Factors affecting the quality of the selection of permanent magnet magnetic separator

2023-05-23 08:09:48
The permanent magnet magnetic separator is called a permanent magnet magnetic separator because it does not require continuous excitation to complete the work, and its magnetic system does not require energy and does not require a cooling system. Separator permanent magnet has been widely used in mining, ore pyrrhotite and other non-metallic ore sorting work in addition to iron, a small size, light weight, easy maintenance, and simple structure, a Energy efficient iron removal equipment. The quality of the material selected by the permanent magnet magnetic separator is affected by many factors. By affecting these factors, the quality of the sorting can be improved.

1. Slurry concentration

The primary factor is definitely the concentration of the slurry. Excessive pulp concentration will cause the separation concentration to be too high, which will have a great impact on the quality of the concentrate, resulting in a lower grade of ore dressing . If the concentration of the slurry is too small, the concentration of the separation will be too low, resulting in an increase in the flow rate and shortening of the separation, resulting in the loss of concentrate. Therefore, the concentration of the ore should be determined according to the actual situation, not too large or too small.

2, cylinder speed

If the rotation speed of the cylinder is low, the output will be too low. If the rotation speed is high, the centrifugal force of the ore particles will be too large. The centrifugal force will increase the magnetic turnover of the ore particles per unit time, and the recovery rate will decrease after the left.

3, work gap

The working gap refers to the distance between the cylinder of the magnetic separator and the bottom plate. If the working gap between them is too large, the tailings will run dark, resulting in a decrease in recovery rate. If the working gap is too small, the concentrate will be The grade is lowered. At the time of production, the work gap should be adjusted according to the specific production conditions.

4, magnetic system declination

Refers to the angle of the magnetic system magnetic system deviates from the vertical line of the center line of the angle, the magnetic system of the normal angle between 15 ° ~ 20 °, if the angle of the magnetic system Excessive reduction leads to the recovery, if the bias magnetic system If the angle is too small, it will lead to an increase in the taste of the tailings and at the same time lead to the occurrence of full tanking. Therefore, the adjustment of the magnetic system yaw angle should be combined with the specific living parameters, and once the magnetic system yaw angle is adjusted, do not make frequent adjustments.

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