CN106185870A - The Carbon nanotube purification system of reuse heat energy - Google Patents
The Carbon nanotube purification system of reuse heat energy Download PDFInfo
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- CN106185870A CN106185870A CN201610768447.2A CN201610768447A CN106185870A CN 106185870 A CN106185870 A CN 106185870A CN 201610768447 A CN201610768447 A CN 201610768447A CN 106185870 A CN106185870 A CN 106185870A
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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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Abstract
The Carbon nanotube purification system of reuse heat energy, including fluid reaction bed, jacketed type exchanger, acid storage tank, pressure filter, stirred tank, grinder and dehydrator, the acid vapors that described fluid reaction bed is discharged is passed through jacketed type exchanger, the acid coolant that described jacketed type exchanger is discharged is passed through acid storage tank, the CNT crude product solution that described fluid reaction bed is discharged is transported to stirred tank after pressure filter filter pressing processes, CNT crude product solution after agitated still processes is transported to grinder, eventually passes drier process and obtains finished product CNT.Described heat exchanger respectively with fluid reaction bed and stirred tank pipeline communication, described acid storage tank and reaction bed pipeline communication.The present invention, the acid solution in acid storage tank is pipelined to fluid reaction bed, and the water after heated in the container in heat exchanger is pipelined to fluid reaction bed and stirred tank, for it.
Description
Technical field
The present invention relates to the Carbon nanotube purification system of reuse heat energy, 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 multilamellar carbon atom and is referred to as many walls
CNT (MWNT), is referred to as SWCN (SWNT) containing monolayer carbon atom.CNT since being found, one
Directly structure and excellent performance with its uniqueness are paid close attention to by researcher.Novel conductive/high-strength meet material, electronic device,
The aspects such as catalyst carrier material have 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 polyreaction synthetic method etc..Wherein, the application of chemical vapour deposition technique (CVD)
The most extensive, the method be 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 be Residual reactants be gas, may exit off reaction
System, obtains the CNT that purity is higher, and temperature also need not the highest simultaneously, saves energy comparatively speaking.But, CVD
Method need to use transition-metal catalyst, if Fe, Co, Ni and alloy etc. thereof are as catalyst.This causes prepared carbon nanometer
Often containing the metal impurities of high level in pipe, the existence of metal impurities can directly affect performance and the application of CNT.
The technique removing metal impurities from CNT is referred to as purification.CNT can produce during purification reaction
Acid mist and spent acid.At present, acid mist and spent acid the most through recycling, not only do not cause problem of environmental pollution, and increase
Production cost.
Inventor finds through retrieval: Application No. 201510466039.7, invention entitled CNT method of purification,
The open a kind of CNT method of purification of this patent, described CNT method of purification mainly comprises the steps that a, fixing
During CNT prepared by bed or fluid unit or after prepare, it is passed through reducing gas and/or noble gas, specially
Hydrogen and/or carbon dioxide, the temperature of reaction be 100 DEG C-800 DEG C it
Between, the response time is 3-60 minute, and gas flow rate is between 0.06m3/h-1000m3/h；B, stopping are passed through reduction
Gas, the protection at noble gas drops to room temperature, and noble gas is nitrogen and/or argon, and i.e. obtaining purity is more than 99.5%
CNT.CNT method of purification of the present invention can have technique Impurity removal on the premise of not injuring carbon pipe
Simply, simple to operate, the advantages such as purification efficiency is high and cost is relatively low, the CNT being suitable for industrial mass purifies.But
In this patent, after being passed through noble gas, can not fully the oxidizing gas in fixed bed or fluid unit all be got rid of
Go out, in fact, be difficult to accomplish that CNT can cool down in reducing gas and/or noble gas and not by autoxidation, cause
The purity of CNT does not reaches more than 99.5%.
Inventor is also found that Application No. 201210476918.4, invention entitled a kind of purified carbon nanometer through retrieval
The method of pipe, a kind of method that the invention discloses purifying carbon nano-tube, it comprises the steps of and utilizes soxhlet extraction to extract
Impurity in CNT crude product: first extract by acid with strong oxidizing property, then use deionized water extraction.The purifying carbon nano-tube of this invention
Method with being in the acid with strong oxidizing property purifying carbon nano-tube of boiling temperature, process that technique is simple, it is short to process the time, eliminate and take out
Filter, the process such as centrifugal and substantially increase the efficiency of purifying carbon nano-tube；The damage that CNT is caused by purification process is little, pure
CNT after change is heat-resist and has good reactivity and the compatibility；And acid can be reclaimed and be recycled, greatly
Save greatly resource.Although this patent describes the partial impurities removed in CNT crude product, but has no mention of how
Separate the impurity in acid with strong oxidizing property and deionized water, it can be reused, is unfavorable for that industrial mass production is applied.
Summary of the invention
In order to solve the problem of above-mentioned existence, the invention discloses the Carbon nanotube purification system of a kind of reuse heat energy, its
Concrete technical scheme is as follows:
The Carbon nanotube purification system of reuse heat energy, including fluid reaction bed, jacketed type exchanger, acid storage tank, pressure filter, stirring
Still, grinder and dehydrator, described fluid reaction bed carries out the place reacted for carbon nanometer tube material powder and acid solution, described
Jacketed type exchanger is for cooling down the acid vapors that fluid reaction bed produces, and it is cold that described acid storage tank is used for storing jacketed type exchanger
But the acid solution obtained, described pressure filter liquid in extruded carbon nanotube crude product, described stirred tank and grinder are used for will
CNT crude product and mixing homogeneously with non-oxidizable acid solution, and rinse out the impurity metal ion in CNT crude product,
Described dehydrator is used for drying CNT,
The acid vapors that described fluid reaction bed is discharged is passed through jacketed type exchanger, and the acidity that described jacketed type exchanger is discharged is cold
But liquid is passed through acid storage tank, and the CNT crude product solution that described fluid reaction bed is discharged is transported to after pressure filter filter pressing processes
Stirred tank, the CNT crude product solution after agitated still processes is transported to grinder, eventually passes drier and process
To finished product CNT.
Described jacketed type exchanger passes through pipeline communication, described acid storage tank and reaction respectively with fluid reaction bed and stirred tank
Bed passes through pipeline communication.
Described jacketed type exchanger includes that container and chuck, described chuck are enclosed in bottom and the surrounding of container, described folder
Leaving space between set and container, be provided with helical wind-guiding track in described space, described helical wind-guiding track is fixed with chuck.
The upper end of described chuck is provided with steam inlet, and described steam inlet is tangent with chuck, and the lower end of described chuck sets
Being equipped with cooling liquid outlet, the top of described container is provided with liquid outlet, and the bottom of described container is provided with inlet,
Acid vapors from fluid reaction bed enters into chuck from steam inlet, forms cooling by the cooling effect of chuck
Liquid, and discharge from cooling liquid outlet, it being passed in acid storage tank, in described container, flowing is passed through acid vapors in cooling jacket
Industry solution.
Described helical wind-guiding track is threaded to cooling liquid outlet from steam inlet, and the height of described helical wind-guiding track is more than
1/2 of space between chuck and container, the consistency of thickness from top to bottom of described helical wind-guiding track.
The Surface coating of described jacketed type exchanger has heat-insulation layer.
Being provided with air pump in described acid storage tank, described air pump carries air from the bottom of acid storage tank to acid storage tank, is used for
By the acid solution mix homogeneously in acid storage tank.
The operation principle of the present invention is:
There is chemical reaction in the present invention, carbon nanometer tube material powder and acid solution on fluid reaction bed, generates CNT, and this is anti-
Acid mist can be produced during Ying, be directly discharged in air, not only pollute environment, waste industrial chemicals simultaneously, acid mist is passed through
In jacketed type exchanger, acid mist is cooled to acid solution, then this acid solution is passed in the first acid storage tank, adjust the first acid storage tank
In the PH of acid solution, can reuse.
The CNT crude product solution generated on fluid reaction bed is input to pressure filter, obtains filter cake, then by this filter cake
It is put in stirred tank, adds non-oxidizing acid, the impurity metal ion on CNT crude product surface is rinsed out, in stirred tank
To CNT crude product be transported to grinder, it is dried that the CNT obtained in grinder entered dehydrator, the most available
Finished product CNT.
The invention has the beneficial effects as follows:
1. the present invention, the acid vapors obtained from fluid reaction bed, after being cooled down by jacket heat-exchanger, it is passed through in acid storage tank,
Using after can being directly adjusted pH value, the total acid solution of CNT crude product solution is also recovered after pressure filter and stirred tank
Utilize；
2. the present invention, is provided with helical wind-guiding track in the chuck in jacketed type exchanger, helical wind-guiding track is in chuck
Acid vapors has guide functions, extends the steam time of staying in chuck, and acid vapors is fully entered with the liquid in container
Row heat exchange, improves heat exchanger effectiveness, improves heat utilization rate；
3. the present invention, the acid solution in acid storage tank is pipelined to fluid reaction bed, being heated in the container in heat exchanger
After water be pipelined to fluid reaction bed and stirred tank, for it；
4. the present invention, is provided with air pump in acid storage tank, and air pump carries air from the bottom of acid storage tank to acid storage tank, can acid be stored up
Acid solution mix homogeneously in tank, is conducive to accurately adjusting the PH of acid solution；
5. the present invention, the Surface coating of jacketed type exchanger has heat-insulation layer, and the heat energy in acid vapors in chuck is fully held
Liquid in device absorbs, and fully improves the heat utilization rate in sour gas, it is to avoid industrial heat energy is wasted.
Accompanying drawing explanation
Fig. 1 is the annexation schematic diagram of the present invention,
Fig. 2 is the structural representation of the jacketed type exchanger of the present invention,
Reference numerals list: 1 liquid outlet, 2 containers, 3 steam inlets, 4 chucks, 5 helical wind-guiding tracks, 6 enter
Liquid mouth, 7 cooling liquid outlets.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, it is further elucidated with the present invention.It should be understood that following detailed description of the invention is only
For the present invention being described rather than limiting the scope of the present invention.
Fig. 1 is the annexation schematic diagram of the present invention, visible in conjunction with accompanying drawing, the Purification of Carbon Nanotubes system of this reuse heat energy
System, including fluid reaction bed, jacketed type exchanger, acid storage tank, pressure filter, stirred tank, grinder and dehydrator, described fluid is anti-
Answering bed to carry out the place reacted for carbon nanometer tube material powder and acid solution, described jacketed type exchanger is used for cooling down fluid reaction
The acid vapors that bed produces, the acid solution that described acid storage tank obtains for storing jacketed type exchanger to cool down, described pressure filter is used for
Liquid in extruded carbon nanotube crude product, described stirred tank and grinder are for by CNT crude product and molten with non-oxidizing acid
Liquid mix homogeneously, and rinse out the impurity metal ion in CNT crude product, described dehydrator is for drying CNT.
The acid vapors that described fluid reaction bed is discharged is passed through jacketed type exchanger, the acid that described jacketed type exchanger is discharged
Property coolant be passed through acid storage tank, described fluid reaction bed discharge CNT crude product solution through pressure filter filter pressing process after defeated
Delivering to stirred tank, the CNT crude product solution after agitated still processes is transported to grinder, eventually passes at drier
Reason obtains finished product CNT.
Described heat exchanger respectively with fluid reaction bed and stirred tank pipeline communication, described acid storage tank and fluid reaction bed pipeline
Connection.Acid storage tank in acid solution be pipelined to fluid reaction bed, for its, in heat exchanger be heated after water bronze drum
Pipeline is transported to fluid reaction bed and stirred tank, for it.
Fig. 2 is the structural representation of the jacketed type exchanger of the present invention, visible in conjunction with accompanying drawing, described jacketed type exchanger bag
Including container 2 and chuck 4, described chuck 4 is enclosed in bottom and the surrounding of container 2, leaves space between described chuck 4 and container 2,
Being provided with helical wind-guiding track 5 in described space, described helical wind-guiding track 5 is fixed with chuck 4.Helical wind-guiding track 5 for
Acid vapors in chuck 4 has certain cushioning effect, it is to avoid steam vertically declines, not with container 2 sufficient heat exchange, with
Time, helical wind-guiding track 5 has guide effect to acid vapors, extends the time of contact of acid vapors and container 2, increases contact
Area, improves the completeness of heat exchange.
The upper end of described chuck 4 is provided with steam inlet 3, and described steam inlet 3 is tangent with chuck 4, described chuck 4 times
End is provided with cooling liquid outlet 7, and the top of described container 2 is provided with liquid outlet 1, and the bottom of described container 2 is provided with inlet
6。
Acid vapors from fluid reaction bed enters into chuck 4 from steam inlet 3, by the cooling effect of chuck 4
Form coolant, and discharge from cooling liquid outlet 7, be passed in acid storage tank, described container 2 flow and is passed through for cooling jacket
The industry solution of acid vapors in 4.
Described helical wind-guiding track 5 is threaded to cooling liquid outlet 7, the height of described helical wind-guiding track 5 from steam inlet 3
More than 1/2 of the space between chuck 4 and container 2, the consistency of thickness from top to bottom of described helical wind-guiding track 5.Acid
Property steam-energy enters in helical wind-guiding track 5 smoothly.
The Surface coating of described jacketed type exchanger has heat-insulation layer.The heat energy in acid vapors in chuck 4 is fully held
Liquid in device 2 absorbs, and fully improves the heat utilization rate in sour gas, it is to avoid industrial heat energy is wasted.
Being provided with air pump in described acid storage tank, described air pump carries air from the bottom of acid storage tank to acid storage tank, is used for
By the acid solution mix homogeneously in acid storage tank.Under the effect of air stream, the acid solution in acid storage tank is agitated effect by air stream, acid
Liquid is in continuous turbulence state, it is simple to adjusts and obtains 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, also includes
The technical scheme being made up of above technical characteristic combination in any.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Entirely can carry out various change and amendment in the range of without departing from this invention technological thought.The technology of this invention
The content that property scope is not limited in description, it is necessary to determine its technical scope according to right.
Claims (7)
1. the Carbon nanotube purification system of reuse heat energy, it is characterized in that including fluid reaction bed, jacketed type exchanger, acid storage tank,
Pressure filter, stirred tank, grinder and dehydrator, described fluid reaction bed reacts for carbon nanometer tube material powder and acid solution
Place, described jacketed type exchanger for cool down fluid reaction bed produce acid vapors, described acid storage tank be used for storing folder
Shell type heat exchanger cools down the acid solution that obtains, described pressure filter liquid in extruded carbon nanotube crude product, described stirred tank and
Grinder is used for mixing homogeneously by CNT crude product with non-oxidizable acid solution, and rinses out the gold in CNT crude product
Belonging to ionic impurity, described dehydrator is used for drying CNT,
The acid vapors that described fluid reaction bed is discharged is passed through jacketed type exchanger, and the acidity that described jacketed type exchanger is discharged is cold
But liquid is passed through acid storage tank, and the CNT crude product solution that described fluid reaction bed is discharged is transported to after pressure filter filter pressing processes
Stirred tank, the CNT crude product solution after agitated still processes is transported to grinder, eventually passes drier and process
To finished product CNT.
The Carbon nanotube purification system of reuse heat energy the most according to claim 1, is characterized in that described jacketed type exchanger
Pipeline communication is passed through by pipeline communication, described acid storage tank with reaction bed respectively with fluid reaction bed and stirred tank.
The Carbon nanotube purification system of reuse heat energy the most according to claim 1, is characterized in that described jacketed type exchanger
Including container and chuck, described chuck is enclosed in bottom and the surrounding of container, leaves space between described chuck and container, described
Being provided with helical wind-guiding track in space, described helical wind-guiding track is fixed with chuck.
The Carbon nanotube purification system of reuse heat energy the most according to claim 3, is characterized in that the upper of described chuck
End is provided with steam inlet, and described steam inlet is tangent with chuck, and the lower end of described chuck is provided with cooling liquid outlet, described appearance
The top of device is provided with liquid outlet, and the bottom of described container is provided with inlet,
Acid vapors from fluid reaction bed enters into chuck from steam inlet, forms cooling by the cooling effect of chuck
Liquid, and discharge from cooling liquid outlet, it being passed in acid storage tank, in described container, flowing is passed through acid vapors in cooling jacket
Industry solution.
The Carbon nanotube purification system of reuse heat energy the most according to claim 4, is characterized in that described helical wind-guiding track
Being threaded to cooling liquid outlet from steam inlet, the height of described helical wind-guiding track is more than 1/ of the space between chuck and container
2, the consistency of thickness from top to bottom of described helical wind-guiding track.
The Carbon nanotube purification system of reuse heat energy the most according to claim 1, is characterized in that described jacketed type exchanger
Surface coating have heat-insulation layer.
The Carbon nanotube purification system of reuse heat energy the most according to claim 1, is characterized in that arranging in described acid storage tank
Having air pump, described air pump carries air from the bottom of acid storage tank to acid storage tank, for by the acid solution mix homogeneously in acid storage tank.
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| CN201610768447.2A CN106185870A (en) | 2016-08-31 | 2016-08-31 | The Carbon nanotube purification system of reuse heat energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112830476A (en) * | 2021-01-23 | 2021-05-25 | 南通恩普热能技术有限公司 | Carbon nanotube purification system for recycling heat energy |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1061040A1 (en) * | 1999-06-15 | 2000-12-20 | Iljin Nanotech Co., Ltd. | Mass purification method of carbon nanotubes |
| WO2002045812A2 (en) * | 2000-12-08 | 2002-06-13 | Sony Corporation | Ultrasonic reflux system for one-step purification of carbon nanostructures |
| CN1475438A (en) * | 2003-07-18 | 2004-02-18 | 清华大学 | Purification method of carbon nano pipe and its device |
| CN101130431A (en) * | 2006-08-23 | 2008-02-27 | 中国科学院金属研究所 | Method for purifying nano carbon fiber of multi-wall carbon nano-tube |
| CN101591795A (en) * | 2009-06-18 | 2009-12-02 | 广东韶配动力机械有限公司 | The pickler and the using method thereof that are used for carbon nanotubes in composite coating |
| CN101712469A (en) * | 2008-09-30 | 2010-05-26 | 韩华石油化学株式会社 | Continuous method and apparatus of purifying carbon nanotube |
| CN101780951A (en) * | 2010-03-09 | 2010-07-21 | 北京大学 | Purification method for obtaining high-purity carbon nano tube |
| CN102923692A (en) * | 2012-11-21 | 2013-02-13 | 光明乳业股份有限公司 | Method for purifying carbon nano tube |
| 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 |
| CN105060271A (en) * | 2015-07-30 | 2015-11-18 | 惠州集越纳米材料技术有限责任公司 | Carbon nano-tube purification method |
| CN206089050U (en) * | 2016-08-31 | 2017-04-12 | 无锡东恒新能源科技有限公司 | Carbon nanotube purification system of retrieval and utilization heat energy |
-
2016
- 2016-08-31 CN CN201610768447.2A patent/CN106185870A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1061040A1 (en) * | 1999-06-15 | 2000-12-20 | Iljin Nanotech Co., Ltd. | Mass purification method of carbon nanotubes |
| WO2002045812A2 (en) * | 2000-12-08 | 2002-06-13 | Sony Corporation | Ultrasonic reflux system for one-step purification of carbon nanostructures |
| CN1475438A (en) * | 2003-07-18 | 2004-02-18 | 清华大学 | Purification method of carbon nano pipe and its device |
| CN101130431A (en) * | 2006-08-23 | 2008-02-27 | 中国科学院金属研究所 | Method for purifying nano carbon fiber of multi-wall carbon nano-tube |
| CN101712469A (en) * | 2008-09-30 | 2010-05-26 | 韩华石油化学株式会社 | Continuous method and apparatus of purifying carbon nanotube |
| CN101591795A (en) * | 2009-06-18 | 2009-12-02 | 广东韶配动力机械有限公司 | The pickler and the using method thereof that are used for carbon nanotubes in composite coating |
| CN101780951A (en) * | 2010-03-09 | 2010-07-21 | 北京大学 | Purification method for obtaining high-purity carbon nano tube |
| CN102923692A (en) * | 2012-11-21 | 2013-02-13 | 光明乳业股份有限公司 | Method for purifying carbon nano tube |
| 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 |
| CN105060271A (en) * | 2015-07-30 | 2015-11-18 | 惠州集越纳米材料技术有限责任公司 | Carbon nano-tube purification method |
| CN206089050U (en) * | 2016-08-31 | 2017-04-12 | 无锡东恒新能源科技有限公司 | Carbon nanotube purification system of retrieval and utilization heat energy |
Non-Patent Citations (3)
| Title |
|---|
| 唐文华 等: "碳纳米管纯化技术评价与研究进展", 《炭素》 * |
| 宋连珍 姜爱霞 主编: "《制药过程原理及设备》", 31 January 2013, 中国医药科技出版社 * |
| 陈家威 等主编: "《简明化学辞典》", 31 July 1987, 湖北辞书出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112830476A (en) * | 2021-01-23 | 2021-05-25 | 南通恩普热能技术有限公司 | Carbon nanotube purification system for recycling heat energy |
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Application publication date: 20161207 |