Vertical water ring pelletizing device which is uniform in pelletizing

The utility model relates to a vertical water ring granulating device capable of uniformly granulating. The device comprises a driving motor, a feeding chamber and a water ring cover, the top of the feeding chamber is connected with a coupler, the coupler is connected with a driving motor through a connecting flange, the bottom of the feeding chamber is connected with a water ring cover, the upperhalf portion of the water ring cover is an annular water column area, the feeding chamber is provided with a feeding pipe, the water ring cover is provided with a water inlet pipe, and the upper portion of the water column area is provided with a cutter assembly. The cutter assembly comprises a cutter head and a plurality of blades arranged in the cutter head, the cutter head is hinged to one endof a center shaft through the blades, and the other end of the center shaft is arranged on the inner wall of the top of the water ring cover. The blade is a rhombic cylinder; and a plurality of wateroutlet holes which are den