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Method and system capable of enabling cassiterite to be separated from pyrrhotite

A pyrrhotite and separation device technology, which is applied in the field of mineral processing, can solve the problems of reducing the grade and recovery rate of tin concentrate, and cannot completely remove pyrrhotite, and achieves low production cost, simple structure, improved grade and recovery rate effect

Inactive Publication Date: 2015-06-17
JIANGXI RARE EARTH & RARE METALS TUNGSTEN GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using flotation and wet magnetic separators, pyrrhotite cannot be completely removed, and pyrrhotite can still be squeezed into tin concentrate during shaker separation, thereby reducing the grade and recovery rate of tin concentrate

Method used

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  • Method and system capable of enabling cassiterite to be separated from pyrrhotite
  • Method and system capable of enabling cassiterite to be separated from pyrrhotite
  • Method and system capable of enabling cassiterite to be separated from pyrrhotite

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Embodiment Construction

[0039] in the attached figure 1 In the shown embodiment, the reference numeral 1 represents the head of the shaker, the reference numeral 2 represents the feed tank, the reference numeral 3 represents the bed bar of the shaker, the reference numeral 4 represents the water supply tank, and the reference numeral 5 represents the stainless steel box , Reference numeral 6 represents a permanent magnet block.

[0040] According to the present invention, the device capable of separating cassiterite and pyrrhotite is suspended above the shaker bed surface, at a position 300-400mm away from the concentrate end, the suspension height is 20-30mm higher than the flushing water of the shaker, and the suspension direction is the same as The direction of incoming material is vertical, and the length of the separation device for cassiterite and pyrrhotite completely covers the width of the slurry on the shaker surface, which acts as an intercepting net in the air.

[0041] When the shaking ...

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Abstract

The invention discloses a method capable of enabling cassiterite to be separated from pyrrhotite. The method is characterized in that a separation device is hung above the surface of a shaking table, a hanging direction is perpendicular to a material supply direction, and the length completely covers the ore pulp width of the surface of the shaking table; after the shaking table normally works, ore pulp enters an ore feeding groove and is spread on the surface of the shaking table; a water feeding groove discharges flushing water; when the pyrrhotite passes through a lower part of the separation device, the partial pyrrhotite is attracted by permanent magnetic blocks in the separation device due to magnetic property and adsorbed at the bottom of each stainless steel box, the rest part is pulled to the surface of the ore pulp due to attraction of the permanent magnetic blocks in the separation device, and the pyrrhotite passes over table strips of the shaking table and reaches a tailing region under the action of the flushing water in the water feeding groove, so that the cassiterite is radically separated from the pyrrhotite. The method can radically prevent the pyrrhotite from being crowded in tin concentrates, thereby improving the grade of the tin concentrates and increasing the recovery rate of the tin concentrates; moreover, a system does not need any power and is simple in structure, safe, reliable, convenient to operate and low in manufacturing cost.

Description

technical field [0001] The invention relates to a method and a system capable of separating cassiterite and pyrrhotite, belonging to the technical field of mineral processing. Background technique [0002] At present, in the concentrator, the valuable mineral that can be recovered from tin concentrate is cassiterite, and cassiterite is mostly recovered by shaking table. [0003] The principle of shaking table recycling is to use the large specific gravity difference between recycled minerals and non-recycled minerals. Among them, the minerals with larger specific gravity settle first in the bed grooves at the bottom of the shaker bed, and are transported to the concentrate area with the differential motion of the head of the shaker; while the minerals with lighter specific gravity and coarser particles are deposited in the The surface of the shaker bed is washed by the horizontal flushing water in the shaker feed tank, crosses the shaker bed bar, and flows to the tailings a...

Claims

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Application Information

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IPC IPC(8): B03C1/02B03B5/04B03B7/00
Inventor 魏宁
Owner JIANGXI RARE EARTH & RARE METALS TUNGSTEN GRP
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