Spiral blanching machine is suitable for blanching time, generally not easy to damage of granular materials, such as soybean, Chinese cabbage, stir, garlic, etc., the spiral blanching was homogeneous; Mesh belt type for blanching machine is generally used in high standard short blanching time, blanching (such as vegetable Ye Zipiao hot time shorter, diameter of root of blanching time point), easy to damage the leafy vegetables or fruits. This equipment is bath type pre-cooking filming equipment, automatic in and out of the material, high efficiency, cover an area of an area small, etc. Suitable for vegetables, fruits, aquatic products, quick-frozen, dehydrated before filming for the blanching, especially suitable for granular and small block product processing. Example: green vegetables, cabbage, carrot, taro seeds or other materials.