Rotary dryer is widely used to dry organic fertilizer ,lignite,coal slime,gypsum,sand,etc. Rotary dryer is used ... device and sealing ring.The main technical parameter of the fertilizer dryer: ModelRevolving diameter (mm)Length (m)Gradient(º )Speed(r/min ... .0×203000203-52.610255141.33.0×253000253-52.611075176.7 Organic fertilizer dryer