... feeding department, the discharging department, rotary department, transmission department (reducer, small transmission gears, motor, electric control) and other major parts. Hollow ... structure is the body of the mill cylinder liner, grate, diaphragm plate and the feeding, discharging device. Mill liner is primarily ... Web: http://www.zzdefy.com.cn http://www.zzdefy.cn High Efficiency Small Ball Mill