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Treatment method of mixed low-grade collophanite

A treatment method and collophosite technology, which is applied in the field of mixed low-grade collophosite treatment, can solve the problems of low industrial utilization, high cost, and complicated treatment process, so as to reduce the loss of chemicals, reduce the content, and process The effect of simple process

Pending Publication Date: 2021-06-25
YUNNAN PHOSPHATE CHEM GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a processing method for mixed low-grade collophanite, which solves the problem of low industrial utilization rate of existing low-grade collophanite due to complicated processing technology and high cost

Method used

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  • Treatment method of mixed low-grade collophanite
  • Treatment method of mixed low-grade collophanite
  • Treatment method of mixed low-grade collophanite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The mixed low-grade collophanite stored in a certain place in Yunnan was used as the raw ore for the experiment, and the raw ore P 2 o 5 The content is 17.02%. The raw ore is added to the ore washing machine to fully scrub, and then sent to the vibrating screen for screening. The particle size under the screen enters the two-stage cyclone for desliming operation. Combined into processed concentrate. Carry out ore blending operation with the processed concentrate and higher grade collophanite. Grinding in the ball mill, the particle size of the grinding product is controlled at -0.074mm, accounting for about 90%, the grinding product is adjusted to a concentration of 25%, and then pumped into the flotation machine for reverse flotation to remove magnesium The consumption is: sulfuric acid consumption 19.1kg / t, phosphoric acid consumption 1.43kg / t, YP6-6 consumption 0.71kg / t. The indicators in the experiment are shown in Table 1

[0021] Table 1

[0022] na...

Embodiment 2

[0025] The mixed low-grade collophanite stored in a certain place in Yunnan was used as the raw ore for the experiment, and the raw ore P 2 o 5 The content is 16.8%. Put the raw ore into the ore washing machine to fully scrub, and then send it to the vibrating screen for screening. The particle size under the screen enters the two-stage cyclone for desliming operation. Combined into processed concentrate. Carry out the ore blending operation with the processed concentrate and higher-grade collophanite, the mass ratio of ore blending is the processed concentrate / (treated concentrate+higher-grade collophanite)=15%, and then give Grinding in the ball mill, the particle size of the grinding product is controlled at -0.074mm, accounting for about 90%, the grinding product is adjusted to a concentration of 25%, and then pumped into the flotation machine for reverse flotation to remove magnesium The consumption is: sulfuric acid consumption 18.7kg / t, phosphoric acid consumption 2.1...

Embodiment 3

[0031] The mixed low-grade collophanite stored in a certain place in Yunnan was used as the raw ore for the experiment, and the raw ore P 2 o 5 The content is 16.8%. Put the raw ore into the ore washing machine to fully scrub, and then send it to the vibrating screen for screening. The particle size under the screen enters the two-stage cyclone for desliming operation. Combined into processed concentrate. Carry out the ore blending operation with the processed concentrate and higher-grade collophanite, the mass ratio of ore blending is the processed concentrate / (treated concentrate+higher-grade collophanite)=10%, and then give Grinding in the ball mill, the particle size of the grinding product is controlled at -0.074mm, accounting for about 90%, the grinding product is adjusted to a concentration of 25%, and then pumped into the flotation machine for reverse flotation to remove magnesium The consumption is: sulfuric acid consumption 17.5kg / t, phosphoric acid consumption 1.8...

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Abstract

The invention discloses a treatment method of mixed low-grade collophanite, and relates to the technical field of collophanite processing. The mixed low-grade collophanite is subjected to ore washing, screening and grading, slime containing a large amount of Fe and Al oxide is removed, the loss of the slime to agents in the flotation process is greatly reduced, meanwhile, the content of Fe and Al in phosphate concentrate is reduced, and the adverse effect of Fe and Al on downstream phosphorus chemical processing is avoided. Then the treated concentrate and high-grade collophanite are subjected to ore blending in proportion and then subjected to reverse flotation, and phosphate concentrate with the high technical index is obtained. By means of the method, industrial utilization of the mixed low-grade collophanite is effectively achieved, the technological process is simple, existing flotation equipment is adopted, the investment is low, the production cost is low, and economic benefits are high.

Description

technical field [0001] The invention relates to the technical field of collophosite processing, in particular to a processing method for mixed low-grade collophanite. Background technique [0002] Phosphate rock is an important chemical raw material, which can be used in phosphate fertilizer, medicine, food, ceramics, national defense and other industries. With the development of the national economy, the demand for phosphate rock is increasing, and there are fewer and fewer high-grade phosphate rock resources. Phosphate rock resources are showing a trend of gradual depletion. It is difficult to meet the needs only by mining rich ore. The development and utilization of low-grade collophanite is imminent. Mixed low-grade collophosite refers to P 2 o 5 The content of gangue minerals is less than 20%, and the gangue minerals are mainly a mixture of siliceous minerals and carbonate minerals. 2 o 3 and Fe 2 o 3 The sum of the grades is greater than 5%, and the ore dressing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B9/00
CPCB03B9/00
Inventor 刘润哲刘朝竹魏立军刘丽芬张朝旺戴川罗昆义李若兰彭立群张树洪李宁邓桂菊吕兰
Owner YUNNAN PHOSPHATE CHEM GROUP CORP