The main engine of the dryer adopts a new internal structure: the inner, middle and outer barrels are separated from a number of drying chambers by a through plate, so that the sand runs without dead angle within the internal 360 degree range, and fully absorbs heat; the external drive system adopts a new type: spring plate support, can be automatically corrected, running smoothly without deviation, solid running belt, durable; Warm water tank, prevent bearing temperature rise, lubricating oil deterioration and so on a series of characteristics.
