... fuel type: HFO, NG,Coal,LPG, etc -No pollution to the material -Energy saving enviroment friendly Chicken dung dryer is mainly consist ... into the atmosphere. Then the materials would be dryed. Rotary dryer is used to dry slag, clay, limestone, It is mainly ... industries of mineral dressing, building material, metallurgy and chemical. Rotating dryer can be used for drying many kinds of materials and ...