Pregelatinized starch production line is a kind of equipment specially used for gelatinized starch, which can process starch into high-purity, high-viscosity, high-transparency products, which are widely used in food, medicine, cosmetics, papermaking, feed, oil drilling and other fields Among them, the production line can produce diversified modified starch products after adjusting the barrel and screw structure of the twin-screw extruder, after puffing, drying and crushing, and changing the original structure of starch to improve the viscosity.