2015年7月20日星期一

Magnetic action


After the MAG magnetic grate separator works by other materials to be selected into the sorting space separator, by force and other mechanical forces (such as gravity, centrifugal force, friction, medium resistance, etc.) of the joint action. Suffered by the magnetic force of the magnetic mineral particles the size of magnetic minerals in itself relevant; non-magnetic mineral particles are mainly affected by the action of mechanical forces. Consequent, each movement along different paths, get separation. Generally magnetic particles in a magnetic field and suffered than the size of the magnetic field strength and gradient proportional.
MAG magnetic separation variety, usually in the magnetic field strength, magnetic flux media type, the working medium and the structural characteristics and other classification and nomenclature. The most basic classification is based on the strength of the magnetic field, there are three types: ① weak magnetic separator, the working gap of the magnetic field strength (0.6 ~ 1.6) × 105A / m, used for sorting the strong magnetic minerals; ② the magnetic separator , the working gap of the magnetic field strength (1.6 ~ 4.8) × 105A / m, used for sorting moderate magnetic minerals; ③ strong magnetic field intensity magnetic separator, the working gap of (4.8 ~ 20.8) × 105A / m for election Do weakly magnetic minerals. Since the 1970s superconducting magnetic separator, magnetic field strength up (28 ~ 40) × 105A / m, can sorting weaker magnetic minerals. According to the working medium, magnetic separator has (air) and wet (water) of the points dry. Separator structure and to choose other mineral magnetic strength and size related. In addition to the magnetic pulley used for sorting bulk material, the material can be processed by the particle size is generally a few millimeters to a few microns.

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