... Advanced Technology 2.High Efficient 3.Easy Maintenance Chinese Efficient Rotary Kiln Dryers 1.About Our Company:Our company have ... 2400mm,2600mm,2800mm,....,4200mm.2.What's the usage of rotary dryer?Rotary drier is widely used for drying materials in the ... feeding and discharging equipment, dust catcher, etc.4.Rotary drier working principle:Rotary drier adopts direct flow type of heating with heat ...