The SLon type vertical ring pulsation high gradient magnetic separator is the first generation of continuous high gradient magnetic separator used in large-scale industrial production at home and abroad. Its appearance is shown in Figure 1. The machine successfully solves the problem that the magnetic medium of the flat ring strong magnetic separator and the flat ring high gradient magnetic separator is easy to block, and has the advantages of high efficiency, high adaptability, high equipment operation rate, low operating cost and small maintenance work. So far more than 400 SLon vertical ring pulsating high gradient magnetic separator (hereinafter referred SLon type high gradient magnetic separator) is widely used at home and abroad weakly magnetic metal fine ore beneficiation and purification of non-metallic minerals.
Figure 1 Slon type vertical ring pulsation high gradient magnetic separator appearance
In the production process of the Qidashan Concentrator of Angang Group Mining Company, the Slon type high gradient magnetic separator plays a key role in reducing tailings grade and increasing iron recovery rate. Through the efficient degumming of the machine, it has created favorable conditions for improving the iron concentrate grade and reducing the consumption of the medicament for reverse flotation. Due to the good electromechanical performance of the Slon type high gradient magnetic separator, the magnetic medium is not blocked for a long time, the equipment operation rate is above 99%, and the water and electricity consumption and maintenance cost of the equipment are low, which is important for the factory to reduce production cost and long-term stable production. effect. The application of the Slon magnetic separator with the improved production process has enabled the iron concentrate grade of the plant to reach 67.50% and the iron recovery rate to reach 78.00%. In the application of the Sang-type high-gradient magnetic separator in the Donganshan sinter plant, the tailing grade of the magnetic separation operation is greatly reduced, which plays a key role in achieving high recovery rate in the whole process. The machine is used for rough and fine grain tailing operation, and its tailings grade is about 12.50%, which can reduce the final tailings grade by 1.2 percentage points, and the final recovery rate is increased by 3 percentage points. In the industrial comparison test of Qidanshan Iron Ore Dressing Plant of Angang Group Mining Company, the technical performance indexes of Slon type high gradient magnetic separator exceeded the flat ring strong magnetic separator. Angang Group Mining Company decided to use Slon high gradient magnetic separation. The machine completely replaces the original flat-ring magnetic separator, which plays an important role in improving the recovery rate of the whole process and creating good working conditions for flotation.
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