... item: Rotary DryerProduct specification:Our rotary dryer is suitable for drying slag, loess, phosphogypsum, coal ash, and desulphated plaster and ... in the machine high-temperature zone, the temperature range, low-temperature zone to be effective regulation of drying time, uniform ... of standard coal / ton dry material.4.set heating, drying, dust collection as a whole to achieve operational mechanization, ...