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Analysis of Factors Affecting the Selection Index of Suspended Permanent Magnet Iron Remover
For the suspended permanent magnet separator, the key factor affecting the sorting index is the correct selection of the disc distance. By studying the influence of this factor on the magnetic force and sorting results of the suspended permanent magnet separator, the disc distance (the sum of the thickness of the magnetic disc and the non-magnetic disc) should be twice the upper limit of the selected ore size. When the disc pitch is reduced below the above value, the depth of the non-uniform magnetic field near the rotating roller is insufficient, which causes a sharp drop in the recovery factor of the magnetic portion. Conversely, when the enthalpy is increased to four times the upper limit of the selected mineral size, the impact on the sorting index is not significant. Continued increase in disk spacing will result in reduced recovery of magnetic concentrates. After various experimental studies, it is pointed out that when wet selection, water has resistance to the magnetic poles of the iron remover, so other conditions are the same, the same recovery factor is required to obtain the same magnetic force as the dry selection. .
Therefore, it is very important for wet selection to correctly select the minimum possible distance between the rotating roller and the opposite magnetic pole or between the rotating roller and the feeding groove. Through the continuous experiment of the experts of the suspended permanent magnet separator, the distance between the belt and the disc iron remover from the transverse belt or the disc to the transport belt is reduced with the progress of the ore movement, so it can be guaranteed The magnetic ore particles corresponding to the reduction of the magnetization coefficient are recovered, and sometimes the ore particles having a correspondingly reduced particle size can be recovered.
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Contact: Bright Han
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