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Demagnetizing process and demagnetizer

A demagnetization and process technology, applied in the direction of magnetic objects, electrical components, circuits, etc., can solve the problems of poor dispersion effect of iron ore, poor demagnetization effect, etc., achieve low remanence, long residence time, and improve dispersion effect Effect

Pending Publication Date: 2022-01-28
纪礽辉
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main purpose of the present invention is to provide a demagnetization process and a demagnetizer, which has the characteristics of solving the defects of poor demagnetization effect and poor iron ore dispersion effect in the traditional demagnetization process

Method used

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  • Demagnetizing process and demagnetizer
  • Demagnetizing process and demagnetizer
  • Demagnetizing process and demagnetizer

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Embodiment Construction

[0032] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific examples.

[0033] Such as Figure 1 to Figure 6 As shown, it is a demagnetization process involved in the present invention, including when the ore pulp passes through the demagnetization magnetic field 1 for demagnetization, the magnetically agglomerated materials in the ore pulp are continuously broken up in the demagnetization magnetic field 1 .

[0034] Like this, a kind of demagnetization process and demagnetizer that the present invention relates to, when the ore pulp flows through the demagnetization magnetic field 1, the magnetically agglomerated particles in the ore pulp are subjected to the changing magnetic field, and the magnetic particles are continuously demagnetized, magnetized, and demagnetized. Self remanence is reduced. Since the dispersing operation continues when the pulp passes through the demagnetiz...

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Abstract

The invention discloses a demagnetizing process. The process comprises the step of continuously scattering magnetically agglomerated materials in ore pulp in a demagnetizing magnetic field when the ore pulp is demagnetized through the demagnetizing magnetic field. A demagnetizer comprises a containing cavity, a demagnetizing magnetic field is arranged in the containing cavity, and ore pulp flows through the containing cavity and fills the containing cavity; and a scattering mechanism located in the demagnetizing working range of the demagnetizing magnetic field is arranged in the containing cavity. Scattering is continuously carried out while demagnetizing operation is carried out in the demagnetizing magnetic field, magnetic agglomerated particles can be scattered and separated at the non-magnetic moment, the staying path and staying time of iron ore particles in the demagnetizing magnetic field are prolonged while the dispersing effect is improved, and demagnetizing can be more fully carried out under the effect of the demagnetizing magnetic field.

Description

technical field [0001] The invention relates to the technical field of mineral demagnetization, in particular to a demagnetization process and a demagnetizer. Background technique [0002] In the magnetic separation process of iron ore, iron ore powder is magnetized after passing through the magnetic separator, attracts each other and gathers together to form magnetic agglomeration. This will lead to a larger mass of the particles after magnetic agglomeration, which is not conducive to adsorption by the magnetic separator, resulting in the loss of iron. The particles after magnetic agglomeration wrap impurities in it, which affects the grade of iron ore after magnetic separation. Therefore, in the separation process of strong magnetic materials, demagnetization is an indispensable auxiliary link. [0003] The demagnetization principle is based on the principle that under the action of different external magnetic fields, the magnetic induction intensity B of strong magnetic...

Claims

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Application Information

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IPC IPC(8): H01F13/00
CPCH01F13/006
Inventor 纪礽辉
Owner 纪礽辉
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