CN106241774A - A kind of industrial mass production device extracting CNT from graphite - Google Patents
A kind of industrial mass production device extracting CNT from graphite Download PDFInfo
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- CN106241774A CN106241774A CN201610774900.0A CN201610774900A CN106241774A CN 106241774 A CN106241774 A CN 106241774A CN 201610774900 A CN201610774900 A CN 201610774900A CN 106241774 A CN106241774 A CN 106241774A
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- graphite
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Abstract
The invention discloses a kind of industrial mass production device extracting CNT from graphite, scroll wheel has shake dish, shake dish has wear device；Shake dish bottom is provided with filtration fraction, and graphite dust solution pool has has floating pipe, is provided with circulation friction mechanism below floating pipe, and segregation apparatus includes separation container, is provided with suction pipe in separation container.Compared with prior art, the present invention carries out dust formation to graphite in the way of abrasion, the carbon dust obtained after filtration is the finest and the smoothest, reduce the generation of amorphous carbon, further with condensation head, graphite dust solution is carried out quick freezing, freezing graphite dust solution is continuous friction to friction crawler belt under the driving driving arm, graphite dust leaves thin carbon dust layer on friction crawler belt, friction crawler belt will bring slurry pool into the part of thin carbon dust layer, the thin carbon dust layer collected enters separation container, obtains Graphene and CNT.
Description
Technical field
The present invention relates to a kind of graphite treatment processing unit (plant), a kind of industrial from graphite, extract CNT
Mass production device, belongs to new energy materials preparation field.
Background technology
Graphene is emerging nano-carbon material, since within 2004, being found, 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 advantage such as stable in properties, high light transmittance, high mechanical properties it is considered to be one of material having application prospect most.CNT
Also it is a kind of novel one-dimensional material with carbon element with nanoscale, has complete molecular structure, have similar with Graphene
The most superior electrical and mechanical performance.Aforementioned bi-material is combined and can produce a lot of advantages, such as: CNT
Can improve the electron transport between Graphene connection, Graphene adds the conductive path of carbon pipe, makes electric conductivity significantly carry
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, be beneficial to improve the volume capacity of lithium battery；CNT can improve the appearance of composite
Amount, Graphene improves cyclical stability；Ratio between rational allocation Graphene and CNT, can directly regulate compound
The performance of system.Such as, Weber in 2003 etc. (J Appl Polym Sci., 2003,88,112.) propose carbon fiber
Combine with graphite and improve the thermal conductivity that material is overall, Mo Song in 2008 etc. (Adv.Mater.2008,20,
1706) graphene oxide of CNT and reduction is combined prepare nesa coating improve material electrically conducting transparent characteristic.
In recent years by a lot of to article and the report of methods and applications compound to Graphene and CNT, its main method bag
Include direct ultrasonic disperse to be combined, and utilize chemical vapor deposition (CVD) to grow CNT in graphene film substrate.But
It is that it all exists certain defect, such as: use oxidoreduction Graphene (rGO) to be combined with carbon pipe, owing to rGO itself ties
Structure is destroyed, poorly conductive, is unfavorable for the electric conductivity of whole system；And use ultrasonic disperse, the control nothing of comparative example
Method is accurate, and the two compound will not be closely；Postscript, uses the growth of CVD method, it is impossible to obtain the powder of mixed system,
Yielding poorly and with high costs, the application to promoting this material has the biggest restriction.
Such as a kind of automatic spheroidization device for producing spherical graphite of 201010206466.9, mainly filled by Automatic-feeding
Put, powder body system and nodularization system, fume recovery system and material collection system are constituted, and material enters powder from automatic feeder
System is united, and sequentially enters nodularization system and material collection system after process, and whole process is sequentially carried out by sealing pipeline, negative pressure take out
Blower fan provides power, and in production process, efficiency is high, pollution-free.The present invention can realize returning from feed, powder body, nodularization, separation, product
Receiving and the Automatic Control of dust recovery, the granule preparing 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 productivity can improve more than 3 times, joint
Energy more than 40%, reduces cost more than 60%, and without dust leakage, noise is little, although this preparation method make use of natural scale pair
Graphite implement collision, shearing, gas current friction, crimp, reunite, closely knit, but the graphite granule obtained is relatively greatly, at middle bulky grain graphite
Graphene and the content of carbon nanotubes of upper acquirement are less, and purity is low.
Summary of the invention
The technical issues that need to address of the present invention are for above-mentioned the deficiencies in the prior art, and provide a kind of and carry from graphite
Take the chain equipment of CNT.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of industrial mass production device extracting CNT from graphite, prepares including graphite dust gasifying device and CNT
Acquisition device, described graphite dust gasifying device includes the tube structure that top is opening, on described tube structure opening part inwall
Arranging some scroll wheels, described scroll wheel is polygonized structure, and some described scroll wheels are identical level height, some rollings
On wheel, carrying is provided with shake dish, described shake dish has dust hole, the face that shake dish contacts with graphite block also sets up
There is wear device；Described shake dish bottom is provided with filtration fraction, and described filtration fraction includes first-level filtering stratum reticulare, secondary screen layer
With three grades of filter mesh layers, described first-level filtering stratum reticulare, secondary screen layer and three grades of filter mesh layers are equipped with the filter opening passed through for graphite powder,
From large to small, described filtration fraction is arranged above sand water to the filter opening of first-level filtering stratum reticulare, secondary screen layer and three grades of filter mesh layers
Mouth spray, is additionally provided with drying unit below filtration fraction；Described CNT is prepared acquisition device and is included graphite dust solution
Pond, graphite dust solution pool is positioned at three grades of filter mesh layer bottoms, and described graphite dust solution pool bottom is provided with has control current
The floating pipe of amount function, arranges condensation head, floating pipe is additionally provided with for driving work at the mouth of pipe of described floating pipe
Dynamic pipeline carries out the driving arm of reciprocating movement, is provided with circulation friction mechanism, described circulation rubbing machine below described floating pipe
Structure includes that two rotate wheel, arranges friction crawler belt around two described rotation wheels, and two rotate the common band dynamic friction crawler belt of wheel
Rotating, the upper surface of described friction crawler belt contacts with condensation head, is provided with slurry pool, described serosity at the lower surface of friction crawler belt
Filling cleanout fluid in pond, the lower surface of friction crawler belt immerses cleanout fluid, drives arm straps to move floating pipe in the friction constantly rotated
Carry out reciprocating friction on crawler belt, will embrocate completely on friction crawler belt with the frost of graphite powder on condensation head；Described slurry pool
Being additionally provided with outward segregation apparatus, described segregation apparatus includes the separation container connecting slurry pool, described separation container center
Being provided with rotating shaft, described rotating shaft is provided with stirring paddle, be provided with suction pipe in separation container, described suction pipe is along the end of separation container
Portion and limit wall are arranged, and suction pipe is positioned at bottom separation container and is provided with sucker in the part of limit wall lower position.
As further preferred version, described tube structure opening part inwall 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 first-level filtering stratum reticulare, secondary screen layer and three grades of filter mesh layers 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, being provided with bubble jet pipe in described slurry pool, described bubble jet pipe is towards rubbing
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 flexible hair
Brush contact friction crawler belt under the bubbles entrain of bubble jet pipe injection.
As further preferred version, the graphite powder that the freezing floating pipe of described condensation head intermittence cooling discharges
Dirt solution.
Beneficial effect
Compared with prior art, a kind of industrial mass production device extracting CNT from graphite of the present invention, change with
The past mode that graphite directly rolls extruding, carries out dust formation in the way of abrasion to graphite, and through the mistake of multilamellar
Filter, the carbon dust obtained is the finest and the smoothest, has stopped conventional plant equipment rolling Graphene therein or carbon nanometer energetically
The Physical Interference of pipe, reduces the generation of amorphous carbon, utilizes condensation head that floating pipe controls the graphite dust solution discharged
Carrying out quick freezing, freezing graphite dust solution is continuous friction to friction crawler belt under the driving driving arm, and graphite dust exists
Leaving thin carbon dust layer on friction crawler belt, friction crawler belt, by constantly rotating, will bring serosity into the part of thin carbon dust layer
Pond, thus be collected, and separation container is separated by internal rotating, can be by CNT or part Graphene and other things
Matter is distinguished, it is simple to utilizes suction pipe to collect, specifically has the advantage that
1. shake dish is at the rotation generation high vibration of scroll wheel, makes the graphite block on shake dish can constantly clash into friction mill
Damage device, the little granular graphite of formation and dust then can be fallen by dust hole.
2., by first-level filtering stratum reticulare, secondary screen layer and the progressively filtration of three grades of filter mesh layers, finally can obtain granularity
The graphite granule that little, impurity is minimum, this graphite granule is the optimum feed stock being processed further obtaining Graphene and CNT.
3. sand Water spray mouth is to filtration fraction injection with the water of fine sand, strengthens graphite granule on every metafiltration stratum reticulare
Wash away, promote to filter, prevent from graphite dust suspension air runs off, and can utilize fine sand that graphite granule is carried out secondary
Abrasion.
4. drying unit can by the graphite granule remained on first-level filtering stratum reticulare, secondary screen layer and three grades of filter mesh layers and
Fine sand is dried, it is simple to taking-up is reentered into shake dish and carries out secondary operations process.
5. graphite dust solution is frozen into the ice cube of parcel condensation head by condensation head, becomes relative after utilizing 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, do not have indivedual graphite granule because of the most fixing
Get up or unbalance stress and could not fully be rubbed, thus produce a large amount of little granular graphite, and form one layer at friction crawler belt
The Graphene and the content of carbon nanotubes that contain in the thin carbon dust layer of a layer are the most of a relatively high, and little granular graphite and impurity are the most relatively
Few.
6. thin carbon dust layer in layer can be included in slurry pool by the cleanout fluid in slurry pool, coordinates bubble jet pipe, profit
By the thrust clashed in generation all directions of bubble with friction crawler belt, further thin carbon dust layer being poured slurry pool, bubble is not
Graphene in thin carbon dust layer and CNT can be carried out too much Physical Interference, it is ensured that Graphene and the thing of CNT
Reason form, and flexible brush can scrub friction crawler belt under the promotion of bubble further, improves and thin carbon dust layer is washed away effect
Rate.
7. it is greater than superfine graphite particle, Nano carbon balls, amorphous carbon due to the granularity of CNT and part Graphene
Deng impurity, the most after centrifugation, CNT and the bigger Graphene of part can separate the lower part concentrating on separation container
At the wall of limit and bottom, uses suction pipe quickly to collect and can obtain the higher CNT of purity and Graphene.
Accompanying drawing explanation
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 dish, 4-dust hole, 5-wear device, 6-first-level filtering stratum reticulare, 7-bis-grades
Filter mesh layer, tri-grades of filter mesh layers of 8-, 9-sand Water spray mouth, 10-drying unit, 11-graphite dust solution pool, 12-floating pipe,
13-condenses head, and 14-drives arm, and 15-rotates wheel, and 16-rubs crawler belt, 17-slurry pool, 18-bubble jet pipe, 19-flexible brush,
20-separation container, 21-rotating shaft, 22-stirring paddle, 23-suction pipe, 24-sucker.
Detailed description of the invention
Describe the preferred technical solution of the present invention below in conjunction with the accompanying drawings in detail.
As it can be seen, a kind of industrial mass production device extracting CNT from graphite of the present invention, including graphite powder
Dirt gasifying device and CNT prepare acquisition device；
Described graphite dust gasifying device includes the tube structure 1 that top is opening, and described tube structure 1 opening part inwall is arranged
Some scroll wheels 2, described scroll wheel 2 is polygonized structure, and some described scroll wheels 2 are identical level height, some rollings
On wheel 2, carrying is provided with shake dish 3, and some scroll wheels 2 lead to roll rotational, drives shake dish 3 to vibrate, on described shake dish 3
There is dust hole 4, the face that shake dish 3 contacts with graphite block is additionally provided with wear device 5；
Described shake dish 3 bottom is provided with filtration fraction, and described filtration fraction includes first-level filtering stratum reticulare 6, secondary screen layer 7 and three
Level filter mesh layer 8, described first-level filtering stratum reticulare 6, secondary screen layer 7 and three grades of filter mesh layers 8 are equipped with the filter opening passed through for graphite powder,
From large to small, three grades of filter mesh layer 8 bottoms have graphite powder to the filter opening of first-level filtering stratum reticulare 6, secondary screen layer 7 and three grades of filter mesh layers 8
Dirt solution pool 11, described filtration fraction is arranged above sand Water spray mouth 9, is additionally provided with drying unit below filtration fraction
10。
Being provided with four scroll wheels 2 on described tube structure 1 opening part inwall, four scroll wheels 2 are equally spaced, described rolling
Driving wheel 2 is triangle or pentagon.
A sand Water spray mouth it is respectively arranged with above described first-level filtering stratum reticulare 6, secondary screen layer 7 and three grades of filter mesh layers 8
9。
Described wear device 5 is several Saw blades being distributed in shake dish 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
Condensation 13 is set at the mouth of pipe of pipeline 12, floating pipe 12 is additionally provided with for driving floating pipe 12 to carry out reciprocating movement
Driving arm 14, be provided with circulation friction mechanism below described floating pipe 12, described circulation friction mechanism includes two rotations
Wheel 15, arranges friction crawler belt 16 around two described rotation wheels 15, and two rotate wheel 15 common band dynamic friction crawler belts 16 and rotate,
The upper surface of described friction crawler belt 16 contacts with condensation 13, is provided with slurry pool 17 at the lower surface of friction crawler belt 16, described
Filling cleanout fluid in slurry pool 17, the lower surface of friction crawler belt 16 immerses cleanout fluid, drives arm 14 to drive floating pipe 12 not
Carry out reciprocating friction on the disconnected friction crawler belt 16 rotated, frost with graphite powder in condensation 13 is embrocated completely and carries out in friction
On band 16；
Being additionally provided with segregation apparatus outside described slurry pool 17, described segregation apparatus includes the separation container 20 connecting slurry pool 17,
Described separation container 20 center is provided with rotating shaft 21, described rotating shaft 21 is provided with stirring paddle 22, sets in separation container 20
Being equipped with suction pipe 23, described suction pipe 23 is arranged along the bottom of separation container 20 and limit wall, suction pipe 23 be positioned at bottom separation container 20 and
It is provided with sucker 24 in the part of limit wall lower position.
Being provided with bubble jet pipe 18 in described slurry pool 17, described bubble jet pipe 18 sprays bubble towards friction crawler belt 16.
Being provided with flexible brush 19 at the mouth of pipe of described bubble jet pipe 18, described flexible brush 19 sprays at bubble jet pipe 18
Bubbles entrain under contact friction crawler belt 16.
The graphite dust solution that the freezing floating pipe 12 of the intermittent cooling of described condensation 13 discharges.
The above, only the application preferably detailed description of the invention, 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 that can readily occur in or replacement,
All should contain within the protection domain of the application.Therefore, the protection domain of the application should be with scope of the claims
It is as the criterion.
Claims (7)
1. the industrial mass production device extracting CNT from graphite, it is characterised in that: include graphite dust gasifying device
Preparing acquisition device with CNT, described graphite dust gasifying device includes the tube structure (1) that top is opening, described cylinder
Arranging some scroll wheels (2) on structure (1) opening part inwall, described scroll wheel (2) is polygonized structure, some described rollings
Wheel (2) is identical level height, and the upper carrying of some scroll wheels (2) is provided with shake dish (3), and described shake dish (3) has powder
Dirt hole (4), shake dish (3) is additionally provided with wear device (5) on the upper face contacted with graphite block；Described shake dish (3) bottom sets
Being equipped with filtration fraction, described filtration fraction includes first-level filtering stratum reticulare (6), secondary screen layer (7) and three grades of filter mesh layers (8), described
The filter opening passed through for graphite powder, one-level filter screen it is equipped with on first-level filtering stratum reticulare (6), secondary screen layer (7) and three grades of filter mesh layers (8)
From large to small, described filtration fraction is arranged above sand water to the filter opening of layer (6), secondary screen layer (7) and three grades of filter mesh layers (8)
Mouth spray (9), is additionally provided with drying unit (10) below filtration fraction；Described CNT is prepared acquisition device and is included graphite powder
Dirt solution pool (11), graphite dust solution pool (11) is positioned at three grades of filter mesh layer (8) bottoms, under described graphite dust solution pool (11)
Portion is provided with has the floating pipe (12) controlling discharge function, arranges condensation head at the mouth of pipe of described floating pipe (12)
(13), floating pipe (12) is additionally provided with for driving floating pipe (12) to carry out the driving arm (14) of reciprocating movement, described
Floating pipe (12) lower section is provided with circulation friction mechanism, and described circulation friction mechanism includes that two rotate wheel (15), around two
Individual described rotation wheel (15) arranges friction crawler belt (16), and two rotate common band dynamic friction crawler belt (16) of wheel (15) and rotate, institute
The upper surface stating friction crawler belt (16) contacts with condensation head (13), is provided with slurry pool at the lower surface of friction crawler belt (16)
(17), filling cleanout fluid in described slurry pool (17), the lower surface of friction crawler belt (16) immerses cleanout fluid, drives arm (14) to drive
Floating pipe (12) carries out reciprocating friction on the friction crawler belt (16) constantly rotated, and will condense on head (13) with graphite powder
Frost is embrocated completely in friction crawler belt (16)；Segregation apparatus, described segregation apparatus bag it is additionally provided with outside described slurry pool (17)
Including the separation container (20) of connection slurry pool (17), described separation container (20) center is provided with rotating shaft (21), described turn
Being provided with stirring paddle (22) on axle (21), be provided with suction pipe (23) in separation container (20), described suction pipe (23) is along separation container
(20) bottom and limit wall are arranged, and suction pipe (23) is positioned in the part of separation container (20) bottom and limit wall lower position and is provided with
Sucker (24).
A kind of industrial mass production device extracting CNT from graphite the most according to claim 1, it is characterised in that:
Being provided with four scroll wheels (2) on described tube structure (1) opening part inwall, four scroll wheels (2) are equally spaced, described rolling
Wheel (2) is triangle or pentagon.
A kind of industrial mass production device extracting CNT from graphite the most according to claim 1, it is characterised in that:
Described first-level filtering stratum reticulare (6), secondary screen layer (7) and three grades of filter mesh layer (8) tops are respectively arranged with a sand Water spray mouth
(9).
A kind of industrial mass production device extracting CNT from graphite the most according to claim 1, it is characterised in that:
Described wear device (5) is several Saw blades being distributed in shake dish (3) surface, the interlaced setting of several Saw blades.
A kind of industrial mass production device extracting CNT from graphite the most according to claim 1, it is characterised in that:
Being provided with bubble jet pipe (18) in described slurry pool (17), described bubble jet pipe (18) is towards friction crawler belt (16) injection bubble.
A kind of industrial mass production device extracting CNT from graphite the most according to claim 5, it is characterised in that:
Being provided with flexible brush (19) at the mouth of pipe of described bubble jet pipe (18), described flexible brush (19) sprays at bubble jet pipe (18)
Bubbles entrain under contact friction crawler belt (16).
A kind of industrial mass production device extracting CNT from graphite the most according to claim 1, it is characterised in that:
The graphite dust solution that the freezing floating pipe (12) of the intermittent cooling of described condensation head (13) discharges.
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| CN201610774900.0A CN106241774A (en) | 2016-08-31 | 2016-08-31 | A kind of industrial mass production device extracting CNT from graphite |
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| CN201610774900.0A CN106241774A (en) | 2016-08-31 | 2016-08-31 | A kind of industrial mass production device extracting CNT from graphite |
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