化工学报 ›› 2019, Vol. 70 ›› Issue (5): 1674-1681.doi: 10.11949/j.issn.0438-1157.20181289
Linchen ZHOU(),Zhigao SUN(
),Ling LU,Sai WANG,Juan LI,Cuimin LI
摘要:
为了促进水合物形成,在HCFC–141b、有机相变材料(正癸酸和十二醇)和水体系中添加表面活性剂Tween 80和Span 80作为乳化剂,采用高速搅拌的方法制备了有机相变材料-表面活性剂-制冷剂-水乳液体系,增大水分子与制冷剂的接触面积。实验研究了静态条件下有机相变材料和表面活性剂添加量对水合物形成的影响。研究结果表明添加乳化剂可以有效提高水合物的蓄冷量,减少水合物形成诱导时间,降低水合物生成的随机性;温度越低,水合物促进效果越好。水合物生成/分解循环实验表明,添加Tween 80的乳液体系的稳定性好,有机相变乳液提高了水合物生成/分解循环过程的稳定性。
中图分类号:
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