A Korean customer ordered our company's potato dregs dryer with a secondary drying system. The primary drying adopts DLSG2210-3, and the secondary drying adopts DLSG-1610. The expected drying effect can be achieved while effectively avoiding the gelatinization of potato residues. Capacity: 1.5 t/h. Initial moisture of raw materials: about 89%, moisture after drying: <14%. The equipment has been operating normally and has met the customer's expectations.