Granulating device for polyacrylamide production

The utility model discloses a granulation device for polyacrylamide production, which comprises a granulation cylinder, the outer edge of the granulation cylinder is coated with a sealing box, the sealing box comprises an upper box body and a lower box body, and the upper box body and the lower box body are tightly matched through a locking piece. Semicircular holes matched with the granulation cylinder are formed in the two ends of the upper box body and the two ends of the lower box body, a plurality of heat exchange parts uniformly distributed along the axis of the granulation cylinder are arranged in the upper box body and the lower box body, the heat exchange parts are tightly attached to the outer edge surface of the granulation cylinder, and the two corresponding ends of the heat exchange parts are communicated with a water inlet pipe and a water outlet pipe respectively; the heat exchange pieces are tightly attached to the outer edge face of the granulation cylinder for continuous heat exchange, the g