Carbon nanotube dispersing device

Abstract

The utility model relates to the technical field of carbon nano tube dispersion, in particular to a carbon nano tube dispersion device which comprises a top cover and a shell, and further comprises a controller, a dispersion tank, a stirring mechanism and a temperature control mechanism, the inner wall of the shell is provided with a containing hole for installing the dispersion tank, the stirring mechanism is arranged in the dispersion tank, and the temperature control mechanism is arranged in the containing hole. The stirring mechanism comprises a rotating shaft, a driving motor, a transmission assembly and a plurality of dispersing assemblies, the temperature control mechanism is arranged on the dispersing tank and comprises a temperature sensor and a heating assembly, the heating assembly is arranged on the inner wall of the dispersing tank, the temperature sensor is inserted into the outer wall of the top cover, and the detection end of the temperature sensor extends into the dispersing tank; the temperature sensor, the driving motor and the heating assembly are all electrically connected with the controller, the carbon nano tube dispersing device can prevent the carbon nano tube from adhering to the dispersing tank, further prevent insufficient dispersion, improve the dispersion effect, prevent resource waste and save the dispersion cost.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon nanotube dispersion, in particular to a carbon nanotube dispersion device. Background Art

[0002] Carbon nanotubes are nanometer-sized tubular materials that are made by curling graphite sheets at a certain spiral angle using arc, laser and other technologies. A single carbon nanotube has very superior physical properties, but it is very easy to agglomerate, and the superior physical properties of carbon nanotubes are greatly weakened after agglomeration. Dispersing agglomerated carbon nanotubes has become a critical issue to be solved.

[0003] The existing carbon nanotube dispersion device has the following shortcomings:

[0004] 1. When dispersing the carbon nanotube solution, the carbon nanotubes inside it tend to adhere to the inner wall of the dispersion device, resulting in insufficient dispersion and waste of resources.

[0005] 2. The stirring rate and heating temperature of the carbon nanotubes cannot be flexibly adjusted, which is not conducive to improving the dispersion effect.

[0006] 3. A single dispersion method is often used to disperse the carbon nanotube solution, which has a slow dispersion speed, resulting in a long overall time consumption and reduced dispersion efficiency. Utility Model Content

[0007] The utility model aims to provide a carbon nanotube dispersing device.

[0008] To achieve this purpose, the utility model adopts the following technical solutions:

[0009] A carbon nanotube dispersing device is provided, comprising a top cover and a shell, wherein the top cover is fixed to the top of the shell by a plurality of bolts;

[0010] It also includes a controller, a dispersion tank, a stirring mechanism and a temperature control mechanism;

[0011] The controller is fixed on the outer wall of the shell;

[0012] The inner wall of the shell is provided with a receiving hole for installing the dispersion tank, and the dispersion tank is rotatably arranged on the inner wall of the receiving hole through two bearings;

[0013] The stirring mechanism is arranged inside the dispersion tank, and the stirring mechanism includes a rotating shaft, a driving motor, a transmission assembly and a plurality of dispersion assemblies. The driving motor is fixedly arranged on the top of the top cover through a support plate, the rotating shaft is rotatably arranged at the center of the top cover, the output end of the driving motor is fixedly connected to the top of the rotating shaft through a coupling, the transmission assembly is arranged between the rotating shaft and the dispersion tank, and the plurality of dispersion assemblies are arranged on the outer wall of the rotating shaft at equal intervals;

[0014] The temperature control mechanism is arranged on the dispersion tank, and the temperature control mechanism includes a temperature sensor and a heating component. The heating component is arranged on the inner wall of the dispersion tank, and the temperature sensor is inserted on the outer wall of the top cover, and its detection end extends into the interior of the dispersion tank. The temperature sensor, the driving motor and the heating component are all electrically connected to the controller.

[0015] Preferably, the transmission assembly includes a driving wheel, a driven wheel, a belt, a gear and a ring gear, the driving wheel is fixed on the rotating shaft, the driven wheel is rotatably arranged on the side wall of the top cover through a hinge shaft, the belt is sleeved on the driving wheel and the driven wheel, the gear is fixed on the hinge shaft, the ring gear is fixed on the outer wall of the dispersion tank, and the ring gear is meshingly connected with the gear.

[0016] Preferably, each dispersion assembly includes a pipe clamp and three rotary blades. The pipe clamp is fixed on the outer wall of the rotating shaft, and the three rotary blades are fixed on the outer wall of the pipe clamp in the circumferential direction.

[0017] Preferably, the heating assembly includes a plurality of electric heating tubes, a plurality of mounting holes are provided on the inner wall of the dispersion tank, each electric heating tube is inserted into an mounting hole, and each electric heating tube is electrically connected to the controller.

[0018] Preferably, two knob switches are provided on the outer wall of the controller, and each knob switch is electrically connected to the controller.

[0019] Preferably, a feeding pipe is fixedly provided on the top of the top cover.

[0020] Preferably, a discharge pipe is fixedly provided at the bottom of the dispersion tank, a solenoid valve is fixedly provided on the outer wall of the discharge pipe, and the solenoid valve is electrically connected to the controller.

[0021] Preferably, the bottom of the dispersion tank is a conical structure, and the bottom of the shell is provided with an avoidance groove for the discharge pipe to rotate.

[0022] Preferably, a liquid storage tank is fixedly provided on the top of the top cover, a liquid outlet is provided at the bottom of the liquid storage tank, an extraction tube is fixedly provided at the bottom of the liquid outlet, a liquid suction pump is fixedly provided on the top of the top cover, the liquid outlet is fixedly connected to the input end of the liquid suction pump, a delivery tube is fixedly provided on the output end of the liquid suction pump, and the liquid suction pump is electrically connected to the controller.

[0023] Preferably, an annular tube is fixedly provided on the top of the top cover via a plurality of clamping blocks, the delivery tube is fixedly connected to the annular tube, and a plurality of atomizing nozzles are fixedly provided on the outer wall of the annular tube via a plurality of branch pipes.

[0024] Beneficial effects of the utility model:

[0025] 1. The utility model, by designing a driving wheel, a driven wheel, a belt, a gear and a gear ring, can disperse the carbon nanotubes through a plurality of dispersion components while driving the dispersion tank to rotate synchronously, thereby avoiding the existing fixedly installed dispersion device, thereby effectively preventing the carbon nanotubes from adhering to the inner wall of the dispersion tank. At the same time, the inner wall of the dispersion tube can be made of a relatively smooth metal, which can also prevent adhesion, thereby preventing insufficient dispersion, improving the dispersion effect, and preventing waste of resources and saving dispersion costs.

[0026] 2. The utility model is designed with two knob switches, one of which is used to adjust the output power of the driving motor, thereby adjusting the rotation speed of the output end of the regulator to achieve the effect of adjusting the stirring rate, and the other knob switch is used to adjust the output power of several heating tubes, thereby adjusting the solution temperature and improving the dispersion effect of the carbon nanotubes. At the same time, the heating temperature is monitored in real time by a temperature sensor to ensure that it remains within a suitable dispersion temperature range. The two knob switches are electrically connected to the controller. By rotating the two knob switches to the left or right, the controller adjusts the output power of the driving motor or several electric heating tubes after receiving the left or right signal, thereby realizing the adjustment of the stirring speed and heating temperature, and then realizing automated dispersion operation.

[0027] 3. The utility model designs several dispersion components. After the carbon nanotube solution is placed in the dispersion tank, the driving motor is started through the controller. Since the output end of the driving motor is fixedly connected to the top of the rotating shaft, the three rotor blades are fixedly connected to the outer wall of the rotating shaft through the pipe clamp, thereby driving the three rotor blades to rotate. The three rotor blades generate shear force and eddy current, so that the carbon nanotubes in the solution are evenly dispersed to prevent the carbon nanotubes from agglomerating.

[0028] 4. The utility model designs a second embodiment, namely, a liquid storage tank, an extraction pipe, a suction pump, a delivery pipe, an annular pipe, a branch pipe and an atomizing nozzle, and several atomizing nozzles are all extended into the upper inner side of the dispersion tank. When the surfactant stored in the liquid storage tank is delivered to the inside of the annular pipe, the delivery pipe is fixedly connected to the annular pipe, and the outer wall of the annular pipe is fixedly connected to several atomizing nozzles through several branch pipes, so that the surfactant is sprayed into the interior of the carbon nanotube solution, so that the surfactant is added simultaneously with the mechanical stirring to achieve dispersion. Through the comprehensive use of multiple dispersion methods, on the one hand, the dispersion efficiency is improved, and on the other hand, the degree of dispersion is improved to a certain extent. The several atomizing nozzles are arranged at equal intervals to ensure that the surfactant is evenly sprayed on the carbon nanotube solution to avoid uneven dispersion. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings in the embodiment of the present invention are briefly introduced below.

[0030] Figure 1It is a three-dimensional structural schematic diagram of the utility model;

[0031] Figure 2 for Figure 1 A in the enlarged view;

[0032] Figure 3 It is a schematic diagram of the cross-sectional structure of the top cover, the outer shell and the dispersion tank of the utility model;

[0033] Figure 4 for Figure 3 The enlarged view of point B in the figure;

[0034] Figure 5 It is a schematic diagram of the three-dimensional structure of the second embodiment of the utility model;

[0035] Figure 6 for Figure 5 The enlarged view of point C in the figure;

[0036] In the figure: top cover 1, shell 2, controller 3, dispersion tank 4, bearing 5, rotating shaft 6, driving motor 7, temperature sensor 8, driving wheel 9, driven wheel 10, belt 11, gear 12, gear ring 13, pipe clamp 14, rotary blade knife 15, electric heating tube 16, knob switch 17, feeding pipe 18, discharge pipe 19, solenoid valve 20, liquid storage tank 21, extraction pipe 22, suction pump 23, delivery pipe 24, annular pipe 25, branch pipe 26, atomizing nozzle 27. DETAILED DESCRIPTION

[0037] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0038] Among them, the drawings are only used for illustrative purposes and represent only schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product.

[0039] Embodiment 1

[0040] The utility model provides a technical solution, referring to Figures 1 to 4 As shown, a carbon nanotube dispersion device comprises a top cover 1 and a shell 2, wherein the top cover 1 is fixed to the top of the shell 2 by a plurality of bolts;

[0041] It also includes a controller 3, a dispersion tank 4, a stirring mechanism and a temperature control mechanism;

[0042] The controller 3 is fixed on the outer wall of the housing 2;

[0043] The inner wall of the housing 2 is provided with a receiving hole for installing the dispersion tank 4, and the dispersion tank 4 is rotatably arranged on the inner wall of the receiving hole through two bearings 5;

[0044] The stirring mechanism is arranged inside the dispersion tank 4, and the stirring mechanism includes a rotating shaft 6, a driving motor 7, a transmission assembly and a plurality of dispersion assemblies. The driving motor 7 is fixedly arranged on the top of the top cover 1 through a support plate, and the rotating shaft 6 is rotatably arranged at the center of the top cover 1. The output end of the driving motor 7 is fixedly connected to the top of the rotating shaft 6 through a coupling, and the transmission assembly is arranged between the rotating shaft 6 and the dispersion tank 4. A plurality of dispersion assemblies are arranged on the outer wall of the rotating shaft 6 at equal intervals.

[0045] The temperature control mechanism is arranged on the dispersion tank 4, and the temperature control mechanism includes a temperature sensor 8 and a heating component. The heating component is arranged on the inner wall of the dispersion tank 4, and the temperature sensor 8 is inserted on the outer wall of the top cover 1, and its detection end extends into the interior of the dispersion tank 4. The temperature sensor 8, the driving motor 7 and the heating component are all electrically connected to the controller 3.

[0046] Reference Figures 1 to 4 As shown, the transmission assembly includes a driving wheel 9, a driven wheel 10, a belt 11, a gear 12 and a ring gear 13. The driving wheel 9 is fixedly arranged on the rotating shaft 6, and the driven wheel 10 is rotatably arranged on the side wall of the top cover 1 through a hinge shaft. The belt 11 is sleeved on the driving wheel 9 and the driven wheel 10, the gear 12 is fixedly arranged on the hinge shaft, and the ring gear 13 is fixedly arranged on the outer wall of the dispersion tank 4. The ring gear 13 is meshed with the gear 12. While the carbon nanotube solution is stirred, the output end of the driving motor 7 is connected to the rotating shaft 6. The driving wheel 9 is fixedly connected to the rotating shaft 6, the driven wheel 10 is fixedly connected to the hinge shaft, the driving wheel 9 and the driven wheel 10 are sleeved by a belt 11, the gear 12 is fixedly connected to the hinge shaft, the ring gear 13 is fixedly connected to the dispersion tank 4, the ring gear 13 is meshed with the gear 12, and the gear 12 is smaller than the diameter of the ring gear 13, thereby driving the dispersion tank 4 to rotate slowly, so that the carbon nanotubes in the solution are not easy to adhere to the inner wall of the dispersion tank 4 during stirring, thereby avoiding insufficient dispersion or waste of resources.

[0047] Reference Figures 1 to 4 As shown, each dispersion component includes a pipe clamp 14 and three rotary blades 15. The pipe clamp 14 is fixed on the outer wall of the rotating shaft 6. The three rotary blades 15 are fixed on the outer wall of the pipe clamp 14 in the circumferential direction. When the carbon nanotube solution is placed in the dispersion tank 4, the driving motor 7 is started by the controller 3. Since its output end is fixedly connected to the top of the rotating shaft 6, the three rotary blades 15 are fixedly connected to the outer wall of the rotating shaft 6 through the pipe clamp 14, thereby driving the three rotary blades 15 to rotate. The three rotary blades 15 generate shear force and eddy current, so that the carbon nanotubes in the solution are evenly dispersed to prevent the carbon nanotubes from agglomerating.

[0048] Reference Figures 1 to 4As shown, the heating assembly includes a plurality of electric heating tubes 16, and a plurality of mounting holes are provided on the inner wall of the dispersion tank 4. Each electric heating tube 16 is inserted into the inside of a mounting hole, and each electric heating tube 16 is electrically connected to the controller 3. While stirring, the plurality of electric heating tubes 16 are started by the controller 3. Since each electric heating tube 16 is located inside the dispersion tank 4, the carbon nanotube solution in the dispersion tank 4 is heated by the plurality of electric heating tubes 16.

[0049] Reference Figures 1 to 4 As shown, two knob switches 17 are provided on the outer wall of the controller 3, and each knob switch 17 is electrically connected to the controller 3. One of the knob switches 17 is used to adjust the output power of the drive motor 7, thereby adjusting the rotation speed of the output end of the regulator to achieve the effect of adjusting the stirring rate, and the other knob switch 17 is used to adjust the output power of several heating tubes, thereby adjusting the solution temperature and improving the dispersion effect of the carbon nanotubes. At the same time, the heating temperature is monitored in real time by the temperature sensor 8 to ensure that it remains within the appropriate dispersion temperature range. The two knob switches 17 are both electrically connected to the controller 3. By rotating the two knob switches 17 to the left or right, the controller 3 adjusts the output power of the drive motor 7 or several electric heating tubes 16 after receiving the left or right signal, thereby realizing the adjustment of the stirring speed and the heating temperature, and then realizing the automated dispersion operation.

[0050] Reference Figures 1 to 4 As shown, a feeding pipe 18 is fixedly provided on the top of the top cover 1 . When dispersing the carbon nanotubes, the carbon nanotube solution is firstly put into the dispersion tank 4 .

[0051] Reference Figures 1 to 4 As shown, a discharge pipe 19 is fixedly provided at the bottom of the dispersion tank 4, and a solenoid valve 20 is fixedly provided on the outer wall of the discharge pipe 19. The solenoid valve 20 is electrically connected to the controller 3. When the carbon nanotubes are evenly dispersed in the solution, the solenoid valve 20 is activated by the controller 3, so that the dispersed solution is discharged from the discharge pipe 19 to the inside of the dispersion tank 4 to realize material discharge.

[0052] Reference Figures 1 to 4 As shown, the bottom of the dispersion tank 4 is a conical structure, and the bottom of the outer shell 2 is provided with an avoidance groove for the discharge pipe 19 to rotate. The conical structure facilitates the rapid discharge of the dispersed solution from the discharge pipe 19, thereby improving the liquid discharge efficiency, and the avoidance groove provides an avoidance space for the rotation of the discharge pipe 19.

[0053] Embodiment 2

[0054] In order to improve the dispersion efficiency of carbon nanotubes, the utility model provides another technical solution;

[0055] Reference Figure 5 to Figure 6As shown, a liquid storage tank 21 is fixedly provided on the top of the top cover 1, a liquid outlet is provided at the bottom of the liquid storage tank 21, an extraction pipe 22 is fixedly provided at the bottom of the liquid outlet, a liquid suction pump 23 is fixedly provided on the top of the top cover 1, the liquid outlet is fixedly connected to the input end of the liquid suction pump 23, a delivery pipe 24 is fixedly provided on the output end of the liquid suction pump 23, the liquid suction pump 23 is electrically connected to the controller 3, a surfactant is stored in the liquid storage tank 21, and while the carbon nanotube solution is being dispersed, the liquid suction pump 23 is started by the controller 3, so that the surfactant stored in the liquid storage tank 21 is delivered to the inside of the annular tube 25 through the extraction pipe 22, the liquid suction pump 23 and the delivery pipe 24.

[0056] Reference Figure 5 to Figure 6 As shown, an annular tube 25 is fixedly provided on the top of the top cover 1 through a plurality of blocks, a delivery tube 24 is fixedly connected to the annular tube 25, a plurality of atomizing nozzles 27 are fixedly provided on the outer wall of the annular tube 25 through a plurality of branch tubes 26, and the plurality of atomizing nozzles 27 are all extended into the upper inner side of the dispersion tank 4. When the surfactant stored in the liquid storage tank 21 is delivered to the inside of the annular tube 25, since the delivery tube 24 is fixedly connected to the annular tube 25, the outer wall of the annular tube 25 is fixedly connected to the plurality of atomizing nozzles 27 through a plurality of branch tubes 26, so that the surfactant is sprayed into the inside of the carbon nanotube solution, so that the surfactant is added simultaneously while the mechanical stirring is performed to achieve dispersion. By using a variety of dispersion methods in combination, on the one hand, the dispersion efficiency is improved, and on the other hand, the degree of dispersion is improved to a certain extent. The plurality of atomizing nozzles 27 are arranged at equal intervals to ensure that the surfactant is evenly sprayed on the carbon nanotube solution to avoid uneven dispersion.

Claims

1. A carbon nanotube dispersion device, comprising a top cover (1) and a housing (2), wherein the top cover (1) is fixed to the top of the housing (2) by a plurality of bolts, and characterized in that: It also includes a controller (3), a dispersion tank (4), a stirring mechanism and a temperature control mechanism; The controller (3) is fixedly mounted on the outer wall of the housing (2); The inner wall of the housing (2) is provided with a receiving hole for installing the dispersion tank (4), and the dispersion tank (4) is rotatably arranged on the inner wall of the receiving hole via two bearings (5); The stirring mechanism is arranged inside the dispersion tank (4), and comprises a rotating shaft (6), a driving motor (7), a transmission assembly and a plurality of dispersion assemblies. The driving motor (7) is fixedly arranged on the top of the top cover (1) via a support plate, the rotating shaft (6) is rotatably arranged at the center of the top cover (1), the output end of the driving motor (7) is fixedly connected to the top of the rotating shaft (6) via a coupling, the transmission assembly is arranged between the rotating shaft (6) and the dispersion tank (4), and the plurality of dispersion assemblies are arranged on the outer wall of the rotating shaft (6) at equal intervals. The temperature control mechanism is arranged on the dispersion tank (4), and comprises a temperature sensor (8) and a heating component. The heating component is arranged on the inner wall of the dispersion tank (4). The temperature sensor (8) is inserted into the outer wall of the top cover (1), and its detection end extends into the interior of the dispersion tank (4). The temperature sensor (8), the drive motor (7) and the heating component are all electrically connected to the controller (3).

2. A carbon nanotube dispersing device according to claim 1, characterized in that: The transmission assembly comprises a driving wheel (9), a driven wheel (10), a belt (11), a gear (12) and a ring gear (13); the driving wheel (9) is fixedly arranged on a rotating shaft (6); the driven wheel (10) is rotatably arranged on a side wall of a top cover (1) via a hinge shaft; the belt (11) is sleeved on the driving wheel (9) and the driven wheel (10); the gear (12) is fixedly arranged on the hinge shaft; the ring gear (13) is fixedly arranged on an outer wall of a dispersion tank (4); and the ring gear (13) is meshedly connected with the gear (12).

3. A carbon nanotube dispersing device according to claim 2, characterized in that: Each dispersion assembly comprises a pipe hoop (14) and three rotary blades (15); the pipe hoop (14) is fixedly arranged on the outer wall of the rotating shaft (6); and the three rotary blades (15) are fixedly arranged on the outer wall of the pipe hoop (14) in the circumferential direction.

4. A carbon nanotube dispersing device according to claim 3, characterized in that: The heating assembly comprises a plurality of electric heating tubes (16). The inner wall of the dispersion tank (4) is provided with a plurality of mounting holes. Each electric heating tube (16) is inserted into an mounting hole. Each electric heating tube (16) is electrically connected to the controller (3).

5. The carbon nanotube dispersing device according to claim 4, characterized in that: Two knob switches (17) are arranged on the outer wall of the controller (3), and each knob switch (17) is electrically connected to the controller (3).

6. The carbon nanotube dispersing device according to claim 5, characterized in that: A feeding pipe (18) is fixedly provided on the top of the top cover (1).

7. The carbon nanotube dispersing device according to claim 6, characterized in that: A discharge pipe (19) is fixedly provided at the bottom of the dispersion tank (4), and a solenoid valve (20) is fixedly provided on the outer wall of the discharge pipe (19). The solenoid valve (20) is electrically connected to the controller (3).

8. The carbon nanotube dispersing device according to claim 7, characterized in that: The bottom of the dispersion tank (4) is a conical structure, and the bottom of the outer shell (2) is provided with an escape groove for the discharge pipe (19) to rotate.

9. The carbon nanotube dispersing device according to claim 8, characterized in that: A liquid storage tank (21) is fixedly provided on the top of the top cover (1), a liquid outlet is provided on the bottom of the liquid storage tank (21), an extraction pipe (22) is fixedly provided at the bottom of the liquid outlet, a liquid suction pump (23) is fixedly provided on the top of the top cover (1), the liquid outlet is fixedly connected to the input end of the liquid suction pump (23), a delivery pipe (24) is fixedly provided on the output end of the liquid suction pump (23), and the liquid suction pump (23) is electrically connected to the controller (3).

10. The carbon nanotube dispersing device according to claim 9, characterized in that: An annular tube (25) is fixedly provided on the top of the top cover (1) via a plurality of clamping blocks, a delivery tube (24) is fixedly connected to the annular tube (25), and a plurality of atomizing nozzles (27) are fixedly provided on the outer wall of the annular tube (25) via a plurality of branch tubes (26).

Images