CN106185876A - The reaction unit of a kind of band heat treatment and the method preparing CNT - Google Patents
The reaction unit of a kind of band heat treatment and the method preparing CNT Download PDFInfo
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- CN106185876A CN106185876A CN201610776499.4A CN201610776499A CN106185876A CN 106185876 A CN106185876 A CN 106185876A CN 201610776499 A CN201610776499 A CN 201610776499A CN 106185876 A CN106185876 A CN 106185876A
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- heat treatment
- carbon nano
- composite bed
- reaction unit
- carbon
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
Abstract
The present invention relates to the reaction unit of a kind of band heat treatment, comprising: a reative cell, described reative cell includes an air inlet and a gas outlet, one growth substrate, described growth substrate is arranged in reative cell, between described air inlet and gas outlet, and at least one microflow channels, and its one end is connected with this air inlet, its other end be passed through for carbon nano tube growth with carbon source gas and this carbon source is carried out predissociation；And a heater, in order to add thermal dissociation to by the carbon source gas of this microflow channels, growth substrate includes a cylindrical frame and the carbon nano-tube catalyst composite bed being wrapped on cylindrical frame, cylindrical frame is rotatably arranged on inside reative cell, the central rotating shaft of cylindrical frame is perpendicular to airflow direction, having multiple micropore on carbon nano-tube catalyst composite bed, the micropore that the present invention is arranged by columned carbon nano-tube catalyst composite bed and helical form can make CNT along with obtaining more preferable growing environment in rotary course.
Description
Technical field
The present invention relates to the reaction unit of a kind of band heat treatment, and the method preparing CNT.
Background technology
CNT is a kind of new one-dimensional nano material just found the early 1990s.The special construction of CNT is certainly
Determine it and there is special character, such as high-tensile and high thermal stability；Along with the change of CNT spiral way, carbon is received
Mitron can present metallicity or semiconductive etc..
Owing to CNT has preferable one-dimentional structure and the character excellent in fields such as mechanics, electricity, calorifics, its
Wide application prospect has been shown, in scientific research and industry at interdisciplinary fields such as material science, chemistry, physicss
Also receive more and more attention in application.At present using carbon nano tube structure as growth substrate, it is applied in reactor growth
New structure is increasingly becoming new study hotspot, gradually attracts wide attention.
But, owing in carbon nano tube structure, CNT self-condition limits, as less in size etc., how to arrange described
Carbon nano tube structure and its be always difficult to the difficult problem that overcomes as growth substrate the structure that makes new advances in superficial growth.
In prior art, 201210587684.0 provide a kind of reactor, comprising: a reative cell, described reative cell
Including an air inlet and a gas outlet, reacting gas is passed through from described air inlet and flows to described gas outlet, farther includes a carbon
Nano tube catalyst composite bed is rotationally arranged at inside reative cell, and this carbon nano-tube catalyst composite bed has multiple micro-
Hole, makes described reacting gas pass in flow process in reative cell by the rotation of described carbon nano-tube catalyst composite bed
Multiple micropores of described carbon nano-tube catalyst composite bed, by employing carbon nanotube layer as growth substrate, due to described carbon
CNT in nanotube layer is uniformly distributed and has bigger specific surface area, and described carbon nanotube layer has multiple sky
Gap, therefore catalyst granules can be firmly fixed and is deposited on described carbon nanotube layer surface or embeds described carbon nanotube layer
In, and make reacting gas run through described carbon nanotube layer such that it is able to effectively prevent it from reuniting, and the reaction efficiency improved.
But owing to the carbon nano-tube catalyst composite bed of said structure is single geometry, can not be uniform in the rotary course of place
And the carbon-source gas that is filled with reflection indoor react, so the morphological differences that the CNT causing a position grows up to
Greatly, industrial demand is not met.
Summary of the invention
For drawbacks described above, the invention provides a kind of reaction unit and the method for growth CNT of band heat treatment,
The carbon nano-tube material little to obtain morphological differences, concrete scheme is as follows:
A kind of reaction unit of band heat treatment, comprising: a reative cell, described reative cell includes an air inlet and a gas outlet,
One growth substrate, described growth substrate is arranged in reative cell, between described air inlet and gas outlet, at least one miniflow
Pipe, the diameter scope of microflow channels is 100～1000 microns, and its one end is connected with this air inlet, and its other end is passed through
For carbon nano tube growth with carbon source gas and this carbon source is carried out predissociation；And a heater, in order to by this miniflow
The carbon source gas of pipe carries out adding thermal dissociation, and described growth substrate includes a cylindrical frame and the carbon nanometer being wrapped on cylindrical frame
Pipe catalyst composite bed, described cylindrical frame is rotatably arranged on inside reative cell, and the central rotating shaft of described cylindrical frame hangs down
Straight have multiple micropore in airflow direction on described carbon nano-tube catalyst composite bed, described micropore is at carbon nano-tube catalyst
Helically the linear alignment on composite bed, makes described reacting gas in reaction by the rotation of described carbon nano-tube catalyst composite bed
Through multiple micropores of described carbon nano-tube catalyst composite bed during indoor moveable.
Carbon nano-tube catalyst composite bed described further includes carbon nanotube layer and catalyst granules, described catalyst particles
Grain is dispersed in described carbon nanotube layer surface.
Catalyst granules described further embeds in the micropore of carbon nanotube layer.
Cylindrical frame described further is rotated in a clockwise direction.
Cylindrical frame material described further is aluminum pottery.
Farther include the first electrode and the second electrode gap arranges and is electrically connected with described carbon nano-tube catalyst composite bed
Connect.
Heater described further is a high temperature furnace, and it is surrounded on microflow channels.
A kind of method that reaction unit using described band heat treatment prepares CNT, mainly includes following
Step: the reaction unit of band heat treatment as mentioned is provided；Be passed through in the reaction unit of described band heat treatment carbon-source gas with
The mixed gas of carrier gas；Rotate described carbon nano-tube catalyst composite bed and heat described carbon nano-tube catalyst composite bed with life
Long CNT.
Relative to prior art, the cylindrical carbon nano tube catalyst composite bed in the present invention can be at rotary course all
Gas that is even and that be filled with in reative cell combines, and the growth for the CNT of each position provides the most unified environment, with
Reach to generate the carbon nano-tube material that form is close.
The micropore that further utilization arranges in the shape of a spiral, can drive when rotated and be filled with the gas of reative cell helically
Shape is centered around on carbon nano-tube catalyst composite bed, plays the beneficial effect fully combined with gas.
Accompanying drawing explanation
Fig. 1 is the structure chart of the present invention；
Fig. 2 is cylindrical frame structure chart；
Fig. 3 is the structure chart of multiple setting growth substrate in the reaction chamber.
Reference；1, reative cell；2, air inlet；3, gas outlet；4, growth substrate；5, carbon nano-tube catalyst is combined
Layer；6, micropore；7, the first electrode；8, the second electrode；9, cylindrical frame；10, microflow channels；11, thermal.
Specific examples below will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Reaction unit and the method preparing CNT below in conjunction with Figure of description band a kind of to present invention heat treatment
Further describe.
These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is described the most in a schematic way, and therefore it is the most aobvious
Show the composition relevant with the present invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " on ", D score,
Orientation or the position relationship of the instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
The device or the element that show indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relatively
Importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be bright
Show or implicitly include one or more this feature.In describing the invention, except as otherwise noted, the containing of " multiple "
Justice is two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Adjacent ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；
Can be to be mechanically connected, it is also possible to be electrical connection；Can be direct neighbor, it is also possible to by intermediary indirect neighbor, permissible
It it is the connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term exists with concrete condition
Concrete meaning in the present invention.
Embodiment 1
As it is shown in figure 1, the reaction unit of shown a kind of band heat treatment, comprising: a reative cell 1, described reative cell 1 include into
QI KOU 2 and a gas outlet 3, a growth substrate 4, described growth substrate 4 is arranged in reative cell 1, is positioned at described air inlet 2 and goes out
Between QI KOU 3, at least one microflow channels 10, the diameter scope of this microflow channels 10 is 100～1000 microns, and its one end with should
Air inlet 2 is connected, its other end be passed through for carbon nano tube growth with carbon source gas and this carbon source is carried out predissociation；And one
Heater 11, in order to add thermal dissociation to by the carbon source gas of this microflow channels 10, described heater 11 is a high temperature furnace,
It is surrounded on microflow channels 10, and described growth substrate 4 includes a cylindrical frame 9 and the CNT being wrapped on cylindrical frame 9
Catalyst composite bed 5, it is internal that described cylindrical frame 9 is rotatably arranged on reative cell 1, the central rotating shaft of described cylindrical frame 9
Being perpendicular to airflow direction, described carbon nano-tube catalyst composite bed 5 has multiple micropore 6, described micropore 6 is urged at CNT
Helically the linear alignment on agent composite bed 5, makes described reacting gas by the rotation of described carbon nano-tube catalyst composite bed 5
Passing multiple micropores 6 of described carbon nano-tube catalyst composite bed 5 in reative cell 1 in flow process, described CNT is urged
Agent composite bed 5 includes that carbon nanotube layer and catalyst granules, described catalyst granules are dispersed in described carbon nanotube layer
Surface, described catalyst granules embeds in the micropore of carbon nanotube layer, and described cylindrical frame 9 is rotated in a clockwise direction, described
Cylindrical frame 9 material is aluminum pottery, be spaced including the first electrode 7 and the second electrode 8 arrange and with described carbon nano-tube catalyst
Composite bed 5 electrically connects.
Embodiment 2
A kind of method that CNT prepared by reaction dress using described band heat treatment, mainly comprises the steps that offer one institute
The reaction unit of the band heat treatment stated；The gaseous mixture of carbon-source gas and carrier gas it is passed through in the reaction unit of described band heat treatment
Body；Rotate described carbon nano-tube catalyst composite bed 5 and heat described carbon nano-tube catalyst composite bed 5 to grow carbon nanometer
Pipe.
Embodiment 3
The reaction unit of shown a kind of band heat treatment, comprising: a reative cell 1, described reative cell 1 includes an air inlet 2 and
Gas outlet 3, some growth substrate 4, described growth substrate 4 is arranged in reative cell 1, be positioned at described air inlet 2 and gas outlet 3 it
Between, at least one microflow channels 10, the diameter scope of this microflow channels 10 is 100～1000 microns, and its one end and this air inlet 2
Be connected, its other end be passed through for carbon nano tube growth with carbon source gas and this carbon source is carried out predissociation；And one add hot charging
Putting 11, in order to add thermal dissociation to by the carbon source gas of this microflow channels 10, described heater 11 is a high temperature furnace, its cincture
In microflow channels 10, described growth substrate 4 includes a cylindrical frame 9 and the carbon nano-tube catalyst being wrapped on cylindrical frame 9
Composite bed 5, it is internal that described cylindrical frame 9 is rotatably arranged on reative cell 1, and the central rotating shaft of described cylindrical frame 9 is perpendicular to
Airflow direction, described carbon nano-tube catalyst composite bed 5 has multiple micropore 6, and described micropore 6 is multiple at carbon nano-tube catalyst
Close on layer 5 helically the linear alignment, make described reacting gas in reaction by the rotation of described carbon nano-tube catalyst composite bed 5
Passing multiple micropores 6 of described carbon nano-tube catalyst composite bed 5 in room 1 in flow process, described carbon nano-tube catalyst is multiple
Close layer 5 and include that carbon nanotube layer and catalyst granules, described catalyst granules are dispersed in described carbon nanotube layer surface, institute
Stating in the micropore that catalyst granules embeds carbon nanotube layer, described cylindrical frame 9 is rotated in a clockwise direction, described cylindrical frame
9 materials are aluminum pottery, are spaced including the first electrode 7 and the second electrode 8 and arrange and electric with described carbon nano-tube catalyst composite bed 5
Connect.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a reaction unit for band heat treatment, comprising: a reative cell, described reative cell includes that an air inlet and is given vent to anger
Mouthful, a growth substrate, described growth substrate is arranged in reative cell, and between described air inlet and gas outlet, its feature exists
In, at least one microflow channels, the diameter scope of microflow channels is 100～1000 microns, and its one end is connected with this air inlet,
Its other end be passed through for carbon nano tube growth with carbon source gas and this carbon source is carried out predissociation；And a heater, in order to
Adding thermal dissociation to by the carbon source gas of this microflow channels, described growth substrate includes a cylindrical frame and is wrapped in cylindrical frame
On a carbon nano-tube catalyst composite bed, described cylindrical frame is rotatably arranged on inside reative cell, described cylindrical frame
Central rotating shaft be perpendicular to airflow direction, described carbon nano-tube catalyst composite bed has multiple micropore, described micropore is at carbon
Helically the linear alignment on nano tube catalyst composite bed, by the rotation of described carbon nano-tube catalyst composite bed make described instead
Answer gas that flow process passes in reative cell multiple micropores of described carbon nano-tube catalyst composite bed.
The reaction unit of band heat treatment the most according to claim 1, it is characterised in that described carbon nano-tube catalyst is combined
Layer includes that carbon nanotube layer and catalyst granules, described catalyst granules are dispersed in described carbon nanotube layer surface.
The reaction unit of band heat treatment the most according to claim 2, it is characterised in that described catalyst granules embeds carbon and receives
In the micropore of mitron layer.
The reaction unit of band heat treatment the most according to claim 1, it is characterised in that described cylindrical frame is along side clockwise
To rotation.
The reaction unit of band heat treatment the most according to claim 1, it is characterised in that described cylindrical frame material is aluminum pottery
Porcelain.
The reaction unit of band heat treatment the most according to claim 1, it is characterised in that include the first electrode and the second electrode
Interval arranges and electrically connects with described carbon nano-tube catalyst composite bed.
The reaction unit of band heat treatment the most according to claim 1, it is characterised in that described heater is a high temperature
Stove, it is surrounded on microflow channels.
8. use a preparation method for the CNT of the reaction unit of described band heat treatment, mainly comprise the steps that and carry
Reaction unit for band heat treatment as claimed in any of claims 1 to 7 in one of claims；In the reaction unit of described band heat treatment
It is passed through the mixed gas of carbon-source gas and carrier gas；Rotate described carbon nano-tube catalyst composite bed and heat described CNT and urge
Agent composite bed is to grow CNT.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610776499.4A CN106185876A (en) | 2016-08-31 | 2016-08-31 | The reaction unit of a kind of band heat treatment and the method preparing CNT |
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| CN201610776499.4A CN106185876A (en) | 2016-08-31 | 2016-08-31 | The reaction unit of a kind of band heat treatment and the method preparing CNT |
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Citations (9)
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| CN1903709A (en) * | 2005-07-29 | 2007-01-31 | 鸿富锦精密工业（深圳）有限公司 | Growing device of carbon nano-tube |
| CN1923677A (en) * | 2005-09-02 | 2007-03-07 | 鸿富锦精密工业（深圳）有限公司 | Carbon nano-tube growth apparatus and method |
| CN1931714A (en) * | 2005-09-12 | 2007-03-21 | 鸿富锦精密工业（深圳）有限公司 | Carbon nanotube preparing apparatus and process |
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| CN101092234A (en) * | 2006-06-21 | 2007-12-26 | 清华大学 | Apparatus and method for developing film of Nano carbon tube |
| CN103896245A (en) * | 2012-12-29 | 2014-07-02 | 清华大学 | Reactor and method for growing carbon nanotube |
| CN103896243A (en) * | 2012-12-29 | 2014-07-02 | 清华大学 | Reactor and method for growing carbon nanotubes |
| CN103896244A (en) * | 2012-12-29 | 2014-07-02 | 清华大学 | Reactor and method for growing carbon nanotubes |
| CN206033242U (en) * | 2016-08-31 | 2017-03-22 | 无锡东恒新能源科技有限公司 | Take thermal treatment's reactor |
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2016
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1903709A (en) * | 2005-07-29 | 2007-01-31 | 鸿富锦精密工业（深圳）有限公司 | Growing device of carbon nano-tube |
| CN1923677A (en) * | 2005-09-02 | 2007-03-07 | 鸿富锦精密工业（深圳）有限公司 | Carbon nano-tube growth apparatus and method |
| CN1931714A (en) * | 2005-09-12 | 2007-03-21 | 鸿富锦精密工业（深圳）有限公司 | Carbon nanotube preparing apparatus and process |
| CN1948140A (en) * | 2005-10-13 | 2007-04-18 | 鸿富锦精密工业（深圳）有限公司 | Preparation device of carbon nano-tube and its method |
| CN101092234A (en) * | 2006-06-21 | 2007-12-26 | 清华大学 | Apparatus and method for developing film of Nano carbon tube |
| CN103896245A (en) * | 2012-12-29 | 2014-07-02 | 清华大学 | Reactor and method for growing carbon nanotube |
| CN103896243A (en) * | 2012-12-29 | 2014-07-02 | 清华大学 | Reactor and method for growing carbon nanotubes |
| CN103896244A (en) * | 2012-12-29 | 2014-07-02 | 清华大学 | Reactor and method for growing carbon nanotubes |
| CN206033242U (en) * | 2016-08-31 | 2017-03-22 | 无锡东恒新能源科技有限公司 | Take thermal treatment's reactor |
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Application publication date: 20161207 |
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