CN108439387A - A kind of graphene preparation method - Google Patents
A kind of graphene preparation method Download PDFInfo
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- CN108439387A CN108439387A CN201810534735.0A CN201810534735A CN108439387A CN 108439387 A CN108439387 A CN 108439387A CN 201810534735 A CN201810534735 A CN 201810534735A CN 108439387 A CN108439387 A CN 108439387A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
- C01B32/19—Preparation by exfoliation
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Abstract
The invention belongs to graphenes to prepare manufacturing technology field, specifically a kind of graphene preparation method；The preparation method includes the following steps：Carbon materials are obtained, carbon materials are rolled, with the graphite particle for forming structure disperses, more crushing；Graphite particle is subjected to high-temperature oxydation, temperature is 600 DEG C or more, to form graphite oxide particle；Graphite oxide particle is put into graphene preparation system, graphene preparation system is opened, graphene preparation system is made to carry out microwave irradiation to graphite oxide particle and tremble, to form required graphene；After graphene to be generated, graphene is collected；The present invention is by optimizing graphene preparation method, it can make graphite oxide particle quickly by microwave irradiation and be reduced to graphene, it is fast to prepare speed, simultaneously, the present invention can be quick and collects graphene, it avoids the graphene being stripped to continue to heat up and deform, warpage, improves the quality of the efficiency and graphene preparation of graphene preparation.
Description
Technical field
The invention belongs to graphenes to prepare manufacturing technology field, specifically a kind of graphene preparation method.
Background technology
Mono-layer graphite due to its big specific surface area, excellent conduction, heat conductivility and low coefficient of thermal expansion and recognized
To be ideal material.Especially its highly conductive property, big specific surface property and the two-dimensional nanoscale of its monolayer
Structural property can be used as electrode material in ultracapacitor and lithium ion battery.
The preparation process of graphene has：Mechanical stripping method, chemical vapour deposition technique, epitaxial crystal growth method, redox
Method etc..Mechanical stripping method is to obtain pure graphene sheet body using mechanical stripping graphite, but can not be advised greatly because yield is too low
Mould produces.Chemical vapour deposition technique or epitaxial crystal flop-in method are using the hydrocarbon air source for being passed through thermal cracking and to deposit
To prepare graphene in nickel sheet or copper sheet, characteristic is that can prepare large area single-layer or multi-layer graphene, but its disadvantage is
Uniformity is difficult to control with thickness；In addition, in growing graphene on insulator base material, such as can grow in silicon carbide very thin
Graphene, disadvantage is expensive and be difficult to prepare large area.Traditional oxidation-reduction method is then to utilize graphite powder or stone
Black fiber generates functionalized graphite's oxide, then profit with the strong oxidizers such as sulfuric acid and nitric acid or the chemical stripping of other oxidation processes
With high temperature furnace with 1100 DEG C to 1250 DEG C of high temperature, graphite oxide composite is made to expand stripping rapidly, if but the stone that is stripped
Black alkene fails quickly to be collected, and easy tos produce deformation and warpage so that graphene quality is very different；Meanwhile the stone being stripped
Black alkene is easy burned or even easily causes fiery trouble in the air of high temperature, and the industrial applications to produce graphene bring latent
Security threat.
In consideration of it, a kind of graphene preparation method of the present invention, the present invention are improved by graphene preparation system
Graphene preparation method makes when preparing graphene, and graphite oxide particle quickly can be removed into graphene, meanwhile, it is shelled
The graphene come is separated out to be avoided the graphene being stripped by quickly collecting in time and continued to heat up and deformation and warpage, improve
Quality prepared by efficiency and graphene prepared by graphene.
Invention content
In order to make up for the deficiencies of the prior art, the present invention proposes a kind of graphene preparation method, present invention is mainly used for
The preparation of graphene.The present invention optimizes graphene preparation method by graphene preparation system, and graphite oxide particle can be made fast
Speed is kept graphite oxide particle fluffy and is reduced to powdered graphene by microwave irradiation, and preparation speed is fast, and a few minutes can be complete
At the graphene of generation can be avoided the graphene being stripped and continued to heat up and deformation and warpage, carry by quickly timely collecting
Quality prepared by efficiency and graphene prepared by high graphene.
The technical solution adopted by the present invention to solve the technical problems is：A kind of graphene preparation side of the present invention
Method, the preparation method include the following steps：
Step 1：Carbon materials are obtained, carbon materials are rolled, with the graphite particle for forming structure disperses, more crushing；
Step 2：The graphite particle that step 1 is obtained carries out high-temperature oxydation, and temperature is 600 DEG C or more, to form oxygen
Graphite particle；
Step 3：The graphite oxide particle obtained in step 2 is put into graphene preparation system from loading hopper
In, graphene preparation system is opened, so that exhaust fan exhausting is generated negative pressure and wind-force, wind drive wheel rotation makes impeller pass through
Turbine and worm transmission component band moving cam rotates, and so that cam is tapped rack makes the graphite oxide particle on rack generate shake
It quivers, meanwhile, make microwave generator to the graphite oxide particle microwave irradiating that trembles, graphite oxide particle is made to become the stone of black Peng Song
Black alkene powder, forms required graphene；
Step 4：After prepared by step 3 and generate graphene, the negative pressure that exhaust fan persistently generates will make powdered stone
Black alkene comes out through leakage hole from discharge port, is collected to graphene；
Graphene preparation system in the step 3 includes cavity, loading hopper, microwave generator, rack, support
The inside of spring, concussion unit and exhaust fan, the cavity is reaction chamber, and the lower end of cavity is provided with discharge port；The charging
Funnel is located at the upper end of cavity, and loading hopper is connected with cavity, and loading hopper is the entrance that graphite particle enters reaction chamber；It is described
Microwave generator is located on the inner wall of cavity, and microwave generator is used to carry out microwave irradiating to graphite oxide particle；The support
Spring is located at the lower part of cavity, and support spring is used to support rack；The rack is located at the middle part of cavity, is opened on rack
Equipped with the leakage hole to leak down for graphene, rack is for placing graphite oxide particle；The concussion unit is located under rack
End, concussion unit are used to make the graphite oxide particle generation on rack to tremble；The exhaust fan is located at the bottom of cavity, exhausting
Machine is used to the graphene in reaction chamber being sucked out, meanwhile, exhaust fan trembles for concussion unit provides power.
The loading hopper includes rolling element and funnel, and the rolling element middle concave is empty, and rolling element is rolled with cavity and connected；
The funnel is located at the middle concave vacancy of rolling element, and funnel is fixed as one with rolling element, and spiral shell is provided on the inner wall of funnel
Spin slot mouth；The spiral notch is located at the edge of funnel lower face.When work, graphite oxide particle is thrown from loading hopper
Enter, during feeding intake, graphite oxide particle, which can apply funnel downward power, makes funnel upper surface unbalance stress, because of rolling element
Be to roll to connect with cavity, power is transmitted to rolling element by funnel, rolling element on cavity respectively to swing so that funnel follows rolling
Kinetoplast is swung everywhere so that graphite oxide particle is more uniform when falling on rack, and being conducive to graphite oxide particle can be with
Full and uniform receives microwave irradiating, and redox reaction rates are speeded, and improves the speed of production of graphene.
The upper surface of the rack is provided with striker plate, and the striker plate of rack edge is into the revolution of rack
The heart tilts 15 °~35 °.When work, when graphene oxide is more uniformly sprinkled on rack upper surface by loading hopper,
Graphite oxide particle is divided into different zones by striker plate, and the rack to tremble can be made all not gather graphite oxide particle
Together, it avoids the graphene that reaction first obtains from all flocking together, the graphene to flock together is avoided to heat up and burn；Simultaneously
It is skewed placement by striker plate, water is generated after barrier of the trembling by tilted-putted striker plate above and below graphite oxide particle
Square upward displacement, is conducive to the evenly dispersed of graphite oxide particle；Be conducive to graphite oxide particle to tremble uniformly so that oxygen
Graphite particle redox reaction rates are speeded, and improve the speed of production of graphene.
The concussion unit includes impeller, turbine and worm transmission component and cam, and the impeller is located at the lower part of cavity；Institute
It states turbine and worm component to be located on the outside of cavity, turbine and worm transmission component is used to the kinetic energy of wheel rotation passing to cam, drives
Cam rotation is set to tap rack.When work, generate downward wind-force when aspirator works, impeller by the effect of wind-force and
The impeller of rotation, rotation is rotated by turbine and worm transmission component driving cam, and the intermittent percussion rack of cam makes placement
Frame trembles, while the support spring on rack is elongated, compresses, make rack generation significantly swing up and down, make not by
Redox graphite oxide particle is in above graphene, graphene be in graphite oxide particle lower section be conducive to it is powdered
Graphene from leakage hole under leak, not only improve powdered graphene and quickly collected, being also beneficial to graphite oxide particle can be with
Full and uniform receives microwave irradiating, and the redox reaction rates of graphite oxide particle is made to speed, and improves the production speed of graphene
Degree.
Flexible tapping board is set on the cam；The elasticity tapping board is provided with multiple, and tapping board is distributed in cam
Edge, elastic tapping board include gland, spring one and striking head；One end of the spring one is connected with gland, spring one
The other end be fixedly connected with striking head；The gland is fixed at cam edge；One end of the striking head extends to convex
Wheel outside, and the striking head on the outside of cam is free end.When work, cam rotation, cam driven elasticity tapping board is swung,
Elastic tapping board has elastic reaction, and elastic tapping board ceaselessly taps rack, because cam Edge Distance rack it is remote
It is close different so that the amplitude that the elastic tapping board in different location taps rack is also different, and intensive percussion can make placement
Frame generates severe tremor while swinging up and down, and the graphite oxide particle on rack can receive microwave by full and uniform
Width shines, and can quickly make the fluffy crushing of graphite oxide particle so that redox reaction rates are speeded, and improve the production speed of graphene
Degree；Meanwhile powdered graphene can be leaked out easily from leakage hole and enter discharge outlet by the severe tremor of rack,
Graphene is quickly collected in time.
The beneficial effects of the invention are as follows：
1. a kind of graphene preparation method of the present invention, the present invention optimize graphene by graphene preparation system
Preparation method can make graphite oxide particle quickly fluffy by microwave irradiation, and be reduced to powdered graphene, prepare speed
Soon, a few minutes can be completed；Meanwhile the present invention can quickly collect the graphene of preparation in time, avoid the graphene being stripped after
Temperature of continuing rising and deform and warpage, improve graphene preparation efficiency and graphene prepare quality.
2. a kind of graphene preparation method of the present invention, the present invention is occurred by loading hopper, rack, microwave
Device, shake unit interaction, loading hopper can more and graphite oxide particle is sprinkled upon on rack, shake unit
Rack is driven to generate severe tremor so that graphite oxide can be quick and uniformly by microwave irradiating, meanwhile, on rack
It is provided with striker plate, graphite oxide particle is divided into different zones, the graphene that reaction first obtains is avoided all to flock together
And heat up and burn so that be graphene production it is safer.
3. a kind of graphene preparation method of the present invention, the present invention on cam by being arranged elastic tapping board, bullet
Property tapping board continuously taps rack with different amplitudes, and intensive percussion can make rack generate play while swinging up and down
Violent shock quivers so that graphite oxide particle can be made by the full and uniform microwave irradiating that receives, the easily fluffy crushing of graphite oxide particle
It obtains redox reaction rates to speed, improves the speed of production of graphene；Meanwhile the severe tremor of rack can easily make powder
The graphene of last shape leaks out from leakage hole and enters discharge outlet, and exhaust fan work makes discharge port generate negative pressure so that graphene can
Quickly it is collected in time.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the method flow diagram of graphene preparation method of the present invention；
Fig. 2 is the graphene preparation system structural schematic diagram of the present invention；
Fig. 3 is the cam structure schematic diagram of the present invention；
In figure：Cavity 1, discharge port 11, loading hopper 2, rolling element 21, funnel 22, microwave generator 3, rack 4, leakage
Hole 41, striker plate 42, support spring 5, concussion unit 6, impeller 61, turbine and worm transmission component 62, cam 63, elastic tapping board
64, gland 641, spring 1, striking head 643, exhaust fan 7.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific implementation mode is closed, the present invention is further explained.
As shown in Figs. 1-3, a kind of graphene preparation method of the present invention, the preparation method include the following steps：
Step 1：Carbon materials are obtained, carbon materials are rolled, with the graphite particle for forming structure disperses, more crushing；
Step 2：The graphite particle that step 1 is obtained carries out high-temperature oxydation, and temperature is 600 DEG C or more, to form oxygen
Graphite particle；
Step 3：The graphite oxide particle obtained in step 2 is put into graphene preparation system from loading hopper 2
In, graphene preparation system is opened, 7 exhausting of exhaust fan is made to generate negative pressure and wind-force, wind drive impeller 61 rotates, and makes impeller 61
It is rotated with moving cam 63 by turbine and worm transmission component 62, the percussion rack 4 of cam 63 is made to make the graphite oxide on rack 4
Particle generation is trembled, meanwhile, make microwave generator 3 to the graphite oxide particle microwave irradiating that trembles, graphite oxide particle is made to become
The graphene powder of black Peng Song forms required graphene；
Step 4：After prepared by step 3 and generate graphene, the negative pressure that exhaust fan 7 persistently generates will make powdered
Graphene comes out through leakage hole 41 from discharge port 11, is collected to graphene；
Graphene preparation system in the step 3 include cavity 1, loading hopper 2, microwave generator 3, rack 4,
The inside of support spring 5, concussion unit 6 and exhaust fan 7, the cavity 1 is reaction chamber, and the lower end of cavity 1 is provided with discharge port
11；The loading hopper 2 is located at the upper end of cavity 1, and loading hopper 2 is connected with cavity 1, and loading hopper 2 enters for graphite particle
The entrance of reaction chamber；The microwave generator 3 is located on the inner wall of cavity 1, microwave generator 3 be used for graphite oxide particle into
Row microwave irradiating；The support spring 5 is located at the lower part of cavity 1, and support spring 5 is used to support rack 4；The rack 4
Positioned at the middle part of cavity 1, the leakage hole 41 to leak down for graphene is offered on rack 4, rack 4 is for placing graphite oxide
Grain；The concussion unit 6 is located at the lower end of rack 4, and concussion unit 6 is for making the graphite oxide particle on rack 4 generate
It trembles；The exhaust fan 7 is located at the bottom of cavity 1, and exhaust fan 7 is used to the graphene in reaction chamber being sucked out, meanwhile, exhaust fan
7 tremble for concussion unit 6 provides power.
The loading hopper 2 includes rolling element 21 and funnel 22, and 21 middle concave of the rolling element is empty, rolling element 21 and cavity
1 rolls connection；The funnel 22 is located at the middle concave vacancy of rolling element 21, and funnel 22 is fixed as one with rolling element 21, and leaks
It is provided with spiral notch on the inner wall of bucket 22；The spiral notch is located at the edge of 22 lower face of funnel.When work, it will aoxidize
Graphite particle is put into from loading hopper 2, and during feeding intake, graphite oxide particle can apply downward power to funnel 22 makes leakage
Struggle against 22 upper surface unbalance stress, and because rolling element 21 and cavity 1 are to roll to connect, power is transmitted to rolling element 21, rolling element by funnel 22
21 on cavity 1 respectively to swing so that funnel 22 follows rolling element 21 to swing everywhere so that graphite oxide particle is being fallen on
More uniform when on rack 4, be conducive to that graphite oxide particle can be full and uniform receives microwave irradiating, redox reaction rates
It speeds, improves the speed of production of graphene.
The upper surface of the rack 4 is provided with striker plate 42, and the striker plate 42 of 4 edge of rack is to rack 4
The centre of gyration tilt 15 °~35 °.When work, graphene oxide is uniformly more sprinkled into rack 4 in loading hopper 2
When on upper surface, graphite oxide particle is divided into different zones by striker plate 42, can make the rack to tremble 4 that will not aoxidize stone
Black particle is all brought together, and is avoided the graphene that reaction first obtains from all flocking together, is avoided the graphene to flock together
It heats up and burns；It is simultaneously skewed placement by striker plate 42, trembling is by tilted-putted gear above and below graphite oxide particle
The displacement in horizontal direction is generated after the barrier of flitch 42, is conducive to the evenly dispersed of graphite oxide particle；Be conducive to aoxidize stone
Black particle trembles uniformly so that graphite oxide particle redox reaction rates are speeded, and improve the speed of production of graphene.
The concussion unit 6 includes impeller 61, turbine and worm transmission component 62 and cam 63, and the impeller 61 is located at cavity
1 lower part；The turbine and worm component is located at 1 outside of cavity, and turbine and worm transmission component 62 is used to rotate in impeller 61 dynamic
It can pass on cam 63, the rotation of cam 63 is driven to tap rack 4.When work, downward wind-force is generated when aspirator works,
Impeller 61 is rotated by the effect of wind-force, and the impeller 61 of rotation is rotated by 62 driving cam 63 of turbine and worm transmission component,
The intermittent percussion rack 4 of cam 63, makes rack 4 tremble, while the support spring 5 on rack 4 is elongated, compresses,
So that the generation of rack 4 is significantly swung up and down, so that the graphite oxide particle of not oxidized reduction is in above graphene, graphite
Alkene, which is under graphite oxide particle lower section is conducive to powdered graphene from leakage hole 41, to be leaked, and powdered graphite is not only improved
Alkene is quickly collected, and be also beneficial to that graphite oxide particle can be full and uniform receives microwave irradiating, makes graphite oxide particle
Redox reaction rates are speeded, and improve the speed of production of graphene.
Flexible tapping board 64 is set on the cam 63；The elasticity tapping board 64 is provided with multiple, and tapping board is uniformly distributed
In 63 edge of cam, elastic tapping board 64 includes gland 641, spring 1 and striking head 643；The one of the spring 1
End is connected with gland 641, and the other end of spring 1 is fixedly connected with striking head 643；The gland 641 is fixed on convex
Take turns 63 edges；One end of the striking head 643 extends to 63 outside of cam, and the striking head 643 positioned at 63 outside of cam is
Free end.When work, cam 63 rotates, and cam 63 is swung with dynamic elasticity tapping board 64, and elastic tapping board 64 has elastic reaction,
Elastic tapping board 64 ceaselessly taps rack 4, because the distance of the Edge Distance rack 4 of cam 63 is different so that in not
With position elastic tapping board 64 tap rack 4 amplitude it is also different, intensive percussion can be such that rack 4 is swinging up and down
Severe tremor is generated simultaneously, the graphite oxide particle on rack 4 can receive microwave irradiating by full and uniform, can quickly make
The fluffy crushing of graphite oxide particle so that redox reaction rates are speeded, and improve the speed of production of graphene；Meanwhile rack 4
Severe tremor can easily by powdered graphene from leakage hole 41 leak out and enter discharge port 11 from so that graphene
It can quickly be collected in time.
Concrete operations flow is as follows：
In use, graphite oxide particle is put into from loading hopper 2, during feeding intake, graphite oxide particle can be right
Funnel 22, which applies downward power, makes 22 upper surface unbalance stress of funnel, and because rolling element 21 and cavity 1 are to roll to connect, funnel 22 will
Power is transmitted to rolling element 21, rolling element 21 on cavity 1 respectively to swing so that funnel 22 follows rolling element 21 to swing everywhere,
So that graphite oxide particle is more uniform when falling on rack 4, be conducive to that graphite oxide particle can be full and uniform connects
By microwave irradiating, redox reaction rates are speeded, and improve the speed of production of graphene；In loading hopper 2 more uniformly by oxygen
When graphite alkene is sprinkled on 4 upper surface of rack, graphite oxide particle is divided into different zones by striker plate 42, can make to tremble
Rack 4 graphite oxide particle will not be all brought together, avoid the graphene that first obtains of reaction from all flocking together, keep away
Exempt from the graphene to flock together heating and burns；It is simultaneously skewed placement by striker plate 42, above and below graphite oxide particle
Trembling is conducive to the equal of graphite oxide particle by the displacement generated after the barrier of tilted-putted striker plate 42 in horizontal direction
Even dispersion；Be conducive to graphite oxide particle to tremble uniformly so that graphite oxide particle redox reaction rates are speeded, and improve graphite
The speed of production of alkene；Work start when, the just endlessly downward exhausting of exhaust fan 7, make to generate at discharge port 11 negative pressure and
Wind-force, impeller 61 are rotated by the effect of wind-force, and the impeller 61 of rotation passes through 62 driving cam 63 of turbine and worm transmission component
Rotation, the intermittent percussion rack 4 of cam 63 makes rack 4 tremble, at the same the support spring 5 on rack 4 be elongated,
Compression makes the generation of rack 4 significantly swing up and down, the graphite oxide particle of not oxidized reduction is made to be on graphene
Side, graphene, which is under graphite oxide particle lower section is conducive to powdered graphene from leakage hole 41, to be leaked, and is conducive to aoxidize stone
Black particle can be full and uniform receive microwave irradiating, so that the redox reaction rates of graphite oxide particle is speeded, improve graphite
The speed of production of alkene；When cam 63 rotates, cam 63 is swung with dynamic elasticity tapping board 64, and there is elastic tapping board 64 elasticity to make
With elastic tapping board 64 ceaselessly taps rack 4, because the distance of the Edge Distance rack 4 of cam 63 is different so that be in
The amplitude that the elastic tapping board 64 of different location taps rack 4 is also different, and intensive percussion can be such that rack 4 is swinging up and down
While generate severe tremor, the graphite oxide particle on rack 4 can receive microwave irradiating by full and uniform, can be quick
Make the fluffy crushing of graphite oxide particle so that redox reaction rates are speeded, and improve the speed of production of graphene；In graphene system
During standby, exhaust fan 7 is always on, the negative pressure persistently generated by exhaust fan 7, and powdered graphene is made to penetrate leakage hole 41
It is come out from discharge port 11, graphene is collected.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (5)
1. a kind of graphene preparation method, it is characterised in that：The preparation method includes the following steps：
Step 1：Carbon materials are obtained, carbon materials are rolled, with the graphite particle for forming structure disperses, more crushing；
Step 2：The graphite particle that step 1 is obtained carries out high-temperature oxydation, and temperature is 600 DEG C or more, to form oxidation stone
Black particle；
Step 3：The graphite oxide particle obtained in step 2 is put into graphene preparation system, graphene is opened and prepares
System makes graphene preparation system carry out microwave irradiation to graphite oxide particle and tremble, to form required graphene；
Step 4：After prepared by step 3 and generate graphene, graphene is collected；
Graphene preparation system in the step 3 includes cavity (1), loading hopper (2), microwave generator (3), rack
(4), support spring (5), concussion unit (6) and exhaust fan (7), the inside of the cavity (1) are reaction chamber, under cavity (1)
End is provided with discharge port (11)；The loading hopper (2) is located at the upper end of cavity (1), and loading hopper (2) is connected with cavity (1),
Loading hopper (2) is the entrance that graphite particle enters reaction chamber；The microwave generator (3) is located on the inner wall of cavity (1), micro-
Wave producer (3) is used to carry out microwave irradiating to graphite oxide particle；The support spring (5) is located at the lower part of cavity (1), branch
Support spring (5) is used to support rack (4)；The rack (4) is located at the middle part of cavity (1), and rack offers confession on (4)
The leakage hole (41) that graphene leaks down, rack (4) is for placing graphite oxide particle；The concussion unit (6) is located at rack
(4) lower end, concussion unit (6) are used to make the graphite oxide particle generation on rack (4) to tremble；Exhaust fan (7) position
Bottom in cavity (1), exhaust fan (7) are used to the graphene in reaction chamber being sucked out, meanwhile, exhaust fan (7) is concussion unit
(6) it trembles and power is provided.
2. a kind of graphene preparation method according to claim 1, it is characterised in that：The loading hopper (2) includes rolling
Kinetoplast (21) and funnel (22), rolling element (21) middle concave is empty, and rolling element (21) is rolled with cavity (1) and connected；The leakage
Bucket (22) is located at the middle concave vacancy of rolling element (21), and funnel (22) is fixed as one with rolling element (21), and funnel (22)
Spiral notch is provided on inner wall；The spiral notch is located at the edge of funnel (22) lower face.
3. a kind of graphene preparation method according to claim 1, it is characterised in that：The upper surface of the rack (4)
Be provided with striker plate (42), and the striker plate (42) of rack (4) edge to the centre of gyration of rack (4) tilt 15 °~
35°。
4. a kind of graphene preparation method according to claim 1, it is characterised in that：The concussion unit (6) includes leaf
Wheel (61), turbine and worm transmission component (62) and cam (63), the impeller (61) are located at the lower part of cavity (1)；The turbine
Worm component is located on the outside of cavity (1), and turbine and worm transmission component (62) is used to the kinetic energy that impeller (61) rotates passing to cam
(63) on, cam (63) rotation is driven to tap rack (4).
5. a kind of graphene preparation method according to claim 4, it is characterised in that：It is provided with bullet on the cam (63)
Property tapping board (64)；The elasticity tapping board (64) is provided with multiple, and tapping board is distributed in cam (63) edge, elastic tapping board
(64) include gland (641), spring one (642) and striking head (643)；One end of the spring one (642) and gland
(641) it is connected, the other end of spring one (642) is fixedly connected with striking head (643)；The gland (641) is fixed on cam
(63) edge；One end of the striking head (643) extends on the outside of cam (63), and the striking head on the outside of cam (63)
(643) it is free end.
Priority Applications (1)
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|---|---|---|---|
| CN201810534735.0A CN108439387A (en) | 2018-05-29 | 2018-05-29 | A kind of graphene preparation method |
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ID=63205147
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562968A (en) * | 2019-10-22 | 2019-12-13 | 杭州联芳科技有限公司 | liquid-phase substrate graphene precipitation separation method |
| CN112596359A (en) * | 2020-12-16 | 2021-04-02 | 贵州云侠科技有限公司 | Printer selenium drum |
| CN112642420A (en) * | 2020-12-22 | 2021-04-13 | 湖南工业大学 | High-concentration molybdenum-doped tungsten trioxide photocatalytic nano material and preparation method thereof |
-
2018
- 2018-05-29 CN CN201810534735.0A patent/CN108439387A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562968A (en) * | 2019-10-22 | 2019-12-13 | 杭州联芳科技有限公司 | liquid-phase substrate graphene precipitation separation method |
| CN112596359A (en) * | 2020-12-16 | 2021-04-02 | 贵州云侠科技有限公司 | Printer selenium drum |
| CN112642420A (en) * | 2020-12-22 | 2021-04-13 | 湖南工业大学 | High-concentration molybdenum-doped tungsten trioxide photocatalytic nano material and preparation method thereof |
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Application publication date: 20180824 |