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Fluorite beneficiation process

A processing technology, fluorite technology, applied in flotation, solid separation, etc., can solve the problems of complex process and high cost, and achieve the effect of simple process, low cost and high calcium removal efficiency

Inactive Publication Date: 2015-03-04
赣县金磊鑫矿业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fluorite beneficiation processing technology in the prior art has high cost, complicated process, and certain dangers. Therefore, a new technical solution is urgently needed to solve the above technical problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1: A fluorite mineral processing process, the mineral processing process includes the following steps: 1), fluorite calcium removal mineral processing, in this step, a mixture of sulfuric acid and acidic water glass is used as an inhibitor of calcium-containing minerals, and the sulfuric acid and The ratio of acidic water glass is 1:0.3, and the combined dosage is 0.3kg / t raw ore; in this step, oleic acid or its substitutes are used as collectors for roughing, and the beneficiation process has high calcium removal efficiency, simple process, and low cost , can select super-grade fluorspar concentrate with very low calcium carbonate content from high-calcium fluorspar ore;

[0015] 2) Preparation of fluorite flotation agent. In this step, the intermediate product crude fatty acid or mixed fatty acid produced by oleic acid is used as raw material, and concentrated sulfuric acid with a weight of 5% of the fatty acid weight is added to it to cause sulfation reaction...

Embodiment 2

[0018] Example 2: A fluorite mineral processing process, the mineral processing process includes the following steps: 1), fluorite calcium removal mineral processing, in this step, a mixture of sulfuric acid and acidic water glass is used as an inhibitor of calcium-containing minerals, and the sulfuric acid and The ratio of acidic water glass is 1:3, and the combined dosage is 1.8kg / t raw ore; in this step, oleic acid or its substitutes are used as collectors for roughing, and the beneficiation process has high calcium removal efficiency, simple process, and low cost , can select super-grade fluorspar concentrate with very low calcium carbonate content from high-calcium fluorspar ore;

[0019] 2) Preparation of fluorite flotation agent. In this step, the intermediate product crude fatty acid or mixed fatty acid produced by oleic acid is used as raw material, and concentrated sulfuric acid with a weight of 20% of the fatty acid weight is added to it to cause sulfation reaction...

Embodiment 3

[0022] Example 3: A fluorite beneficiation process, the mineral beneficiation process includes the following steps; in step 1), fluorite calcium removal and beneficiation, in this step, a mixture of sulfuric acid and acidic water glass is used as an inhibitor of calcium-containing minerals, the The ratio of sulfuric acid to acidic water glass is 1:0.8, and the combined dosage is 1.2kg / t raw ore; in step 2), the preparation of fluorite flotation agent uses the intermediate product crude fatty acid or mixed fatty acid produced from oleic acid as raw material, It adds the concentrated sulfuric acid whose weight is 12% of fatty acid weight to make it undergo sulfation reaction, and then adds the beneficiation foaming agent whose weight is 1%-2% of fatty acid weight to the reaction product; step 3) in, firefly The composition of stone flotation regulator, in this step, use any acid and corresponding salt in sulfuric acid, hydrochloric acid, nitric acid, acetic acid, the combinatio...

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PUM

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Abstract

The invention relates to a fluorite beneficiation process. The beneficiation process is characterized by comprising the following steps of 1) calcium removal beneficiation of fluorite; 2) preparation of a fluorite floatation agent, wherein an intermediate produce crude fatty acid or mixed fatty acid produced by oleic acid is employed as a raw material, concentrated sulfuric acid in an amount which is 50 to 20 percent based on the weight of the fatty acid is added into the fatty acid to sulfate the fatty acid, and a beneficiation foaming agent in an amount which is 0.4 to 3 percent based on the weight of the fatty acid is added into a reaction product to obtain a product; 3) preparation of a composition of a fluorite floatation regulator, wherein any one of sulfuric acid, hydrochloric acid, nitric acid and acetic acid and corresponding salt are compounded with sodium silicate salt according to a proportion of the acid, the salt corresponding to the acid and the sodium silicate salt of (1-2.5):(1-5):(0.5-3); 4) fluorite floatation, a mixture consisting of acid, alkali and a synergist is employed as a regulator, oleic acid or rubber sodium oleate is employed as a collecting agent, and a process flow is a compound loop for fluorite floatation.

Description

technical field [0001] The invention relates to a processing technology, in particular to a fluorite beneficiation processing technology, which belongs to the technical field of mineral processing. Background technique [0002] Fluorite, also known as fluorspar, is the main source of fluorine in industry and one of the 20 important non-metallic mineral raw materials in the world. It is widely used in metallurgy, aluminum smelting, glass, ceramics, cement, and chemical industries. [0003] Like other minerals, fluorite minerals are generally mined in two ways: open-pit and underground. The shallow part of the ore body is dominated by open-pit mining. Drill rocks manually with steel drill hammers, and transport ore and slag manually. A few use mechanical rock drilling and mechanical transportation. Open-pit mining has low cost, simple equipment and good economic benefits. At present, most township enterprises and mass mining basically adopt this method. The development o...

Claims

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Application Information

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IPC IPC(8): B03D1/00B03D1/012
Inventor 彭金平
Owner 赣县金磊鑫矿业有限公司
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