一种太阳能吸附制冷用复合吸附剂的研究

Study on Composite Adsorbent for Solar Adsorption Refrigeration

利用分子筛巨大的比表面积以分子筛为载体通过浸泡CaCl2 溶液的方法制备复合吸附剂 ,在模拟实际使用条件下 ,对不同浓度CaCl2 溶液制备的复合吸附剂的吸附、解吸性能进行了测定。并将吸附解吸性能最好的复合吸附剂在自制的模拟制冷装置上进行了制冷实验。结果表明 ,复合吸附剂具有良好的吸附、解吸性能 ,最大吸附量达4 6 .93% ,在自制模拟装置上系统COP达 0 .2 5 ,SCP为 0 .0 78w g,符合太阳能吸附制冷的要求。

As molecular sieve zeolites have great ratio surface areas, a composite adsorbent was prepared by soaking zeolite in the solution of CaCl_2. Various adsorbents were prepared with various concentration solutions. These adsorbent adsorption-desorption performances were measured in the simulative conditions. The refrigerant experiment was made in the simulative refrigeration equipment with the best performance composite adsorbent. The experimental results show that the composite adsorbent has a good adsorption-desorption performance, and the maximum adsorbance is 46.93%. The COP is 0.25, and the SCP is 0.078w/g with the best performance composite adsorbent in the simulative refrigeration equipment, reaching the requirement of solar adsorption refrigeration.