Aimed at raw materials such as fresh cassava, sweet potato, beet etc. used by alcohol and starch industries, our company researches and manufactures new-type SJFS-450 serial wet processing crusher, which absorbs advantages of its like both at home and abroad. It has characteristics of large processing volume, strong crushing capacity, low energy consumption and high recovery rate. Adopted direct driving by motor, it reduces power consumption and rise up economic result. The said crusher consists of frame, cover, rotor assembly, water spray pipe and motor and the rotor assembly is treated by dynamic balance with tolerance ≤ 5g therefore it has features of compact structure, stable and reliable operation and easy installation and application.