分子筛吸附干燥氢气的工艺条件优化  

Optimization of Hydrogen Gas-Adsorption Drying Process Condition on Molecular Sieves

作　　者：朱冬生[1] 彭德其[1] 范忠雷[1] 何露[1] 曾力丁[1] 

机构地区：[1]华南理工大学传热强化与过程节能教育部重点实验室,广东广州510640

出　　处：《华南理工大学学报（自然科学版）》2005年第9期77-81,共5页Journal of South China University of Technology(Natural Science Edition)

基　　金：广东省科技计划资助项目(2004A10702006);广州市科技计划资助项目(025G1566)

摘　　要：分子筛的吸附量与很多因素有关,文中就空塔气速、热边界条件、真空再生时间3个因素对分子筛吸附量的影响进行了实验研究,结果表明:实验范围内的空塔气速对吸附总量基本上没有影响,但是空塔气速对单位时间吸附量影响比较大;与自然对流情况相比,吸附床外部的绝热措施可以使吸附量提高95%左右;真空再生时间对吸附量影响比较大,并以5 h为宜.The adsorption capacity of molecular sieves is related to many factors. This paper experimentally investigates the influences of superficial velocity, the thermal boundary conditions and the vacuum desorption time on the adsorption capacity. The results show that ： （ 1 ） the superficial velocity basically does not affect the total adsorption capacity in the range of the experiment but somewhat greatly affects the adsorption capacity in a unit of time, （2） compared with that in natural convection condition, the adsorption capacity would increase by 95% with the heatinsulating measures outside the adsorbent bed, and （3） the adsorption capacity is somewhat greatly affected by the vacuum desorption time, with a desirable time period of 5 h.

关 键 词：吸附床 分子筛 吸附量 工艺条件 

分 类 号：TQ028.1[化学工程]