... resistant casting, heat treatment, etc. Not only the single machine (crusher, mill, dryer, etc.), but also the whole ... temperature ( generally 350-380°C).StructureRotary drum dryer machine is mainly composed of shell, back and forth ... , Conveyor, Vibrating Screen, Flotation Machine, Magnetic Separator, Shaking Table, Spiral Classifier, Thickener, Filter, Drier, Rotary Kiln, Sand Washer, Sand Production ...