... dry organic fertilizer ,lignite,coal slime,gypsum,sand,etc. Rotary dryer is used for drying materials with humidity or granularity in ... coal powder, slag, clay stone. And it formed by rotary body, lifting blade, driving device, supporting device and sealing ring. The ... main technical parameter of the fertilizer dryer: ModelRevolving diameter (mm)Length (m)Gradient(º )Speed(r/min) ...