性,结果表明:复合材料的平衡吸水量约为硅胶的2.3倍,且其最大蓄能密度可以达到1723 k J/(kg吸附剂),约为硅胶的1.65倍。材料在不同的处理空气入口温度与湿度条件下,分析材料释放热量的特点以及在利用材料进行除湿供暖时,吸湿量每增加2 g/(kg干空气)时,出口空气温度平均升高5℃。equilibrium Silica gel-lithium chloride composite material is prepared by silica gel soaked in lithium chloride solution, adsorption capacity test of silica gel and composite adsorption materials is conducted, investigations on characteristic of regeneration and maximum energy storage of materials under different regeneration temperature and regeneration humidity conditions are conducted according to the equilibrium adsorption model. The results show that water absorbing capacity of composite material is 2.3 times of silicon gel, and the maximum energy storage density is 1723 kJ/kg, which is 1.65 times of silicon gel. Heat release characteristics of material under different inlet temperature and humidity are investigated. When materials are used to heating and dehumidification, outlet temperature increases 5 ℃ averagely with the 2 g/kg increase of hygroscopic capacity.

关 键 词：硅胶 氯化锂 吸附蓄能 除湿 

分 类 号：TK515[动力工程及工程热物理—热能工程]