... and low drying cost. Structure and working principle of Coal Slime DryerCoal slime dryer consists of heat source, break up ... device, belt conveyors, feeders, rotary drum, a belt feeder, induced draft fan, discharger and power cabinet composition. Its working ... the discharge opening. The whole drying process is finished here.Coal slime rotary dryer main stature1. Strong resistance to overload, ...