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Method for removing micas in nephelite by using cyclone

A cyclone and nepheline technology, which is applied in the field of removing mica in nepheline by using a cyclone, can solve the problems of high mica content, loss of use value, failure to remove mica, etc., achieve high recovery rate and reduce overgrinding phenomenon , conducive to the effect of separation

Inactive Publication Date: 2012-11-21
广东奥胜新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Nepheline is a good ceramic raw material, which often contains mica, and some of them lose their value because of the high content of mica. At present, there is no method to remove mica from nepheline ore.

Method used

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  • Method for removing micas in nephelite by using cyclone
  • Method for removing micas in nephelite by using cyclone
  • Method for removing micas in nephelite by using cyclone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as figure 1 Shown utilizes cyclone to remove the method for the mica in nepheline, comprises the following steps:

[0039] (1), carry out pretreatment to nepheline raw ore, process ore-forming slurry, ore slurry is made up of nepheline powder, mica powder and water;

[0040] Carry out pretreatment (wet grinding) to nepheline raw ore, comprise the following steps:

[0041] ①. Crushing the nepheline raw ore through a crusher;

[0042] ② Add water after crushing;

[0043] ③. Grinding by ball mill after adding water;

[0044] ④, after grinding, classify by classifier;

[0045] ⑤. Take samples from the fine material outlet of the classifier, sieve through a square hole experimental water sieve to detect the fineness of the mineral powder particles, and use an electron microscope to detect the maximum particle size of the sieve, and adjust the speed and feeding amount of the classifier according to the test results;

[0046] ⑥. The pulp with small ore particle size ...

Embodiment 2

[0066] Such as figure 2 Shown utilizes cyclone to remove the method for the mica in nepheline, comprises the following steps:

[0067] (1), carry out pretreatment to nepheline raw ore, process ore-forming slurry, ore slurry is made up of nepheline powder, mica powder and water;

[0068] Carry out pretreatment (dry grinding) to nepheline raw ore, comprise the following steps:

[0069] ①. Crushing the nepheline raw ore through a crusher;

[0070] ②, after pulverization, it is ground by a ball mill;

[0071] ③. After grinding, it is sent to the classifier through the elevator;

[0072] ④, classifier for grading;

[0073] ⑤. Take samples from the fine material outlet of the classifier, sieve through a square hole experimental water sieve to detect the fineness of the mineral powder particles, and use an electron microscope to detect the maximum particle size of the sieve, and adjust the speed and feeding amount of the classifier according to the test results;

[0074] ⑥. The...

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Abstract

The invention discloses a method for removing micas in nephelite by using a cyclone, which comprises the following steps of: (1) preprocessing a nephelite raw ore into an ore pulp consisting of nephelite powder, mica powder and water; (2) pumping the ore pulp into the cyclone by using a slurry pump; and (3) under the action of the centrifugal force of vortex, throwing spherical nephelite particles to a side wall of the cyclone to ensure that the spherical nephelite particles lose energy and are settled down, and then serve as underflows to flow out from the bottom of the cyclone, wherein the fluid resistance endured by sheet mica particles is greater than that of the spherical nephelite particles to ensure that the sheet mica particles cannot be thrown to the side wall of the cyclone to lose energy and be settled down; the fluid resistance endured by the sheet mica particles during settling down is greater than that of the spherical nephelite particles to ensure that the settling speed is slow; and the sheet mica particles are suspended in solid-phase two-phase flow to serve as an overflow which flows out from the top part of the cyclone under the pressure of a slurry pump. A product processed by the process method has a higher yield compared with the nephelite raw ore, and the mica content in the product is low.

Description

technical field [0001] The invention relates to the technical field of ore removal of impurities, in particular to a method for removing mica in nepheline by using a cyclone. Background technique [0002] Nepheline is a good ceramic raw material, which often contains mica, and some of them lose their value because of the high content of mica. At present, there is no method to remove mica from nepheline ore. Contents of the invention [0003] In order to overcome the deficiencies in the prior art above, the present invention provides a method for utilizing a cyclone to remove mica in nepheline. After the process is processed, the product has a high recovery rate relative to the ore of nepheline, and the mica in the product Low content. [0004] The purpose of the present invention is achieved through the following technical solutions: the method utilizing cyclone to remove the mica in nepheline is characterized in that: comprises the following steps: [0005] (1), carry o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B5/32B03B1/00
Inventor 陆文艺赵廷刚
Owner 广东奥胜新材料有限公司
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