Energy-saving, high-gradient and high-intensity magnetic separator

Abstract

The invention relates to an energy-saving, high-gradient and high-intensity magnetic separator. The energy-saving, high-gradient and high-intensity magnetic separator comprises a magnetic separation device, a conveying device, a feeding device and a sorting box, wherein the magnetic separation device comprises a magnetic separation drum, a magnetizing system, a demagnetizing system and a driving device of the magnetic separation drum, and the magnetic separation drum consists of medium rod filler and a framework thereof; the feeding device is mounted at the lower end of an inner space of the magnetic separation drum and conveys to-be-separated ore granules to the inner side of the magnetic separation drum; the sorting box is located at the lower part of the magnetic separation drum, receives ore granules left by the magnetic separation drum and keeps the drum being immersed in ore pulp. The medium rod is not required to always finish adsorption of the ore granules in a magnetic field after being made from a hard magnetic material, the air gap space of the required magnetic system is substantially narrowed, the energy consumption and the cost are reduced, and the ore treatment amount is increased.

Description

technical field [0001] The invention relates to the technical field of mineral separation machinery, in particular to an energy-saving high-gradient strong magnetic separator. Background technique [0002] In the field of weak magnetic mineral separation, strong magnetic separators are usually used as tail throwing equipment. Strong magnetic separators are divided into two categories: electromagnetic and permanent magnet. The principle of magnetic separation of electromagnetic strong magnetic machines is to use in a uniform magnetic field. The cylindrical medium rod made of soft magnetic material changes the magnetic field distribution on both sides of the medium rod to form a gradient magnetic field, so that the weak magnetic minerals are adsorbed on the surface of the medium rod due to the force; the principle of the permanent magnetic separator is to use a staggered arrangement The magnetic block forms an inhomogeneous magnetic field on its surface, and the minerals are s...

AI Technical Summary

Problems solved by technology

[0003] In the sorting of weakly magnetic minerals such as ilmenite and hematite, the most used is the vertical ring pulsating high-gradient magnetic separator whose publication number is CN86106144A. This magnetic separator is used as a tailing equipment for weakly magnetic minerals. It has many advantages of high processing efficiency, large processing capacity, and the medium is not easy to be blocked, but the strong magnetic machine has many disadvantages: its operating cost is high, the equipment is expensive, and many private enterprises or small-scale factories and mines cannot even afford this equipment

[0004] It can be seen that the traditional strong magnetic separator has defects such as large energy consumption, large equipment volume, high energy consumption, large copper consumption, and high manufacturing cost, and needs to be further improved.

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