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Complete device and method of preparing graphene by jet flow

A complete set of devices, graphene technology, applied in graphene, chemical instruments and methods, nano-carbon and other directions, can solve the problems of increased production cycle and cost, poor graphene dispersion, graphene pollution, etc., to improve peeling efficiency, peel off Improved efficiency and less environmental pollution

Active Publication Date: 2017-10-20
天津纳清新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problem that the intercalation agent will bring graphene pollution and cost increase, it is not suitable for large-scale industrial production, and the graphene material obtained by air stripping is poor in dispersion, and post-treatment of graphene is required to improve its storage medium. Dispersion, which leads to complex processing, increased production cycle and cost, etc.
Solve the stripping and dispersion of graphene in one step, improve the stripping efficiency of graphene, and solve the problem of poor dispersion of graphene at the same time, and promote the mass production of graphene

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] like figure 1 Shown, a kind of complete set of equipment that utilizes jet flow to prepare graphene among the present invention, comprises: mixing mechanism 10, by body 11, high-mix agitator 12 and the feeding connection A and B that are arranged on the body, discharge The connecting pipe C is formed; the body diameter of the mixing mechanism 10 is 500 mm, and the height is 700 mm; the high-mix agitator 12 is a blade rotating at a high speed, and the discharge connecting pipe C is arranged on the body 11 of the mixing mechanism 10, and is connected with the mixing A homogeneous valve 21 is arranged between the mechanism bodies.

[0042] The spray drying chamber 20 is provided with a heating system 22;

[0043] The jet nozzle 30 is arranged in the spray drying chamber 20 and is connected to the discharge connecting pipe C, and an acceleration pump 31 is arranged between the discharge connecting pipe C and the jet nozzle 30;

[0044] At least one ultrasonic probe 13 is ...

Embodiment 2

[0053] like figure 1 Shown, a kind of complete set of equipment that utilizes jet flow to prepare graphene among the present invention, comprises: mixing mechanism 10, by body 11, high-mix agitator 12 and the feeding connection A and B that are arranged on the body, discharge The connecting pipe C is formed; the body diameter of the mixing mechanism 10 is 600 mm, and the height is 800 mm; the high-mix agitator 12 is a blade rotating at a high speed, and the discharge connecting pipe C is arranged on the body 11 of the mixing mechanism 10, and is connected with the mixing A homogeneous valve 21 is arranged between the mechanism bodies.

[0054] The spray drying chamber 20 is provided with a heating system 22;

[0055] The jet nozzle 30 is arranged in the spray drying chamber 20 and is connected to the discharge connecting pipe C, and an acceleration pump 31 is arranged between the discharge connecting pipe C and the jet nozzle 30;

[0056] At least one ultrasonic probe 13 is ...

Embodiment 3

[0065] like figure 1 Shown, a kind of complete set of equipment that utilizes jet flow to prepare graphene among the present invention, comprises: mixing mechanism 10, by body 11, high-mix agitator 12 and the feeding connection A and B that are arranged on the body, discharge The connecting pipe C is formed; the body diameter of the mixing mechanism 10 is 700 mm, and the height is 900 mm; the high-mixing agitator 12 is a blade rotating at a high speed, and the discharge connecting pipe C is arranged on the body 11 of the mixing mechanism 10, and is connected with the mixing mechanism 10. A homogeneous valve 21 is arranged between the mechanism bodies.

[0066] The spray drying chamber 20 is provided with a heating system 22;

[0067] The jet nozzle 30 is arranged in the spray drying chamber 20 and is connected to the discharge connecting pipe C, and an acceleration pump 31 is arranged between the discharge connecting pipe C and the jet nozzle 30;

[0068] At least one ultras...

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Abstract

The invention provides a complete device of preparing graphene by a jet flow. A graphite raw material and a medium solution are intensively mixed, primarily stripped and mixed by a high-mixing stirrer, and accelerated by an acceleration pump to enter a spray drying chamber from a jet nozzle; the materials are collided and stripped in the jet nozzle and ejected to enter the spray drying chamber; the solution is evaporated at the high temperature in the drying chamber; a graphene material is obtained; and finally, a collection mechanism collects the graphene. According to a method, the stripping and dispersion of the graphene are achieved in a one-stop manner; the stripping efficiency of the graphene is improved; a structure of the graphene is kept better, so that the high-quality graphene is obtained; at the same time, the problem of poor dispersity of the graphene is solved; and continuous and mass production of the graphene is promoted.

Description

technical field [0001] The invention relates to the field of nanomaterial preparation devices, in particular to a complete device and method for preparing graphene by using jet flow. Background technique [0002] In 2004, two scientists from the University of Manchester in the United Kingdom discovered graphene using the method of micromechanical exfoliation, and won the Nobel Prize in Physics in 2010. Graphene is a flat plate structure with a single atom thickness and sp2 bonded carbon atoms. In theory, it has a perfect hexagonal network structure and exhibits excellent electronic stability, thermal conductivity, optical properties, and mechanical properties. Since the discovery of graphene, due to its excellent performance and huge market application prospects, it has triggered a research boom in the fields of physics and material science. In graphene, each carbon atom has an unbonded p-electron. These p-electrons can move freely in the crystal, and the movement speed is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/19
CPCC01B2204/04C01B2204/32
Inventor 陈庆曾军堂陈兵
Owner 天津纳清新材料科技有限公司
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