... Bucket Elevator, Dust Catcher, Vertical Screen, Vibration Sieve and Grain Exits. It is to clean the light impurity through vertical ... air sieve according to grain’s aerodynamic feature, then go into vibration sieve, clean ... be used for sifting beans, sesames, melon seed, mixed grains, corn, rice grain, wheat, sorghum, rape seed, sunflower seed, cotton seed etc ...