This machine is used for drying the humid clay or coal at the brick and roofing tile plants, or the raw material at the bentonite plants. Rotary dryer is placed before the crusher at the plants where hammer crusher or coal crusher is used. It increases the capacity of the crushers, decrease the electricity consumption and enables longer endurance for the screens and the hammers. Rotary dryer is a full system including driving group, heating system, filter and chimney.