CN106365145A - Integrative device for extracting carbon nano tube in graphite - Google Patents
Integrative device for extracting carbon nano tube in graphite Download PDFInfo
- Publication number
- CN106365145A CN106365145A CN201610772668.7A CN201610772668A CN106365145A CN 106365145 A CN106365145 A CN 106365145A CN 201610772668 A CN201610772668 A CN 201610772668A CN 106365145 A CN106365145 A CN 106365145A
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- Prior art keywords
- graphite
- crawler belt
- friction
- filter mesh
- dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Abstract
The invention discloses an integrative device for extracting a carbon nano tube in graphite. Rolling wheels are arranged at an opening part of a tube structure; a vibration plate is arranged on the rolling wheels; an abrasion device is arranged on the vibration plate; a filter part is arranged on the lower part of the vibration plate; sand water spraying nozzles are also arranged above the filter part; a drying device is also arranged under the filter part; a movable pipeline is arranged under a graphite dust solution tank; a circulation friction mechanism is arranged under the movable pipeline. Compared with the prior art, graphite is powdered in an abrasion way, carbon dust obtained through filtering is finer, the generation of amorphous carbon is reduced, a condensation head is further utilized for quickly refrigerating a graphite dust solution, the refrigerated graphite dust solution continuously rubs a friction crawler belt under the drive of a drive arm, the graphite dust leaves a thin carbon dust layer on the friction crawler belt, and the friction crawler belt takes the part with the thin carbon dust layer into a slurry pond through continuous rotation, and thus collection is carried out.
Description
Technical field
The present invention relates to a kind of graphite treatment device, in particularly a kind of graphite, extract the integrated device of CNT, belong to
In new energy materialses preparation field.
Background technology
Graphene is emerging nano-carbon material, since being found from 2004, has caused the wide of scientific circles and industrial quarters
General concern.He has the two dimensional crystal structure of uniqueness and high charge migration speed, and it also has that specific surface area is big, changes simultaneously
Learn the advantages of stable in properties, high light transmittance, high mechanical properties it is considered to be there being one of material of application prospect most.CNT
It is also a kind of new one-dimensional material with carbon element with nanoscale, have complete molecular structure, have similar with Graphene
Much superior electrical and mechanical performances.Aforementioned bi-material is combined and can produce a lot of advantages, such as: CNT
The electron transport between Graphene connection can be improved, Graphene increased the conductive path of carbon pipe, so that electric conductivity is significantly carried
High；CNT forms network structure, can increase compound system light transmission；Carbon pipe can fill the space of Graphene, increases
Density of material and space occupancy, beneficial to the volume capacity improving lithium battery；CNT can improve the appearance of composite
Amount, Graphene improves cyclical stability；Ratio between rational allocation Graphene and CNT, can directly adjust compound
The performance of system.For example, weber in 2003 etc. (j appl polym sci., 2003,88,112.) proposes carbon fiber
Combine with graphite and improve the overall thermal conductivity of material, mo song in 2008 etc. (adv.mater.2008,20,
1706) graphene oxide of CNT and reduction is combined and prepares the electrically conducting transparent characteristic that nesa coating improves material.
The article of the methods and applications being combined Graphene and CNT in recent years and report are a lot, its main method bag
Include direct ultrasonic disperse to be combined, and using chemical vapor deposition (cvd), CNT is grown on graphene film substrate.But
It is that it all has certain defect, such as: be combined with carbon pipe using oxidoreduction Graphene (rgo), due to rgo knot itself
Structure is destroyed, poorly conductive, is unfavorable for the electric conductivity of whole system；And adopting ultrasonic disperse, the control of comparative example is no
Method accurately, and the two compound will not be closely；Postscript, is grown it is impossible to obtain the powder of mixed system using cvd method,
Yield poorly and with high costs, have very big restriction to the application promoting this material.
As a kind of 201010206466.9 automatic spheroidization device for producing spherical graphite, mainly by Automatic-feeding
Device, powder body system and nodularization system, fume recovery system and material collection system are constituted, and material enters from automatic feeder
Powder body system, sequentially enters nodularization system and material collection system after process, the whole sealing pipeline that passes through sequentially is carried out, by negative pressure
Air exhauster offer power, efficiency high in production process, pollution-free.The present invention enables from feed, powder body, nodularization, separation, product
Reclaim the Automatic Control reclaiming with dust, the granule of prepared graphite powder is spherical, and the surface of graphite powder has opening, vibration density
Degree, specific surface area and particle size distribution all can produce according to the setting value before producing, steady quality, and yield can improve more than 3 times, section
Energy more than 40%, reduces cost more than 60%, no dust leakage, noise is little, although this preparation method make use of natural scale pair
Graphite implements collision, shearing, gas current friction, curling, reunion, closely knit, but the graphite granule obtaining is larger, in middle bulky grain graphite
The Graphene of upper acquirement and content of carbon nanotubes are less, and purity is low.
Content of the invention
The technical problem to be solved in the invention is for above-mentioned the deficiencies in the prior art, and provides in a kind of graphite and extract
The integrated device of CNT.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
Extract the integrated device of CNT in a kind of graphite, obtain dress including graphite dust gasifying device and CNT preparation
Put, described graphite dust gasifying device includes the tube structure that top is opening, if arranging on inwall at described tube structure opening
Dry milling driving wheel, described scroll wheel is polygonized structure, and some described scroll wheels are identical height level, and some scroll wheels hold
Load is provided with shake disk, described shake disk has dust hole, the face that shake disk is contacted with graphite block is additionally provided with abrasion
Device；Described shake disk bottom is provided with filtration fraction, and described filtration fraction includes one-level filter mesh layer, secondary screen layer and three-level
Filter mesh layer, described one-level filter mesh layer, secondary screen layer and three-level filter mesh layer are equipped with the filter opening passing through for graphite powder, first-level filtering
The filter opening of stratum reticulare, secondary screen layer and three-level filter mesh layer from large to small, is additionally provided with sand Water spray mouth above described filtration fraction,
It is additionally provided with drying unit below filtration fraction；Described CNT is prepared acquisition device and is included graphite dust solution pool, graphite
Dust solution pool is located at three-level filter mesh layer bottom, and described graphite dust solution pool bottom is provided with to have and controls discharge function
Floating pipe, at the mouth of pipe of described floating pipe, setting condensation head, floating pipe is additionally provided with for driving floating pipe to enter
The actuating arm of row reciprocating movement, is provided with circulation friction mechanism below described floating pipe, described circulation friction mechanism includes two
Individual rotating wheel, the rotating wheel setting friction crawler belt described in around two, two rotating wheels carry dynamic friction crawler belt to rotate jointly, described
The upper surface of friction crawler belt is contacted with condensation head, is provided with slurry pool, fills in described slurry pool at the lower surface of friction crawler belt
Cleanout fluid, the lower surface immersion cleanout fluid of friction crawler belt, actuating arm drives floating pipe enterprising in the continuous friction crawler belt rotating
Row reciprocating friction, the frost with graphite powder on condensation head is embrocated completely on friction crawler belt.
As further preferred version, inwall at described tube structure opening is provided with four scroll wheels, four
Scroll wheel is equally spaced, and described scroll wheel is triangle or pentagon.
As further preferred version, above described one-level filter mesh layer, secondary screen layer and three-level filter mesh layer respectively
It is provided with a sand Water spray mouth.
As further preferred version, described wear device is several Saw blades being distributed in shake panel surface,
The interlaced setting of several Saw blades.
As further preferred version, in described slurry pool, it is provided with bubble jet pipe, described bubble jet pipe direction is rubbed
Wipe crawler belt injection bubble.
As further preferred version, at the mouth of pipe of described bubble jet pipe, it is provided with flexible brush, described flexibility hair
Brush contact friction crawler belt under the bubbles entrain of bubble jet pipe injection.
As further preferred version, the graphite powder that described condensation head intermittent cooling freezing floating pipe discharges
Dirt solution.
Beneficial effect
Compared with prior art, extract the integrated device of CNT in a kind of graphite of the present invention, change in the past to graphite
Directly carry out rolling the mode of extruding, in the way of wearing and tearing, dust formation, and the filtration through multilamellar are carried out to graphite, obtain
Carbon dust is also finer and smoother, has prevented the conventional plant equipment physics to Graphene therein or CNT that rolls energetically and has done
Disturb, reduce the generation of amorphous carbon, carry out fast quickly cooling using the graphite dust solution that condensation head is released to floating pipe controlled-release is released
Freeze, the graphite dust solution of freezing constantly rubs friction crawler belt under the driving of actuating arm, and graphite dust is on friction crawler belt
Leave thin carbon dust layer, friction crawler belt passing through continuous rotation, the part with thin carbon dust layer being brought into slurry pool, thus carrying out
Collect, specifically have the advantage that
1. there is high vibration in the rotation of scroll wheel in shake disk, makes the graphite block on shake disk can constantly clash into friction mill
Damage device, the little particle graphite of formation and dust then can be fallen by dust hole.
2. pass through the progressively filtration of one-level filter mesh layer, secondary screen layer and three-level filter mesh layer, finally can obtain granularity
The minimum graphite granule of little, impurity, this graphite granule is the optimum feed stock being processed further obtaining Graphene and CNT.
3. sand Water spray mouth carries the water of fine sand to filtration fraction injection, strengthens to graphite granule on every metafiltration stratum reticulare
Wash away, promote to filter, prevent graphite dust suspension in the air to run off, and using fine sand, graphite granule can be carried out secondary
Abrasion.
4. drying unit can by the graphite granule remaining on one-level filter mesh layer, secondary screen layer and three-level filter mesh layer and
Fine sand is dried, and is easy to taking-up and is reentered into shake disk carry out secondary operations process.
5. graphite dust solution is frozen into the ice cube of parcel condensation head by condensation head, becomes relatively using after liquid solidification
Harder ice cube solid, the graphite dust in stabilized graphite dust solution, rubs on friction crawler belt, compares graphite dust straight
Connect friction and can ensure that every graphite granule can all rub, be not in indivedual graphite granules because effectively unfixing
Get up or unbalance stress and could not fully be rubbed, thus producing a large amount of little particle graphite, and friction crawler belt formed one layer
The Graphene containing in one layer of thin carbon dust layer and content of carbon nanotubes are just of a relatively high, and little particle graphite and impurity are just relatively
Few.
6. thin carbon dust layer in layer can be included slurry pool by the cleanout fluid in slurry pool, coordinate bubble jet pipe, profit
Produce the thrust in all directions with the shock of bubble and friction crawler belt, further thin carbon dust layer is poured slurry pool, bubble is not
Excessive Physical Interference can be carried out to the Graphene in thin carbon dust layer and CNT it is ensured that the thing of Graphene and CNT
Reason form, and flexible brush can scrub friction crawler belt under the promotion of bubble further, improves and washes away effect to thin carbon dust layer
Rate.
Brief description
Fig. 1 is the structural representation of graphite dust gasifying device；
Fig. 2 is the structural representation that CNT prepares acquisition device；
Wherein, 1- tube structure, 2- scroll wheel, 3- shake disk, 4- dust hole, 5- wear device, 6- one-level filter mesh layer, bis- grades of 7-
Filter mesh layer, 8- three-level filter mesh layer, 9- sand Water spray mouth, 10- drying unit, 11- graphite dust solution pool, 12- floating pipe,
13- condenses head, 14- actuating arm, 15- rotating wheel, 16- friction crawler belt, 17- slurry pool, 18- bubble jet pipe, 19- flexible brush.
Specific embodiment
Describe the preferred technical solution of the present invention below in conjunction with the accompanying drawings in detail.
As illustrated, extracting the integrated device of CNT in a kind of graphite of the present invention, including graphite dust gasifying device
Prepare acquisition device with CNT；
Described graphite dust gasifying device includes the tube structure 1 that top is opening, and inwall at described tube structure 1 opening is arranged
Some scroll wheels 2, described scroll wheel 2 is polygonized structure, and some described scroll wheels 2 are identical height level, some rollings
Carry on wheel 2 and be provided with shake disk 3, some scroll wheels 2 lead to roll rotational, drive shake disk 3 to vibrate, on described shake disk 3
There is dust hole 4, the face that shake disk 3 is contacted with graphite block is additionally provided with wear device 5；
Described shake disk 3 bottom is provided with filtration fraction, and described filtration fraction includes one-level filter mesh layer 6, secondary screen layer 7 and three
Level filter mesh layer 8, described one-level filter mesh layer 6, secondary screen layer 7 and three-level filter mesh layer 8 are equipped with the filter opening passing through for graphite powder,
From large to small, three-level filter mesh layer 8 bottom has graphite powder to the filter opening of one-level filter mesh layer 6, secondary screen layer 7 and three-level filter mesh layer 8
Dirt solution pool 11, is additionally provided with sand Water spray mouth 9, is additionally provided with drying unit below filtration fraction above described filtration fraction
10.
Four scroll wheels 2 are provided with inwall at described tube structure 1 opening, four scroll wheels 2 are equally spaced, described rolling
Driving wheel 2 is triangle or pentagon.
It is respectively arranged with a sand Water spray mouth above described one-level filter mesh layer 6, secondary screen layer 7 and three-level filter mesh layer 8
9.
Described wear device 5 is several Saw blades being distributed in shake disk 3 surface, and several Saw blades are interlaced to be set
Put.
The aperture in described dust hole 4 is 1mm-3mm.
Described CNT is prepared acquisition device and is included graphite dust solution pool 11, described graphite dust solution pool 11 bottom
It is provided with and there is the floating pipe 12 controlling discharge function, floating pipe 12 is generally equipped with water flow control valve, described activity
At the mouth of pipe of pipeline 12, setting condensation 13, floating pipe 12 is additionally provided with for driving floating pipe 12 to carry out reciprocating movement
Actuating arm 14, be provided with circulation friction mechanism below described floating pipe 12, described circulation friction mechanism include two rotation
Wheel 15, the rotating wheel 15 setting friction crawler belt 16 described in around two, two rotating wheels 15 carry dynamic friction crawler belt 16 to rotate jointly,
The upper surface of described friction crawler belt 16 is contacted with condensation 13, is provided with slurry pool 17 at the lower surface of friction crawler belt 16, described
Cleanout fluid, the lower surface immersion cleanout fluid of friction crawler belt 16 is filled, actuating arm 14 drives floating pipe 12 not in slurry pool 17
Carry out reciprocating friction on the disconnected friction crawler belt 16 rotating, the frost with graphite powder in condensation 13 is embrocated completely and carries out in friction
On band 16.
It is provided with bubble jet pipe 18, described bubble jet pipe 18 is towards friction crawler belt 16 injection bubble in described slurry pool 17.
It is provided with flexible brush 19, described flexible brush 19 sprays in bubble jet pipe 18 at the mouth of pipe of described bubble jet pipe 18
Bubbles entrain under contact friction crawler belt 16.
The graphite dust solution that the intermittent freezing floating pipe 12 of lowering the temperature of described condensation 13 discharges.
The above, only the application preferably specific embodiment, but the protection domain of the application is not limited thereto,
Any those familiar with the art in the technical scope that the application discloses, the change or replacement that can readily occur in,
All should cover within the protection domain of the application.Therefore, the protection domain of the application should be with scope of the claims
It is defined.
Claims (7)
1. in a kind of graphite, extract the integrated device of CNT it is characterised in that: include graphite dust gasifying device and carbon nanometer
For acquisition device, described graphite dust gasifying device includes the tube structure (1) that top is opening, described tube structure (1) for control
Some scroll wheels (2) are arranged on inwall at opening, described scroll wheel (2) is polygonized structure, some described scroll wheels (2) are
Identical height level, the upper carrying of some scroll wheels (2) is provided with shake disk (3), and described shake disk (3) has dust hole (4),
Shake disk (3) is additionally provided with wear device (5) on the upper face contacting with graphite block；Described shake disk (3) bottom is provided with filtration
Part, described filtration fraction includes one-level filter mesh layer (6), secondary screen layer (7) and three-level filter mesh layer (8), described one-level filter screen
The filter opening passing through for graphite powder is equipped with layer (6), secondary screen layer (7) and three-level filter mesh layer (8), one-level filter mesh layer (6), two
The filter opening of level filter mesh layer (7) and three-level filter mesh layer (8) from large to small, is additionally provided with sand Water spray mouth above described filtration fraction
(9), it is additionally provided with drying unit (10) below filtration fraction；Described CNT is prepared acquisition device and is included graphite dust solution
Pond (11), graphite dust solution pool (11) is located at three-level filter mesh layer (8) bottom, the setting of described graphite dust solution pool (11) bottom
Have and there is the floating pipe (12) controlling discharge function, setting condensation head (13) at the mouth of pipe of described floating pipe (12), live
Actuating arm (14) for driving floating pipe (12) to carry out reciprocating movement, described floating pipe are additionally provided with dynamic pipeline (12)
(12) it is provided with circulation friction mechanism below, described circulation friction mechanism includes two rotating wheels (15), around described in two
Rotating wheel (15) setting friction crawler belt (16), two rotating wheels (15) common band dynamic friction crawler belt (16) rotate, and described friction is carried out
The upper surface of band (16) is contacted with condensation head (13), is provided with slurry pool (17), described slurry at the lower surface of friction crawler belt (16)
Cleanout fluid, the lower surface immersion cleanout fluid of friction crawler belt (16) is filled, actuating arm (14) drives floating pipe in liquid pool (17)
(12) carry out reciprocating friction on the continuous friction crawler belt (16) rotating, the upper frost with graphite powder of head (13) will be condensed complete
Embrocate in friction crawler belt (16).
2. in a kind of graphite according to claim 1 extract CNT integrated device it is characterised in that: described cylinder
Four scroll wheels (2) are provided with inwall at structure (1) opening, four scroll wheels (2) are equally spaced, described scroll wheel (2) is
Triangle or pentagon.
3. in a kind of graphite according to claim 1 extract CNT integrated device it is characterised in that: described one-level
It is respectively arranged with sand Water spray mouth (9) above filter mesh layer (6), secondary screen layer (7) and three-level filter mesh layer (8).
4. in a kind of graphite according to claim 1 extract CNT integrated device it is characterised in that: described abrasion
Device (5) is several Saw blades being distributed in shake disk (3) surface, the interlaced setting of several Saw blades.
5. in a kind of graphite according to claim 1 extract CNT integrated device it is characterised in that: described serosity
It is provided with bubble jet pipe (18), described bubble jet pipe (18) is towards friction crawler belt (16) injection bubble in pond (17).
6. in a kind of graphite according to claim 5 extract CNT integrated device it is characterised in that: described bubble
It is provided with flexible brush (19), the bubble band that described flexible brush (19) is sprayed in bubble jet pipe (18) at the mouth of pipe of jet pipe (18)
Dynamic lower contact friction crawler belt (16).
7. in a kind of graphite according to claim 1 extract CNT integrated device it is characterised in that: described condensation
The graphite dust solution that intermittent cooling freezing floating pipe (12) of head (13) discharges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610772668.7A CN106365145A (en) | 2016-08-31 | 2016-08-31 | Integrative device for extracting carbon nano tube in graphite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610772668.7A CN106365145A (en) | 2016-08-31 | 2016-08-31 | Integrative device for extracting carbon nano tube in graphite |
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| CN106365145A true CN106365145A (en) | 2017-02-01 |
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Application publication date: 20170201 |