... cost. Structure and working principle of Coal Slime DryerCoal slime dryer consists of heat source, break up device, belt conveyors, ... . The whole drying process is finished here.Coal slime rotary dryer main stature1. Strong resistance to overload, large capacity, less ... type feed, discharge device. Put an end to the drum dryer feed plug, not continuous, uneven and returning materials, and so reduce ...