Single-surface tooth plate medium, double-surface tooth plate medium, tooth plate medium box and flat ring high-intensity magnetic separator

A technology of double-sided teeth and single-sided teeth, which is applied in the direction of high-gradient magnetic separators, can solve the problems of easy wear and deformation of tooth tip of tooth plate medium, limited depth of magnetic force, and change of magnetic field characteristics of magnetic medium, etc. The effect of stability, large depth of magnetic force, and expanded application range

Pending Publication Date: 2019-02-15
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the flat-ring strong magnetic separator has achieved certain results in the separation of weakly magnetic minerals, due to the refractory characteristics of weakly magnetic minerals, the recovery efficiency of fine-grained weakly magnetic minerals is still low on the whole. There are two disadvantages: one is that the tooth tip of the conventional tooth plate medium is easy to be magnetized and saturated, and the high field strength is mainly concentrated in the sharp corner of the medium, and the depth of magnetic force is limited; the other is that the tooth tip of the tooth plate medium is easy to wear and deform, and the magnetic The magnetic field characteristics of the medium change, resulting in instability of the sorting index

Method used

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  • Single-surface tooth plate medium, double-surface tooth plate medium, tooth plate medium box and flat ring high-intensity magnetic separator
  • Single-surface tooth plate medium, double-surface tooth plate medium, tooth plate medium box and flat ring high-intensity magnetic separator
  • Single-surface tooth plate medium, double-surface tooth plate medium, tooth plate medium box and flat ring high-intensity magnetic separator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as image 3 As shown, the single-sided toothed plate medium in this embodiment includes a base body 1 and a tooth tip 2 disposed on one side of the base body 1, and the tooth tip 2 is semi-elliptical.

[0039] Such as Figure 4 As shown, the double-sided tooth plate medium in this embodiment includes a base body 1 and tooth tips 2 on both sides of the base body 1 , and the tooth tips 2 on both sides of the base body 1 are semi-elliptical.

[0040] In this embodiment, the distance between two adjacent tooth tips 2 on the same side is 1 cm, the ratio of the major and minor axes of the ellipse is 2:1, the thickness h of the base 1 is 2 cm, the length k of the base 1 is 12 cm, and the semi-ellipse The area is 0.5cm 2 .

[0041] This embodiment also provides a toothed plate medium box, including a non-magnetically conductive panel, two of the above-mentioned single-sided toothed plate media and a plurality of (the number varies according to demand) the above-mentioned ...

Embodiment 2

[0045] Such as image 3 As shown, the single-sided toothed plate medium in this embodiment includes a base body 1 and a tooth tip 2 disposed on one side of the base body 1, and the tooth tip 2 is semi-elliptical.

[0046] Such as Figure 6 As mentioned above, the double-sided tooth plate medium in this embodiment includes a base body 1 and tooth tips 2 arranged on both sides of the base body 1. The tooth tip 2 on one side of the base body 1 is semi-elliptical, and the tooth tip 2 on the other side is half-elliptical. diamond.

[0047] In this embodiment, the distance between two adjacent tooth tips 2 on the same side is 1 cm, the ratio of the major and minor axes of the ellipse is 2:1, the thickness h of the base 1 is 2 cm, and the length k of the base 1 is 12 cm. The area of ​​a half rhombus is 0.5 cm 2 .

[0048] This embodiment also provides a tooth plate medium box, including a non-magnetically conductive panel, a single-sided tooth plate medium, a conventional single-...

Embodiment 3

[0053] The single-sided toothed plate medium, double-sided toothed plate medium, toothed plate medium box and flat ring strong magnetic separator in this embodiment are all the same as in Example 1, the difference lies in the single-sided toothed plate medium and the double-sided toothed plate medium The distance between two adjacent tooth tips 2 on the same side is 0cm (respectively as Figure 9 , Figure 10 shown).

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Abstract

The invention discloses a single-surface tooth plate medium. The single-surface tooth plate medium comprises a basal body, and a tooth tip arranged on one side of the basal body; and the tooth tip issemi-elliptical. The invention further discloses a double-surface tooth plate medium; and the double-surface tooth plate medium comprises a basal body, and tooth tips arranged on two sides of the basal body; and the tooth tip on at least one side is semi-elliptical. The invention further correspondingly discloses a tooth plate medium box, and a flat ring high-intensity magnetic separator comprising the tooth plate medium box. The single-surface tooth plate medium and the double-surface tooth plate medium both comprise the semi-elliptical tooth tips; the semi-elliptical tooth tips achieve a high magnetic gathering effect, and have the characteristics of difficult magnetizing saturation, difficult wear and high magnetic effect depth, so that the sorting efficiency of weak-magnetism mineralscan be further improved, and the recovery rate of fine-particle weak-magnetism minerals is increased; and the semi-elliptical tooth tips are difficultly worn and deformed, so that the problem of instable production caused by wear of conventional tooth plate medium sharp angles can be solved.

Description

technical field [0001] The invention belongs to the field of mineral processing equipment, and in particular relates to a tooth plate medium, a tooth plate medium box and a magnetic separator. Background technique [0002] Weak magnetic mineral resources mainly include hematite, limonite, siderite, ilmenite, wolframite, manganese ore and tantalum-niobium rare earth ore. These weakly magnetic mineral raw materials have played an important role in my country's economic development. Strong magnetic separation or high gradient magnetic separation is an effective means of processing and utilizing weak magnetic minerals, which has the characteristics of good selectivity, low energy consumption and environmental friendliness. At present, the weak magnetic mineral separation equipment used in industry mainly includes flat ring strong magnetic separator and vertical ring pulsating high gradient magnetic separator. Although the vertical ring pulsating high gradient magnetic separato...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/033
CPCB03C1/033
Inventor 郑霞裕王毓华卢东方
Owner CENT SOUTH UNIV
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