Drying system

The utility model discloses a drying system which comprises a dryer and a nitrogen making system communicated with the dryer, and the dryer is used for drying materials. The nitrogen making system comprises an air compressor, an oil remover, a filter, a first adsorber, a dehydrator and a nitrogen making unit which are communicated in sequence; the nitrogen-making unit is communicated with the lower part of the dryer; the upper part of the dryer is communicated with the filter; according to the drying system, nitrogen recovery and air treatment can be achieved at the same time, pressure for additionally adsorbing oxygen and other components cannot be generated for adsorption of the nitrogen making unit, normal nitrogen preparation is not affected, and environment-friendly and economical production is promoted. 本实用新型公开了一种干燥系统，所述干燥系统，包括干燥器及与其连通的制氮系统，干燥器用于对物料进行干燥；所述制氮系统包括依次连通的空压机、除油器、过滤器、第一吸附器、除水器及制氮单元；所述制氮单元连通干燥器的下部，干燥器的上部连通过滤器；所述干燥系统可实现回收氮气与空气的同时处理，不会给制氮单元吸附构成额外吸附氧气等成分的压力，不影响正常制备氮气，促进环保节约型生产。