The screw pre-cooking machine is also called screw blancher, it is suitable for continuous pre-cooking of vegetables with small shapes, so as to achieve the purpose of enzyme elimination and softening. It is stainless steel structure, spiral feeding, with a safety insulation layer. Continuous pre-cooking in a water bath, and the material is scraped out by a special turning hopper scraper. Pre-cooking temperature: ≤100℃. The equipment uses electric energy or steam as an energy source. It is designed and manufactured according to the principles of thermodynamics and various food requirements. It can blanch products of different specifications. The blanching time and temperature are automatically controlled, and the blanching process is simple and safe. Save water consumption and energy.