Polyethylene particle fine purification device

The utility model discloses a polyethylene particle fine purification device which comprises a water tank, an opening is formed in the upper portion of the water tank, and mounting clamping grooves are formed in the left and right opposite tank walls; the roller filter screen is hollow, a containing space is formed in the roller filter screen and used for containing polyethylene particles to be cleaned, a plurality of filter holes are evenly distributed in the screen wall of the roller filter screen and used for clear water to pass through, and a plurality of stirring blades are arranged on the inner wall of the roller filter screen; the two roller covers are connected to the two ends of the roller filter screen respectively, and a roller rotating shaft is formed in the middle; the driving part is connected to one of the two roller rotating shafts, and the driving part is used for rotating the roller filter screen; the water spraying device is arranged above the water tank and is used for providing clean wate