Drum body: The drum body is the main part of the sand drying machine. And it is equipped with the feed and discharge cases and sealing gaskets to prevent the heat from escaping. Support system: The support system consists of rollers, catch wheels and riding wheels, etc. Transmission: The transmission system includes big gear, pinions, motor and gear reducer. During the running process, the drum body is driven by motor through triangular belt, gear reducer, pinions and big gear. Thermal systems: The thermal systems are mainly divided into two types: thermal cotton and galvanized thermal plate. The thermal cotton is made of basalt, dolomite and binder by high-temperature melting. On the basis of insulation, the galvanized thermal plate can prevent rain, corrosion, and is suitable for rainy countries.