How to configure a permanent magnet drier
Drier, generally used for a classification after dehydration or secondary grading and dehydration, sand mining equipment but mainly for Sec grinding. Sec grinding is less than the purpose of the 200 net proportion of mineral particles larger iron ore and gangue basically showed monomer separation can take off the fine gangue drier. Due to the drier off the mud effect, magnetic separator to abandon the good effect of coarse gangue, both with the better.
Under normal circumstances, the first in the beneficiation process through the drier, sand washing equipment dehydration off the mud and then configure its row of ore into the magnetic separator for the best.
strong magnetic field magnetic separator are there?
There are three. Electromagnetic ring intensity magnetic separator, gold shaking table permanent magnetic ring magnetic separator, ¦µ560 ¡Á 400 permanent magnet roller magnetic dry sorter.
1) electromagnetic ring-type magnetic separator characteristics: This machine is used to wet beneficiation. Selected sub-mineral particle size 0.1-0.043 mm, fine particles of the mineral with the machine there are still difficulties in sorting. The magnetic field strength in 10000-15000 Oster. Large production capacity, but the relationship with the size of magnetic field strength, the width of the ring,benefication equipment manufacturer speed and number of pole pairs and other factors.
The aircraft is the existence of the shortcomings of the medium ball between the pores prone to clogging. Once the plug on the deterioration of the separation indexes, has deteriorated to not work so far. The use of this fatal flaw serious ring separator.
2) permanent magnetic ring magnetic characteristics: on the structure and principles of the basic ring of the electromagnetic separator. Low magnetic field strength 7000-8000 Oster. Larger producing capacity of up to 10 t / ? selected coarse grain size below 0.15 mm. Magnetic field is stable, simple structure, and save energy. The magnetic field strength to be further improved.
3) ¦µ560 ¡Á 400 permanent magnet roller magnetic dry sorter features: This machine is a high magnetic field strength up to 22000-24000 Oster, large production capacity. The magnetic system of strontium ferrite permanent magnet, so it has the advantages of the permanent magnetic separator.
Section III, the magnetic separation process factors
the factors that influence the effect of magnetic separator?
Magnetic effect of many factors, the magnetic separator is the following:
1) magnetic separator cylinder rotation;
2) magnetic system angle;
3) work space (ie, Park tube and the bottom of the gap);
4) Pai concentrate at the gap.
magnetic rotation magnetic effect?
Generally speaking, the small diameter of the magnetic separator using high number of revolutions, eg ¦µ600 mm diameter with 40 rev / min, the diameter of the low number of revolutions, such as ¦µ750 mm diameter 35 turn / sub.
The size of the separator speed processing power. Rpm high processing capacity, low rpm low processing capacity.
Have a certain impact on the quality of concentrate. Rpm high magnetic separators in operation, due to faster magnetic smaller with the living body and gangue up opportunities, and only those magnetic high mineral particles may sorting up, and thus the quality of concentrate higher. Contrary rotation is relatively slow, due to the magnetic induction effect of the magnetic weaker mineral particles also have the opportunity of sorting up, resulting in the quality of concentrate affected.
Therefore must be based on the ore characteristics, specifications, select a suitable magnetic separator rpm.
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