CN202440314U - Preparation device for graphene - Google Patents
Preparation device for graphene Download PDFInfo
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- CN202440314U CN202440314U CN2012200554121U CN201220055412U CN202440314U CN 202440314 U CN202440314 U CN 202440314U CN 2012200554121 U CN2012200554121 U CN 2012200554121U CN 201220055412 U CN201220055412 U CN 201220055412U CN 202440314 U CN202440314 U CN 202440314U
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- reaction chamber
- graphene
- lance tube
- bore
- shaft
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Abstract
The utility model discloses a preparation device for graphene, which comprises a furnace body with an inner cavity, a reaction chamber with an inner cavity, at least one ejection gun pipe, and at least one spray pistol; the reaction chamber is arranged in the furnace body, an upper end and a lower end of the reaction chamber respectively extend from the furnace body, an gas inlet hole is arranged on the upper end of the reaction chamber, and an outlet is arranged on the lower end of the reaction chamber; the ejection gun pipe is arranged in the inner cavity of the furnace body, the upper end of the ejection gun pipe is connected with the reaction chamber and is communicated with the inner cavity of the reaction chamber, and the lower end of the ejection gun pipe is connected with the furnace body and is communicated with the outside of the furnace body; and the spray pistol and the ejection gun pipe are arranged in pairs, each spray pistol is correspondingly inserted into the ejection gun pipe. The preparation device for graphene has the advantages of simple structure and low cost, is capable of rapidly and continuously preparing a large number of graphene powders, and the production efficiency of graphene is increased.
Description
Technical field
The utility model relates to a kind of preparation facilities of Graphene, relates in particular to a kind of device that can prepare the Graphene powder continuously.
Background technology
Graphene is a kind of two-dimentional carbon atom crystal that the strong K of the peace moral of Univ Manchester UK in 2004 sea nurse (Andre K. Geim) waits discovery, is the carbon material as thin as a wafer of single or multiple lift.Graphene has attracted many scientific workers because its particular structure and photoelectric property become hot research fields such as carbon material, nanotechnology, Condensed Matter Physics and functional materials.Single-layer graphene has good conduction, heat conductivility and low thermal expansivity, and its theoretical specific surface area can be used for effect transistor, electrode materials, matrix material, liquid crystal display material, transmitter etc. up to 2630m2/g.The method for preparing at present Graphene mainly contains graphite breakaway method (reference: Novoselov K S, Geim A K, et al. Science 2004; 306,666), chemistry redox method (reference: D A Dikin, et al. Nature 2007; 448,457; Sasha Stankovich, Dmitriy A Dikin, Richard D Piner, et al. Carbon 2007; 45,1558), the ultrasonic method (reference: Guohua Chen, Wengui Weng, Dajun Wu of peeling off; Et al. Carbon. 2004,42,753) etc.The chemistry redox method is the method for at present easy realization of industrialization, mainly is the hydrazine hydrate solution reduction at present, earlier the preparation graphite oxide; Then graphite oxide is made into the solution that concentration is about 1g/L and is put into reaction ax, reductase 12 4 hours or (document sees reference: Sasha Stankovich, Dmitriy A Dikin more for a long time; Richard D Piner, et al. Carbon 2007,45; 1558), this hydrazine hydrate solution reduction method not only need be used large-scale reaction ax, and it is big to take up room; And the reaction times is long, can not prepare continuously, and production efficiency is low.
Summary of the invention
The technical problem that the utility model will solve is to overcome the deficiency that above-mentioned prior art exists; And a kind of preparation facilities of Graphene proposed, it can be fast, a large amount of and preparation Graphene powder continuously, and equipment is small and exquisite; It is little to take up room; With low cost, improved the production efficiency of Graphene, reduced production cost.
For solving the problems of the technologies described above, the utility model provides a kind of preparation facilities of Graphene, and it comprises: one have inner chamber shaft, have the reaction chamber of inner chamber, at least one lance tube and at least one fog gun; Said reaction chamber is inserted in the said shaft and stretch out from said shaft respectively the top and bottom of said reaction chamber, and the upper end of said reaction chamber is provided with inlet mouth, and the lower end of said reaction chamber is provided with outlet; Said lance tube is arranged in the inner chamber of said shaft, and the upper end of said lance tube connects said reaction chamber and be communicated with the inner chamber of reaction chamber, the lower end of said lance tube connect said shaft and with the external communications of shaft; Said fog gun and said lance tube are provided with in pairs, and the said fog gun of every bar is corresponding to be inserted in the said lance tube.
Preferably, said shaft is a round shape, and its height is between 1000mm ~ 3000mm, and external diameter is between 500mm ~ 2000mm.
Preferably, the height of said shaft is 1500mm, and external diameter is 500mm.
Preferably, said reaction chamber is a round shape, and its diameter is between 100mm ~ 500mm.
Preferably, said inlet mouth be circle and bore between 10mm ~ 50mm, the bore of said outlet is identical with the diameter of said reaction chamber.
Preferably, the bore of said inlet mouth is 30mm, and the bore of said outlet is 200mm.
Preferably, the diameter of the barral of a gun of said fog gun is between 6mm ~ 25mm, and the spray amount of said fog gun is between 50 ml/min ~ 200 ml/min.
Preferably, the diameter of the barral of a gun of said fog gun is 15mm, and the spray amount of said fog gun is 100ml/min.
Preferably, to lower end convergent bore, the bore of said lance tube upper end is between 20mm ~ 50mm by the upper end for said lance tube, and the bore of said lance tube lower end is between 10mm ~ 30mm.
Preferably, the bore of said lance tube upper end is 30mm, and the bore of lower end is 20mm.
Compared with prior art, the utlity model has following beneficial effect: the preparation facilities of the utility model Graphene powder is simple in structure, be easy to make, with low cost; But uninterrupted duty has improved production efficiency, has reduced production cost, has great production practice meaning.
Description of drawings
Fig. 1 looks synoptic diagram for the master of the preparation facilities of the utility model Graphene.
Fig. 2 looks synoptic diagram for the right side of the preparation facilities of the utility model Graphene.
Fig. 3 is the schematic top plan view of the preparation facilities of the utility model Graphene.
Embodiment
For principle and the structure that further specifies the utility model, combine accompanying drawing that the preferred embodiment of the utility model is elaborated at present.
In conjunction with consulting Fig. 1, Fig. 2 and Fig. 3, the preparation facilities of the utility model Graphene comprises: shaft with inner chamber 11 1, one have the reaction chamber 2 of inner chamber 21, four lance tubes 3 and four bar fog guns 4.The upper end of reaction chamber 2 is provided with inlet mouth 22, and the lower end of reaction chamber 2 is provided with outlet 23.Reaction chamber 2 is inserted in the shaft 1 and stretch out from shaft 1 respectively the top and bottom of reaction chamber 2; Lance tube 3 is arranged in the inner chamber 11 of shaft 1; And the ligation chamber, upper end 2 of lance tube 3 also is communicated with the inner chamber 21 of reaction chamber 2, the lower end of lance tube 3 connect shaft 1 and with the external communications of shaft 1.Four lance tube 3 uniform ring be located at reaction chamber 1 around, every bar fog gun 4 corresponding insertions in the lance tube 3.
Preferably, the shaft 1 of present embodiment is round shape with reaction chamber 2.The upper end of lance tube 3 is connected on the sidewall of reaction chamber 2; The lower end of lance tube 3 is connected on the diapire of shaft 1; Offer on the sidewall of reaction chamber 2 and lance tube 3 is communicated with and the perforates (not shown) identical with lance tube 3 open upper end, offer on the diapire of shaft 1 be communicated with lance tube 3 and with the identical perforate of opening of lance tube 3 lower ends.Lance tube 3 by the upper end to lower end convergent bore.
Each size of device is according to service condition and difference, and preferably, the height of shaft 1 can be between 1000mm ~ 3000mm, and external diameter can be between 500mm ~ 2000mm; The diameter of reaction chamber 2 can be between 100mm ~ 500mm; Inlet mouth 22 is that circle and bore can be between 10mm ~ 50mm, and the bore of outlet 23 is identical with reaction chamber 2 diameters, between 100mm ~ 500mm; The diameter of fog gun 4 barrals of a gun can be between 6mm ~ 25mm, and the spray amount of fog gun 4 is between 50 ml/min ~ 200 ml/min; The bore of lance tube 3 upper ends is between 20mm ~ 50mm, and the bore of lance tube 3 lower ends is between 10mm ~ 30mm.
Particularly, in the present embodiment, the height of shaft 1 is 1500mm; External diameter is 500mm, and the bore of inlet mouth 22 is 30mm, and the bore of outlet 23 is 200mm; The diameter of the barral of a gun of fog gun 4 is 15mm; The spray amount of fog gun 4 is 100ml/min, and the bore of lance tube 3 upper ends is 30mm, and the bore of lower end is 20mm.
The preparation process that the preparation facilities of this Graphene prepares the Graphene powder is following:
At first, graphite oxide is dissolved in the ethanol, is made into the suspension liquid that concentration is 10g/L, and connect with fog gun 4; Inlet pipe and inlet mouth 22 are connected, feed argon gas and hydrogen in the reaction chamber 2 than being the mixed gas 300sccm of 1:1, after 30 minutes, 2 to 1000 ℃ of reacting by heating chambers; Start fog gun 4 and regulate flow, making spray amount is 100ml/min, and raw material is gathered in reaction chamber 2 inner chambers after symmetric fog gun 4 penetrates, and raw material reacts under the condition of high temperature and shielding gas, generates Graphene; Graphene directly comes out from exporting 23, can collect the Graphene that comes out from reaction chamber 2 at outlet 23 placement receiving traps.
Wherein the uniform distribution of fog gun 4 is the central authorities that can accumulate in reaction chamber 2 inner chambers 21 for the raw material that makes ejection; Spraying raw material from the bottom up is in order to increase the reaction times; Can more fully react, and after having reacted, can directly discharge product, to realize continuous preparation from exporting 23; The two ends diameter of lance tube 3 is inconsistent to be for the ease of regulating the position of fog gun 4.
In sum, compared with prior art, the preparation facilities of the utility model Graphene powder can be prepared more Graphenes in the shorter time; Thereby enhance productivity, can realize industriallization, and device is simple; Easy to operate; For automated process in the future provide maybe, reduce production costs, have great production practice meaning.
What need explanation is, the foregoing description has only been introduced the preparation process that this device is used to prepare Graphene, during practical application; It also can be used for preparing the nitrating Graphene, mixes halogen Graphene etc.; The preparation process is similar, and just raw material is slightly different with shielding gas, differs one here for example.
In addition, this device is when concrete the application, and the shape of shaft 1 and reaction chamber 2 also can be square; Fog gun 4 quantity are not defined as four bars, can be a bar, two bars or more bars yet, each fog gun 4 preferred sidewall uniform distribution along reaction chamber 2.
More than be merely the preferable possible embodiments of the utility model, and the protection domain of unrestricted the utility model, the equivalent structure that all utilization the utility model specification sheetss and accompanying drawing content have been done changes, and all is included in the protection domain of the utility model.
Claims (10)
1. the preparation facilities of a Graphene is characterized in that, comprising: one have inner chamber shaft, have the reaction chamber of inner chamber, at least one lance tube and at least one fog gun; Said reaction chamber is inserted in the said shaft and stretch out from said shaft respectively the top and bottom of said reaction chamber, and the upper end of said reaction chamber is provided with inlet mouth, and the lower end of said reaction chamber is provided with outlet; Said lance tube is arranged in the inner chamber of said shaft, and the upper end of said lance tube connects said reaction chamber and be communicated with the inner chamber of reaction chamber, the lower end of said lance tube connect said shaft and with the external communications of shaft; Said fog gun and said lance tube are provided with in pairs, and the said fog gun of every bar is corresponding to be inserted in the said lance tube.
2. the preparation facilities of Graphene as claimed in claim 1 is characterized in that, said shaft is a round shape, and its height is between 1000mm ~ 3000mm, and external diameter is between 500mm ~ 2000mm.
3. the preparation facilities of Graphene as claimed in claim 2 is characterized in that, the height of said shaft is 1500mm, and external diameter is 500mm.
4. the preparation facilities of Graphene as claimed in claim 1 is characterized in that, said reaction chamber is a round shape, and its diameter is between 100mm ~ 500mm.
5. the preparation facilities of Graphene as claimed in claim 1 is characterized in that, said inlet mouth be circle and bore between 10mm ~ 50mm, the bore of said outlet is identical with the diameter of said reaction chamber.
6. the preparation facilities of Graphene as claimed in claim 5 is characterized in that, the bore of said inlet mouth is 30mm, and the bore of said outlet is 200mm.
7. the preparation facilities of Graphene as claimed in claim 1 is characterized in that, the diameter of the barral of a gun of said fog gun is between 6mm ~ 25mm, and the spray amount of said fog gun is between 50 ml/min ~ 200 ml/min.
8. the preparation facilities of Graphene as claimed in claim 7 is characterized in that, the diameter of the barral of a gun of said fog gun is 15mm, and the spray amount of said fog gun is 100ml/min.
9. the preparation facilities of Graphene as claimed in claim 1 is characterized in that, to lower end convergent bore, the bore of said lance tube upper end is between 20mm ~ 50mm by the upper end for said lance tube, and the bore of said lance tube lower end is between 10mm ~ 30mm.
10. the preparation facilities of Graphene as claimed in claim 9 is characterized in that, the bore of said lance tube upper end is 30mm, and the bore of lower end is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200554121U CN202440314U (en) | 2012-02-20 | 2012-02-20 | Preparation device for graphene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200554121U CN202440314U (en) | 2012-02-20 | 2012-02-20 | Preparation device for graphene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202440314U true CN202440314U (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200554121U Expired - Lifetime CN202440314U (en) | 2012-02-20 | 2012-02-20 | Preparation device for graphene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202440314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590100A (en) * | 2013-12-03 | 2014-02-19 | 西安电子科技大学 | MOCVD reaction room used for growing graphene |
| CN107934943A (en) * | 2017-12-25 | 2018-04-20 | 深圳市山木新能源科技股份有限公司 | A kind of graphene powder manufacturing equipment |
-
2012
- 2012-02-20 CN CN2012200554121U patent/CN202440314U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590100A (en) * | 2013-12-03 | 2014-02-19 | 西安电子科技大学 | MOCVD reaction room used for growing graphene |
| CN103590100B (en) * | 2013-12-03 | 2016-03-02 | 西安电子科技大学 | For the MOCVD reaction chamber of growing graphene |
| CN107934943A (en) * | 2017-12-25 | 2018-04-20 | 深圳市山木新能源科技股份有限公司 | A kind of graphene powder manufacturing equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |