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A method of sorting monomineral garnet from eclogite

A technology of garnet and single mineral, which is applied in the field of sorting single mineral garnet, which can solve the problems of difficult cleaning, easy cross-contamination, and incomplete collection of materials, and achieves the effect of stable quality and high precision

Active Publication Date: 2020-07-24
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The ore color sorter disclosed in the prior art is generally used to process large-grained material particles (above the millimeter level), and it is difficult to clean, easy to cross-contaminate, and the material cannot be completely collected, so it cannot be applied to single mineral separation.

Method used

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  • A method of sorting monomineral garnet from eclogite
  • A method of sorting monomineral garnet from eclogite
  • A method of sorting monomineral garnet from eclogite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0105] The structural diagram of the distributing device of the present embodiment is as follows:figure 1 with 2 As shown, the distributing device includes a first hopper 13 , a vibrating device 16 and a collecting hopper 17 . The first hopper 13 is arranged on the top of the vibrating device 16, the perforated plate 2 is arranged between the vibrating device 16 and the first hopper 13, the vibrating device 16 is detachably and fixedly connected with the perforated plate 2, and the collecting hopper 17 is arranged under the vibrating device 16, Used to collect the ore material falling from the perforated plate 2.

[0106] Three layers of sieve plates 1301 are placed inside the first hopper 13 , and the sieve plates 1301 are used to screen the mineral material falling from the first hopper 13 , and the three sieve plates 1301 are all perpendicular to the central axis of the first hopper 13 . Different sieve plates 1301 have different mesh numbers, and the mesh numbers of the s...

Embodiment 2

[0135] The sieve plate 1301, the photoelectric sensor 1302 and the controller 1303 are not provided in the first hopper 13 of the color sorting device used for single mineral separation in this embodiment, and the vibration of the inclined perforated plate 2 and the movement of the scraper 14 make redundant The ore particles fall into the collecting hopper 17.

[0136] Other structures of the color sorting device in this embodiment are the same as those of the color sorting device in Embodiment 1.

Embodiment 3

[0138] The distributing device of the color sorting device used for single mineral separation in this embodiment includes a first hopper 13 and a second hopper 19, no sieve plate is set in the second hopper 19, and the second hopper 19 is arranged beside the first hopper 13 The bottom of the collecting hopper 17 is connected to the top inlet of the second hopper 19 through a negative pressure air path, and when the vacancy rate of the perforated plate 2 is greater than a preset value, the ore falling into the collecting hopper 17 is recovered to the second hopper 19 for re-use. Sow on the perforated plate 2. When in use, manually move the vibrating device and the perforated plate 2 below the second hopper 19, and wait for the second sowing.

[0139] Other structures of the color sorting device in this embodiment are the same as those of the color sorting device in Embodiment 1.

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Abstract

The invention relates to a method for separating monomineral garnet from eclogite. The method comprises the steps of (a) smashing; (b) screening; (c) judgement for the particle size range for monomineral separation; (d) gravity separation by a shaking table; (e) magnetic separation; (f) color separation. The color separation step is completed by a color separation device. The color separation device comprises one or more porous plates, a vibration device and a mineral collection device. The porous plates are arranged at the top of the vibration device and vibrate with the vibration device, sothat each mineral particle of mineral aggregate is placed in each hole of the porous plates; the mineral collection device sucks the mineral particles from the holes of the porous plates through negative pressure. The color separation device is used for finely separating and purifying the eclogite mineral, compared with traditional manual separation by a microscope, the separation purity and working efficiency are improved, the manual errors are reduced, and finally the purity of the garnet can reach 99% or above.

Description

technical field [0001] The invention relates to the technical field of mineral separation, in particular to a method for separating single mineral garnet from eclogite. Background technique [0002] Eclogite is a kind of metamorphic rock, formed by regional metamorphism, generally dark, coarse-grained and unequal-grained metamorphic structure, massive structure, large specific gravity, and produced in the form of massive or layered bodies. Garnet is one of the main minerals of eclogite-type deposits. The composition of garnet has important indication significance for the oxidation-reduction conditions, pH and flow direction of hydrothermal fluids of ore-forming fluids, and garnet is Eclogite or garnet-bearing high-grade metamorphic rocks are the most important minerals for Sm-Nd isotope dating. Therefore, it is necessary to study the method of sorting single mineral garnet from eclogite. [0003] The main mineral composition of eclogite is garnet and omphacite, the secondar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B7/00
CPCB03B7/00
Inventor 张丹萍
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI