Magnetic separator is one of the most widely used and highly versatile machines in the industry. It is used to remove iron powder from powder granules. Magnetic separators are widely used for resource recovery, timber industry, mining, Other workshops such as kiln industry, chemistry, food, etc. According to the type of magnet, it can be divided into: permanent magnet magnetic separator and electromagnetic iron remover; according to the magnetic system, it can be divided into: cylindrical magnetic separator machine, roller magnetic separator machine and cylinder roller magnetic separator. According to the magnetic coefficient, the classification can be divided into: single cylinder magnetic separator, double cylinder magnetic separator and combined multi-bar magnetic separator; according to the classification of mining methods, it can be divided into: upper ore magnetic separator, lower Mineral magnetic separator; according to the classification of magnetic field strength can be divided into: weak magnetic separator, medium magnetic separator and strong magnetic separator; according to the classification of magnetic system can be divided into: open magnetic magnetic separator, when closed Magnetic magnetic separator; according to the dry and wet classification of the mine can be divided into: dry magnetic separator, wet magnetic separator. The main factors affecting the magnetic separation effect of the magnetic separator are divided into two categories: 1. The most important factor affecting the magnetic separation effect of the magnetic separator is the feeding ore size given to the magnetic separation. The thickness of the ore-bearing grain size indicates the degree of separation of the ore monomer, that is, the degree of separation of the magnetic ore particles from the gangue particles. If the ore particle size is small, it means that the mineral monomer has high separation degree and can obtain satisfactory selection index; if the ore particle size is relatively coarse, it means that the mineral is not fully dissociated, the monomer separation degree is not high, and the opposite body is more That is, the magnetic particles and the gangue still have a considerable portion combined. Since the continuous body is also quite magnetic, the selection can be selected for a considerable portion to reduce the concentrate grade. Therefore, it is required that the minerals to be fed into the magnetic separator must sufficiently achieve monomer separation. For the ore with a coarse grain size, as long as the mineral and the gangue have reached the monomer separation, the particle size is not necessarily too fine. Such ore sometimes has a coarser grain size, but the quality of the sorting is not low. The main reason for this is that the ore is densely grained, and the useful mineral and the gangue are separated to some extent. 2. The slurry concentration is one of the main factors affecting the magnetic separation effect of the magnetic separator. It mainly refers to the overflow concentration of the classifier. If the concentration of the slurry is too large, resulting in too high a sorting concentration, the quality of the concentrate will be seriously affected. Because the concentrate particles are easily covered by finer gangue particles and the package is not separated at this time, they are selected together to lower the grade. If the concentration of the slurry is too small, the concentration will be too low, and the flow rate will increase. The selection will shorten the pairing, so that some small magnetic particles that would have been available should fall into the tailings to increase the grade of the tailings and cause losses. Therefore, the pulp concentration should be adjusted as needed. The adjustment at the magnetic separator is mainly adjusted by the size of the blown water for the mine. However, the most important thing is that the graded overflow concentration must be completed according to the magnetic separation requirements. The maximum concentration of the feed slurry should not exceed 35%, and the control is generally about 30%. It should be determined according to the actual situation.
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