One is the feeding area, wet coal into this area and high temperature vacuum hot air contact was quickly evaporate large amounts of water, slime in the lead angle of the copy board copy move, form do not become bonded by introducing a work area;
Two is to clear the area, this area is wet coal slurry copy board took form the material status material falling curtain, is easy to form a bond of the cylinder wall, in this area due to equipment design, cleaning device, cleaning device can quickly clean away the bonding cylinder wall slurry, in this process, cleaning device for material pellet agglomerate is broken, thereby increasing the heat exchange area, improves heat transfer mass transfer efficiency, improve drying rate;
Three is inclined lifting plate area, this district is low temperature drying zone, this zone has a low moisture of coal slime loose condition, this area has not having an adhesion phenomenon, after the heat exchange product reach the required water requirements, moving into the final Discharge area;
Four is the discharge zone, drying the host drum in this area does not have a copy board, the material in this area of rolling sliding to the material discharging opening, the whole drying process is completed.