KYF—38米~3浮选机是新近研究成功的大型充气机械搅拌式浮选机。本文详细介绍了该机的设计特点和工业试验情况。它采用了独创的单壁后倾叶片倒锥台状叶轮,多孔圆筒型气体分配器、较小的悬空式定子和中心活动推泡板等结构。具有结构简单、节电、综合经济指标高等优点,性能赶上和超过了国内外同类型浮选机的水平。 KYF-38 m ~ 3 flotation machine is a newly researched large-scale inflatable mechanical stirring flotation machine. This article details the design features of the aircraft and industrial test situation. It uses the original single-wall back-tilt blade inverted cone-shaped impeller, porous cylindrical gas distributor, the smaller floating stator and the center activities push bubble structure. The utility model has the advantages of simple structure, energy saving, high comprehensive economic index, the performance of catching up and surpassing that of the same type flotation machine at home and abroad.