... DryerRotary dryer machine is mainly composed of shell, back and forth supporting wheel, feeding and discharging unit and gear cap( ... not in the the scope of this machine include firebox, feeding and discharging equipment, dust catcher, etc). rotary ... , Hammer Crusher, Compound Crusher, Box Hammer Crusher, Feeder, Ball Mill, Rod Mill, Raymond Mill, Conveyor, Vibrating Screen, Flotation Machine, ...