24/09/2014 Foreign Universities, Admissions
The ore of different parts have different beneficiation process flow and different technical conditions, because of that its ore grade, mineral structure, mineral morphology, mineral ore occurrence state and grain size is different. So we must use own ore dressing experiment, we need to carry out experiment to distinguish whether minerals have useful value. If the spray angle of water is too low, not only the mine is not completely , but also it can cause that washing down the picking up magnetic particles again.magnetic separator machine' align='right' width='320' height='240' />
Feed blow apron is too big, the flowing of slurry increasing greatly, the time is short, the tailings is high grade. Blow apron is too small, the ore pulp is not fully mixed, the little ore is easy to stick into pieces, then the tailing is low grade, the grade of concentrate is low. High-pressure flushing water is mainly used to mine, it removes the magnetic minerals. But because of the bad water spray angle or the pressure of water is too big and small, this has a bad influence on the effect of magnetic separator machine.
So we must adjust the water spray angle of high pressure flushing rightly. We can adjust the angle of pipe with pipe tongs slowly, so that the effect of flushing water is good. The pressure of water is not less than 1kg/cm2, if the pressure is lower than this, it is not enough to overcome the attract that the magnetic field to particles, this will make some magnetic particles not enter into the concentrate box. The pressure is too large, it is a waste. The angle is too high, it also can cause that the concentrate is not clean, this will affect the quality. If you want to invest in mines, you should know the grade firstly.
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