The centrifugal concentrator is a new type of equipment for the recovery of useful minerals in fine mud developed in modern times. The effect of sorting the slime in the gravity field is poor, and sometimes it is even difficult to sort. In the centrifugal force field, the centrifugal force is much larger than the gravity, and combined with the flow film sorting. Therefore, it can solve the problem of recovering fine minerals from 74 to 10 microns.
Centrifugal concentrator beneficiation is carried out in a centrifugal force field. It is characterized by the use of fine ore particles in the centrifugal force field to receive centrifugal force greatly exceeds gravity, thereby accelerating the sedimentation of the ore particles (ie increasing the radial settling velocity) and expanding The difference in sedimentation velocity of different density of ore particles enhances the re-election process.
When the ore particles move in a circular motion in a centrifugal force field, the centrifugal force c generated can be expressed by the following formula:
Where m - mass of mineral particles;
v - the linear speed of the centrifuge operation · m / s;
R - centrifuge drum radius;
ω - the angular velocity of the centrifuge drum, radians / sec.
The centrifugal acceleration of the ore particles in the centrifuge is several times the gravity acceleration of the general gravity chute. Therefore, the sedimentation velocity of the ore particles can be greatly accelerated.
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