Starchy residue is the by-products which produced when the potato, sweet potatoes, cassava and other agricultural products produce starch production, the moisture is about 80%, as for high moisture content, heavy viscosity, with the traditional drying process equipment, drying temperature is high, slag starch Gelatinization chemical reaction, dextrin clogging material particles pores, water evaporation does not come out, the particles surface turned yellowish black, "outside the coke within the soft", a serious impact on the sale of dry residue; drying temperature is low, the moisture cannot drying below 15 % at all, dryer sticky wall, gelatinization, agglomeration, drying equipment can not do normal production,this will lead to the impaired interest of the customers.Dingli brand starch slag dryer is based on the research and development for characteristics of raw material such as cassava, potato slag, and after a few sets of dryer producing experience, which can drying all kinds of potato residue below 12% in one time. The equipment used by the company's "mechanical dehydration + drum drying + pulse air drying " special Chinese patent technology, an effective solution to the traditional dryer which can not dry cassava, potato residue problems, drying material with perfect color, good quality, production line of energy saving and environmental protection ,with safe and stable operation,which praised by many new and old customers.