Simulation and experiment of six-bed PSA process for air separation with rotating distribution valve  

作　　者：Tao Tian Yayan Wang Bing Liu Zhaoyang Ding Xinxi Xu Meisheng Shi Jun Ma Yanjun Zhang Donghui Zhang 

机构地区：[1]Institute of Medical Support Technology,Academy of System Engineering of Academy of Military Science of Chinese PLA,Tianjin 300161,China [2]School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China

出　　处：《Chinese Journal of Chemical Engineering》2022年第2期329-337,共9页中国化学工程学报（英文版）

基　　金：supported by Major military logistics research pro-jects(AWS13Z006);National Key Research and Development program of China(2017YFC0806404).

摘　　要：In this work,a six-bed pressure swing adsorption(PSA)process was investigated to produce medical oxygen from air,which uses the combination of six-way rotating distribution valve and PSA and has the main advantage of effectively saving space compared to the traditional two-bed or four-bed PSA process and can obtain greater productivity.The mathematical model of adsorption beds was developed based on the separation mechanism and the interaction among different equipment.Moreover,a pilot-scale device has been constructed to verify the accuracy of mathematical model by experiment.The oxygen product conformed to the medical standard(>93%(vol))with a recovery of over 57%.Some related parameters were also discussed in detail,such as step time,ratio of length to the diameter,flow rate of product.

关 键 词：Pressure swing adsorption Air separation Mathematical modeling Rotating distribution valve 

分 类 号：TQ116.14[化学工程—无机化工]