This series of cylinder sieve is used for cleaning before drying, which has thecharacteristics of large conveying capacity, strong ability to clean impuritiesand low energy consumption. The inclination of the screen hole is 45°, which is conducive to the removal of impurities. The inner wall ofthe screen is equipped with spiral blade , which can effectively dischargegrain and impurity separation. The top of the cylinder screen is equipped witha dust collector, which can effectively remove the dust in the grain.