Preparation device of carbon nano tube and graphene conductive agent

Abstract

The utility model relates to the technical field of conductive agent manufacturing equipment, in particular to a carbon nano tube and graphene conductive agent preparation device which comprises a stock bin, the discharging end of the stock bin is connected with a grinding machine through a pipeline, the discharging end of the grinding machine is connected with a homogenizer through a pipeline, and the discharging end of the homogenizer is connected with a sand mill through a pipeline. The discharging end of the sand mill is connected with a slurry finished product tank through a pipeline, the discharging end of the slurry finished product tank is connected with a drying device through a pipeline, and the discharging end of the drying device is connected with a finished product collecting tank through a pipeline. According to the preparation device for the carbon nano tube and the graphene conductive agent, uniform-speed discharging can be achieved through the stock bin, materials are evenly discharged outwards from the bottom of the stock bin through the spiral material pushing piece, it is guaranteed that the materials are evenly discharged during conveying, and large-amount accumulation at a discharging opening is avoided; and through the structural arrangement in the drying bin, the processed materials can be fully dried, moisture in the materials is thoroughly removed, and therefore drying of the materials is guaranteed, and later storage is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of conductive agent manufacturing equipment, in particular to a preparation device for carbon nanotube and graphene conductive agents. Background Art

[0002] Conductive agent is a conductive material added during the production of electrode sheets to ensure that the electrode has good charge and discharge performance. It collects microcurrents between active materials and between active materials and current collectors to reduce the contact resistance of the electrode and accelerate the movement rate of electrons. It can also effectively improve the charge and discharge efficiency of the electrode.

[0003] In the preparation of the conductive agent, the conductive agent feed is not uniform enough, which can easily cause the conductive agent to cause blockage inside the equipment, affecting the operation of the equipment. In addition, the conductive agent will contain a certain amount of moisture after preparation. The existing drying method is hot air drying, which has a poor drying effect and cannot completely evaporate the internal moisture of the conductive agent. Utility Model Content

[0004] The purpose of the utility model is to provide a preparation device for carbon nanotube and graphene conductive agent, so as to solve the problem that the conductive agent feeding is not uniform enough, which may easily cause the conductive agent to be blocked inside the equipment and affect the operation of the equipment, and the conductive agent will contain a certain amount of moisture after preparation. The existing drying method is hot air drying, which has a poor drying effect and cannot completely evaporate the internal moisture of the conductive agent.

[0005] To achieve the above-mentioned purpose, the utility model provides a preparation device for carbon nanotubes and graphene conductive agents, including a silo, the discharge end of the silo is connected to a grinder through a pipeline, the discharge end of the grinder is connected to a homogenizer through a pipeline, the discharge end of the homogenizer is connected to a sand mill through a pipeline, the discharge end of the sand mill is connected to a slurry finished product tank through a pipeline, the discharge end of the slurry finished product tank is connected to a drying device through a pipeline, the discharge end of the drying device is connected to a finished product collection tank through a pipeline, a plurality of inclined guide plates are arranged inside the silo, a feeding channel is arranged at the bottom of the silo, and a spiral pushing assembly is installed inside the feeding channel.

[0006] Preferably, the spiral pusher assembly comprises a rotating shaft, a spiral pusher piece is mounted on the outer side of the rotating shaft, and one end of the rotating shaft is driven to rotate by a motor.

[0007] Preferably, a feed port is provided at the top of the silo, and a discharge pipe is connected to one discharge end of the spiral pushing assembly.

[0008] Preferably, the drying device includes a drying chamber, a partition is provided inside the drying chamber, a cache chamber is provided on one side of the partition, a heating chamber is provided on the other side of the partition, one side of the cache chamber is connected to an inlet, a spray pipe is installed on the top of the heating chamber, one end of the spray pipe extends into the cache chamber and is installed with a liquid pump, a plurality of spray heads are installed on the other end of the spray pipe, and a discharge port is provided on one side of the bottom of the heating chamber.

[0009] Preferably, a plurality of heating components are installed in the middle of the heating chamber, and the heating components are arranged at equal intervals from top to bottom.

[0010] Preferably, the heating assembly comprises a fixing ring, an electric heating tube is installed on the inner outer wall of the fixing ring, and the electric heating tube is a ring structure.

[0011] Preferably, the material guide plate forms an S-shaped material guide channel from top to bottom inside the material bin, and the bottom end of the material guide channel is connected to the feed end of the material delivery channel.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the preparation device of carbon nanotube and graphene conductive agent, the material silo provided therein can realize uniform speed material discharge, and the material is uniformly discharged outward from the bottom of the silo by means of a spiral push piece, thereby ensuring uniform discharge of the material during transportation without causing a large amount of accumulation at the discharge port, and the structural setting inside the drying silo can fully dry the processed material and completely remove the moisture in the material, thereby ensuring the dryness of the material and facilitating later storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the silo in the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the drying device in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the heating component in the utility model.

[0018] The meaning of each number in the figure is:

[0019] 1. Material bin; 11. Material guide plate; 12. Material feed port; 13. Material conveying channel; 14. Rotating shaft; 15. Screw pusher; 16. Motor; 17. Feeding pipe; 2. Grinder; 3. Homogenizer; 4. Sand mill; 5. Slurry finished product tank; 6. Drying device; 61. Drying bin; 611. Inlet; 62. Partition; 63. Buffer bin; 64. Heating bin; 65. Spray tube; 651. Spray head; 66. Heating assembly; 661. Fixing ring; 662. Electric heating tube; 67. Discharge port; 7. Finished product collection tank. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] The utility model provides a preparation device for carbon nanotubes and graphene conductive agents, such as Figure 1-Figure 4 As shown, it includes a silo 1, the discharge end of the silo 1 is connected to a grinder 2 through a pipeline for grinding the material, the discharge end of the grinder 2 is connected to a homogenizer 3 through a pipeline for emulsifying, homogenizing and dispersing the material, the discharge end of the homogenizer 3 is connected to a sand mill 4 through a pipeline for sand grinding the material, the grinder 2, the homogenizer 3, and the sand mill 4 are all conventional equipment for preparing the existing conductive agent, and are not described in detail here, the discharge end of the sand mill 4 is connected to a slurry finished product tank 5 through a pipeline for storing the finished product, the discharge end of the slurry finished product tank 5 is connected to a drying device 6 through a pipeline for further drying the finished product, the discharge end of the drying device 6 is connected to a finished product collection tank 7 through a pipeline for storing the dried material, a plurality of inclined guide plates 11 are arranged inside the silo 1, a feeding channel 13 is arranged at the bottom of the silo 1, and a spiral pushing assembly is installed inside the feeding channel 13, so that the material transportation in the silo 1 can be guaranteed to be uniform and avoid blockage.

[0022] In this embodiment, the spiral pusher assembly includes a rotating shaft 14, and a spiral pusher piece 15 is installed on the outer side of the rotating shaft 14. One end of the rotating shaft 14 is driven to rotate by a motor 16. The rotating shaft 14 is driven to rotate by the motor 16, thereby driving the spiral pusher piece 15 to perform a pushing operation.

[0023] Specifically, a feed port 12 is provided at the top of the silo 1 for material to enter, and a discharge end of the spiral push assembly is connected to a discharge pipe 17 for material to be discharged.

[0024] Furthermore, the drying device 6 includes a drying bin 61, a partition 62 is provided inside the drying bin 61, a buffer bin 63 is provided on one side of the partition 62 for temporarily storing materials to be dried, a heating bin 64 is provided on the other side of the partition 62, one side of the buffer bin 63 is connected to an inlet 611, a spray pipe 65 is installed on the top of the heating bin 64, one end of the spray pipe 65 extends into the buffer bin 63 and is installed with a liquid pump, and a plurality of spray heads 651 are installed on the other end of the spray pipe 65, and a discharge port 67 is provided on one side of the bottom of the heating bin 64, and the liquid material is sprayed out in a mist form through the spray pipe 65, and the water is quickly evaporated when encountering the external air to form dry particles.

[0025] Furthermore, a plurality of heating components 66 are installed in the middle of the heating chamber 64. The heating components 66 are arranged at equal intervals from top to bottom, so that the sprayed mist particles are dried to ensure that the moisture is removed.

[0026] Furthermore, the heating assembly 66 includes a fixed ring 661, and an electric heating tube 662 is installed on the inner outer wall of the fixed ring 661. The electric heating tube 662 is a ring structure to ensure that when the mist particles move downward, a circle of heating area is formed on the outside to ensure uniform heating.

[0027] Furthermore, the guide plate 11 forms an S-shaped guide channel from top to bottom inside the silo 1, and the bottom end of the guide channel is connected to the feed end of the feed channel 13, so that the material falls slowly and is evenly distributed to avoid accumulation caused by falling all at once.

[0028] When the preparation device of carbon nanotube and graphene conductive agent of the utility model is used, firstly, the material is introduced from the feed port 12 of the silo 1, and the material moves through the internal S-shaped material guide channel from top to bottom formed in the silo 1, so that the material falls slowly and is evenly distributed, and the material is prevented from being piled up due to a one-time fall. The material enters the feeding channel 13 from the bottom end of the material guide channel, and is transported in the feeding channel 13 by the spiral pushing component, and the rotating shaft 14 is driven to rotate by the motor 16, thereby driving the spiral pushing piece 15 to push the material, so that the material is evenly discharged from the discharge pipe 17, and then the material is processed by the grinder 2, the homogenizer 3, and the sand mill 4 in turn, and the processed material enters the slurry finished product tank 5 for storage, and then enters the drying device 6 through the pipeline, and the liquid material is sprayed out in a mist form through the liquid pump spray pipe 65, and the water is quickly evaporated when encountering the external air to form dry particles, and the material is discharged outward through the discharge port 67 and enters the finished product collection tank 7 for collection.

[0029] Finally, it should be noted that the electronic components of the grinder 2, homogenizer 3, sand mill 4, etc. in this embodiment are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods. In the idle space of this device, all the above-mentioned electrical components are connected by wires respectively, and the specific connection means should refer to the working sequence between the electrical components in the above-mentioned working principle to complete the electrical connection, which are all well-known technologies in the art.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for preparing carbon nanotubes and graphene conductive agents, comprising a silo (1), characterized in that: The discharge end of the silo (1) is connected to a grinder (2) via a pipeline, the discharge end of the grinder (2) is connected to a homogenizer (3) via a pipeline, the discharge end of the homogenizer (3) is connected to a sand mill (4) via a pipeline, the discharge end of the sand mill (4) is connected to a slurry finished product tank (5) via a pipeline, the discharge end of the slurry finished product tank (5) is connected to a drying device (6) via a pipeline, the discharge end of the drying device (6) is connected to a finished product collection tank (7) via a pipeline, a plurality of inclined guide plates (11) are arranged inside the silo (1), a feed channel (13) is arranged at the bottom of the silo (1), and a spiral pusher assembly is installed inside the feed channel (13).

2. The device for preparing carbon nanotubes and graphene conductive agents according to claim 1, characterized in that: The spiral pusher assembly comprises a rotating shaft (14), a spiral pusher sheet (15) is installed on the outer side of the rotating shaft (14), and one end of the rotating shaft (14) is driven to rotate by a motor (16).

3. The device for preparing carbon nanotubes and graphene conductive agents according to claim 1, characterized in that: The top of the silo (1) is provided with a feed inlet (12), and one discharge end of the spiral push assembly is connected to a discharge pipe (17).

4. The device for preparing carbon nanotube and graphene conductive agent according to claim 1, characterized in that: The drying device (6) comprises a drying chamber (61), a partition (62) is arranged inside the drying chamber (61), a buffer chamber (63) is arranged on one side of the partition (62), a heating chamber (64) is arranged on the other side of the partition (62), one side of the buffer chamber (63) is connected to an inlet (611), a spray pipe (65) is installed on the top of the heating chamber (64), one end of the spray pipe (65) extends into the buffer chamber (63) and is installed with a liquid pump, and the other end of the spray pipe (65) is installed with a plurality of spray heads (651), and a discharge port (67) is arranged on one side of the bottom of the heating chamber (64).

5. The device for preparing carbon nanotube and graphene conductive agent according to claim 4, characterized in that: A plurality of heating components (66) are installed in the middle of the heating chamber (64), and the heating components (66) are arranged at equal intervals from top to bottom.

6. The device for preparing carbon nanotube and graphene conductive agent according to claim 5, characterized in that: The heating assembly (66) comprises a fixing ring (661), and an electric heating tube (662) is installed on the inner outer wall of the fixing ring (661), and the electric heating tube (662) is an annular structure.

7. The device for preparing carbon nanotube and graphene conductive agent according to claim 1, characterized in that: The material guide plate (11) forms an S-shaped material guide channel from top to bottom inside the material bin (1), and the bottom end of the material guide channel is connected to the feed end of the material delivery channel (13).

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