CN208667109U - A kind of slot antenna large volume plasma expanded graphite process units - Google Patents
A kind of slot antenna large volume plasma expanded graphite process units Download PDFInfo
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- CN208667109U CN208667109U CN201821122638.2U CN201821122638U CN208667109U CN 208667109 U CN208667109 U CN 208667109U CN 201821122638 U CN201821122638 U CN 201821122638U CN 208667109 U CN208667109 U CN 208667109U
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- slot antenna
- large volume
- excitation cavity
- expanded graphite
- process units
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Abstract
The utility model discloses a kind of slot antenna large volume plasma expanded graphite process units, including excitation cavity, wherein, boiler tube is equipped with inside excitation cavity, excitation cavity bottom middle position is provided with charging interface, and excitation cavity top center position is provided with rewinding interface, rewinding interface side vacuum interface, excitation cavity outer wall is evenly distributed with slot antenna, and one end of slot antenna is provided with microwave source.The utility model has the following beneficial effects: temperature is high, and the temperature in temperature field is more than 2000 DEG C, can reach a high temperature in moment, expansible graphite is expanded by using plasma heating；Plasma is excited using microwave energy, on the one hand microwave energy is used as the plasma exciatiaon energy, on the other hand couples with graphite, make expansible graphite self-heating, temperature is uniform, quick heating, and gas burst effect is strong.
Description
Technical field
The utility model relates to graphite production technical fields, it particularly relates to a kind of slot antenna large volume plasma
Expanded graphite process units.
Background technique
Graphene (Graphene) be one kind by carbon atom with sp2Hybridized orbit forms the two dimension that hexangle type is in honeycomb lattice
Carbon nanomaterial.Graphene has excellent optics, electricity, mechanical characteristic, in materialogy, micro-nano technology, the energy, biomedicine
It is with important application prospects with drug delivery etc., it is considered to be a kind of future revolutionary material.The preparation of graphene
Method is varied, and environmental protection is at high cost.Preparing graphene using expanded graphite is a kind of relatively inexpensive preparation approach, for existing rank
Section many Large-scale graphene preparations enterprise is used.The quality of expanded graphite quality directly affects the quality of graphene, preparation
The expanded graphite of graphene requires expansion multiple high, and sulfur content is low, large specific surface area.Reach and expands above the technology of graphite and want
It asks, it is desirable that expansible graphite is fast in the heating rate of puffing furnace, homogeneous heating, and temperature is high.Heating rate is faster, and temperature is higher,
Heating is more uniform, and the gas in expansible graphite generates and expansion is rapider, and the explosive force that moment generates is stronger, extruding quality
It is higher.
Expanded graphite is primarily now produced come extruding expansible graphite using hydrogen reducing furnace or nitrogen protection atmosphere furnace, it is main
There are following three disadvantages: 1, since using traditional electric heating, heat conduction time is long, the temperature field inside material is not
Unanimously, the gas perdurabgility for chemically reacting generation is long, and gas burst effect is poor；2, temperature field in furnace temperature is low, generally exists
900-1200℃；3, material homogeneous heating degree is poor in furnace, and temperature is not achieved in the shortage of heat supplied at material concentration in short time
Thermal balance keeps partial material extruding inadequate.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in above technology, it is raw that the utility model proposes a kind of slot antenna large volume plasma expanded graphites
Device is produced, to overcome above-mentioned technical problem present in existing the relevant technologies.
The technical solution of the utility model is achieved in that
A kind of slot antenna large volume plasma expanded graphite process units, including excitation cavity, wherein in the excitation cavity
Equipped with boiler tube, excitation cavity bottom middle position is provided with charging interface, and excitation cavity top center position is provided with receipts
Expect that interface, rewinding interface side vacuum interface, the excitation cavity outer wall are uniformly arranged slot antenna, the slot antenna
One end be provided with microwave source.
Further, the slot antenna includes connecting flange, also, the side of the connecting flange and the microwave source
Connection.
Further, the connecting flange is provided with contracting waveguide far from the side of the microwave source.
Further, the side of the contracting waveguide is provided with slot antenna plate.
Further, microwave presents people's excitation cavity by the slot antenna plate, and high-voltage electromagnetic field is established in boiler tube.
Further, plasma is generated to vacuumizing in boiler tube in boiler tube by the vacuum interface under low pressure.
Further, by the contracting waveguide, electromagnetism field voltage at gap is improved.
The utility model has the following beneficial effects: temperature is high by using plasma heating, the temperature in temperature field is more than
2000 DEG C, it can reach a high temperature in moment, expansible graphite is expanded；Plasma is excited using microwave energy, microwave energy is on the one hand
It as the plasma exciatiaon energy, on the other hand being coupled with graphite, makes expansible graphite self-heating, temperature is uniform, quick heating,
Gas burst effect is strong.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of slot antenna large volume plasma expanded graphite process units according to the utility model embodiment
Structural schematic diagram；
Fig. 2 is a kind of slot antenna large volume plasma expanded graphite process units according to the utility model embodiment
The structural schematic diagram of slot antenna；
Fig. 3 is the structural schematic diagram looked down above Fig. 2.
In figure:
1, boiler tube；2, excitation cavity；3, interface is fed；4, rewinding interface；5, vacuum interface；6, slot antenna；7, microwave source；
8, connecting flange；9, contracting waveguide；10, slot antenna plate.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of slot antenna large volume plasma expanded graphite production dress
It sets.
It is filled as shown in Figure 1-3, being produced according to the slot antenna large volume plasma expanded graphite of the utility model embodiment
It sets, including excitation cavity 2, wherein boiler tube 1 is equipped in excitation cavity 2,2 bottom middle position of excitation cavity is provided with charging interface 3, swashs
It encourages 2 top center position of chamber and is provided with rewinding interface 4,4 side vacuum interface 5 of rewinding interface, 2 outer wall of excitation cavity is evenly arranged with
Slot antenna 6, one end of slot antenna 6 are provided with microwave source 7.
In one embodiment, slot antenna 6 includes connecting flange 8, also, the side of connecting flange 8 and microwave source 7 connect
It connects.
In one embodiment, connecting flange 8 is provided with contracting waveguide 9 far from the side of microwave source 7.
In one embodiment, the side of contracting waveguide 9 is provided with slot antenna plate 10.
When concrete application, microwave source 7, by microwave energy feed-in excitation cavity 2, is established high by slot antenna 6 in excitation cavity 2
Piezoelectricity magnetic field；Expansible graphite is expanded by heating with high frequency electromagnetic field coupling；Microwave passes through the gap on slot antenna plate 10
By the uniform feed-in excitation cavity 2 of microwave energy, make uniform electromagnetic field in excitation cavity 2；It is compressed using waveguide narrow side, improves microwave radiation seam
Voltage at gap makes voltage reach voltage needed for breakdown generates plasma gas；Plasma is used as using boiler tube 1
Volume, by plasma confinement in boiler tube 1；Low pressure gas breakdown is passed through in boiler tube 1, as generation plasma gas source；
Boiler tube 1 is vacuumized, makes the atmospheric pressure in boiler tube 1 lower than excitation cavity 2 and the atmospheric pressure of slot antenna 6, opens microwave source 7,
Plasma is preferentially generated in boiler tube 1, prevents plasma from occurring outside boiler tube 1；Stable plasma is generated in boiler tube 1
Afterwards, expansible graphite is sent into boiler tube 1 by reducing gas or protective gas；Expansible graphite passes through plasma in boiler tube 1, temperature
Spend moment raising, heating while puffing；Expansible graphite heats up the energy from two aspects: first is that plasma heating, but with it is micro-
The electromagnetic coupling of wave field；Expansible graphite and low pressure breakdown ionized gas source, reducing gas or protective gas from charging interface 3 into
Enter in boiler tube 1, by plasma, is discharged from rewinding interface 4, into subsequent material-receiving system；Vacuum interface 5 and external pumping are true
Null device is connected, and when equipment brings into operation, to vacuumizing in quartz ampoule 1, makes preferentially generation etc. in boiler tube 1 under vacuum conditions
Gas ions；After generating stable plasma in boiler tube 1, vacuum valve is closed；Using vacuum striking, igniting generates plasma
Body.
To sum up, by means of the above-mentioned technical proposal of the utility model, by using plasma heating, temperature is high, temperature
The temperature of field is more than 2000 DEG C, can reach a high temperature in moment, expansible graphite is expanded；Plasma is excited using microwave energy,
On the one hand microwave energy is used as the plasma exciatiaon energy, on the other hand couple with graphite, make expansible graphite self-heating, temperature
Uniformly, quick heating, gas burst effect are strong.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of slot antenna large volume plasma expanded graphite process units, which is characterized in that including excitation cavity (2), wherein
It is equipped with boiler tube (1) in the excitation cavity (2), excitation cavity (2) the bottom middle position is provided with charging interface (3), described to swash
It encourages chamber (2) top center position to be provided with rewinding interface (4), rewinding interface (4) side is equipped with vacuum interface (5), described
Excitation cavity (2) outer wall is evenly distributed with slot antenna (6), and one end of the slot antenna (6) is provided with microwave source (7).
2. a kind of slot antenna large volume plasma expanded graphite process units according to claim 1, which is characterized in that
The slot antenna (6) includes connecting flange (8), also, the side of the connecting flange (8) is connect with the microwave source (7).
3. a kind of slot antenna large volume plasma expanded graphite process units according to claim 2, which is characterized in that
The connecting flange (8) is provided with contracting waveguide (9) far from the side of the microwave source (7).
4. a kind of slot antenna large volume plasma expanded graphite process units according to claim 3, which is characterized in that
The side of the contracting waveguide (9) is provided with slot antenna plate (10).
5. a kind of slot antenna large volume plasma expanded graphite process units according to claim 4, which is characterized in that
Uniform high-voltage electromagnetic field is established in boiler tube (1) to excitation cavity (2) feed-in microwave in the gap of the slot antenna plate.
6. a kind of slot antenna large volume plasma expanded graphite process units according to claim 1, which is characterized in that
By the vacuum interface to vacuumizing in boiler tube (1), plasma is generated under low pressure.
7. a kind of slot antenna large volume plasma expanded graphite process units according to claim 3, which is characterized in that
By the contracting waveguide (9), electromagnetism field voltage at gap is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821122638.2U CN208667109U (en) | 2018-07-14 | 2018-07-14 | A kind of slot antenna large volume plasma expanded graphite process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821122638.2U CN208667109U (en) | 2018-07-14 | 2018-07-14 | A kind of slot antenna large volume plasma expanded graphite process units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208667109U true CN208667109U (en) | 2019-03-29 |
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ID=65828773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821122638.2U Active CN208667109U (en) | 2018-07-14 | 2018-07-14 | A kind of slot antenna large volume plasma expanded graphite process units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208667109U (en) |
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2018
- 2018-07-14 CN CN201821122638.2U patent/CN208667109U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Address after: 518109 Building 801, Mingxing Power Industrial Park, Baiyunshan New Village, Tongsheng Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Hongwei Microwave Technology Co., Ltd. Address before: 518000 Silver Star Science and Technology Building, 1301 Sightseeing Road, Guanzhi Street, Longhua New District, Shenzhen City, Guangdong Province, 9th Floor Patentee before: Shenzhen Xingju Industrial Automation Co., Ltd. |
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| CP03 | Change of name, title or address |