Equipment combination for fine flake graphite flotation technology

A technology of fine flakes and equipment is applied in the field of graphite sorting and equipment combination of fine flake graphite flotation process, which can solve the problems of unfavorable separation of large flakes, low efficiency of flotation machine equipment, low grade of graphite concentrate, etc. To achieve the effect of good flotation effect, high grade and high recovery rate

Inactive Publication Date: 2012-08-29
SHANDONG LAIWU COAL MINING MACHINERY
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  • Abstract
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AI Technical Summary

Problems solved by technology

Using this process to flotation graphite, the final product graphite concentrate has low grade and low recovery rate.
Among the selected main equipment: the ball mill grinds graphite with the impact force between steel balls, which is not conducive to the sorting of large scales; the flotation machine has low efficiency and high energy consumption

Method used

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  • Equipment combination for fine flake graphite flotation technology
  • Equipment combination for fine flake graphite flotation technology

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Embodiment Construction

[0020] After the finely crushed graphite ore (1) is coarsely ground by the rod mill (2) and classified by the hydrocyclone (3), the coarse graphite pulp is returned to the rod mill (2) for regrinding, and the fine graphite pulp is put into flotation Coarse flotation in column I (4), the flotation concentrate flows to regrinder I (5) by itself and enters flotation column II (6) for flotation after regrinding, the flotation of flotation column I (4) Directly enter the flotation column VII (15) for sweeping. The flotation concentrate of the flotation column II (6) and the flotation concentrate of the flotation column VII (15) are swept by the flotation column VIII (16), and the flotation concentrate returns to the rod mill (2), The flotation tailings of the flotation columns VII (15) and VIII (16) directly enter the tailing pool (17). The flotation concentrate of the flotation column II (6) is re-grinded by the re-grinder II (7) and then enters the flotation of the flotation col...

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Abstract

The invention relates to equipment combination for fine flake graphite flotation technology, and belongs to a graphite separation technique. The fine flake graphite flotation technology provided by the invention adopts the scheme as follows: graphite mine arrow coarse grinding arrow classification arrow rougher floatation and two times of scavenging arrow four times of regrinding and five times of concentration for rough concentrate. The equipment combination for fine flake graphite flotation technology adopts the scheme as follows: the main equipment comprises a rod mill, a hydrocyclone, flotation columns I,II,III,IV,IV,V,VI,VIIand VIII, and regrind mills I,II,III and IV. The equipment combination has the following benefits: 1) the regrind mills are adopted as regrind equipment so that the efficiency is high and the energy consumption is low; 2) the flotation columns are adopted as flotation equipment so that the efficiency is high, the energy consumption is low and the floatation effect is good; and 3) the graphite concentrate as the final product is high in grade and high in recovery rate.

Description

Technical field [0001] The invention relates to an equipment combination for fine flake graphite flotation technology, which belongs to graphite separation technology. Background technique [0002] Graphite is a very important non-metallic mineral material. It has excellent properties such as high temperature resistance, thermal shock resistance, high chemical stability, thermal conductivity and lubricity, so it is widely used in machinery, metallurgy, refractory materials, chemical industry, aviation, etc. Aerospace and other industrial sectors. With the development of science and technology, graphite consumption is increasing worldwide, and people are no longer satisfied with the demand for large flake graphite, and the development and utilization of fine flake graphite are being paid attention to. [0003] At present, there are three methods for the separation of fine flake graphite in China: electric separation, gravity separation, and flotation. [0004] Electric sepa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B7/00
Inventor 梁吉军张伦明郇恒现周宝花谷增成李兆斌李瑛谭燕华朱从军史晓晖刘同祥于洪武亓玉
Owner SHANDONG LAIWU COAL MINING MACHINERY
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