Continuous acid purification production equipment for carbon nanotubes

Abstract

The utility model relates to continuous acid purification production equipment for carbon nanotubes, which belongs to the technical field of carbon nanotube processing equipment and comprises a processing table, an acidification tank and a filter tank are arranged at the top of the processing table, a first stirring mechanism is arranged in the acidification tank, a heating mechanism is fixedly mounted on one side of the acidification tank, and a second stirring mechanism is fixedly mounted on the other side of the acidification tank. A mixing mechanism is arranged at the top of the acidification mechanism, and a filtering mechanism is arranged in the filtering box. The carbon nanotube acidizing device has the beneficial effects that by arranging the heating mechanism, when the carbon nanotube acidizing device is used, a mixed acidic mixture enters the acidizing box after being prepared and mixed by the mixing mechanism, carbon nanotubes are added into the acidizing box, then the mixture is stirred, mixed and acidized by utilizing the stirring mechanism I, and meanwhile, switches of the water pump II and the heater are turned on; and the liquid water in the water tank is heated to a certain temperature by utilizing the heater, so that the mixture in the acidification tank is subjected to water bath heating through the circulation of the circulating water pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon nanotube processing equipment, in particular to a carbon nanotube continuous acid purification production equipment. Background Art

[0002] Carbon nanotubes, also known as buckytubes, are one-dimensional quantum materials with a special structure. Their radial dimensions are in the nanometer range, their axial dimensions are in the micrometer range, and both ends of the tubes are basically sealed. Carbon nanotubes are mainly composed of several to dozens of layers of coaxial circular tubes of carbon atoms arranged in a hexagonal pattern. The distance between layers is fixed, about 0.34nm, and the diameter is generally 2 to 20nm. And according to the different orientations of the carbon hexagons along the axial direction, they can be divided into three types: zigzag, armchair, and spiral. Among them, spiral carbon nanotubes have chirality, while zigzag and armchair carbon nanotubes do not have chirality.

[0003] The specific process of acid treatment of carbon nanotubes includes the following steps: First, the multi-walled carbon nanotubes are mixed with acid, usually a mixture of concentrated nitric acid and concentrated sulfuric acid, in a ratio of 3:1. Second, the mixture is heated to a certain temperature, usually 80-100°C, and reacted under stirring. The reaction time is usually 1-2 hours.

[0004] The acidification device of carbon nanotubes in the prior art still has the following disadvantages. Because the mixture needs to be heated to a certain temperature when the carbon nanotubes are acidified, the carbon nanotubes need to be heated separately before acidification, which takes a long time and is more complicated to operate, thus affecting production efficiency. Utility Model Content

[0005] To solve the problems raised in the above background technology. The utility model provides a carbon nanotube continuous acid purification production equipment with a heating mechanism to solve the problem that when the carbon nanotubes are acidified, the mixture needs to be heated to a certain temperature. Therefore, the carbon nanotubes need to be heated separately before acidification, which takes a long time and is troublesome to operate, thus affecting the production efficiency.

[0006] The technical scheme of the utility model is: a carbon nanotube continuous acid purification production equipment, comprising a processing table, an acidification box and a filtering box are arranged on the top of the processing table, a stirring mechanism is arranged inside the acidification box, a heating mechanism is fixedly installed on one side of the acidification box, a mixing mechanism is arranged on the top of the acidification mechanism, and a filtering mechanism is arranged inside the filtering box;

[0007] The heating mechanism includes a water tank, a water inlet hopper, a second water pump, a circulating water pipe and a heater. The water tank is fixedly installed on the top of the processing table. The water inlet hopper and the second water pump are fixedly arranged on the top of the water tank. The input end of the second water pump is connected to the water tank, and the output end of the second water pump is connected to the circulating water pipe. The part of the circulating water pipe located inside the acidification tank is spirally distributed on the outside of the stirring mechanism one. The bottom of the circulating water pipe is connected to the water tank. The heater is fixedly installed on one side outer wall of the water tank.

[0008] Furthermore, a support leg is fixedly installed on the bottom of the processing table, and a foot pad is fixedly installed on the bottom end of the support leg.

[0009] Furthermore, the stirring mechanism 1 includes a driving motor, a stirring shaft and a stirring blade. The driving motor is fixedly installed on the top of the acidifying box, the output end of the driving motor is fixedly connected to the stirring shaft, the stirring blade is fixedly installed on the outside of the stirring shaft, a feed hopper 1 is fixedly installed on the top of the acidifying box, an anti-corrosion layer is fixedly installed on the inner wall of the acidifying box, an arc groove is fixedly installed on the bottom inner wall of the acidifying box, a stepping motor is fixedly installed on one side of the outer wall of the acidifying box, a rolling shaft is fixedly installed on the output end of the stepping motor, and a rolling blade is fixedly installed on the outside of the rolling shaft and is located in the arc groove.

[0010] Furthermore, the mixing mechanism includes a support column, a mixing box, a second feed hopper, an output motor, a mixing shaft, mixing blades and an output pipe, the bottom end of the support column is fixedly mounted on the top of the acidification box, the top end of the support column is fixedly connected to the mixing box, the output motor is fixedly mounted on the top of the mixing box, the output end of the output motor is fixedly connected to the mixing shaft, the mixing blades are fixedly mounted on the outside of the mixing shaft, the second feed hopper is fixedly mounted on the top of the mixing box, and the mixing box and the acidification box are connected through the output pipe.

[0011] Furthermore, the filtering mechanism includes a top plate, filter layer one, an adsorption layer, filter layer two, a spring, a vertical rod and a discharge pipe. The inner walls on both sides of the filter box are provided with grooves, the vertical rod is fixedly installed inside the grooves, the top plate and the spring are movably sleeved on the outside of the vertical rod, and the spring is located at the bottom of the top plate, and the two are in contact with each other in a clamping connection. An exhaust hole is provided inside the top wall of the filter box, a gas filter box is arranged on the top of the exhaust hole, filter cotton and activated carbon are arranged inside the gas filter box, and the discharge pipe is fixedly arranged inside one side wall of the filter box.

[0012] Furthermore, a delivery pipe is provided inside the arc-shaped groove, a connecting pipe is fixedly installed on the top of the delivery pipe, a connecting pipe is provided outside the connecting pipe, the other end of the connecting pipe is connected to the filter box, and a water pump 1 is fixedly installed at the bottom of the processing table, and the output end and input end of the water pump 1 are both connected to the connecting pipe.

[0013] The utility model provides a carbon nanotube continuous acid purification production equipment through improvement, which has the following improvements and advantages compared with the prior art:

[0014] By providing a heating mechanism, when in use, the mixed acidic mixture is mixed by the mixing mechanism and then enters the acidification box, the carbon nanotubes are added into the acidification box, and then the mixture is stirred and mixed by the stirring mechanism 1 for acidification treatment, and at the same time, the switches of the water pump 2 and the heater are turned on, and then the liquid water in the water tank is heated to a certain temperature by the heater, so that the mixture in the acidification box is circulated through the circulating water pipe and then heated in a water bath, and the spiral circulating water pipe is used to make the contact area between the circulating water pipe and the mixture wider, so that the mixture is kept at a constant temperature, which is beneficial to improve the acidification efficiency of the carbon nanotubes, and there is no need to heat the carbon nanotubes separately, and there is no need to worry about the problem of low acidification efficiency of the carbon nanotubes due to cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 3 It is a main schematic diagram of the utility model;

[0019] Figure 4 It is a three-dimensional schematic diagram of the arc groove of the utility model;

[0020] Explanation of the reference numerals: 1. Processing table; 2. Support legs; 3. Foot pads; 4. Tumbling blades; 5. Delivery pipe; 6. Connecting pipe; 7. Water pump one; 8. Connecting pipe; 9. Filter box; 10. Discharge pipe; 11. Vertical rod; 12. Filter layer two; 13. Adsorption layer; 14. Spring; 15. Filter layer one; 16. Top plate; 17. Acidification box; 18. Feed hopper one; 19. Heater; 20. Stirring blades; 21. Stirring shaft; 22. Water tank; 23. Water inlet hopper; 24. Water pump two; 25. Circulating water pipe; 26. Mixing blades; 27. Mixing shaft; 28. Output motor; 29. ​​Feed hopper two; 30. Drive motor; 31. Arc groove. DETAILED DESCRIPTION

[0021] The following will be combined with the attached Figures 1 to 4The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides a carbon nanotube continuous acid purification production equipment through improvement. Figure 1-4 As shown in the figure, it includes a processing table 1, an acidification box 17 and a filtering box 9 are arranged on the top of the processing table 1, a stirring mechanism 1 is arranged inside the acidification box 17, a heating mechanism is fixedly installed on one side of the acidification box 17, a mixing mechanism is arranged on the top of the acidification mechanism, and a filtering mechanism is arranged inside the filtering box 9;

[0023] The heating mechanism includes a water tank 22, a water inlet hopper 23, a second water pump 24, a circulating water pipe 25 and a heater 19. The water tank 22 is fixedly installed on the top of the processing table 1. The water inlet hopper 23 and the second water pump 24 are fixedly arranged on the top of the water tank 22. The input end of the second water pump 24 is connected to the water tank 22, and the output end of the second water pump 24 is connected to the circulating water pipe 25. The part of the circulating water pipe 25 located inside the acidification tank 17 is spirally distributed on the outside of the stirring mechanism 1. The bottom of the circulating water pipe 25 is connected to the water tank 22. The heater 19 is fixedly installed on one side outer wall of the water tank 22. A support leg 2 is fixedly installed at the bottom of the processing table 1, and a foot pad 3 is fixedly installed at the bottom end of the support leg 2.

[0024] The stirring mechanism 1 includes a driving motor 30, a stirring shaft 21 and a stirring blade 20. The driving motor 30 is fixedly installed on the top of the acidification box 17. The output end of the driving motor 30 is fixedly connected to the stirring shaft 21. The stirring blade 20 is fixedly installed on the outside of the stirring shaft 21. A feed hopper 18 is fixedly installed on the top of the acidification box 17. An anti-corrosion layer is fixedly installed on the inner wall of the acidification box 17. An arc groove 31 is fixedly installed on the bottom inner wall of the acidification box 17. A stepper motor is fixedly installed on one side of the outer wall of the acidification box 17. A tumbling shaft is fixedly installed on the output end of the stepper motor. A tumbling blade 4 is fixedly installed on the outside of the tumbling shaft and is located in the arc groove 31. The tumbling mechanism is used to prevent the carbon nanotubes from remaining at the bottom, which is conducive to the full contact reaction between the carbon nanotubes and the acidic liquid. By providing a heating mechanism, when in use, the mixed acidic mixture is mixed by the mixing mechanism and then enters the acidification box 17, and the carbon nanotubes are added to the acidification box 17. The mixture is stirred and acidified by a stirring mechanism, and at the same time, the switches of the water pump 24 and the heater 19 are turned on, and the liquid water in the water tank 22 is heated to a certain temperature by the heater 19, so that the mixture in the acidification tank 17 is heated by water bath after circulation through the circulating water pipe 25. The spiral circulating water pipe 25 is used to make the contact area between the circulating water pipe 25 and the mixture wider, so that the mixture is kept at a constant temperature, which is beneficial to improve the acidification efficiency of the carbon nanotubes. There is no need to heat the carbon nanotubes separately, and there is no need to worry about the problem of low acidification efficiency of the carbon nanotubes due to cooling. The external power supply of the device provides power for the device, and the external controller of the device is a PLC board. The controller can be purchased from the market and used after adaptation, programming and debugging by the staff. The controller is electrically connected to the output motor 28, the stepper motor, the drive motor 30, the water pump 1 7 and the water pump 2 24.

[0025] The mixing mechanism includes a support column, a mixing box, a second feed hopper 29, an output motor 28, a mixing shaft 27, a mixing blade 26 and an output pipe. The bottom end of the support column is fixedly mounted on the top of the acidification box 17, the top end of the support column is fixedly connected to the mixing box, the output motor 28 is fixedly mounted on the top of the mixing box, the output end of the output motor 28 is fixedly connected to the mixing shaft 27, the mixing blade 26 is fixedly mounted on the outside of the mixing shaft 27, the second feed hopper 29 is fixedly mounted on the top of the mixing box, the mixing box is connected to the acidification box 17 through the output pipe, and the mixing mechanism can be used to preferentially mix the acidic substances in advance, which is beneficial to control the ratio between the acidic liquids and prevent them from making mistakes. A valve is provided inside the output pipe to control the output of the liquid.

[0026] The filter mechanism includes a top plate 16, a filter layer 15, an adsorption layer 13, a filter layer 2 12, a spring 14, a vertical rod 11 and a discharge pipe 10. The inner walls of both sides of the filter box 9 are provided with grooves, and the vertical rod 11 is fixedly installed inside the grooves. The top plate 16 and the spring 14 are both movably sleeved on the outside of the vertical rod 11, and the spring 14 is located at the bottom of the top plate 16. The two are in contact with each other. An exhaust hole is provided inside the top wall of the filter box 9, and a gas filter box 9 is arranged on the top of the exhaust hole, which is conducive to preventing the discharge of gas with toxic compounds and causing damage to the surrounding environment. The gas filter box 9 is provided with filter cotton and activated carbon inside, the discharge pipe 10 is fixedly arranged inside the side wall of the filter box 9, and a filtering mechanism is adopted to effectively filter the acidified carbon nanotubes by using the filter layer 15, the filter layer 2 12 and the adsorption layer 13, so as to prevent the acidified carbon nanotubes from being mixed with more impurities, which is conducive to the better use of the carbon nanotubes. At the same time, the spring 14 is used, and the top plate 16 and the filtering mechanism are moved downward under the action of the gravity of the liquid, so as to make the filtering effect of the carbon nanotubes better.

[0027] A delivery pipe 5 is arranged inside the arc groove 31, a connecting pipe 6 is fixedly installed on the top of the delivery pipe 5, a connecting pipe 8 is arranged outside the connecting pipe 6, the other end of the connecting pipe 8 is connected to the filter box 9, a water pump 7 is fixedly installed at the bottom of the processing table 1, and the output end and the input end of the water pump 7 are both connected to the connecting pipe 8, which is conducive to the acidification and delivery of the carbon nanotubes.

[0028] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0029] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A carbon nanotube continuous acid purification production equipment, comprising a processing station (1), characterized in that: An acidification box (17) and a filtering box (9) are arranged on the top of the processing table (1); a stirring mechanism 1 is arranged inside the acidification box (17); a heating mechanism is fixedly installed on one side of the acidification box (17); a mixing mechanism is arranged on the top of the acidification mechanism; and a filtering mechanism is arranged inside the filtering box (9); The heating mechanism comprises a water tank (22), a water inlet hopper (23), a second water pump (24), a circulating water pipe (25) and a heater (19). The water tank (22) is fixedly mounted on the top of the processing table (1). The water inlet hopper (23) and the second water pump (24) are fixedly arranged on the top of the water tank (22). The input end of the second water pump (24) is connected to the water tank (22), and the output end of the second water pump (24) is connected to the circulating water pipe (25). The part of the circulating water pipe (25) located inside the acidification tank (17) is spirally distributed on the outside of the stirring mechanism (1). The bottom of the circulating water pipe (25) is connected to the water tank (22). The heater (19) is fixedly mounted on one side outer wall of the water tank (22).

2. The carbon nanotube continuous acid purification production equipment according to claim 1, characterized in that: A support leg (2) is fixedly mounted on the bottom of the processing table (1), and a foot pad (3) is fixedly mounted on the bottom end of the support leg (2).

3. The carbon nanotube continuous acid purification production equipment according to claim 1, characterized in that: The stirring mechanism 1 comprises a driving motor (30), a stirring shaft (21) and a stirring blade (20); the driving motor (30) is fixedly mounted on the top of the acidification box (17); the output end of the driving motor (30) is fixedly connected to the stirring shaft (21); the stirring blade (20) is fixedly mounted on the outside of the stirring shaft (21); a feeding hopper 1 (18) is fixedly mounted on the top of the acidification box (17); an anti-corrosion layer is fixedly mounted on the inner wall of the acidification box (17); an arc groove (31) is fixedly mounted on the bottom inner wall of the acidification box (17); a stepping motor is fixedly mounted on one side outer wall of the acidification box (17); a tumbling shaft is fixedly mounted on the output end of the stepping motor; a tumbling blade (4) is fixedly mounted on the outside of the tumbling shaft and is located in the arc groove (31).

4. The carbon nanotube continuous acid purification production equipment according to claim 1, characterized in that: The mixing mechanism comprises a support column, a mixing box, a second feed hopper (29), an output motor (28), a mixing shaft (27), a mixing blade (26) and an output pipe. The bottom end of the support column is fixedly mounted on the top of the acidification box (17), the top end of the support column is fixedly connected to the mixing box, the output motor (28) is fixedly mounted on the top of the mixing box, the output end of the output motor (28) is fixedly connected to the mixing shaft (27), the mixing blade (26) is fixedly mounted on the outside of the mixing shaft (27), the second feed hopper (29) is fixedly mounted on the top of the mixing box, and the mixing box is connected to the acidification box (17) through the output pipe.

5. The carbon nanotube continuous acid purification production equipment according to claim 1, characterized in that: The filtering mechanism comprises a top plate (16), a filter layer 1 (15), an adsorption layer (13), a filter layer 2 (12), a spring (14), a vertical rod (11) and a discharge pipe (10); grooves are provided on the inner walls of both sides of the filter box (9); the vertical rod (11) is fixedly installed inside the grooves; the top plate (16) and the spring (14) are both movably sleeved on the outer sides of the vertical rod (11); the spring (14) is located at the bottom of the top plate (16); the two are in snap-fitting contact; an exhaust hole is provided inside the top wall of the filter box (9); a gas filter box (9) is provided at the top of the exhaust hole; filter cotton and activated carbon are provided inside the gas filter box (9); and the discharge pipe (10) is fixedly arranged inside a side wall of the filter box (9).

6. The carbon nanotube continuous acid purification production equipment according to claim 3, characterized in that: A delivery pipe (5) is arranged inside the arc-shaped groove (31), a connecting pipe (6) is fixedly installed on the top of the delivery pipe (5), a connecting pipe (8) is arranged outside the connecting pipe (6), the other end of the connecting pipe (8) is connected to a filter box (9), and a water pump (7) is fixedly installed at the bottom of the processing table (1), and the output end and the input end of the water pump (7) are both connected to the connecting pipe (8).

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