High -purity purification device of hexafluoroethane or trifluoromethane

The utility model discloses a high -purity purification device of hexafluoroethane or trifluoromethane, normal atmospheric temperature including establishing ties in proper order adsorbs unit, cooler, weight -removing column, cryosorption unit and lightness -removing column, the operating temperature that normal atmospheric temperature adsorbs the unit is 0 degree to 35 degrees, does the operating temperature of cryosorption unit do 50 to 0 degree. The utility model discloses a high -purity purification device utilizes under the low temperature molecular sieve to inhale water and carbon dioxide and has stronger adsorption efficiency, sets up low temperature end purification system between weight -removing column and lightness -removing column to get rid of more thoroughly with moisture and carbon dioxide, equipment is simple and easy, can operate in a flexible way. 本实用新型公开了种六氟乙烷或三氟甲烷的高纯纯化装置，包括依次串联的常温吸附单元、冷却器、脱重塔、低温吸附单元以及脱轻塔，所述常温吸附单元的工作温度为0度到35度，所述低温吸附单元的工作温度为-50到0度。本实用新型公开的高纯纯化装置，利用低温下分子筛对水及二氧化碳吸具有更强的吸附能力，在脱重