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A system and method for cyclic processing of spherical graphite tailings

A technology of circular processing and spherical graphite, which is applied in the direction of graphite, chemical instruments and methods, carbon compounds, etc., can solve the problems of waste of graphite resources, achieve the effect of reducing enterprise costs and improving resource utilization

Active Publication Date: 2022-04-15
黑龙江省宝泉岭农垦溢祥新能源材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the aforementioned problems cannot be solved well, it will be a great waste of graphite resources

Method used

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  • A system and method for cyclic processing of spherical graphite tailings

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Experimental program
Comparison scheme
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Embodiment 1

[0030] like figure 1 As shown, this embodiment provides a circular processing system for spherical graphite tailings, including: 7-level processing devices, purification devices and drying devices; wherein, among the 7-level processing devices, the first-level processing devices include sequentially connected mills 1. Bag filter 2 and blower 3; processing devices from stage 2 to stage 5 include sequentially connected mill 1, classifier 4, cyclone separator 5, bag filter 2 and blower 3; stage 6 The processing device includes cyclone separator 5, bag filter 2 and fan 3 connected in sequence; the seventh-level processing device includes bag filter 2 and fan 3; the connection mode between adjacent two-stage processing devices is: The outlet of the bag filter 5 of the 1st to 4th processing device is connected to the feed port of the mill 1 of the next processing device, and the outlet of the bag filter 2 of the 5th processing device is connected to the 6th processing The cyclone s...

Embodiment 2

[0032] The present embodiment provides a kind of circular processing method of spherical graphite tailings, is to adopt the processing system of embodiment 1, comprises the following steps:

[0033] (1) Put the spherical graphite tailings into the mill of the first-stage processing device for grinding, and the powder and abrasive materials are collected by the bag filter, wherein the mill speed is 3200rpm, and the pulse interval of the bag filter is 15s. The blow time is 80μs.

[0034] (2) Put the powder collected by the bag filter of the first-level processing device into the mill of the second-level processing device for grinding treatment, and then enter the classifier for sieving, the fine powder is collected, and the coarse powder is sequentially Enter the cyclone separator and bag filter for collection; the coarse powder collected in the second-stage bag filter is then sequentially entered into the third-level processing device to the fifth-level processing device for th...

Embodiment 3

[0042] The present embodiment provides a kind of circular processing method of spherical graphite tailings, is to adopt the processing system of embodiment 1, comprises the following steps:

[0043] (1) Put the spherical graphite tailings into the mill of the first-stage processing device for grinding, and the powder and abrasive materials are collected by the bag filter, wherein the mill speed is 3600rpm, and the pulse interval of the bag filter is 15s. The blow time is 80μs.

[0044] (2) Put the powder collected by the bag filter of the first-level processing device into the mill of the second-level processing device for grinding treatment, and then enter the classifier for sieving, the fine powder is collected, and the coarse powder is sequentially Enter the cyclone separator and bag filter for collection; the coarse powder collected in the second-stage bag filter is then sequentially entered into the third-level processing device to the fifth-level processing device for th...

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Abstract

The invention provides a system and method for circularly processing spherical graphite tailings, the system comprising: N-level processing devices, purification devices and drying devices; wherein, among the N-level processing devices, the first-level processing devices include sequentially connected mills , bag filter and fan; the 2nd to N‑2 processing units include sequentially connected mills, classifiers, cyclones, bag filters and fans; N‑1 processing devices include sequential Secondary connection of cyclone separator, bag filter and fan; N-stage processing device includes bag filter and fan; classifier fine powder outlet from stage 2 processing device to N-2 processing device and N- The outlet of the cyclone separator of the first-stage processing device is respectively connected to the purification device, and the purification device is connected to the drying device. The preparation method includes: multistage grinding and classification treatment; purification treatment; drying treatment. On the one hand, the invention can realize the recovery and utilization of spherical graphite tailings, and on the other hand, can obtain high-quality spherical graphite products with a recovery rate as high as 58 percent.

Description

technical field [0001] The invention belongs to the technical field of graphite production and processing, and in particular relates to a system and method for circular processing of spherical graphite tailings. Background technique [0002] Utilizing the excellent physical properties of natural graphite such as high temperature resistance, thermal shock resistance, electrical conductivity, heat transfer, lubrication and sealing, various graphite functional materials can be prepared, such as refractory materials, conductive materials, thermal conductive materials, high temperature resistant lubricants, conductive inks, sealing materials, etc. materials, antistatic rubber and plastics, gasoline explosion-proof agent, high-voltage cable protective layer, anti-corrosion materials, anti-corrosion coatings and anti-radiation materials, etc., are widely used in metallurgy, chemical industry, machinery, nuclear industry, electronics, aerospace and national defense and other industri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B32/215C01B32/21
CPCC01B32/215C01B32/21
Inventor 赵亮陈新江
Owner 黑龙江省宝泉岭农垦溢祥新能源材料有限公司