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Collophanite ore beneficiation method

A mineral processing method, collophosite technology, applied in chemical instruments and methods, wet separation, solid separation, etc., can solve the problems of high production cost, poor mineral processing effect, complicated process, etc., and achieve saving of usage, flotation The effect of low cost and simple operation

Inactive Publication Date: 2017-11-03
GUIZHOU CHANHEN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problems to be solved by the present invention are: the existing collophosite mineral processing method has complicated process, high production cost, poor mineral processing effect, etc.

Method used

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  • Collophanite ore beneficiation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1 adopts the method of the present invention to flotation collophosite

[0045] The colloidite used in Example 1 is selected from the comprehensive ore sample 1 of siliceous-calcium phosphate rock in a mining area in Fuquan, Guizhou, and its main chemical composition is shown in Table 1 below:

[0046] Table 1 Collophosite composition list

[0047] Indicator name

P 2 o 5

Fe 2 o 3

al 2 o 3

SiO 2

MgO

content(%)

27.93

1.89

2.95

13.51

1.68

[0048] Adopt the inventive method to carry out beneficiation, concrete operating process is as follows:

[0049] Grinding collophosin to a fineness of less than 74 μm accounts for 35%, sieving and classifying with a 250 μm sieve and a 74 μm sieve, and performing flotation at a particle size of -74 μm to obtain concentrate 2, and a particle size of -250 μm+74 μm is concentrate 1. Concentrate 1 and concentrate 2 are combined into a qualified concentrate, an...

Embodiment 2

[0057] Embodiment 2 adopts the method of the present invention to flotation collophosite

[0058] The main chemical composition of the comprehensive sample 2 of silicon-calcium phosphate rock in a mining area in Weng'an, Guizhou is shown in Table 3 below.

[0059] Table 3 Collophosite composition list

[0060] Indicator name

P 2 o 5

Fe 2 o 3

Al 2 o 3

SiO 2

MgO

content(%)

25.88

1.64

3.57

19.72

1.98

[0061] The process is as follows: Grinding to a fineness of -74μm accounts for 38%, using 250μm sieves and 74μm sieves for sieving and classification, and -74μm particle size for flotation to obtain concentrate 2, -250μm+74μm particle size is concentrate 1, concentrate The ore 1 and the concentrate 2 are combined into a qualified concentrate, and the +250μm particle size is returned to the grinding for re-grinding.

[0062] Agents and dosages used in fine-grained flotation: tall oil soap 1.2-2.5kg / t. raw ore, s...

Embodiment 3

[0068] Embodiment 3 adopts the method of the present invention to flotation collophosite

[0069] The main chemical composition of the comprehensive sample 3 of silicon-calcium phosphate rock in a mining area in Weng'an, Guizhou is shown in Table 5 below:

[0070] Table 5 Colloidal composition list

[0071] Indicator name

P 2 o 5

Fe 2 o 3

Al 2 o 3

SiO 2

MgO

content(%)

23.67

1.38

3.23

25.72

1.74

[0072] The process is as follows: Grinding to a fineness of -74μm accounts for 42%, using 250μm sieves and 74μm sieves for sieving and classification, and -74μm particle size for flotation to obtain concentrate 2, -250μm+74μm particle size is concentrate 1, concentrate The ore 1 and the concentrate 2 are combined into a qualified concentrate, and the +250μm particle size is returned to the grinding for re-grinding.

[0073] Agents and dosages used in fine-grained flotation: tall oil soap 1.2-2.5kg / t. raw ore, sodi...

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Abstract

The invention belongs to the technical field of ore beneficiation, relates to a collophanite ore beneficiation method, and aims to solve the problems that a conventional collophanite ore beneficiation method is complex in process, high in production cost and poor in the collophanite ore beneficiation effect. The collophanite ore beneficiation method comprises the following steps: pulping collophanite ore to obtain collophanite ore pulp, performing classification on the collophanite ore pulp, performing flotation on the fine-grained ore pulp and performing solid-liquid separation on the concentrate ore pulp. The collophanite ore beneficiation method has the benefits as follows: by mainly controlling the grinding size of the collophanite ore, separating the coarse-grained ore pulp from the fine-grained ore pulp and performing flotation treatment on the fine-grained ore pulp instead of the coarse-grained ore pulp, the dosage of a flotation reagent is reduced, the flotation processes are reduced, and the flotation cost is lower; besides, the operation is simple, the equipment requirement is low, and the popularization and application are facilitated.

Description

technical field [0001] The invention belongs to the technical field of mineral processing, and in particular relates to a collophosite mineral processing method. Background technique [0002] With the rapid development of my country's phosphate fertilizer industry, the mining volume of phosphate rock has increased sharply, and rich ore resources have become increasingly scarce. my country will enter the era of large-scale development and utilization of low-grade phosphate rock. Medium and low-grade phosphate rock can be divided into carbonate phosphate rock and silicate phosphate rock according to different gangue types. The beneficiation process of carbonate phosphate rock is mature. Generally, phosphoric acid or sulfuric acid is used as an inhibitor, saturated fatty acid soap is used as a collector, and a reverse separation process is used for beneficiation. [0003] Silicate-type phosphate rocks are mostly colloidal phosphate rocks, with fine particles of useful minerals...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B7/00B03B9/00
CPCB03B7/00B03B9/00
Inventor 王佳才石建华朱军吴海斌温长明王强姚汉景杨烽
Owner GUIZHOU CHANHEN CHEM CO LTD
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