Expanded graphite expansion device through microwave gas diffusion

A technology of expanded graphite and gas diffusion, which is applied in the direction of inorganic chemistry, carbon compounds, chemical instruments and methods, etc., can solve the problems of poor use effect of graphite expansion devices, and achieve good expansion effect, low temperature and low energy consumption.
CN108715445APending Publication Date: 2018-10-30深圳市弘玮微波技术有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
深圳市弘玮微波技术有限公司
Publication Date
2018-10-30

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Abstract

The method relates to the technical field of graphite expansion devices and in particular relates to an expanded graphite expansion device through microwave gas diffusion. The expanded graphite expansion device comprises a vertically arranged microwave excited cavity, wherein a plurality of microwave sources surround the outer part of the microwave excited cavity; a furnace tube is arranged insidethe microwave excited cavity; an expanded graphite output pipeline is arranged on the top of the furnace tube; the bottom end of the furnace tube is connected with an expansible graphite powder and airflow vortex mixing device by virtue of an expansible graphite gas delivery pipeline; a three-way pipe is connected to the feeding hole of the expansible graphite powder and airflow vortex mixing device; another two ports of the three-way pipe are respectively connected with an expansible graphite feed pipeline and an air inlet pipeline; and the air inlet pipeline is connected with an air blowingdevice. According to the device, the temperature rise time is short, the graphite intercalation compound is decomposed and exploded in a very short time, the formed expanded graphite has an excellentexpansion effect, the temperature rise process is avoided before production, the cooling process also does not exist when the production is stopped, the production can be optionally started or stopped, the energy consumption is low, the furnace surface temperature is low, and the operating environment is good.
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Description

technical field

[0001] The invention relates to the technical field of graphite expansion devices, in particular to a microwave gas diffusion method expanded graphite expansion device. Background technique

[0002] Graphene is a two-dimensional carbon nanomaterial in which carbon atoms form a hexagonal honeycomb lattice with sp2 hybrid orbitals.

[0003] Graphene has excellent optical, electrical, and mechanical properties, and has important application prospects in materials science, micro-nano processing, energy, biomedicine, and drug delivery, and is considered to be a revolutionary material in the future.

[0004] At present, the main production methods of graphene are mechanical exfoliation method, redox method, SiC epitaxial growth method and chemical vapor deposition (CVD).

[0005] The mechanical exfoliation method is a method of obtaining a graphene thin layer material by using the friction and relative motion between the object and the graphene. This method is si...

Claims

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