... price ,working smoothly 2low drum screen noise 3simple structure 4high efficienty DRUM SCREEN .Description Drum screen includes hexagon drum, frame, funnel, decelerator ... hand, bigger stone flows forward along the inclinationof drum,and the stone was classified through different mesh ... and chemical industry, too..Technical parameter Model Drum size (m)Drum slope (°)Drum speed (r/m)Mesh size (mm)Max ...