Grain Impurity Screen - Grain Selecting Machine

The Grain Impurity Screen is used for cleaning different size of the impurities in the materials, such as seeds, wheat, nuts, corn, etc. Raw materials after fed into machine by elevator, light impurities and dust were sucked out through double direction of gravity catcher; The left materials enter into vibratory sieving trunk, there are two layers of sieves and the first layer can separate coarse impurities (large pieces of wood, strings and straw) bigger than the grain, while the second layer can separate fine impurities (sand and broken grain) smaller than the grain. The sieves has vibration mechanism to ensure better cleaning process by adjustable angle of engine, and rubber balls inside for the self-cleaning. This product is widely used in agricultural product processing industry of various materials, and it has become the preferred choice for a grain cleaning machine. It can be applied to the assembly line to achieve the automatic work with cyclone dust separator or pulse