Multi-force field spiral centrifugal permanent magnet high gradient magnet separator

Abstract

A multi-force field spiral centrifugal permanent magnet high gradient magnet separator comprises a material conveying air inlet pipeline and an air outlet pipeline arranged respectively on a feeding hole and on a discharge hole of a spiral sorting apparatus. An inlet of the material conveying air inlet pipeline is connected with an air source apparatus and a feeder; an outlet of the material conveying air outlet pipeline is connected with a magnetic object gathering device and a nonmagnetic object gathering device through corresponding pipelines; the spiral sorting apparatus comprises a cylindrical shell, an internal layer rectangular magnetic steel encircling an outer wall of the cylindrical shell in an arrangement, an inner ring spiral matrix, which is cladded on a surface of the internal layer rectangular magnetic steel, made of a magnetic conductive metal material and in a cylindrical structure, an outer ring spiral matrix, which is sleeved on the inner ring spiral matrix in a coaxial line interlayer sleeve structure way and is in a cylindrical structure, and an external layer magnetic matrices encircling an outer wall of the outer ring spiral matrix in a spiral arrangement corresponding to the internal layer rectangular magnetic steel.

Description

technical field [0001] The invention relates to a sorting device for fine-grained materials, specifically a strong magnetic sorting machine for sorting weak magnetic components from materials—a multi-force field spiral centrifugal permanent magnet high-gradient magnetic separator. It belongs to the field of dry mineral separation technology; the magnetic separator combines centrifugal force and is equipped with a wind system, which can be specially used for magnetic separation and desulfurization of blast furnace injection coal powder, and can also be applied to the separation of non-metallic minerals such as kaolin and montmorillonite and building materials. Purification of powder materials in , ceramics, abrasives and other industries. Background technique [0002] At present, in the powder industry such as building materials and abrasive materials, the magnetic separation equipment that belongs to the field of dry mineral processing technology, whether it is permanent mag...

AI Technical Summary

Problems solved by technology

Although the vibration method is used to solve the blockage of the magnetic gathering medium, the compactness of the magnetic gathering medium leads to incomplete separation. At the same time, the vibration of the inner cylinder along the axial direction also damages the permanent magnet, which accelerates the demagnetization and eventually leads to separation. The field strength does not meet the requirements

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