CN106167257B - The pipe with small pipe diameter CNT purification system of energy recovery - Google Patents
The pipe with small pipe diameter CNT purification system of energy recovery Download PDFInfo
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- CN106167257B CN106167257B CN201610763448.8A CN201610763448A CN106167257B CN 106167257 B CN106167257 B CN 106167257B CN 201610763448 A CN201610763448 A CN 201610763448A CN 106167257 B CN106167257 B CN 106167257B
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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
- C01P2006/80—Compositional purity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The pipe with small pipe diameter CNT purification system of energy recovery, including fluid reaction bed, acid storage tank, grinder, two heat exchangers and two filter presses, the acid vapors of the fluid reaction bed discharge are passed through heat exchanger, the acid coolant of the heat exchanger discharge is passed through acid storage tank, the pipe with small pipe diameter CNT crude product solution of the fluid reaction bed discharge is passed through another heat exchanger, pipe with small pipe diameter CNT crude product solution after being cooled down by heat exchanger is passed through filter press, the acid solution of the filter press discharge is passed through acid storage tank, the pipe with small pipe diameter CNT crude product cake of press of the filter press discharge is sent into grinder, pipe with small pipe diameter CNT crude product solution after the grinder grinding is passed through next filter press, obtain finished product pipe with small pipe diameter CNT.The present invention, the heat energy in fluid reaction bed are fully utilized, and the heat energy reacted in the acid vapors of release is absorbed by jacketed type exchanger, and the heat energy plate type heat exchanger in pipe with small pipe diameter CNT crude product solution absorbs.
Description
Technical field
The present invention relates to the pipe with small pipe diameter CNT purification system of energy recovery, belong to CNT production technical field.
Background technology
CNT is a kind of tubular nanometer material being made up of carbon atom.Tube wall contains multilayer carbon atom and is referred to as more walls
CNT（MWNT）, it is referred to as single-walled carbon nanotube containing single layer of carbon atom（SWNT）.CNT is since being found, and one
It is directly of interest as researcher using its unique structure and excellent performance.Novel conductive/high-strength meet material, electronic device,
Catalyst carrier material etc. has potential application prospect.
The preparation technology of CNT mainly has：Arc discharge method, laser ablation method, chemical vapour deposition technique, solid-phase thermal
Solution, flame synthesis, electric glow discharge method and polymerisation synthetic method etc..Wherein, the application of chemical vapour deposition technique (CVD)
The most extensively, this method is to allow gaseous alkanes by being attached with the template of catalyst granules, under conditions of 600~1200 DEG C,
Gaseous hydrocarbon decomposes generation CNT.One outstanding advantages of this method are that Residual reactants are gas, may exit off reaction
System, the higher CNT of purity is obtained, while temperature also need not be very high, comparatively saves energy.However, CVD
Method need to use transition-metal catalyst, and such as Fe, Co, Ni and its alloy are as catalyst.This causes prepared carbon nanometer
Often the metal impurities containing high level, the presence of metal impurities can directly affect performance and the application of CNT in pipe.
The technique that metal impurities are removed from CNT is referred to as purifying.CNT can produce during purification reaction
Acid mist and spent acid.At present, acid mist and spent acid not only cause problem of environmental pollution, and increase all without by recycling
Production cost.
Inventor has found by retrieval：Application No. 201510466039.7, entitled CNT method of purification,
The patent discloses a kind of CNT method of purification, and the CNT method of purification mainly includes the following steps that：A, in fixation
After the completion of bed or fluid unit are prepared during CNT or prepared, reducing gas and/or inert gas are passed through, is specially
Hydrogen and/or carbon dioxide, the temperature of reaction for 100 DEG C -800 DEG C it
Between, the reaction time is 3-60 minutes, and gas flow rate is between 0.06m3/h-1000m3/h；B, stop being passed through
Reducing gas, room temperature is dropped in the protection of inert gas, inert gas is nitrogen and/or argon gas, that is, obtains purity as 99.5%
CNT above.CNT method of purification of the present invention can remove impurity on the premise of carbon pipe is not injured, and have
The advantages that technique is simple, simple to operate, and purification efficiency is high and cost is relatively low, it is adapted to the CNT purification of industrial mass.
But in the patent, can not be fully whole by the oxidizing gas in fixed bed or fluid unit after being passed through inert gas
Exclude, in fact, it is difficult to accomplish that CNT can be cooled down in reducing gas and/or inert gas without by autoxidation,
The purity of CNT is caused not reach more than 99.5%.
Inventor also found by retrieval：Application No. 201210476918.4, a kind of entitled purified carbon nanometer
The method of pipe, the invention discloses a kind of method of purifying carbon nano-tube, it is comprised the steps of：Extracted using soxhlet extraction
Impurity in CNT crude product：First extracted with acid with strong oxidizing property, then extracted with deionized water.The purifying carbon nano-tube of the invention
Method with the acid with strong oxidizing property purifying carbon nano-tube of boiling temperature is in, handling process is simple, processing time is short, eliminates and takes out
Filter, centrifugation etc. process and substantially increase the efficiency of purifying carbon nano-tube；Purification process damaged to caused by CNT it is small, it is pure
CNT after change is heat-resist and has good reactivity and compatibility；And acid can be reclaimed and recycled, greatly
Resource is saved greatly.Although the patent describes the partial impurities removed in CNT crude product, but have no mention of how
The impurity in acid with strong oxidizing property and deionized water is separated, it can be reused, is unfavorable for industrial mass production application.
The content of the invention
In order to solve above-mentioned problem, the invention discloses a kind of pipe with small pipe diameter CNT of energy recovery to purify system
System, its concrete technical scheme are as follows：
The pipe with small pipe diameter CNT purification system of energy recovery, it is characterized in that including fluid reaction bed, acid storage tank, grinding
Machine, two heat exchangers and two filter presses, the fluid reaction bed is used for pipe with small pipe diameter carbon nanometer tube material powder and acid solution is carried out
The place of reaction, one of them described heat exchanger are used for acid vapors caused by cooling fluid reaction bed, another described heat exchange
Device is used for pipe with small pipe diameter CNT crude product solution caused by cooling fluid reaction bed, and the acid storage tank is cold for storing acid vapors
But the acid solution that the acid solution and filter press obtained squeezes out, the filter press are used to extrude pipe with small pipe diameter CNT crude product
In liquid, the grinder be used for by pipe with small pipe diameter CNT crude product impurity remove,
The acid vapors of the fluid reaction bed discharge are passed through heat exchanger, and the acid coolant of the heat exchanger discharge is passed through
Acid storage tank, the pipe with small pipe diameter CNT crude product solution of the fluid reaction bed discharge is passed through another heat exchanger, cold by heat exchanger
But the pipe with small pipe diameter CNT crude product solution after is passed through filter press, and the acid solution of the filter press discharge is passed through acid storage tank, institute
The pipe with small pipe diameter CNT crude product cake of press for stating filter press discharge is sent into grinder, the pipe with small pipe diameter carbon nanometer after the grinder grinding
Pipe crude product solution is passed through next filter press, obtains finished product pipe with small pipe diameter CNT.
The heat exchanger for cooling down the pipe with small pipe diameter CNT crude product solution from reaction bed selects plate type heat exchanger.
The heat exchanger for cooling down acid vapors selects jacketed type exchanger, and the jacketed type exchanger includes container
And chuck, the chuck are enclosed in bottom and the surrounding of container, leave space between the chuck and container, the chuck it is upper
End is provided with steam inlet, and the lower end of the chuck is provided with cooling liquid outlet, and the top of the container is provided with liquid outlet, institute
The bottom for stating container is provided with inlet,
Sour gas from fluid reaction bed is entered in chuck from steam inlet, is formed by the cooling effect of chuck
Coolant, and from cooling liquid outlet discharge, be passed into acid storage tank, injected in the container in cooling jacket gas it is molten
Liquid, the bottom liquid inlet mouth of the solution from container in the container enter, and are discharged from the liquid outlet of container top.
Agitating device, the agitating device central actuating shaft are provided with the container, the central actuating shaft penetrates
Chuck is extend into container, and is stretched out from the top of container, and the central actuating shaft surrounding is provided with several paddles, some
The individual paddle is evenly distributed on the horizontal surrounding of central actuating shaft, and the paddle is in the longitudinal direction of central actuating shaft
Rectangular patch, each offer several parallel bar holes, any limit of the bar hole and paddle on the paddle
Tilt.
The paddle has several in the longitudinal direction of central actuating shaft, and longitudinally adjacent paddle mutually staggers,
Not at grade, the bar hole angle of inclination arbitrarily up and down or on horizontally adjacent paddle is different.
The jacketed type exchanger is filled in underground, and the steam inlet flushes with ground, the top of the central actuating shaft
Motor is connected via drive in end.
The inlet and cooling liquid outlet are located at around the bottom of central actuating shaft, and the liquid outlet is located at centre-driven
Beside the top of axle.
Air pump is provided with the acid storage tank, the air pump conveys air into acid storage tank from the bottom of acid storage tank, is used for
Acid solution in acid storage tank is well mixed.
The present invention operation principle be：
The present invention, pipe with small pipe diameter carbon nanometer tube material powder and acid solution chemically react on fluid reaction bed, and generation is small
Caliber CNT, acid mist can be produced in the course of reaction, be directly discharged in air, not only pollute environment, while waste
Work raw material, acid mist is passed into heat exchanger, and acid mist is cooled into acid solution, then the acid solution is passed into acid storage tank, adjustment acid
The PH of acid solution in storage tank, you can reuse.
The pipe with small pipe diameter CNT crude product solution generated on fluid reaction bed also contains very high heat energy, directly washes off
Impurity, it will fall the thermal waste in pipe with small pipe diameter CNT crude product solution, the present invention is small by what is obtained on fluid reaction bed
Caliber CNT crude product solution absorbs heat energy therein by heat exchanger first, is then input to filter press again, and filter press squeezes
The acid solution gone out is also transported to acid storage tank, treats that industry reuses.Handle to obtain filter cake by filter press, be then put into the filter cake
In grinder, non-oxidizing acid is added, the metal impurities on pipe with small pipe diameter CNT crude product surface are rinsed out, the acid solution is also passed into
Into acid storage tank, industrial application again is treated.After the removal of impurity being obtained in grinder, more clean pipe with small pipe diameter CNT.
The beneficial effects of the invention are as follows：
1. of the invention, the heat energy in fluid reaction bed is fully utilized, and the heat energy reacted in the acid vapors of release is pressed from both sides
Shell type heat exchanger absorbs, and the heat energy plate type heat exchanger in pipe with small pipe diameter CNT crude product solution absorbs；
2. the present invention, acid solution are recovered, industrial application again is treated, avoids the wasting of resources, the acidity of fluid reaction bed release
Steam, which is cooled, forms acid solution, and acid solution recycles after being extruded by filter press in pipe with small pipe diameter CNT crude product solution；
3. it is of the invention, air pump is provided with acid storage tank, air pump conveys air into acid storage tank from the bottom of acid storage tank, can incite somebody to action
Acid solution in acid storage tank is well mixed, and is advantageous to the PH of accurate adjustment acid solution；
4. the present invention, the soil heat exchanging device that jacketed type exchanger is filled around underground, jacketed type exchanger have insulation
Effect, for sour gas in chuck, heat energy fully improves the heat energy profit in sour gas fully by the liquid absorption in container
With rate, industrial heat energy is avoided to waste；
5. it is of the invention, agitating device is provided with jacketed type exchanger, agitating device flows the liquid agitation in container,
The liquid contacted with chamber wall is imitated in constantly flow regime, the heat exchange for increasing the liquid in the gas and container in chuck
Rate, heat exchange efficiency is improved, also improve heat energy and be absorbed and used rate；
6. the present invention, bar hole is provided with paddle, in paddle rotary course, liquid passes through from bar hole, shape
Into turbulent flow, when liquid passes through from the bar hole of next paddle, to change direction again, and liquid is stirred leaf and promotes court
Chamber wall flows, and liquid flowing is more uniform,
7. the present invention, the bar hole angle of inclination arbitrarily up and down or on horizontally adjacent paddle is different, increases liquid
The heat exchange of the scrambling of flowing, liquid and chamber wall is more uniform.
Brief description of the drawings
Fig. 1 is the connection relationship diagram of the present invention,
Fig. 2 is the structural representation of the jacketed type exchanger of the present invention,
Fig. 3 be the A-A of the jacketed type exchanger of the present invention to section view,
Reference numerals list：1-central actuating shaft, 2-liquid outlet, 3-container, 4-steam inlet, 5-chuck, 6-
Paddle, 7-bar hole, 8-inlet, 9-cooling liquid outlet.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.It should be understood that following embodiments are only
For illustrating the present invention rather than limitation the scope of the present invention.
Fig. 1 is the connection relationship diagram of the present invention, and visible with reference to accompanying drawing, the pipe with small pipe diameter CNT of this energy recovery carries
Pure lines system, it is characterized in that anti-including fluid reaction bed, acid storage tank, grinder, two heat exchangers and two filter presses, the fluid
The place that bed is used for pipe with small pipe diameter carbon nanometer tube material powder and acid solution is reacted is answered, one of them described heat exchanger is used to cool down
Acid vapors caused by fluid reaction bed, another described heat exchanger are used for pipe with small pipe diameter carbon nanometer caused by cooling fluid reaction bed
Pipe crude product solution, the acid solution and filter press that the acid storage tank obtains for storing acid vapors to cool down squeeze out sour molten
Liquid, the filter press are used to extrude the liquid in pipe with small pipe diameter CNT crude product, and the grinder is used for pipe with small pipe diameter carbon nanometer
Impurity in pipe crude product removes.
The acid vapors of the fluid reaction bed discharge are passed through heat exchanger, and the acid coolant of the heat exchanger discharge is passed through
Acid storage tank, the pipe with small pipe diameter CNT crude product solution of the fluid reaction bed discharge is passed through another heat exchanger, cold by heat exchanger
But the pipe with small pipe diameter CNT crude product solution after is passed through filter press, and the acid solution of the filter press discharge is passed through acid storage tank, institute
The pipe with small pipe diameter CNT crude product cake of press for stating filter press discharge is sent into grinder, the pipe with small pipe diameter carbon nanometer after the grinder grinding
Pipe crude product solution is passed through next filter press, obtains finished product pipe with small pipe diameter CNT.The acid vapors quilt of fluid reaction bed discharge
Being stored after heat exchanger cooling by acid storage tank, treat industrial application again, filter press extrudes the acid solution in pipe with small pipe diameter CNT crude product,
Grinder cleaning removes the impurity on pipe with small pipe diameter CNT crude product, and the pipe with small pipe diameter CNT crude product of fluid reaction bed discharge is molten
Heat energy in liquid is also absorbed by heat exchanger, treats industrial application, improves the reclamation rate of heat energy, reduces industrial heat energy and wastes.
The heat exchanger for cooling down the pipe with small pipe diameter CNT crude product solution from reaction bed selects plate type heat exchanger.
Plate type heat exchanger is easy to the heat exchange between two kinds of fluids.
Fig. 2 is the structural representation of the jacketed type exchanger of the present invention, and Fig. 3 is the A-A of the jacketed type exchanger of the present invention
Visible with reference to accompanying drawing to section view, the heat exchanger for cooling down acid vapors selects jacketed type exchanger, the chuck
Formula heat exchanger includes container 3 and chuck 5, and the chuck 5 is enclosed in bottom and the surrounding of container 3, the chuck 5 and container 3 it
Between leave space, the upper end of the chuck 5 is provided with steam inlet 4, and the lower end of the chuck 5 is provided with cooling liquid outlet 9, institute
The top for stating container 3 is provided with liquid outlet 2, and the bottom of the container 3 is provided with inlet 8, the acidity from fluid reaction bed
Gas is entered in chuck 5 from steam inlet 4, and coolant is formed by the cooling effect of chuck 5, and from the row of cooling liquid outlet 9
Go out, be passed into acid storage tank, inject the solution for gas in cooling jacket 5 in the container 3, the solution in the container 3
Enter from the bottom liquid inlet mouth 8 of container 3, discharged from the liquid outlet 2 at the top of container 3.Chuck 5 cools down for steam, is put in container 3
Put cooling solution, steam is cooled into liquid, and the heat in steam is by liquid absorption in container 3, steam and the liquid in container 3
Flow direction is on the contrary, improve heat exchanger effectiveness.
Agitating device, the agitating device central actuating shaft 1 are provided with the container 3, the central actuating shaft 1 runs through
Cross chuck 5 to extend into container 3, and stretched out from the top of container 3, the surrounding of central actuating shaft 1 is provided with several stirrings
Leaf 6, several paddles 6 are evenly distributed on the horizontal surrounding of central actuating shaft 1, and the paddle 6 is in central actuating shaft 1
The rectangular sheet of longitudinal direction, offer several parallel bar holes 7 on each paddle 6, the bar hole 7 with
Any limit of paddle 6 tilts.Paddle 6 can flow the liquid agitation in container 3, and liquid internal carries out heat exchange,
Avoid the fluid temperature close to the wall of container 3 high, the fluid temperature at the close center of container 3 is low, and the liquid allowed in container 3 can fully be inhaled
Receive heat energy.
The paddle 6 has several in the longitudinal direction of central actuating shaft 1, and longitudinally adjacent paddle 6 is mutually wrong
Open, not at grade, the angle of inclination of bar hole 7 arbitrarily up and down or on horizontally adjacent paddle 6 is different.Enhancing is held
The scrambling that liquid flows in device 3, the liquid internal heat energy allowed in container 3 are fully dispersed uniformly.
The jacketed type exchanger is filled in underground, and the steam inlet 4 flushes with ground, the central actuating shaft 1
Motor is connected via drive in top.Avoid the heat energy in heat exchanger by diffusion in atmosphere, soil again heat exchanger week
Fixation is enclosed to be ignorant of, and the good heat insulating of soil, after soil is heated to predetermined temperature by chuck 5, the heat energy in steam
Just fully by the liquid absorption in container 3.
The inlet 8 and cooling liquid outlet 9 are located at around the bottom of central actuating shaft 1, and the liquid outlet 2 is located at center
Beside the top of drive shaft 1.Ensure that the longitudinal center of central actuating shaft 1 from the heat exchanger of chuck 5 passes through.
Air pump is provided with the acid storage tank, the air pump conveys air into acid storage tank from the bottom of acid storage tank, is used for
Acid solution in acid storage tank is well mixed.In the presence of air stream, air stream agitates the acid solution in acid storage tank effect, acid
Liquid is in continuous turbulence state, is conveniently adjusted to obtain accurate pH value.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, in addition to
Formed technical scheme is combined by above technical characteristic.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (8)
1. the pipe with small pipe diameter CNT purification system of energy recovery, it is characterized in that including fluid reaction bed, acid storage tank, grinder,
Two heat exchangers and two filter presses, the fluid reaction bed is used for pipe with small pipe diameter carbon nanometer tube material powder and acid solution is reacted
Place, one of them described heat exchanger is used for acid vapors caused by cooling fluid reaction bed, and another described heat exchanger is used
In pipe with small pipe diameter CNT crude product solution caused by cooling fluid reaction bed, the acid storage tank cools down for storing acid vapors
To the acid solution that squeezes out of acid solution and filter press, the filter press is used to extrude in pipe with small pipe diameter CNT crude product
Liquid, the grinder are used to remove the impurity in pipe with small pipe diameter CNT crude product,
The acid vapors of the fluid reaction bed discharge are passed through heat exchanger, and the acid coolant of the heat exchanger discharge is passed through sour storage
Tank, the pipe with small pipe diameter CNT crude product solution of the fluid reaction bed discharge is passed through another heat exchanger, after being cooled down by heat exchanger
Pipe with small pipe diameter CNT crude product solution be passed through filter press, the acid solution of the filter press discharge is passed through acid storage tank, the pressure
The pipe with small pipe diameter CNT crude product cake of press of filter discharge is sent into grinder, and the pipe with small pipe diameter CNT after the grinder grinding is thick
Product solution is passed through next filter press, obtains finished product pipe with small pipe diameter CNT.
2. the pipe with small pipe diameter CNT purification system of energy recovery according to claim 1, it is characterized in that coming for cooling down
The heat exchanger of the pipe with small pipe diameter CNT crude product solution of autoreaction bed selects plate type heat exchanger.
3. the pipe with small pipe diameter CNT purification system of energy recovery according to claim 1, it is characterized in that for cooling down acid
The heat exchanger of property steam selects jacketed type exchanger, and the jacketed type exchanger includes container and chuck, the chuck bag
Bottom and the surrounding of container are trapped among, space is left between the chuck and container, the upper end of the chuck is provided with steam inlet,
The lower end of the chuck is provided with cooling liquid outlet, and the top of the container is provided with liquid outlet, and the bottom of the container is set
There is inlet, the sour gas from fluid reaction bed is entered in chuck from steam inlet, passes through the cooling effect shape of chuck
Discharged into coolant, and from cooling liquid outlet, be passed into acid storage tank, injected in the container for gas in cooling jacket
Solution, the bottom liquid inlet mouth of the solution from container in the container enter, and are discharged from the liquid outlet of container top.
4. the pipe with small pipe diameter CNT purification system of energy recovery according to claim 3, it is characterized in that in the container
Agitating device is provided with, the agitating device is provided with central actuating shaft, and the central actuating shaft penetrates chuck and extend into appearance
In device, and stretched out from the top of container, the central actuating shaft surrounding is provided with several paddles, several described paddles
Be evenly distributed on the horizontal surrounding of central actuating shaft, the paddle central actuating shaft the rectangular sheet of longitudinal direction, often
Several parallel bar holes are offered on the individual paddle, any limit of the bar hole and paddle tilts.
5. the pipe with small pipe diameter CNT purification system of energy recovery according to claim 4, it is characterized in that the paddle
There are several in the longitudinal direction of central actuating shaft, and longitudinally adjacent paddle mutually staggers, not at grade, arbitrarily
Bar hole angle of inclination up and down or on horizontally adjacent paddle is different.
6. the pipe with small pipe diameter CNT purification system of energy recovery according to claim 4, it is characterized in that the jacket type
Heat exchanger is filled in underground, and the steam inlet flushes with ground, and the top of the central actuating shaft is connected via drive
Motor.
7. the pipe with small pipe diameter CNT purification system of energy recovery according to claim 5, it is characterized in that the inlet
And cooling liquid outlet is located at around the bottom of central actuating shaft, the liquid outlet is located at beside the top of central actuating shaft.
8. the pipe with small pipe diameter CNT purification system of energy recovery according to claim 1, it is characterized in that the acid storage tank
In be provided with air pump, the air pump conveys air into acid storage tank from the bottom of acid storage tank, for the acid solution in acid storage tank to be mixed
Close uniform.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763448.8A CN106167257B (en) | 2016-08-31 | 2016-08-31 | The pipe with small pipe diameter CNT purification system of energy recovery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610763448.8A CN106167257B (en) | 2016-08-31 | 2016-08-31 | The pipe with small pipe diameter CNT purification system of energy recovery |
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| CN106167257A CN106167257A (en) | 2016-11-30 |
| CN106167257B true CN106167257B (en) | 2018-01-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100080748A1 (en) * | 2008-09-30 | 2010-04-01 | Joo Hee Han | Continuous method and apparatus of purifying carbon nanotubes |
| CN104176723A (en) * | 2014-08-07 | 2014-12-03 | 无锡东恒新能源科技有限公司 | Small-tube-diameter carbon nano-tube purification device and small-tube-diameter carbon nano-tube purification method |
| CN206089047U (en) * | 2016-08-31 | 2017-04-12 | 无锡东恒新能源科技有限公司 | Heat recovery's tubule footpath carbon nanotube purification system |
-
2016
- 2016-08-31 CN CN201610763448.8A patent/CN106167257B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100080748A1 (en) * | 2008-09-30 | 2010-04-01 | Joo Hee Han | Continuous method and apparatus of purifying carbon nanotubes |
| CN104176723A (en) * | 2014-08-07 | 2014-12-03 | 无锡东恒新能源科技有限公司 | Small-tube-diameter carbon nano-tube purification device and small-tube-diameter carbon nano-tube purification method |
| CN206089047U (en) * | 2016-08-31 | 2017-04-12 | 无锡东恒新能源科技有限公司 | Heat recovery's tubule footpath carbon nanotube purification system |
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| CN106167257A (en) | 2016-11-30 |
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