From dosing plate and the magnetic drum is an important pre-process parameter, the smaller the separator riving from lean ore magnet block are not good recovery, reducing the utilization of mineral resources; dosing separator The larger the distance, the better the separation of the gangue minerals, and the lower the grade of the grinding, which is not conducive to the efficiency of the grinding. According to the nature of the ore and adjusting the distance between the separation plate and the drum, the gangue is fully thrown, and the full recovery of the magnetic product is ensured to ensure the recovery rate of the dry concentrate.
2, adjust the height of the dry magnetic separator machine
The separator of the magnetic separator directly affects the sorting effect of the magnetic separator, and the separator plate is too low, so that the poor lean magnetite is not recovered well, and the utilization of ore resources is reduced; Too high, the gangue minerals are not completely thrown, affecting the sorting effect of the dry magnetic separator. According to the specific conditions, the height of the dry-selected material-receiving plate is adjusted, so that the dry-selection can ensure a certain throw-off ratio, and the non-magnetic mineral can be better thrown.
3, increase the leveler, try to make the dry selection layer thin and even
Generally speaking, the farther the magnetic separator is from the surface of the cylinder, the more the magnetic force is attenuated. If the material flow is too thick, the magnetic particles and non-magnetic particles will be mixed with each other, which will affect the sorting effect of the ore. If the particles can be monolayer on the belt. The distribution is ideal. It is required to increase the material layer leveler before dry selection, and make full use of the effective width of the belt to make the dry material selection layer thin and uniform, and ensure the dry selection effect.
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