Magnetic separator knowledge The influence of the cylinder speed of the permanent magnet cylinder magnetic separator on the magnetic separation effect Magnetic separator is one of the most widely used and highly versatile models in the industry, and is suitable for reuse in powder granules. Remove iron powder and so on. When the magnetic field strength and magnetic field force are lower than 0.14T, the coarse concentrate grade and the concentrate grade are high. As the barrel magnetic separator barrel speed increases. The crude concentrate grade and concentrate grade are almost unchanged, which is due to the fact that the concentrate contains gangue particles including magnetic agglomeration entrainment and fluid entrainment. Increasing the cylinder speed of the barrel magnetic separator may reduce the entrainment of the magnetic agglomerates, but the same advancement increases the fluid entrainment and the like. When the magnetic field strength and magnetic field force are greater than 0.165T, the coarse concentrate grade and the coarse ore grade are lower. As the cylinder speed increases, the coarse concentrate grade and concentrate grade increase significantly. This is because when the magnetic field strength and the magnetic field force are large, the magnetic aggregates entrain the gangue particles to cause the coarse ore grade to be low, and the increase of the cylinder magnetic speed of the cylindrical magnetic separator is beneficial to reduce the gangue particles entrained by the magnetic agglomerates.
The effectiveness of increasing the barrel speed of the barrel magnetic separator should be tested under conditions of higher magnetic field strength and magnetic field force, or under field conditions. When the concentrator uses a large magnetic field strength and magnetic field force of the cylindrical magnetic separator, it is more meaningful to increase the speed of the magnetic separator cylinder to improve the concentrate grade. When the magnetic field strength and the magnetic field force are low, the cylinder of the cylindrical magnetic separator is larger than the rotation speed of the cylinder of the magnetic separator. Increasing the rotational speed of the barrel magnetic separator when the magnetic field strength and the magnetic field force are sufficiently large does not result in a significant reduction in the recovery rate, but will increase the concentrate grade.
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