... selling rotary dryer: 1.High thermal efficiency 2.Energy saving 3.Low consumption 4.Little engineering investm The High Efficient and Energy ... Material to dry: Particular material as rice shell, saw dust, and ground wood chip, tree branch, wood bits, etc,.(Diameter is ... .5m11.6x1.5x3.5m15.0x3.0x5.0m The High Efficient and Energy Saving drum dryer