Carbon nanotube purification device for carbon nanotube processing

Abstract

The invention discloses a carbon nanotube purification device for carbon nanotube processing, and particularly relates to the technical field of carbon nanotube purification devices.The carbon nanotube purification device comprises a high-temperature purification furnace, and a support is fixedly connected to one side of the top of the high-temperature purification furnace. According to the carbon nanotube purification device, the carbon nanotubes just before purification can be cleaned and filtered, dust and impurities doped in the carbon nanotubes are cleaned away, the influence on later high-temperature purification processing is avoided, and the purification efficiency and quality of the carbon nanotubes are improved; by arranging the preheating and drying device, moisture on the surface of the cleaned carbon nano tube can be dried and removed, volatile impurities doped in the carbon nano tube can be effectively removed, more favorable conditions are created for subsequent high-temperature purification processing, the purification efficiency is improved, meanwhile, the carbon nano tube is preheated, and the carbon nano tube can be recycled. The carbon nano tube can gradually adapt to a high-temperature environment, and thermal stress generated by rapid temperature change in a high-temperature purification process is reduced, so that material damage is avoided, and the product quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of carbon nanotube purification devices, in particular to a carbon nanotube purification device for carbon nanotube processing. Background Art

[0002] A purification device is a device that can separate impurities from a mixture using physical, chemical or biological methods, thereby improving the purity of the target substance.

[0003] When carbon nanotubes are purified using a high-temperature purification furnace during their production and processing, they may be affected by impurities such as dust, oxides, and organic matter during their production and storage. These impurities may affect the performance and stability of the carbon nanotubes, thereby reducing the purification efficiency. At the same time, during the high-temperature purification process, the carbon nanotubes may also suffer from thermal stress caused by rapid temperature changes, thereby causing damage to the material and reducing product quality. Summary of the invention

[0004] The present invention proposes a carbon nanotube purification device for carbon nanotube processing to solve the problem that during the production and storage of carbon nanotubes, they may be affected by impurities such as dust, oxides, and organic matter. These impurities may affect the performance and stability of the carbon nanotubes, thereby reducing the purification efficiency. At the same time, during the high-temperature purification process, the carbon nanotubes may also generate thermal stress due to rapid temperature changes, thereby causing material damage and reducing product quality.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A carbon nanotube purification device for carbon nanotube processing includes a high-temperature purification furnace, characterized in that: a bracket is fixedly connected to one side of the top of the high-temperature purification furnace, a motor is fixedly connected to one side of the bracket, a stirring rod is fixedly connected to the output end of the motor, the stirring rod is connected through the high-temperature purification furnace, a centrifugal cleaning device is provided on the top inner wall of the high-temperature purification furnace, a preheating and drying device is provided on the top inner wall of the high-temperature purification furnace, the centrifugal cleaning device can clean and filter the carbon nanotubes just before purification, and the preheating and drying device can dry and remove moisture on the surface of the cleaned carbon nanotubes.

[0006] The effect achieved by the above components is: when a high-temperature purification furnace is used to purify the carbon nanotubes during the production and processing, a centrifugal cleaning device can be used to first clean and filter the carbon nanotubes to clean out the dust and impurities doped inside them, so as to avoid affecting the subsequent high-temperature purification processing and improve the efficiency and quality of the carbon nanotube purification. Then, the surface moisture is dried and removed through a preheating and drying device, and the volatile impurities doped inside can be effectively removed, creating more favorable conditions for subsequent high-temperature purification processing and improving the purification efficiency. At the same time, preheating the carbon nanotubes can make the carbon nanotubes gradually adapt to the high-temperature environment and reduce the thermal stress caused by the rapid temperature change during the high-temperature purification process, thereby avoiding material damage and improving product quality. Finally, they are subjected to high-temperature purification processing.

[0007] Preferably, the centrifugal cleaning device includes a water tank and a water pump, one side of the water tank is fixedly connected to one side of the high-temperature purification furnace, one end of the water inlet pipe of the water pump is connected to the top side of the water tank through a penetration, the outlet of the water pump is fixedly connected with a guide nozzle, the top inner wall of the high-temperature purification furnace is connected to the guide nozzle through a penetration, a feeding pipe is connected to the top of the high-temperature purification furnace, the feeding pipe is sleeved on the outer surface of one end of the stirring rod, the inner wall of the high-temperature purification furnace is fixedly connected with a partition, one side of the partition is connected with a first discharge pipe, the inner wall of the high-temperature purification furnace is fixedly connected with a filter screen, and the inner wall of the high-temperature purification furnace is located at the bottom of the filter screen and is fixedly connected It is connected to a sewage tank, and the inner wall of the sewage tank passes through and extends to the outer surface of the high-temperature purification furnace where a sewage pipe is arranged. A second discharge pipe is arranged between the filter screen and the sewage tank, and the inner walls of the first discharge pipe and the second discharge pipe are both provided with a first electromagnetic valve. The stirring rods are both connected to the partition, the filter screen and one side of the sewage tank. The outer surface of the stirring rod is fixedly connected with a centrifugal boss between the top of the partition and the bottom of the feed pipe, and a plurality of rectangular plates are fixedly connected to the outer surface of the centrifugal boss, and a first scraper is symmetrically fixedly connected to the outer surface of the centrifugal boss, and the outer surface of the stirring rod is symmetrically fixedly connected to the second scraper at the top of the filter screen.

[0008] The effect achieved by the above components is as follows: by setting up a centrifugal cleaning device, the carbon nanotubes can be placed in the feeding tube before high-temperature purification, and then the motor on the bracket is started to drive the stirring rod to rotate, thereby driving the centrifugal boss and the rectangular plate to rotate at high speed between the bottom of the feeding tube and the partition, and the carbon nanotubes transported by the feeding tube are centrifugally thrown out to both sides. At this time, the water pump on the water tank is started at the same time to draw the cleaning liquid in the water tank into the guide nozzle, and spray it on the interior of the high-temperature purification furnace above the partition, so as to fully contact with the carbon nanotubes thrown out by the centrifugation and clean them. After cleaning, the first electromagnetic valve in the first discharge pipe is opened, and then the first scraper can remove the carbon nanotube slurry. The liquid is discharged into the filter through the first discharge pipe, the carbon nanotubes in the slurry will be filtered out by the filter, and the cleaning liquid and the impurities cleaned will pass through the filter and fall into the sewage pool, and then be discharged through the discharge pipe. When the stirring rod rotates, it will drive the second scraper to scrape the carbon nanotubes on the filter to speed up the discharge of the cleaning liquid. Finally, the first electromagnetic valve in the second discharge pipe is opened, and the filtered and cleaned carbon nanotubes are discharged into the next step for further processing through the second scraper. In this way, the carbon nanotubes before purification are cleaned and filtered, and the dust and impurities doped inside are cleaned to avoid affecting the subsequent high-temperature purification processing, thereby improving the efficiency and quality of carbon nanotube purification.

[0009] Preferably, a spiral blade is fixedly connected to the outer surface of the stirring rod, and the spiral blade is arranged in the inner wall of the feed pipe.

[0010] The effect achieved by the above components is: by setting the spiral blades, the carbon nanotubes placed in the feed pipe can be evenly transported to the centrifugal boss, so that it can achieve the effect of uniform feeding, and at the same time it is convenient for the centrifugal boss to centrifugally throw out the carbon nanotubes and fully mix them with the cleaning liquid.

[0011] Preferably, the cross-sections of the first scraper and the second scraper are both arc-shaped, and the positions where the first scraper and the second scraper have the largest bending angles are on the same circumference as the outlets of the first discharge pipe and the second discharge pipe, respectively.

[0012] The effect achieved by the above components is: by setting the first scraper and the second scraper into an arc shape, the carbon nanotubes at the upper edges of the partition and the filter screen can be accurately scraped into the first discharge pipe and the second discharge pipe for easy discharge.

[0013] Preferably, the preheating and drying device comprises a belt, a guide box is fixedly connected to the outer surface of the high-temperature purification furnace, a plurality of heating tubes are fixedly connected to the inner wall of the guide box, a first connecting tube is penetrated and connected to the top of the guide box, a guide cover is penetrated and connected to one end of the first connecting tube, a fan blade is penetrated and connected to one side of the inner wall of the guide cover, the inner walls at both ends of the belt are respectively sleeved on the outer surfaces of one end of the stirring rod and the fan blade, a second connecting tube is penetrated and connected to the bottom of the inner wall of the guide box, a guide hole is opened on the outer surface of one end of the stirring rod, and the outer surface of the stirring rod is provided with a guide hole A groove ring block is rotatably connected, one end of the second connecting pipe penetrates the outer surface of the high-temperature purification furnace and extends to the outer surface of the groove ring block and is connected thereto, the outer surface of the stirring rod is symmetrically rotatably connected with a hollow rod, the inner wall of the hollow rod is connected to the inner wall of the guide hole, and a plurality of air outlet pipes are symmetrically connected to the outer surface of the hollow rod, the inner wall of the high-temperature purification furnace is located at the bottom of the two hollow rods and is fixedly connected with a heating plate, one side of the heating plate is connected thereto with a third discharge pipe, the inner wall of the third discharge pipe is provided with a second electromagnetic valve, and the stirring rod is connected thereto by penetration.

[0014] The effects achieved by the above components are as follows: by setting a preheating and drying device, when the second discharge pipe discharges the cleaned carbon nanotubes onto the heating plate, the heating plate is started for heating, and at the same time, the heating tube inside the guide box is started for heating, the rotation of the stirring rod drives the belt to rotate, thereby driving the fan blades to rotate in the inner wall of the guide cover, sucking the external wind into the guide cover, and then entering the guide box through the first connecting pipe to exchange heat with the heating tube to form hot wind, and then entering the interior of the groove ring block through the second connecting pipe, so that it enters the hollow rod through the guide hole, and finally is discharged by a plurality of air outlet pipes to make the hollow rod. As the stirring rod rotates to stir and turn over the carbon nanotubes on the heating plate, they can be blown up, which is convenient for improving the efficiency of heating and drying. Through the heating and drying of the heating plate and hot air, the surface moisture of the cleaned carbon nanotubes can be dried and removed, and the volatile impurities doped inside can also be effectively removed, creating more favorable conditions for subsequent high-temperature purification processing and improving the efficiency of purification. At the same time, preheating the carbon nanotubes can make the carbon nanotubes gradually adapt to the high-temperature environment, reduce the thermal stress caused by the rapid temperature change during the high-temperature purification process, thereby avoiding material damage and improving product quality.

[0015] Preferably, a bevel gear is fixedly connected to one side of one end of the hollow rod, a bevel gear ring block is fixedly connected to the inner wall of the high-temperature purification furnace, and the bevel gear is meshed with the bevel gear ring block.

[0016] The effect achieved by the above components is: by setting the bevel gear and the bevel gear ring block, while the stirring rod drives the two hollow rods to rotate, the bevel gear will mesh and roll on the bevel gear ring block, thereby driving the hollow rods to rotate, lifting the carbon nanotubes on the heating plate, so that the carbon nanotubes that fall down can fully contact with the surface of the heating plate for drying, thereby improving the drying efficiency and preheating efficiency.

[0017] Preferably, the inner wall of the high-temperature purification furnace is fixedly connected with a first circular plate on both sides of the bevel gear ring block, a second circular plate is rotatably connected between one side of the two first circular plates, one side of the second circular plate is connected to the outer surface of one end of the hollow rod, and the bevel gear and the bevel gear ring block are both arranged in the inner walls of the two first circular plates and the second circular plates.

[0018] The effect achieved by the above components is: by arranging the first annular plate and the second annular plate, the bevel gear and the bevel gear ring block can be protected without hindering the rotation of the hollow rod with the aid of the bevel gear, thereby preventing the carbon nanotubes from getting stuck in the tooth gap and affecting use.

[0019] Preferably, a plurality of protection blocks are fixedly connected to the inner wall of the air outlet duct, and the plurality of protection blocks are arranged at equal distances.

[0020] The effect achieved by the above components is: by setting the protection block, the inner wall of the outlet of the air outlet pipe can be protected to prevent external carbon nanotubes from entering the inner wall of the air outlet pipe to cause blockage and affect use, so that only the internal wind can be discharged.

[0021] Preferably, a bearing is fixedly connected to the outer surface of one end of the hollow rod, and the outer ring of the bearing is fixedly connected to the outer surface of the stirring rod.

[0022] The effects achieved by the above components are: by arranging the bearing, the rotational wear between the hollow rod and the stirring rod can be reduced, the rotation of the hollow rod is facilitated, and the service life of both can be increased.

[0023] Preferably, a plurality of guide plates are symmetrically fixedly connected to the inner wall of the guide box, and the dimension between two ends of the guide plates close to the heating tube is smaller than the dimension between the other ends.

[0024] The effect achieved by the above components is: by setting the guide plate, the wind delivered by the first connecting pipe can be guided to the heating pipe, so that it can fully contact the surface of the heating pipe to exchange heat and become hot air, thereby improving the heating effect and facilitating more uniform heating of the wind.

[0025] In summary, the beneficial effects of the present invention are: By setting up a centrifugal cleaning device, the carbon nanotubes just before purification can be cleaned and filtered to remove the dust and impurities inside, avoid affecting the subsequent high-temperature purification process, and improve the efficiency and quality of carbon nanotube purification.

[0026] By setting up a preheating and drying device, the surface moisture of the cleaned carbon nanotubes can be dried and removed, and the volatile impurities doped inside can also be effectively removed, creating more favorable conditions for subsequent high-temperature purification processing and improving the efficiency of purification. At the same time, preheating the carbon nanotubes can make the carbon nanotubes gradually adapt to the high-temperature environment and reduce the thermal stress caused by the rapid temperature change during the high-temperature purification process, thereby avoiding material damage and improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional schematic diagram of the present invention; Figure 2 It is a three-dimensional schematic diagram of the high-temperature purification furnace of the present invention; Figure 3 It is a three-dimensional schematic diagram of the feeding pipe of the present invention; Figure 4 It is a three-dimensional schematic diagram of the partition of the present invention; Figure 5 It is a three-dimensional schematic diagram of the water tank of the present invention; Figure 6 It is a three-dimensional schematic diagram of the guide box of the present invention; Figure 7 yes Figure 6 The enlarged three-dimensional schematic diagram at A in the middle; Figure 8 yes Figure 6 The enlarged three-dimensional schematic diagram at B in the middle; Fig. 9 yes Figure 6 A partial three-dimensional schematic diagram of the middle air shroud.

[0028] Description of reference numerals: 1. High temperature purification furnace; 2. Centrifugal cleaning device; 3. Preheating and drying device; 4. Bracket; 5. Motor; 6. Stirring rod; 21. Water tank; 22. Water pump; 23. Guide spray rack; 24. Feeding pipe; 25. Partition; 26. First discharge pipe; 27. Filter screen; 28. Drainage tank; 29. ​​Drainage pipe; 210. Second discharge pipe; 211. First electromagnetic valve; 212. Centrifugal boss; 213. Rectangular plate; 214. First scraper; 215. Second scraper; 216. Spiral blade; 3 1. belt; 32. guide box; 33. first connecting pipe; 34. guide cover; 35. fan blade; 36. heating pipe; 37. second connecting pipe; 38. groove ring block; 39. guide hole; 310. hollow rod; 311. air outlet pipe; 312. bevel gear; 313. bevel gear ring block; 314. heating plate; 315. first circular plate; 316. second circular plate; 317. protective block; 318. bearing; 319. guide plate; 320. third discharge pipe; 321. second solenoid valve. DETAILED DESCRIPTION

[0029] Reference Figure 1-9As shown, the present embodiment discloses a carbon nanotube purification device for carbon nanotube processing, comprising a high-temperature purification furnace 1, a bracket 4 is fixedly connected to one side of the top of the high-temperature purification furnace 1, a motor 5 is fixedly connected to one side of the bracket 4, a stirring rod 6 is fixedly connected to the output end of the motor 5, and the stirring rod 6 is connected to the high-temperature purification furnace 1 through a centrifugal cleaning device 2 is provided on the top inner wall of the high-temperature purification furnace 1, and a preheating and drying device 3 is provided on the top inner wall of the high-temperature purification furnace 1. The centrifugal cleaning device 2 can clean and filter the carbon nanotubes just before purification, and clean out the dust and impurities doped inside thereof, so as to avoid affecting the subsequent high-temperature purification processing and improve the efficiency and quality of carbon nanotube purification. The preheating and drying device 3 can dry and remove the surface moisture of the cleaned carbon nanotubes, and can also effectively remove the volatile impurities doped inside, so as to create more favorable conditions for the subsequent high-temperature purification processing and improve the purification efficiency. At the same time, preheating the carbon nanotubes can make the carbon nanotubes gradually adapt to the high-temperature environment, reduce the thermal stress caused by the rapid temperature change during the high-temperature purification process, thereby avoiding material damage and improving product quality. When a high-temperature purification furnace 1 is used to purify carbon nanotubes during the production and processing of carbon nanotubes, a centrifugal cleaning device 2 can be used to first clean and filter the carbon nanotubes to remove dust and impurities doped inside them, avoid affecting the subsequent high-temperature purification processing, and improve the efficiency and quality of carbon nanotube purification. Then, the surface moisture is dried and removed by a preheating and drying device 3, and the volatile impurities doped inside can also be effectively removed, creating more favorable conditions for subsequent high-temperature purification processing and improving the efficiency of purification. At the same time, preheating the carbon nanotubes can make the carbon nanotubes gradually adapt to the high-temperature environment and reduce the thermal stress caused by the rapid temperature change during the high-temperature purification process, thereby avoiding material damage and improving product quality. Finally, they are subjected to high-temperature purification processing.

[0030] Reference Figure 1-9As shown, the present embodiment discloses a centrifugal cleaning device 2 including a water tank 21 and a water pump 22, one side of the water tank 21 is fixedly connected to one side of the high-temperature purification furnace 1, one end of the water inlet pipe of the water pump 22 is connected to the top side of the water tank 21 through a connection, a guide nozzle is fixedly connected to the outlet of the water pump 22, the top inner wall of the high-temperature purification furnace 1 is connected to the guide nozzle through a connection, a feeding pipe 24 is connected to the top of the high-temperature purification furnace 1 through a connection, the feeding pipe 24 is sleeved on the outer surface of one end of the stirring rod 6, a partition 25 is fixedly connected to the inner wall of the high-temperature purification furnace 1, one side of the partition 25 is connected to the first discharge pipe 26, a filter screen 27 is fixedly connected to the inner wall of the high-temperature purification furnace 1, and a sewage tank 28 is fixedly connected to the inner wall of the high-temperature purification furnace 1 at the bottom of the filter screen 27, and the sewage tank 28 is fixedly connected to the inner wall of the high-temperature purification furnace 1. A sewage pipe 29 is provided on the inner wall of the pool 28 that penetrates and extends to the outer surface of the high-temperature purification furnace 1, a second discharge pipe 210 is connected between the filter screen 27 and the sewage pool 28, the inner walls of the first discharge pipe 26 and the second discharge pipe 210 are both provided with a first electromagnetic valve 211, the stirring rod 6 is connected to the partition 25, the filter screen 27 and one side of the sewage pool 28, the outer surface of the stirring rod 6 is located between the top of the partition 25 and the bottom of the feed pipe, and a centrifugal boss 212 is fixedly connected, the outer surface of the centrifugal boss 212 is fixedly connected to a plurality of rectangular plates 213, the outer surface of the centrifugal boss 212 is symmetrically fixedly connected to a first scraper 214, and the outer surface of the stirring rod 6 is located at the top of the filter screen 27 and is symmetrically fixedly connected to a second scraper 215. Before high-temperature purification of the carbon nanotubes, they can be placed in the feeding tube 24, and then the motor 5 on the bracket 4 is started to drive the stirring rod 6 to rotate, thereby driving the centrifugal boss 212 and the rectangular plate 213 to rotate at high speed between the bottom of the feeding tube 24 and the partition 25, and the carbon nanotubes transported in by the feeding tube 24 are centrifugally thrown out to both sides. At this time, the water pump 22 on the water tank 21 is started at the same time to draw the cleaning liquid in the water tank 21 into the guide nozzle, and spray it on the interior of the high-temperature purification furnace 1 above the partition 25, so as to fully contact the carbon nanotubes thrown out by centrifugation and clean them. After cleaning, the first electromagnetic valve 211 in the first discharge pipe 26 is opened, and then the first scraper 214 can pass the carbon nanotube slurry through the first discharge pipe 26. The carbon nanotubes in the slurry will be filtered out by the filter 27, and the cleaning liquid and the cleaned impurities will pass through the filter 27 and fall into the sewage tank 28, and then be discharged through the discharge pipe. When the stirring rod 6 rotates, it will drive the second scraper 215 to scrape the carbon nanotubes on the filter 27 to speed up the discharge of the cleaning liquid. Finally, the first electromagnetic valve 211 in the second discharge pipe 210 is opened, and then the filtered and cleaned carbon nanotubes are discharged into the next step for further processing through the second scraper 215. In this way, the carbon nanotubes before purification are cleaned and filtered, and the dust and impurities mixed inside are cleaned to avoid affecting the subsequent high-temperature purification processing, thereby improving the efficiency and quality of carbon nanotube purification.

[0031] Reference Figure 1-9 As shown, this embodiment discloses that the outer surface of the stirring rod 6 is fixedly connected with a spiral blade 216, and the spiral blade 216 is arranged in the inner wall of the feed pipe. By arranging the spiral blade 216, the carbon nanotubes placed in the feed pipe can be uniformly transported to the centrifugal boss 212, so that it can achieve the effect of uniform feeding, and at the same time, it is convenient for the centrifugal boss 212 to centrifugally throw out the carbon nanotubes and fully mix them with the cleaning liquid. The cross-sections of the first scraper 214 and the second scraper 215 are both arc-shaped, and the positions where the first scraper 214 and the second scraper 215 have the largest bending angles are respectively on the same circumference line as the outlets of the first discharge pipe 26 and the second discharge pipe 210. By arranging the first scraper 214 and the second scraper 215 into an arc shape, the carbon nanotubes at the upper edge of the partition 25 and the filter screen 27 can be accurately scraped into the first discharge pipe 26 and the second discharge pipe 210 for easy discharge.

[0032] Reference Figure 1-9As shown, the present embodiment discloses a preheating and drying device 3 including a belt 31, a guide box 32 is fixedly connected to the outer surface of the high-temperature purification furnace 1, a plurality of heating tubes 36 are fixedly connected to the inner wall of the guide box 32, a first connecting tube 33 is penetrated and connected to the top of the guide box 32, a guide cover 34 is penetrated and connected to one end of the first connecting tube 33, a fan blade 35 is penetrated and connected to one side of the inner wall of the guide cover 34, the inner walls at both ends of the belt 31 are respectively sleeved on the outer surfaces of one end of the stirring rod 6 and the fan blade 35, a second connecting tube 37 is penetrated and connected to the bottom of the inner wall of the guide box 32, a guide hole 39 is opened on the outer surface of one end of the stirring, and the outer surface of the stirring rod 6 is provided with the guide hole 39 for rotation connection It is connected to a groove ring block 38, one end of the second connecting pipe 37 penetrates the outer surface of the high-temperature purification furnace 1 and extends to the outer surface of the groove ring block 38 and is connected thereto, the outer surface of the stirring rod 6 is symmetrically connected to a hollow rod 310 for rotation, the inner wall of the hollow rod 310 is connected to the inner wall of the guide hole 39, and the outer surface of the hollow rod 310 is symmetrically connected to a plurality of air outlet pipes 311, the inner wall of the high-temperature purification furnace 1 is located at the bottom of the two hollow rods 310 and is fixedly connected to a heating plate 314, one side of the heating plate 314 is connected thereto with a third discharge pipe 320, the inner wall of the third discharge pipe 320 is provided with a second electromagnetic valve 321, and the stirring rod 6 is connected thereto by penetration. After the cleaned carbon nanotubes are discharged from the second discharge pipe 210 and fall onto the heating plate 314, the heating plate 314 is started for heating, and the heating tube 36 inside the guide box 32 is started for heating at the same time. The rotation of the stirring rod 6 drives the belt 31 to rotate, thereby driving the fan blades 35 to rotate in the inner wall of the guide cover 34, sucking the external wind into the guide cover 34, and then entering the guide box 32 through the first connecting pipe 33 to exchange heat with the heating tube 36 to form hot wind, and then entering the interior of the groove ring block 38 through the second connecting pipe 37, so that it enters the hollow rod 310 through the guide hole 39, and finally discharged by a plurality of air outlet pipes 311, so that The hollow rod 310 can blow up the carbon nanotubes on the heating plate 314 while stirring and turning them over as the stirring rod 6 rotates, thereby improving the efficiency of heating and drying. The surface moisture of the cleaned carbon nanotubes can be dried and removed by the heating plate 314 and the hot air, and the volatile impurities doped inside can also be effectively removed, creating more favorable conditions for subsequent high-temperature purification processing and improving the efficiency of purification. At the same time, preheating the carbon nanotubes can make the carbon nanotubes gradually adapt to the high-temperature environment and reduce the thermal stress caused by the rapid temperature change during the high-temperature purification process, thereby avoiding material damage and improving product quality.

[0033] Reference Figure 1-9As shown, this embodiment discloses that a bevel gear 312 is fixedly connected to one end of a hollow rod 310, a bevel gear ring block 313 is fixedly connected to the inner wall of the high-temperature purification furnace 1, and the bevel gear 312 is meshed with the bevel gear ring block 313. By providing the bevel gear 312 and the bevel gear ring block 313, while the stirring rod 6 drives the two hollow rods 310 to rotate, the bevel gear 312 will mesh and roll on the bevel gear ring block 313, thereby driving the hollow rod 310 to rotate, lifting the carbon nanotubes on the heating plate 314, so that the carbon nanotubes that fall down can fully contact with the surface of the heating plate 314 for drying, thereby improving the drying efficiency and preheating efficiency. The inner wall of the high-temperature purification furnace 1 is located on both sides of the bevel gear ring block 313 and is fixedly connected with a first annular plate 315, and a second annular plate 316 is rotatably connected between one side of the two first annular plates 315, and one side of the second annular plate 316 is connected to the outer surface of one end of the hollow rod 310 through a penetration, and the bevel gear 312 and the bevel gear ring block 313 are both arranged in the inner walls of the two first annular plates 315 and the second annular plates 316. By arranging the first annular plate 315 and the second annular plate 316, the bevel gear 312 and the bevel gear ring block 313 can be protected without hindering the hollow rod 310 from rotating with the aid of the bevel gear 312, so as to prevent the carbon nanotubes from getting stuck in the tooth gap and affecting the use.

[0034] Reference Figure 1-9 As shown, this embodiment discloses a carbon nanotube purification device for carbon nanotube processing according to claim 5, characterized in that: the inner wall of the air outlet pipe 311 is fixedly connected with a plurality of protective blocks 317, and the plurality of protective blocks 317 are arranged at equal distances. By providing the protective blocks 317, the inner wall at the outlet of the air outlet pipe 311 can be protected to prevent external carbon nanotubes from entering the inner wall of the air outlet pipe 311 and causing blockage and affecting use, so that only the internal wind can be discharged. A bearing 318 is fixedly connected to the outer surface of one end of the hollow rod 310, and the outer ring of the bearing 318 is fixedly connected to the outer surface of the stirring rod 6. By providing the bearing 318, the rotational wear between the hollow rod 310 and the stirring rod 6 can be reduced, which facilitates the rotation of the hollow rod 310 and improves the service life of both.

[0035] Reference Figure 1-9 As shown, the present embodiment discloses that a plurality of guide plates 319 are symmetrically fixedly connected to the inner wall of the guide box 32, and the dimension between two opposite guide plates 319 at one end close to the heating tube 36 is smaller than the dimension at the other end. By providing the guide plates 319, the wind delivered by the first connecting tube 33 can be directed to the heating tube 36, so that it can fully contact with the surface of the heating tube 36 to exchange heat and become hot wind, thereby improving the heating effect and facilitating more uniform heating of the wind.

[0036] The working principle is as follows: when a high-temperature purification furnace 1 is used to purify carbon nanotubes during the production and processing of carbon nanotubes, the carbon nanotubes can be placed in the feeding tube 24 before high-temperature purification, and then the motor 5 on the bracket 4 is started to drive the stirring rod 6 to rotate, thereby driving the centrifugal boss 212 and the rectangular plate 213 to rotate at high speed between the bottom of the feeding tube 24 and the partition 25, and the carbon nanotubes transported in by the feeding tube 24 are centrifugally thrown out to both sides. At this time, the water pump 22 on the water tank 21 is started at the same time to draw the cleaning liquid in the water tank 21 into the guide nozzle, and spray it on the interior of the high-temperature purification furnace 1 above the partition 25, so as to fully contact the carbon nanotubes thrown out by centrifugation and clean them. After cleaning, the first electromagnetic valve 211 in the first discharge pipe 26 is opened, and then the first scraper The plate 214 can discharge the carbon nanotube slurry into the filter screen 27 through the first discharge pipe 26. The carbon nanotubes in the slurry will be filtered out by the filter screen 27, while the cleaning liquid and the cleaned impurities will pass through the filter screen 27 and fall into the sewage pool 28, and then be discharged through the discharge pipe. When the stirring rod 6 rotates, it will drive the second scraper 215 to scrape the carbon nanotubes on the filter screen 27 to speed up the discharge of the cleaning liquid. Finally, the first electromagnetic valve 211 in the second discharge pipe 210 is opened, and then the filtered and cleaned carbon nanotubes are discharged into the next step for further processing through the second scraper 215. In this way, the carbon nanotubes before purification are cleaned and filtered, and the dust and impurities mixed inside are cleaned to avoid affecting the subsequent high-temperature purification processing, thereby improving the efficiency and quality of carbon nanotube purification.After the cleaned carbon nanotubes are discharged by the second discharge pipe 210 and fall onto the heating plate 314, the heating plate 314 is started for heating, and the heating tube 36 inside the guide box 32 is started for heating at the same time. The rotation of the stirring rod 6 will drive the belt 31 to rotate, thereby driving the fan blades 35 to rotate in the inner wall of the guide cover 34, sucking the external wind into the guide cover 34, and then entering the guide box 32 through the first connecting pipe 33 to exchange heat with the heating tube 36 to form hot wind, and then entering the interior of the groove ring block 38 through the second connecting pipe 37, so that it enters the hollow rod 310 through the guide hole 39, and finally discharged from a plurality of air outlet pipes 311, so that the hollow rod 310 can stir and turn the carbon nanotubes on the heating plate 314 as the stirring rod 6 rotates and can blow them away, so as to improve the efficiency of heating and drying. While the stirring rod 6 drives the two hollow rods 310 to rotate, the bevel gear 312 will mesh and roll on the bevel gear ring block 313, thereby driving the hollow rod 310 to rotate, lifting the carbon nanotubes on the heating plate 314 so that the carbon nanotubes that fall down can fully contact and dry with the surface of the heating plate 314, thereby improving the drying efficiency and preheating efficiency. Through the heating and drying of the heating plate 314 and hot air, the surface moisture of the cleaned carbon nanotubes can be dried and removed, and the volatile impurities doped inside can be effectively removed, creating more favorable conditions for subsequent high-temperature purification processing and improving the purification efficiency. At the same time, preheating the carbon nanotubes can make the carbon nanotubes gradually adapt to the high-temperature environment, reduce the thermal stress caused by the rapid temperature change during the high-temperature purification process, thereby avoiding material damage and improving product quality.

Claims

1. A carbon nanotube purification device for carbon nanotube processing, comprising a high-temperature purification furnace (1), characterized in that: A bracket (4) is fixedly connected to one side of the top of the high-temperature purification furnace (1), a motor (5) is fixedly connected to one side of the bracket (4), a stirring rod (6) is fixedly connected to the output end of the motor (5), and the stirring rod (6) is connected to the high-temperature purification furnace (1). A centrifugal cleaning device (2) is arranged on the inner wall of the top of the high-temperature purification furnace (1), and a preheating and drying device (3) is arranged on the inner wall of the top of the high-temperature purification furnace (1). The centrifugal cleaning device (2) can clean and filter the carbon nanotubes just before purification, and the preheating and drying device (3) can dry and remove moisture on the surface of the cleaned carbon nanotubes.

2. The carbon nanotube purification device for carbon nanotube processing according to claim 1, characterized in that: The centrifugal cleaning device (2) comprises a water tank (21) and a water pump (22), one side of the water tank (21) is fixedly connected to one side of the high-temperature purification furnace (1), one end of the water inlet pipe of the water pump (22) is connected to the top side of the water tank (21), the outlet of the water pump (22) is fixedly connected to a guide nozzle, the top inner wall of the high-temperature purification furnace (1) is connected to the guide nozzle, the top of the high-temperature purification furnace (1) is connected to a feed pipe (24), the feed pipe (24) is sleeved on the outer surface of one end of the stirring rod (6), the inner wall of the high-temperature purification furnace (1) is fixedly connected to a partition (25), one side of the partition (25) is connected to a first discharge pipe (26), the inner wall of the high-temperature purification furnace (1) is fixedly connected to a filter screen (27), the inner wall of the high-temperature purification furnace (1) is located at the bottom of the filter screen (27) and is fixedly connected to a sewage tank (28), the sewage tank The inner wall of the filter (28) penetrates and extends to the outer surface of the high-temperature purification furnace (1) where a sewage pipe (29) is provided. A second discharge pipe (210) is connected between the filter screen (27) and the sewage tank (28). The inner walls of the first discharge pipe (26) and the second discharge pipe (210) are both provided with a first electromagnetic valve (211). The stirring rod (6) is connected to the partition (25), the filter screen (27) and one side of the sewage tank (28). The outer surface of the stirring rod (6) is fixedly connected to a centrifugal boss (212) located between the top of the partition (25) and the bottom of the feed pipe. The outer surface of the centrifugal boss (212) is fixedly connected to a plurality of rectangular plates (213). The outer surface of the centrifugal boss (212) is symmetrically fixedly connected to a first scraper (214). The outer surface of the stirring rod (6) is located at the top of the filter screen (27) and is symmetrically fixedly connected to a second scraper (215).

3. The carbon nanotube purification device for carbon nanotube processing according to claim 2, characterized in that: The outer surface of the stirring rod (6) is fixedly connected with a spiral blade (216), and the spiral blade (216) is arranged in the inner wall of the feeding pipe.

4. The carbon nanotube purification device for carbon nanotube processing according to claim 2, characterized in that: The cross-sections of the first scraper (214) and the second scraper (215) are both arc-shaped, and the positions where the bending angles of the first scraper (214) and the second scraper (215) are the largest are on the same circumference as the outlets of the first discharge pipe (26) and the second discharge pipe (210), respectively.

5. The carbon nanotube purification device for carbon nanotube processing according to claim 1, characterized in that: The preheating and drying device (3) comprises a belt (31), a guide box (32) is fixedly connected to the outer surface of the high-temperature purification furnace (1), a plurality of heating tubes (36) are fixedly connected to the inner wall of the guide box (32), a first connecting tube (33) is penetrated and connected to the top of the guide box (32), a guide cover (34) is penetrated and connected to one end of the first connecting tube (33), a fan blade (35) is penetrated and connected to one side of the inner wall of the guide cover (34), the inner walls at both ends of the belt (31) are respectively sleeved on the outer surfaces of one end of the stirring rod (6) and the fan blade (35), the bottom of the inner wall of the guide box (32) is penetrated and connected to the second connecting tube (37), the outer surface of one end of the stirring rod (6) is provided with a guide hole (39), and the outer surface of the stirring rod (6) provided with the guide hole (39) is rotatably connected to A groove ring block (38), one end of the second connecting pipe (37) penetrates the outer surface of the high-temperature purification furnace (1) and extends to the outer surface of the groove ring block (38) and is connected thereto; the outer surface of the stirring rod (6) is symmetrically connected to a hollow rod (310); the inner wall of the hollow rod (310) is connected to the inner wall of the guide hole (39); the outer surface of the hollow rod (310) is symmetrically connected to a plurality of air outlet pipes (311); the inner wall of the high-temperature purification furnace (1) is fixedly connected to a heating plate (314) at the bottom of the two hollow rods (310); a third discharge pipe (320) is connected to one side of the heating plate (314); a second electromagnetic valve (321) is provided on the inner wall of the third discharge pipe (320); and the stirring rod (6) is connected to the heating pipe (36) by penetration.

6. The carbon nanotube purification device for carbon nanotube processing according to claim 5, characterized in that: A bevel gear (312) is fixedly connected to one side of one end of the hollow rod (310), a bevel gear ring block (313) is fixedly connected to the inner wall of the high-temperature purification furnace (1), and the bevel gear (312) meshes with the bevel gear ring block (313).

7. The carbon nanotube purification device for carbon nanotube processing according to claim 6, characterized in that: The inner wall of the high-temperature purification furnace (1) is located on both sides of the bevel gear ring block (313) and is fixedly connected to a first circular plate (315); a second circular plate (316) is rotatably connected between one side of the two first circular plates (315); one side of the second circular plate (316) is connected to the outer surface of one end of the hollow rod (310) through a through hole; the bevel gear (312) and the bevel gear ring block (313) are both arranged in the inner walls of the two first circular plates (315) and the second circular plate (316).

8. The carbon nanotube purification device for carbon nanotube processing according to claim 5, characterized in that: A plurality of protection blocks (317) are fixedly connected to the inner wall of the air outlet pipe (311), and the plurality of protection blocks (317) are arranged at equal distances.

9. The carbon nanotube purification device for carbon nanotube processing according to claim 5, characterized in that: A bearing (318) is fixedly connected to the outer surface of one end of the hollow rod (310), and the outer ring of the bearing (318) is fixedly connected to the outer surface of the stirring rod (6).

10. The carbon nanotube purification device for carbon nanotube processing according to claim 5, characterized in that: A plurality of guide plates (319) are symmetrically fixedly connected to the inner wall of the guide box (32), and the dimension between two ends of the guide plates (319) close to the heating tube (36) is smaller than the dimension between the other ends.

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