Magnetic separation is a widely used method of dressing. Poor magnetite ore by the weak magnetic field magnetic separation. Usually use permanent magnet cylinder separator for secondary sorting.

1. The application of ways and classification of the separator
Magnetic separation is a widely used method of dressing. Poor magnetite ore by the weak
magnetic field magnetic separation. Usually use permanent magnet cylinder separator for
secondary sorting; weakly magnetic hematite ore, the direct use of the strong magnetic field
magnetic separator selection; or by magnetic roasting, with a weak magnetic field magnetic
separator sorting. Most of the manganese mineral wolframite are available strong magnetic field,
magnetic separator selection.
In recent years, with multi-layer sensor pole magnetic separator, high gradient magnetic separator
and super
conducting magnetic separator have appeared, not only for fine-grained level and micro-fine
particles of weakly magnetic minerals beneficiation provides an effective means of, but also the
magnetic France gradually get rid of the original limitations to be applied in more fields. At
present, the high gradient magnetic separation technology has been used in the kaolin industry, but
also for the hematite election, coal desulfurization, non-metallic impurity removal, sewage
treatment.
Magnetic separator: separator (magnetic the separator), a wide variety, usually by the magnetic
field strength of poly magnetic media types, classification and nomenclature of the working
medium as well as structural features. The most basic is the magnetic field strength can be divided
into three categories:
① weak magnetic field magnetic separator, the working gap of the magnetic field strength (0.6 ~
1.6) × 105A / m, used to select the other strong magnetic minerals;
② magnetic field magnetic separator, the magnetic field strength of the working gap (1.6 ~ 4.8) ×
105A / m, used to choose the other middle-magnetic minerals;
③ strong magnetic field magnetic separator, the working gap of the magnetic field strength (4.8 ~
20.8) × 105A / m used to choose the other weakly magnetic minerals.
Since the 1970s, the superconducting magnetic separator, magnetic field strength of up to (28 ~
40) × 105A / m, you can choose other more weakly magnetic mineral.
According to working medium, the magnetic separator can be divided into dry and wet separator.
Magnetic separator structure is related to what mineral to be choosen, mineral magnetic strength
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