HYJ-2.2,HYJ-3.2 vertical type Drying machine is of high energy usage, reasonable design and ... good drying effect. HYJ-2.2,HYJ-3.2 vertical type Drying machineThe drying machine is of high energy usage, reasonable ... , coal, iron powder, ore,etc.(7) microcomputer automatic detection control system for the dryer with the online optimization process and parameters ...