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A kind of beneficiation method of high calcium carbonate type fluorite

A beneficiation method and calcium carbonate technology, applied in chemical instruments and methods, flotation, wet separation, etc., can solve the problems of unsatisfactory high-quality fluorite concentrate, low quality, high calcium carbonate content, etc., and achieve improved flotation Effect, guaranteed recovery rate, effect of highlighting substantive features

Active Publication Date: 2019-04-12
洛阳振北工贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When conventional sodium carbonate, water glass, oleic acid, etc. are used for flotation, it is difficult to achieve effective separation of fluorite and calcite, resulting in too high calcium carbonate content in fluorite concentrate and low quality, which cannot meet the requirements of high-quality fluorite. Concentrate needs, for this reason, we propose a beneficiation method of high calcium carbonate fluorite

Method used

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  • A kind of beneficiation method of high calcium carbonate type fluorite

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Effect test

Embodiment 1

[0022] A kind of beneficiation method of high calcium carbonate type fluorite, comprises the following steps:

[0023] S1. Raw material grinding: Grind the raw ore high calcium carbonate fluorite with a grinder until the particle size is less than 0.074mm, accounting for 55%. During the grinding process, the raw ore is washed with water, and the flow rate of the washing water is kept at 120ml / s to obtain the ore pulp. Take out the impurities in the high calcium carbonate type fluorite raw ore to reduce the impact on ore dressing;

[0024] S2, production of coarse ore concentrate: Put the ore slurry obtained in step S1 into the flotation machine, turn on the flotation machine, and then add sodium carbonate, acidified water glass, calcium carbonate inhibitor and collector in sequence, adding The material interval time is 1min, and the flotation is 6.5min to obtain fluorite coarse concentrate;

[0025] S3, five times of beneficiation process: the fluorite coarse concentrate obta...

Embodiment 2

[0029] A kind of beneficiation method of high calcium carbonate type fluorite, comprises the following steps:

[0030] S1. Raw material grinding: Grind the raw ore high calcium carbonate fluorite with a grinder to a particle size below 0.074mm, accounting for 67%. During the grinding process, the raw ore is washed with water, and the flow rate of the washing water is kept at 135ml / s to obtain the ore pulp. Take out the impurities in the high calcium carbonate type fluorite raw ore to reduce the impact on ore dressing;

[0031] S2, production of coarse ore concentrate: Put the ore slurry obtained in step S1 into the flotation machine, turn on the flotation machine, and then add sodium carbonate, acidified water glass, calcium carbonate inhibitor and collector in sequence, adding The material interval time is 1.5min, and the flotation is 7min to obtain fluorite coarse concentrate;

[0032] S3, five times of beneficiation process: the fluorite coarse concentrate obtained in step...

Embodiment 3

[0036] A kind of beneficiation method of high calcium carbonate type fluorite, comprises the following steps:

[0037]S1. Raw material grinding: Grind the raw ore high calcium carbonate fluorite with a grinder until the particle size is below 0.074mm, accounting for 78%. During the grinding process, the raw ore is washed with water, and the flow rate of the washing water is kept at 150ml / s to obtain the ore pulp. Take out the impurities in the high calcium carbonate type fluorite raw ore to reduce the impact on ore dressing;

[0038] S2, production of coarse ore concentrate: Put the ore slurry obtained in step S1 into the flotation machine, turn on the flotation machine, and then add sodium carbonate, acidified water glass, calcium carbonate inhibitor and collector in sequence, adding The material interval time is 2 minutes, and the flotation is 7.5 minutes to obtain fluorite coarse concentrate;

[0039] S3, five times of beneficiation process: the fluorite coarse concentrate...

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Abstract

The invention relates to the technical field of beneficiation, in particular to a beneficiation method for high calcium carbonate type fluorite. The beneficiation method for high calcium carbonate type fluorite comprises the following steps of raw material grinding, rough concentrate preparing, a fifth fine selection process a sixth fine selection process. According to the beneficiation method for high calcium carbonate type fluorite, the heterogeneity of mineral surfaces and the interaction among various agents are utilized to improve the selective inhibition of the agents on calcium carbonate, so that effects of effectively inhibiting calcium carbonate and ensuring the recovery rate of fluorite are achieved; meanwhile by means of acidified water glass, pyrogallic acid, sodium hexametaphosphate, starch and the like, a synergistic effect can be produced, the flotation effect can be improved, and high-quality fluorite concentrate can be obtained; the beneficiation method for high calcium carbonate type fluorite has prominently substantial features and remarkable progress.

Description

technical field [0001] The invention relates to the technical field of beneficiation, in particular to a beneficiation method for high calcium carbonate fluorite. Background technique [0002] Fluorite, commonly known as fluorspar, is mainly composed of calcium fluoride (CaF 2 ). Fluorite in nature often has bright colors, common colors are green, blue, green blue, yellow, wine yellow, purple, violet, taupe, rose red, deep red, etc. Pure fluorite is colorless. Fluorite with high purity can be used as optical material, and fluorite with bright color can be used as raw material for handicrafts. Fluorite is an important raw material in metallurgy, aluminum smelting, glass, ceramics, cement, chemistry and other industrial fields. Its products are widely used in many fields such as aerospace, pharmaceuticals and pesticides, machinery and electronics, air conditioning and refrigeration, anti-corrosion and fire extinguishing, and atomic energy. With the rapid development of ec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B7/00B03D1/018B03D101/06B03D103/04
CPCB03B7/00B03D1/018B03D2201/06B03D2203/04
Inventor 王旭孙建军宋小恒王倩雯
Owner 洛阳振北工贸有限公司
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