This machine is used in dividing ferrous metal, non-ferrous metals and nonmetal such as talcum.The impellor rotating with the motor v-belt moving produced centrifugal force and formed negative force, which can mix the enough water with the mineral liquid and mix the mineral liquid and medicine, making the minerals sticking to the foam, then the floating useful foam with ore powder is discharged by scratch board through adjusting the height of the lock plate.