Graphite carbon nanotube pickling equipment

Abstract

The utility model discloses graphite carbon nanotube pickling equipment which comprises a first support and a second support, a plurality of wheel carriers are fixed at the top of the second support, supporting rollers are rotatably connected to the surfaces of the wheel carriers, pickling cylinders are slidably connected to the surfaces of the supporting rollers, an ultrasonic generator and a driving motor are fixed at the top of the first support, and the driving motor is connected with the ultrasonic generator. A plurality of transducers are fixed to the surface of the pickling cylinder, the surface of the pickling cylinder communicates with a feeding valve and a first discharging valve, a stirring rod is rotationally connected to the inner wall of the pickling cylinder, a transmission shaft is fixed to an output shaft of the driving motor, magnetic couplers are fixed to one end of the stirring rod and one end of the transmission shaft, and a gear ring is fixed to the surface of the pickling cylinder; the surface of the gear ring is meshed with a gear, a transmission structure is arranged on the top of the first support, and the bottom of the first discharge valve communicates with a separation box. According to the utility model, the carbon nanotubes can be more dispersed in the pickling process, and the condition of poor pickling effect caused by agglomeration of the carbon nanotubes is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon nanotube pickling technical field, concretely is a graphite carbon nanotube pickling equipment. BACKGROUND

[0002] Graphite carbon nanotube is a nanometer level tubular structure that is curled by single layer or multilayer graphene sheet, and the carbon nanotube has wide application prospect in multiple fields such as electronics, composite material, energy storage, and in the production process of carbon nanotube, generally, carbon nanotube needs to be pickled.

[0003] At present, carbon nanotube is generally put into a beaker, and various acid liquor is added to carry out pickling, and after pickling, the acid liquor is poured out, and the deficiency of the method is that carbon nanotube is not easy to be soaked uniformly by acid liquor due to the agglomeration of carbon nanotube, thereby affecting the pickling effect of carbon nanotube. UTILITY MODEL CONTENT

[0004] The utility model discloses a graphite carbon nanotube pickling equipment, can make carbon nanotube more dispersed in the pickling process, avoids the situation that the pickling effect is poor due to the agglomeration of carbon nanotube.

[0005] To achieve the above object, the utility model provides the following technical scheme: a graphite carbon nanotube pickling equipment, including first support and second support, the second support top is fixed with a plurality of wheel supports, the wheel support surface is rotatably connected with the support roller, the support roller surface is slidably connected with the pickling cylinder, the first support top is fixed with ultrasonic generator and drive motor, the pickling cylinder surface is fixed with a plurality of transducers, the pickling cylinder surface is connected with feeding valve and first discharge valve, the pickling cylinder inner wall is rotatably connected with the stirring rod, the drive motor output shaft is fixed with transmission shaft, the stirring rod and transmission shaft one end are all fixed with magnetic coupler, the pickling cylinder surface is fixed with the gear ring, the gear ring surface is engaged with the gear, the first support top is provided with transmission structure, the first discharge valve bottom is connected with the separation box, the separation box inner wall is fixed with the mounting frame, the mounting frame surface is slidably connected with the filter membrane, the separation box surface is slidably connected with the closed door, the separation box bottom is connected with the second discharge valve.

[0006] Compared with the prior art, the utility model has the advantages of the following:

[0007] The carbon nanotube and the acid liquid can be added into the pickling barrel through the feeding valve, the driving motor can drive the stirring rod to rotate synchronously through the cooperation of the two magnetic couplings when the driving motor is started, the transmission structure can drive the gear to rotate, the pickling barrel can also rotate through the meshing of the gear and the gear ring, and the rotating directions of the pickling barrel and the stirring rod are opposite, so that strong shear force and turbulent flow are generated, the acid liquid and the carbon nanotube are more fully mixed, the mixing mode is helpful to break the agglomeration phenomenon between the carbon nanotubes, ensures that each nanotube can be uniformly exposed to the acid liquid, thereby improving the pickling efficiency, and the cooperation of the ultrasonic generator and the transducer can form a large number of micro-bubbles in the acid liquid, the rapid formation and rupture of the bubbles can generate a local high-temperature and high-pressure environment, the effect can accelerate the chemical reaction between the acid liquid and the impurities on the surface of the carbon nanotube, improve the pickling efficiency, and ensure that all parts of the carbon nanotube can be effectively treated, after the pickling is completed, the first discharge valve and the second discharge valve can be opened, the acid liquid can be discharged from the separation box through the second discharge valve, and the carbon nanotube can be intercepted by the filter membrane, after the acid liquid is completely discharged, an operator can take out the closure door and collect and treat the carbon nanotube on the surface of the filter membrane. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0009] Figure 2 It is another three-dimensional structure schematic view of the utility model from another perspective;

[0010] Figure 3 It is a sectional structure schematic view of the utility model;

[0011] Figure 4 It is a local structure schematic view of the utility model;

[0012] Figure 5 It is a local sectional structure schematic view of the utility model.

[0013] Label explanation: 1, first support; 2, second support; 3, wheel frame; 4, supporting roller; 5, pickling barrel; 6, ultrasonic generator; 7, transducer; 8, feeding valve; 9, first discharge valve; 10, separation box; 11, second discharge valve; 12, filter membrane; 13, closure door; 14, stirring rod; 15, driving motor; 16, transmission shaft; 17, magnetic coupler; 18, gear ring; 19, gear; 20, side plate; 21, driven shaft; 22, chain wheel; 23, U-shaped frame; 24, bearing seat; 25, mounting frame; 26, connecting block; 27, guide plate; 28, sealing gasket. DETAILED DESCRIPTION

[0014] As Figures 1-5As shown, a graphite carbon nanotube pickling equipment, including first support 1 and second support 2, the top of the second support 2 is fixed with a plurality of wheel frame 3, the surface of the wheel frame 3 is rotatably connected with support roller 4, the surface of the support roller 4 is slidably connected with pickling cylinder 5, the top of the first support 1 is fixed with ultrasonic generator 6 and drive motor 15, the surface of the pickling cylinder 5 is fixed with a plurality of transducers 7, the ultrasonic generator 6 is electrically connected with the transducer 7, the surface of the pickling cylinder 5 is communicated with the feed valve 8 and the first discharge valve 9, the inner wall of the pickling cylinder 5 is rotatably connected with the stirring rod 14, the output shaft of the drive motor 15 is fixed with the transmission shaft 16, the stirring rod 14 and the transmission shaft 16 are both fixed with the magnetic coupler 17, the surface of the pickling cylinder 5 is fixed with the gear ring 18, the surface of the gear ring 18 is engaged with the gear 19, the top of the first support 1 is provided with transmission structure, the bottom of the first discharge valve 9 is communicated with the separation tank 10, the inner wall of the separation tank 10 is fixed with the mounting frame 25, the surface of the mounting frame 25 is slidably connected with the filter membrane 12, the surface of the separation tank 10 is slidably connected with the closed door 13, the bottom of the separation tank 10 is communicated with the second discharge valve 11;

[0015] The support roller 4 can rotate on the surface of the wheel frame 3, and the support roller 4 can also support the pickling cylinder 5, the carbon nanotube and the acid liquid can be added into the pickling cylinder 5 through the feed valve 8, the drive motor 15 can drive the stirring rod 14 to rotate synchronously through the cooperation of the two magnetic couplers 17 when the drive motor 15 is started, the transmission structure can drive the gear 19 to rotate together, the pickling cylinder 5 can also rotate through the meshing of the gear 19 and the gear ring 18, and the rotating direction of the pickling cylinder 5 and the stirring rod 14 is opposite, so that strong shear force and turbulent flow can be generated, so that the acid liquid and the carbon nanotube are more fully mixed, this mixing method can help to break the agglomeration phenomenon between the carbon nanotubes, ensure that each nanotube can be uniformly exposed to the acid liquid, thereby improving the pickling efficiency, and the cooperation of the ultrasonic generator 6 and the transducer 7 can form a large number of micro bubbles in the acid liquid, the rapid formation and rupture of these bubbles can produce a local high temperature and high pressure environment, this effect can accelerate the chemical reaction between the acid liquid and the impurities on the surface of the carbon nanotube, improve the pickling efficiency, and ensure that all parts of the carbon nanotube can be effectively treated, after the pickling is completed, the first discharge valve 9 and the second discharge valve 11 can be opened, the acid liquid can be discharged from the separation tank 10 through the second discharge valve 11, and the carbon nanotube can be intercepted by the filter membrane 12, after the acid liquid is completely discharged, the operator can take out the closed door 13 and collect and process the carbon nanotube on the surface of the filter membrane 12.

[0016] Further, the transmission structure on the top of the first support 1 includes side plate 20, the side plate 20 is fixedly connected with the top of the first support 1, the surface of the side plate 20 is rotatably connected with driven shaft 21, one end of the driven shaft 21 is fixedly connected with the surface of the gear 19, the surface of the driven shaft 21 and the transmission shaft 16 are both fixedly connected with sprocket 22, the two sprockets 22 are connected through chain transmission;

[0017] The transmission shaft 16 can drive the driven shaft 21 to rotate by the transmission of the chain wheel 22 and the chain during work, and the driven shaft 21 can drive the gear 19 to rotate synchronously when rotating, so that the gear 19 can drive the pickling cylinder 5 to rotate through the meshing with the gear ring 18, so that the stirring rod 14 and the pickling cylinder 5 can rotate together when the driving motor 15 works.

[0018] Further, the U-shaped frame 23 is fixed to the right side of the inner wall of the pickling cylinder 5, the bearing seat 24 is fixed to the surface of the U-shaped frame 23, and the inner wall of the bearing seat 24 is fixedly connected with the surface of the stirring rod 14. The stirring rod 14 surface slides through the U-shaped frame 23;

[0019] The bearing seat 24 can provide support effect for the right surface of the stirring rod 14, so as to improve the stability of the stirring rod 14 during rotation, and reduce the shaking and deviation of the stirring rod 14 during rotation.

[0020] Further, the guide plate 27 is fixed to the front and rear sides of the inner wall of the separation tank 10, and the top of the guide plate 27 is provided with an inclined surface;

[0021] Through the design of the guide plate 27, the carbon nanotubes and the acid solution can fall into the surface of the filter membrane 12 more easily through the inclined surface at the top of the guide plate 27, so that the filter membrane 12 can more fully separate the acid solution and the carbon nanotubes.

[0022] Further, the sealing gasket 28 is fixed to the surface of the separation tank 10;

[0023] When the closure door 13 is installed on the surface of the separation tank 10, the surface of the closure door 13 will be attached to the surface of the sealing gasket 28, so as to improve the sealing between the separation tank 10 and the closure door 13.

[0024] Further, two connecting blocks 26 are fixed to the surfaces of the separation tank 10 and the closure door 13, and the surface of the connecting block 26 is provided with a through hole;

[0025] When the closure door 13 is installed on the surface of the separation tank 10, the bolt can be passed through the through hole in the surface of the connecting block 26 on both sides, and the nut is installed on the surface of the bolt, so that the closure door 13 can be fixed on the surface of the separation tank 10, thereby preventing the closure door 13 from being separated from the surface of the separation tank 10 when the pickling cylinder 5 drives the separation tank 10 to rotate.

[0026] Working principle: carbon nanotubes and acid liquid are added into the acid pickling cylinder 5 through the feed valve 8, the driving motor 15 is started to drive the stirring rod 14 to rotate, the chain wheel 22 cooperates with the chain to drive the driven shaft 21 to rotate, the gear 19 drives the acid pickling cylinder 5 to rotate through the meshing with the gear ring 18, and the rotation direction of the stirring rod 14 and the acid pickling cylinder 5 is opposite, so that strong shear force and turbulent flow are generated, so that the acid liquid and the carbon nanotubes are more fully mixed, this mixing method helps to break the agglomeration phenomenon between the carbon nanotubes, ensures that each nanotube can be uniformly exposed to the acid liquid, thereby improving the pickling efficiency; meanwhile, through the cooperation of the ultrasonic generator 6 and the transducer 7, a large number of small bubbles can be formed in the acid liquid, the rapid formation and rupture of these bubbles can produce a local high temperature and high pressure environment, this effect can accelerate the chemical reaction between the acid liquid and the impurities on the surface of the carbon nanotubes, improve the pickling efficiency, and ensure that all parts of the carbon nanotubes can be effectively treated, after the pickling is completed, the first discharge valve 9 and the second discharge valve 11 can be opened, the acid liquid can be discharged from the separation tank 10 through the second discharge valve 11, and the carbon nanotubes can be intercepted by the filter membrane 12, after the acid liquid is completely discharged, the operator can take out the sealing door 13 and collect and process the carbon nanotubes on the surface of the filter membrane 12.

[0027] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A pickling device for graphite carbon nanotubes, characterized in that: The utility model relates to a pickling device, including first support (1) and second support (2), the plurality of wheel frame (3) of second support (2) top is fixed, the surface rotatory connection of wheel frame (3) has the support roller (4), the surface sliding connection of support roller (4) has pickling cylinder (5), first support (1) top is fixed with ultrasonic generator (6) and drive motor (15), and the surface of pickling cylinder (5) is fixed with the plurality of transducer (7), the surface of pickling cylinder (5) is connected with feed valve (8) and first discharge valve (9), the inner wall rotatory connection of pickling cylinder (5) has stirring rod (14), the output shaft of drive motor (15) is fixed with transmission shaft (16), and the one end of stirring rod (14) and transmission shaft (16) are all fixed with magnetic coupler (17), and the surface of pickling cylinder (5) is fixed with gear ring (18), and the surface of gear ring (18) is engaged with gear (19), the top of first support (1) is provided with transmission structure, the bottom of first discharge valve (9) is connected with separation tank (10), and the inner wall of separation tank (10) is fixed with mounting frame (25), the surface sliding connection of mounting frame (25) has filter membrane (12), the surface sliding connection of separation tank (10) has enclosed door (13), and the bottom of separation tank (10) is connected with second discharge valve (11).

2. The graphite carbon nanotube pickling apparatus according to claim 1, characterized by: The top transmission structure of first support (1) includes side plate (20), the side plate (20) is fixedly connected with the top of first support (1), the surface rotatory connection of side plate (20) has driven shaft (21), one end of driven shaft (21) is fixedly connected with the surface of gear (19), and the surface of driven shaft (21) and transmission shaft (16) are all fixed with chain wheel (22), and both sides chain wheel (22) are connected through chain transmission.

3. The graphite carbon nanotube pickling apparatus according to claim 1, characterized by: The inner wall right side of pickling cylinder (5) is fixed with U-shaped frame (23), the surface of U-shaped frame (23) is fixed with bearing seat (24), and the inner wall of bearing seat (24) is fixedly connected with the surface of stirring rod (14), and the surface sliding of stirring rod (14) penetrates U-shaped frame (23).

4. The graphite carbon nanotube pickling apparatus according to claim 1, characterized by: The inner wall of separation tank (10) both sides is fixed with guide plate (27), and the top of guide plate (27) is equipped with inclined plane.

5. The graphite carbon nanotube pickling apparatus according to claim 1, characterized by: The surface of separation tank (10) is fixed with sealing gasket (28).

6. The graphite carbon nanotube pickling apparatus according to claim 1, characterized by: The surface of separation tank (10) and enclosed door (13) are all fixed with two connecting blocks (26), and the surface of connecting block (26) is provided with through hole.

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