The customer's workshop has 10 production lines in total, the capacity of grinding machine is 9 sets of 500 kg/h + 1 set of 800 kg/h, and 7 sets of Qingfeng one-to-one powder cold dryer sets are selected; one full-liquid screw chiller QLK330SMC is selected for the cooling of extruding and tableting machine for centralized cooling supply.