... exchange 2.Automatic temperature control system 3.Direct process High quality screw dryer Work principle:The raw material plate which ... capacity.Components:Composed of cylinder, lifters, driving device, supporting device and sealing ring, feeding device, discharging device, gears, gearbox, motor, dust collector, ... hours, and easy to pratice in following period.SLHW Series ModelΦ1.5*12mΦ1.8-14mΦ2.0* ...