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Iron mineral liquid magnetized separating vibrating screen system, liquid magnetized separating device and separating method

A sorting device and iron ore technology, applied in chemical instruments and methods, magnetic separation, filtering and screening, etc., can solve the problems of hematite over-grinding and increase the difficulty of process sorting, so as to reduce inclusions and achieve selectivity Effect of separation and improvement of concentrate quality

Active Publication Date: 2015-07-15
ZHENGZHOU MINERALS COMPOSITIVE UTILIZATION RES INST CHINESE GEOLOGICAL ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Conventional magnetite and hematite separation processes generally go through weak magnetic separation and strong magnetic separation, that is, the strong magnetic mineral magnetite is first selected, and then the weak magnetic iron minerals are separated. The finer magnetite is easy to cause over-grinding of hematite during the magnetite separation process, thus increasing the difficulty of separation in the subsequent process

Method used

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  • Iron mineral liquid magnetized separating vibrating screen system, liquid magnetized separating device and separating method
  • Iron mineral liquid magnetized separating vibrating screen system, liquid magnetized separating device and separating method
  • Iron mineral liquid magnetized separating vibrating screen system, liquid magnetized separating device and separating method

Examples

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Embodiment 1

[0031] Example 1: see Figure 1-Figure 4 , A vibrating screen system for iron mineral liquid magnetization sorting, comprising a screen system fixed frame 101 and an array of screen unit 102 arranged in a horizontally inclined stack arranged in the screen system fixed frame 101, the screen unit 102 includes The sieve plate 103, a plurality of middle ore diversion ribs 104 and screens 106 which are arranged vertically arranged on one side of the sieve plate 103 and opened in a figure eight shape. The screens 106 are pressed by groove-shaped bead 105. The outer end of the middle mine guide bar 104 is fixed by screws. The outer end of the middle mine guide bar 105 intersects the outer edge of the sieve plate 103. The other sieve plate 103 corresponding to the screen 106 The two longitudinal edges of the side are provided with longitudinal ribs 107, and the longitudinal ribs 107 of the adjacent two screen units 102 and the groove-shaped bead 105 are matched and connected in a snap-f...

Embodiment 2

[0035] Example 2: see Figure 1-Figure 9 , A liquid magnetization separation device using the vibrating screen system described in Embodiment 1, comprising a support frame 2, a vibrating screen system 1 matched and placed in the support frame 2, and a vibrating screen fixed on the support frame 2 and correspondingly provided It is the magnetized magnetic system on both sides. The support frame 2 is a cylindrical structure with an open top, bottom and sides. The bottom section of the support frame 2 gradually shrinks. The top of the support frame 2 is provided with a vibrating screen system. 1 Corresponding feeding mechanism, the lower part of the support frame 2 is provided with a concentrate bin and a middle ore bin corresponding to the vibrating screen system 1, and the bottom of the concentrate bin and the middle ore bin are respectively provided with a concentrate discharge port 202 and a middle ore discharge Port 201, the magnetized magnetic system includes two planar magne...

Embodiment 3

[0038] Example three: see Figure 1-Figure 6 , Picture 10 , Picture 11 The structure of this embodiment is basically the same as that of the second embodiment, and the similarities will not be repeated. The difference is that a plurality of sorting units of the vibrating screen system 1 are arranged in the support frame, and there are The sorting units are independent of each other. The lower and upper parts of each sorting unit are provided with a concentrate bin, a middle ore bin and a feeding mechanism that match the vibrating screen system, thereby increasing its sorting efficiency.

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Abstract

The invention belongs to the technical field of upgrading of iron mineral. According to an iron mineral liquid magnetizing separating vibrating screen system, a liquid magnetized separating device and a separating method, fine-sized magnetite which is relatively low in content is taken as a carrier; by virtue of an external uniform high-intensity magnetic field, the weakly magnetic iron mineral is magnetized to form a clustered aggregate; the aggregate slides down along an inclined vibrating screen surface in a liquid environment; and gangue mineral passes through the screen under the vibration and the self weight of the screen body, so that the over-grinding of the iron mineral is avoided, impurity inclusion possibility of a conventional strong magnetic separation process is reduced, the concentrate quality is improved and the iron mineral can be separated from the gangue mineral.

Description

Technical field [0001] The invention belongs to the technical field of upgrading iron minerals, and specifically relates to a vibrating screen system, a sorting device and a method for liquid magnetization sorting of iron minerals. Background technique [0002] The conventional separation process of magnetite and hematite generally involves weak magnetic separation and strong magnetic separation, that is, first the strong magnetic mineral magnetite is separated, and then the weak magnetic iron minerals are separated. The finer magnetite is likely to cause over-grinding of hematite during the separation of magnetite, thereby increasing the difficulty of the subsequent process of separation. Summary of the invention [0003] The purpose of the present invention is to solve the above-mentioned problems and deficiencies and provide a vibrating screen system, a sorting device and a method for separating iron minerals in liquid state by magnetizing the iron minerals to form aggregates. ...

Claims

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Application Information

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IPC IPC(8): B03C1/30B07B1/28B07B1/46
Inventor 于岸洲冯安生郭珍旭王建业
Owner ZHENGZHOU MINERALS COMPOSITIVE UTILIZATION RES INST CHINESE GEOLOGICAL ACAD
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