Hydrolysis device applied to phthalimide production

The utility model relates to the technical field of pesticide intermediate production, in particular to a hydrolysis device applied to phthalimide production. Comprising a tank body, a filter ring is fixed in the upper end of the tank body, a filter cylinder is fixed on the inner side of the filter ring, a stirring rod is rotatably connected in the tank body and penetrates through the filter cylinder, a turntable is fixed on the stirring rod above the filter cylinder, a plurality of fixing rods are fixed at the lower end of the turntable, and a ring pipe is fixed in the tank body between the turntable and the filter ring; the annular pipe communicates with a water pump fixed to the outer side of the tank body through a communicating pipe, the water pump communicates with the tank body, and a plurality of spraying holes are formed in the lower end of the annular pipe. According to the phthalic anhydride heavy component stirring device, phthalic anhydride heavy components among the tank body, the filter ring an