Drum dryer drum dryer mainly consists of rotary body, lifting plate, rotating component device, supporting device and seals and other components. Dryer is a slightly inclined to the horizontal cylinder, the material is added from a high end, high-temperature hot flue gas and the material and flow into simplified. With the simplified move, the material due to gravity to a lower end of the run, copy board fitted on the cylinder wall, the material took another shed, so that the material of the contact surface with the gas stream is increased to improve the drying rate and to promote material forward. The dried product was collected from the lower part the lower end.