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Airflow control system for producing spherical graphite and control method thereof

A technology of spherical graphite and airflow control, applied in the direction of graphite, etc., can solve the problems of low production efficiency of spherical graphite, high production cost, complicated structure of airflow control system, etc. Effect

Active Publication Date: 2018-07-20
黑龙江省牡丹江农垦奥宇石墨深加工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to solve the problem that the existing air flow control system for producing spherical graphite has a complex structure, resulting in low production efficiency and high production cost of spherical graphite, and then provides an air flow control system and control method for producing spherical graphite

Method used

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  • Airflow control system for producing spherical graphite and control method thereof
  • Airflow control system for producing spherical graphite and control method thereof
  • Airflow control system for producing spherical graphite and control method thereof

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specific Embodiment approach 1

[0037] Specific implementation mode one: combine Figure 1-Figure 6 Describe this embodiment, an airflow control system for producing spherical graphite in this embodiment, including a material deployment station 1, a silo 2, a quantitative feeder 3, a pulverizer 4, a powder refining unit 5, and a wind resistance System 6, cyclone separator 7, dust collector 8, negative pressure exhaust fan 9, powder spheroidizing unit 10 and spherical graphite collection storehouse 11, the spherical graphite preparation raw materials in the material deployment station 1 are transported through the material elevator 12 In the feed bin 2, the feed bin 2 is communicated with the quantitative feeder 3 through the material conveying pipe 13, and the quantitative feeder 3 quantifies the spherical graphite preparation raw materials in the feed bin 2 and transports them to the pulverizer 4 for pulverization, and the pulverized spherical graphite preparation raw materials are transported to the powder...

specific Embodiment approach 2

[0038] Specific implementation mode two: combination Figure 1-Figure 6 Describe this embodiment, an airflow control system for producing spherical graphite in this embodiment, the powder spheroidization unit 10 includes a primary spheroidizer 19, a secondary spheroidizer 20, and a tertiary spheroidizer 21. The first cyclone separator 22 and the second cyclone separator 23, the material inlet of the first-stage spheroidizer 19 is connected with the discharge port of the cyclone separator 7, and the first-stage spheroidizer 19 passes through the first A spheroidizer air duct 24 is communicated with the feed inlet of the first cyclone separator 22, and the discharge port of the first cyclone separator 22 is communicated with the secondary spheroidizer 20 through the second spheroidizer air duct 25. The secondary spheroidizer 20 is connected to the feed port of the second cyclone separator 23 through the third spheroidizer air duct 26, and the discharge port of the second cyclone...

specific Embodiment approach 3

[0039] Specific implementation mode three: combination Figure 1-Figure 6 Describe this embodiment, a kind of air flow control system for producing spherical graphite in this embodiment, described primary spheroidizing machine 19, secondary spheroidizing machine 20 and tertiary spheroidizing machine 21 are air flow vortex spheroidizing machine.

[0040] Specific implementation mode four: combination Figure 1-Figure 6 Describe this embodiment, a kind of air flow control system for producing spherical graphite in this embodiment, the described choke system 6 comprises box body 28 and the choke wedge 29 that is arranged inside the box body, described box body 28 is a rectangular box, the inner wall structure of the box consists of a steel plate 30, a first microporous plate 31 and a second microporous plate 32, and the first square tube 33 is installed between the steel plate 30 and the first microporous plate 31 to form a second A sound-absorbing layer 34, the second sound-ab...

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Abstract

The invention relates to an airflow control system for producing spherical graphite and a control method thereof, and belongs to the technical field of graphite production. The airflow control systemsolves the problems of complicated structure and low production efficiency of the existing spherical graphite airflow control system. The airflow control system comprises a powder refining machine set, a choke system, a cyclone separator, a dust collector, a negative pressure exhaust fan, a power spheroidization machine set and a spherical graphite collecting library, wherein a feeding opening ofthe cyclone separator is communicated with the powder refining machine set; a discharging opening of the cyclone separator is connected with the power spheroidization machine set; a discharging opening of the power spheroidization machine is communicated with the spherical graphite collecting library; an air inlet is also formed in the cyclone separator; a first air inducing pipe is connected ontothe air inlet of the cyclone separator; a second air inducing pipe is communicated with the power spheroidization machine set; the first air inducing pipe and the second air inducing pipe are converged to form an air inducing pipe; one end of the dust collector is connected with the air inducing pipe; the other end of the dust collector is connected with the negative pressure exhaust fan. The product prepared by the system has the advantages that the particle size distribution is uniform, and the sphericility degree is high.

Description

technical field [0001] The invention relates to an air flow control system for producing spherical graphite, and belongs to the technical field of graphite production. Background technique [0002] Spherical graphite is made of high-quality high-carbon natural flake graphite as raw material, and the surface of graphite is modified by advanced processing technology to produce graphite products with different fineness and elliptical spherical shape. [0003] The main index to measure the quality of spherical graphite [0004] One is the physical performance indicators: including particle size (D50, μm), tap density (g / cm3), specific surface area (m2 / g), moisture (%), fixed carbon (%) [0005] The second is the electrochemical performance indicators: coulombic efficiency (%), charge capacity (mAh / g), cycle life (cycles) [0006] Spherical graphite material has good electrical conductivity, high crystallinity, low cost, high theoretical lithium intercalation capacity, low and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/21
Inventor 陈瑞陈庚韩玉凤陈硕张岩崔广宏王景柱韩玉芝
Owner 黑龙江省牡丹江农垦奥宇石墨深加工有限公司
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