CN114289151A - High-speed gas crushing device for carbon nano tube - Google Patents
High-speed gas crushing device for carbon nano tube Download PDFInfo
- Publication number
- CN114289151A CN114289151A CN202111649947.1A CN202111649947A CN114289151A CN 114289151 A CN114289151 A CN 114289151A CN 202111649947 A CN202111649947 A CN 202111649947A CN 114289151 A CN114289151 A CN 114289151A
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- carbon nanotubes
- grading
- speed gas
- motor
- valve
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 67
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 67
- 238000012216 screening Methods 0.000 claims abstract description 20
- 238000010298 pulverizing process Methods 0.000 claims abstract description 10
- 238000003801 milling Methods 0.000 claims 3
- 238000007873 sieving Methods 0.000 claims 3
- 239000002245 particle Substances 0.000 abstract description 26
- 239000000463 material Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 24
- 239000010419 fine particle Substances 0.000 description 8
- 239000006258 conductive agent Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Carbon And Carbon Compounds (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a high-speed gas crushing device for carbon nanotubes, and belongs to the technical field of chemical equipment. The high-speed gas crushing device for the carbon nano tube comprises an automatic feeder, a crushing mechanism, a screening mechanism and a collecting mechanism; the automatic feeding machine comprises a spiral conveyor, the crushing mechanism is connected with the automatic feeding machine through a first conveying pipeline, and the crushing mechanism comprises a first grading motor, a first grading wheel and a high-pressure airflow pipe; screening mechanism passes through the second pipeline and is connected with rubbing crusher structure, screening mechanism includes second hierarchical motor, second classification wheel and first collection storehouse. The invention avoids the problem that the traditional pulverizer generates a large amount of heat when pulverizing materials, so that the thermosensitive materials deteriorate, and has high pulverizing efficiency and high pulverizing quality; and the crushed carbon nano tubes are screened twice, the requirements on the carbon nano tubes with different particle sizes are met, and the application range is wide.
Description
Technical Field
The invention relates to a high-speed gas crushing device for carbon nanotubes, and belongs to the technical field of chemical equipment.
Background
In recent years, carbon nanotubes have been widely used as an excellent conductive agent in the lithium battery industry of new energy automobiles. Because of the ultrahigh length-diameter ratio and high conductivity, compared with the traditional conductive agents graphite and super P, the high-efficiency three-dimensional conductive network structure can be built in the electrode only by a small amount of addition, the conductive efficiency is extremely high, and key indexes such as the energy density and the service life of the battery can be improved. Therefore, it has been a trend to synthesize a novel carbon nanotube conductive agent instead of the conventional conductive agent.
Crushing carbon nanotube into small particle powder is an indispensable process of preparation of carbon nanotube conducting agent, and can produce a large amount of heats when traditional rubbing crusher smashes the material, leads to the heat-sensitive material to deteriorate, can lead to equipment ageing along with long-time use, the wearing and tearing of equipment, the impurity that brings along with it also can pollute the product, consequently traditional equipment can not satisfy carbon nanotube's shredding.
Disclosure of Invention
The invention aims to provide a high-speed gas crushing device for carbon nanotubes, which crushes the carbon nanotubes into small particle powder in a high-pressure high-speed airflow mode, avoids the problem that thermosensitive materials deteriorate due to a large amount of heat generated when a traditional crusher crushes the materials, cannot cause abrasion of equipment when crushed in a high-pressure high-speed airflow mode, enables the crushed carbon nanotubes to contain no impurities, and has high crushing efficiency and high crushing quality; and the crushed carbon nano tubes are screened and classified twice, and the carbon nano tubes screened on two sides are respectively collected, so that the requirements on the carbon nano tubes with different particle sizes are met, particles with two particle sizes can be simultaneously processed, and the application range is wide.
The invention provides a high-speed gas crushing device for carbon nanotubes, which comprises an automatic feeder, a crushing mechanism, a screening mechanism and a collecting mechanism, wherein the automatic feeder is connected with the crushing mechanism; the automatic feeding machine comprises a spiral conveyor, the crushing mechanism is connected with the automatic feeding machine through a first conveying pipeline, and the crushing mechanism comprises a first grading motor, a first grading wheel and a high-pressure airflow pipe; the screening mechanism is connected with the crushing mechanism through a second conveying pipeline and comprises a second grading motor, a second grading wheel and a first collecting bin; the collecting mechanism is connected with the screening mechanism through a third conveying pipeline, and the third conveying pipeline comprises a draught fan, a negative pressure bin and a second collecting bin.
In one embodiment of the invention, the high pressure gas flow tube is in communication with a first delivery conduit; the high-pressure airflow pipe comprises at least two crossed pipelines, the high-pressure airflow pipe comprises at least three air inlets, and each air inlet is communicated with high-pressure high-speed airflow.
In an embodiment of the present invention, an output end of the first classifying motor is fixedly connected to a first classifying wheel, the first classifying motor drives the first classifying wheel to rotate, and the first classifying wheel is configured to perform a primary screening on the carbon nanotubes.
In an embodiment of the present invention, an output end of the second classification motor is fixedly connected to a second classification wheel, the second classification motor drives the second classification wheel to rotate, and the second classification wheel is configured to perform secondary screening on the carbon nanotubes.
In an embodiment of the present invention, the screening mechanism further includes a first valve and a first collecting bin, and the first valve is located above the first collecting bin.
In one embodiment of the invention, the induced draft fan is connected with the negative pressure bin.
In an embodiment of the present invention, at least one impact air hammer is disposed in the negative pressure chamber, and each impact air hammer is connected to an air compressor.
In an embodiment of the present invention, a second collecting chamber and a second valve are disposed below the negative pressure chamber.
In one embodiment of the present invention, the first valve and the second valve are both solenoid valves.
In an embodiment of the invention, the system further comprises a remote control cabinet, and the remote control cabinet is respectively in data connection with the screw conveyer, the first grading motor, the second grading motor, the first valve, the second valve, the induced draft fan and the air compressor.
Advantageous effects
1. The high-pressure airflow pipe comprises at least three air inlets, each air inlet is communicated with high-pressure high-speed airflow, the high-pressure high-speed airflow in multiple directions collides and rubs the carbon nano tubes to crush the carbon nano tubes into small particle powder, and the carbon nano tubes are crushed into small particle powder in a high-pressure high-speed airflow mode, so that the problem that the thermosensitive material is deteriorated due to a large amount of heat generated when the traditional crusher crushes the material is solved, and meanwhile, the high-pressure high-speed airflow mode is used for crushing, so that the crushed carbon nano tubes do not contain impurities, the crushing efficiency is high, and the crushing quality is high;
2. the first grading wheel and the second grading wheel are arranged to sieve and grade the small-particle powdery carbon nanotubes twice, and the sieved medium-particle powdery carbon nanotubes and the sieved fine-particle powdery carbon nanotubes are respectively collected, so that the requirements on the carbon nanotubes with different particle sizes are met, particles with two particle sizes can be simultaneously processed, and the application range is wide;
3. the remote control cabinet is respectively in data connection with the screw conveyer, the first grading motor, the second grading motor, the first valve, the second valve, the draught fan and the air compressor, the working conditions of all devices are intelligently and automatically controlled through the remote control cabinet, the automation degree is high, and the working efficiency is high;
drawings
FIG. 1 is a schematic structural view of a high-speed gas pulverizing apparatus for carbon nanotubes according to the present invention.
Wherein: 1. a remote control cabinet; 2. an automatic feeder; 3. a screw conveyor; 4. a first classification motor; 5. a first classification wheel; 6. a high pressure gas flow tube; 7. a first delivery conduit; 8. a first collection bin; 9. a first valve; 10. a crushing mechanism; 11. a second collection bin; 12. a second valve; 13. an induced draft fan; 14. a negative pressure bin; 15. an impact air hammer; 16. an air compressor; 17. a second classification motor; 18. a second classification wheel; 19. a second delivery conduit; 20. a screening mechanism; 21. a third delivery conduit; 22. and a collecting mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1
A high-speed gas crushing device for carbon nano tubes is shown in figure 1 and comprises an automatic feeder 2, a crushing mechanism 10, a screening mechanism 20 and a collecting mechanism 22; the automatic feeding machine 2 comprises a screw conveyor 3, the crushing mechanism 10 is connected with the automatic feeding machine 2 through a first conveying pipeline 7, and the crushing mechanism 10 comprises a first grading motor 4, a first grading wheel 5 and a high-pressure airflow pipe 6; the screening mechanism 20 is connected with the crushing mechanism 10 through a second conveying pipeline 19, and the screening mechanism 20 comprises a second grading motor 17, a second grading wheel 18 and a first collecting bin 8; collect mechanism 22 and be connected with screening mechanism 20 through third pipeline 21, third pipeline 21 includes draught fan 13, negative pressure storehouse 14 and second collection storehouse 11.
Further, the high-pressure gas flow pipe 6 is communicated with a first conveying pipeline 7; the high-pressure airflow pipe 6 comprises at least two crossed pipelines, the high-pressure airflow pipe 6 comprises at least three air inlets, each air inlet is communicated with high-pressure high-speed airflow, and the high-pressure high-speed airflow in multiple directions collides and rubs the carbon nano tubes to crush the carbon nano tubes into small particle powder. In this embodiment, the high-pressure airflow pipe 6 is formed by two pipes which are staggered to form a cross-shaped high-pressure airflow pipe 6, and the cross-shaped high-pressure airflow pipe 6 has four air inlets.
Further, the output end of the first grading motor 4 is fixedly connected with the first grading wheel 5, and the first grading motor 4 drives the first grading wheel 5 to rotate; the carbon nanotubes in the form of small powder particles crushed by the high-pressure airflow pipe 6 rise to the first grading wheel 5, the first grading wheel 5 rotates to primarily sieve and grade the carbon nanotubes in the form of small powder particles, the carbon nanotubes in the form of coarse powder particles sieved out fall to the high-pressure airflow pipe 6 for continuous crushing due to gravity, and the carbon nanotubes in the form of medium powder particles sieved out are conveyed to the second grading wheel 1 of the crushing mechanism 10 through the second conveying pipeline 19 to be sieved and graded again.
Further, the output end of the second classification motor 17 is fixedly connected with the second classification wheel 18, and the second classification motor 17 drives the second classification wheel 18 to rotate; the screening mechanism 20 further comprises a first valve 9 and a first collecting bin 8, wherein the first valve 9 is positioned above the first collecting bin 8; the second classification wheel 18 performs secondary screening and classification on the carbon nanotubes in the medium particle powder, collects the screened carbon nanotubes in the medium particle powder into the first collection bin 8 through the first valve 9, and transmits the screened carbon nanotubes in the fine particle powder to the negative pressure bin 14 through the third transmission pipeline 21.
Further, the induced draft fan 13 is connected with the negative pressure bin 14, the induced draft fan 13 changes the negative pressure bin 14 into a negative pressure state, and at the moment, the fine particle powder carbon nanotubes in the third conveying pipeline 21 can enter the negative pressure bin 14.
Further, at least one impact type air hammer 15 is arranged in the negative pressure bin 14, each impact type air hammer 15 is connected with an air compressor 16, and the air compressor 16 is used for inflating the impact type air hammer 15 to enable the fine particle powdered carbon nano tubes in the negative pressure bin 14 to move downwards.
Further, a second collecting chamber 11 and a second valve 12 are provided below the negative pressure chamber 14, and the fine particle powder carbon nanotubes moving downward are collected in the second collecting chamber 11 through the second valve 12.
Further, the first valve 9 and the second valve 12 are both solenoid valves.
Further, still include remote control cabinet 1, remote control cabinet 1 respectively with screw conveyer 3, first motor 4, the second motor 17 of grading, first valve 9, second valve 12, draught fan 13 and air compressor 16 data connection, realize the operating mode of intelligent automated control each equipment through remote control cabinet 1.
The working principle of the invention is as follows: the automatic feeder 2 is internally stored with carbon nanotube raw materials, the carbon nanotube raw materials are transmitted to a high-pressure airflow pipe 6 through a screw conveyor 3 and a first conveying pipeline 7, the high-pressure airflow pipe 6 comprises at least three air inlets, each air inlet is communicated with high-pressure high-speed airflow, and the carbon nanotubes are crushed into small particle powder by collision and friction of the high-pressure high-speed airflow in multiple directions; the carbon nano tubes in the small particle powder form crushed by the high-pressure airflow tube 6 rise to the first grading wheel 5, the first grading wheel 5 rotates to primarily sieve and grade the carbon nano tubes in the small particle powder form, the sieved carbon nano tubes in the coarse particle powder form descend to the high-pressure airflow tube 6 for continuous crushing due to gravity, and the sieved carbon nano tubes in the medium particle powder form are transmitted to the crushing mechanism 10 through the second conveying pipeline 19; the second classifying wheel 18 in the crushing mechanism 10 performs secondary screening and classification on the carbon nanotubes in the middle particle powder form, the screened carbon nanotubes in the middle particle powder form are collected in the first collecting bin 8 through the first valve 9, the screened carbon nanotubes in the fine particle powder form are transmitted to the negative pressure bin 14 through the third conveying pipeline 21, the negative pressure bin 14 is changed into a negative pressure state by the induced draft fan 13, the impact air hammer 15 is inflated by the air compressor 16, the carbon nanotubes in the fine particle powder form in the negative pressure bin 14 move downwards, and the carbon nanotubes in the fine particle powder form moving downwards are collected in the second collecting bin 11 through the second valve 12.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. A high-speed gas crushing device for carbon nanotubes is characterized by comprising an automatic feeder, a crushing mechanism, a screening mechanism and a collecting mechanism; the automatic feeding machine comprises a spiral conveyor, the crushing mechanism is connected with the automatic feeding machine through a first conveying pipeline, and the crushing mechanism comprises a first grading motor, a first grading wheel and a high-pressure airflow pipe; the screening mechanism is connected with the crushing mechanism through a second conveying pipeline and comprises a second grading motor, a second grading wheel and a first collecting bin; the collecting mechanism is connected with the screening mechanism through a third conveying pipeline, and the third conveying pipeline comprises a draught fan, a negative pressure bin and a second collecting bin.
2. The high-speed gas pulverizing apparatus for carbon nanotubes of claim 1, wherein the high-pressure gas flow pipe is communicated with a first conveying pipe; the high-pressure airflow pipe comprises at least two crossed pipelines, the high-pressure airflow pipe comprises at least three air inlets, and each air inlet is communicated with high-pressure high-speed airflow.
3. The high-speed gas pulverizing apparatus for carbon nanotubes as claimed in claim 2, wherein the output end of the first classifying motor is fixedly connected to a first classifying wheel, the first classifying wheel is driven by the first classifying motor to rotate, and the first classifying wheel is used for primary sieving of the carbon nanotubes.
4. The high-speed gas milling apparatus for carbon nanotubes as claimed in claim 3, wherein the output end of the second grading motor is fixedly connected to the second grading wheel, the second grading motor drives the second grading wheel to rotate, and the second grading wheel is used for secondary sieving of the carbon nanotubes.
5. The high-speed gas pulverizing apparatus for carbon nanotubes of claim 4, wherein the sieving mechanism further comprises a first valve and a first collecting bin, and the first valve is located above the first collecting bin.
6. The high-speed gas milling apparatus for carbon nanotubes of claim 5, wherein the induced draft fan is connected with the negative pressure bin.
7. The high-speed gas milling apparatus for carbon nanotubes as claimed in claim 6, wherein at least one impact air hammer is provided in the negative pressure bin, and an air compressor is connected to each impact air hammer.
8. The high-speed gas pulverizing apparatus for carbon nanotubes of claim 7, wherein a second collecting bin and a second valve are provided below the negative pressure bin.
9. The high-speed gas pulverizing apparatus for carbon nanotubes of claim 8, wherein the first valve and the second valve are both solenoid valves.
10. The high-speed gas pulverizing apparatus for carbon nanotubes of claim 9, further comprising a remote control cabinet, wherein the remote control cabinet is respectively in data connection with the screw conveyer, the first grading motor, the second grading motor, the first valve, the second valve, the induced draft fan and the air compressor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111649947.1A CN114289151A (en) | 2021-12-30 | 2021-12-30 | High-speed gas crushing device for carbon nano tube |
| PCT/CN2022/081324 WO2023123694A1 (en) | 2021-12-30 | 2022-03-17 | High-speed-air-based crushing apparatus for carbon nanotubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111649947.1A CN114289151A (en) | 2021-12-30 | 2021-12-30 | High-speed gas crushing device for carbon nano tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114289151A true CN114289151A (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111649947.1A Pending CN114289151A (en) | 2021-12-30 | 2021-12-30 | High-speed gas crushing device for carbon nano tube |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114289151A (en) |
| WO (1) | WO2023123694A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625018A (en) * | 2022-12-07 | 2023-01-20 | 广东汇群中药饮片股份有限公司 | Ultramicro circulating airflow crushing and drying treatment device and method for Chinese herbal medicine wall-broken decoction pieces |
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| CN115625018A (en) * | 2022-12-07 | 2023-01-20 | 广东汇群中药饮片股份有限公司 | Ultramicro circulating airflow crushing and drying treatment device and method for Chinese herbal medicine wall-broken decoction pieces |
| CN115625018B (en) * | 2022-12-07 | 2023-03-10 | 广东汇群中药饮片股份有限公司 | Ultramicro circulating airflow crushing and drying treatment device and method for Chinese herbal medicine wall-broken decoction pieces |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023123694A1 (en) | 2023-07-06 |
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