The granulator screen changer is mainly used in granulation, PE, PP, PPR, PERT pipes, plates, sheets, cast films, non-woven fabrics, chemical fiber spinning, and other production processes that require uninterrupted material flow and high continuity during screen changing. The plastic granulator screen changer is a dual column and dual station screen changer. During operation, two filter screens work simultaneously. When a screen changer is needed, the hydraulic station can be activated to perfo