A magnetic transmission centrifugal separation device for carbon nanotube and graphene composite slurry

Abstract

The utility model discloses a kind of carbon nanotube and graphene composite slurry's magnetic transmission centrifugal separation device, it is related to centrifugal separation technical field, including machine seal and drive assembly, the top of machine seal is placed with cover plate, the drive assembly is set in the top of cover plate, and drive assembly includes motor, transmission disc, first magnet, second magnet and rotating shaft, the top of cover plate is placed with motor, and the output shaft of motor is connected with transmission disc, the bottom of transmission disc is fixed with first magnet, and the below of first magnet is magnetically attracted and connected with second magnet. The carbon nanotube and graphene composite slurry's magnetic transmission centrifugal separation device is set by drive assembly, since discharge port is established in the upper outer side of rotating shaft, there is a end distance between second magnet, therefore, in slurry conveying process, avoid slurry and second magnet contact, prevent pollution and abrasion from occurring, simultaneously sealing ring can also improve the sealing performance between cover plate and rotating shaft.

Description

Technical Field

[0001] This utility model relates to the field of centrifugal separation technology, specifically to a magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry. Background Technology

[0002] Carbon nanotubes and graphene, as cutting-edge carbon nanomaterials, are widely used in energy, electronics, composite materials and other fields. However, in industrial production, their performance often deteriorates due to impurities (such as metal catalyst residues and agglomerated particles) or size mixtures. Therefore, centrifugal separation devices are needed to separate them.

[0003] For example, utility model CN210729718U discloses a magnetic drive centrifugal separator and a grinding machine including the device. This utility model uses a magnetic motor drive, eliminating the need for a pulley, thus reducing its footprint. A discharge channel is formed between the shaft and the baffle, eliminating the need for a rotary joint to connect the shaft for discharge, simplifying the structure. However, the drive magnet is located inside the discharge channel, which may wear down after prolonged use and may also contaminate the raw materials, affecting product quality. Utility Model Content

[0004] The purpose of this invention is to provide a magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry, comprising a mechanical seal and a drive assembly. A cover plate is mounted on the top of the mechanical seal, and the drive assembly is located on the top of the cover plate. The drive assembly includes a motor, a transmission disk, a first magnet, a second magnet, and a rotating shaft. The motor is mounted on the top of the cover plate, and the output shaft of the motor is connected to the transmission disk. The first magnet is fixed at the bottom of the transmission disk, and the second magnet is magnetically connected below the first magnet. The rotating shaft is fixed at the bottom of the second magnet, and a discharge port is opened on the upper outer side of the rotating shaft. A discharge pipe is provided on one side of the mechanical seal.

[0006] Furthermore, a feed inlet is provided at the bottom of the rotating shaft, and a filter assembly is provided on the outer side of the lower end of the rotating shaft.

[0007] Furthermore, the discharge ports are equidistantly distributed in a circle on the upper outer circumference of the rotating shaft, and the discharge ports are connected to the inlet ports.

[0008] Furthermore, the filter assembly includes a retaining ring and a slide rod, with the retaining ring disposed in the lower middle part of the rotating shaft, and the slide rod fixed between the two retaining rings.

[0009] Furthermore, the filter assembly also includes springs and telescopic sleeves, with springs sleeved on the outer sides of both ends of the slide rod, and telescopic sleeves sleeved on the outer sides of the springs.

[0010] Furthermore, the filter assembly also includes a movable plate and a filter cylinder, with the movable plate fixed to one end of the telescopic sleeve and the filter cylinder provided at the bottom of the movable plate.

[0011] Furthermore, the movable plate is slidably connected to the slide rod, and the movable plate is also slidably connected to the rotating shaft.

[0012] Furthermore, a sealing bushing is fitted on the outer side of the middle part of the rotating shaft, and a sealing ring is provided on the upper part of the rotating shaft.

[0013] This invention provides a magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry, which has the following advantages:

[0014] 1. By setting the drive component, the discharge port is located on the upper outer side of the rotating shaft, and there is a distance between it and the second magnet. Therefore, during the slurry conveying process, the slurry is prevented from contacting the second magnet, thus preventing contamination and wear. At the same time, the sealing ring can also improve the sealing performance between the cover plate and the rotating shaft, prevent slurry leakage, and further improve the stability of the transmission between the first magnet and the second magnet.

[0015] 2. By setting up a filter assembly, when the slurry enters the filter cylinder under the pressure of the external pump, some large particles of impurities will be blocked outside the filter cylinder. At this time, the fixed ring is driven to rotate synchronously by the drive assembly, which makes the filter cylinder rotate. Under the action of centrifugal force, some impurities are separated from the filter cylinder, avoiding continuous clogging and affecting the separation effect. At the same time, the fixed ring and the movable plate are elastically connected by a spring, so vibration is easy to occur during rotation. The vibration further enhances the effect of impurities falling off the outside of the filter cylinder, thereby improving the separation efficiency. Attached Figure Description

[0016] Figure 1 This is a frontal three-dimensional structural diagram of a magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry according to the present invention.

[0017] Figure 2 This is a three-dimensional structural diagram of the rotating shaft of a magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry according to the present invention.

[0018] Figure 3 This is a three-dimensional structural diagram of the vibration component of a magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry according to the present invention.

[0019] In the diagram: 1. Mechanical seal; 2. Cover plate; 3. Drive assembly; 301. Motor; 302. Transmission disc; 303. First magnet; 304. Second magnet; 305. Rotating shaft; 4. Discharge port; 5. Discharge pipe; 6. Inlet; 7. Filter assembly; 701. Fixing ring; 702. Slide rod; 703. Spring; 704. Telescopic sleeve; 705. Movable plate; 706. Filter cylinder; 8. Sealing bushing; 9. Sealing ring. Detailed Implementation

[0020] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0021] like Figure 1 and Figure 2 As shown, a magnetically driven centrifugal separation device for carbon nanotube and graphene composite slurry includes a mechanical seal 1 and a drive assembly 3. A cover plate 2 is mounted on top of the mechanical seal 1, and the drive assembly 3 is positioned on top of the cover plate 2. The drive assembly 3 includes a motor 301, a transmission disk 302, a first magnet 303, a second magnet 304, and a rotating shaft 305. The motor 301 is mounted on top of the cover plate 2, and the output shaft of the motor 301 is connected to the transmission disk 302. The first magnet 303 is fixed to the bottom of the transmission disk 302, and the second magnet 304 is magnetically connected below the first magnet 303. A rotating shaft 305 is fixed at the bottom of 04. A discharge port 4 is provided on the upper outer side of the rotating shaft 305. A discharge pipe 5 is provided on one side of the mechanical seal 1. A feed port 6 is provided at the bottom of the rotating shaft 305. A filter assembly 7 is provided on the lower outer side of the rotating shaft 305. The discharge ports 4 are equidistantly distributed in a circle around the upper outer circumference of the rotating shaft 305. The discharge ports 4 and the feed ports 6 are connected. Since the discharge ports 4 are located on the upper outer side of the rotating shaft 305 and there is a distance between them and the second magnet 304, the slurry is prevented from contacting the second magnet 304 during the slurry transportation process to prevent contamination and wear.

[0022] like Figure 1 and Figure 3As shown, the filter assembly 7 includes a fixed ring 701 and a slide rod 702. A fixed ring 701 is positioned at the lower middle part of the rotating shaft 305, and a slide rod 702 is fixed between the two fixed rings 701. The filter assembly 7 also includes a spring 703 and a telescopic sleeve 704. Springs 703 are sleeved on the outer sides of both ends of the slide rod 702, and telescopic sleeves 704 are sleeved on the outer sides of the springs 703. The springs 703 are prone to vibration during rotation, which further enhances the impurity removal effect. The telescopic sleeves 704 protect the outer sides of the springs 703. The filter assembly 7 also includes a movable plate 705 and a filter cylinder 706. A movable plate 705 is fixed to one end of the telescopic sleeve 704, and the movable plate 705... A filter cylinder 706 is provided at the bottom of the 5. The movable plate 705 is slidably connected to the slide rod 702, and the movable plate 705 is also slidably connected to the rotating shaft 305. When the slurry enters the filter cylinder 706 under the pressure of the external pump body, some large particles of impurities will be blocked outside the filter cylinder 706. At this time, the fixed ring 701 is driven to rotate synchronously by the drive component 3, so that the filter cylinder 706 can rotate on its own, and some impurities will be separated from the filter cylinder 706 under the action of centrifugal force, so as to avoid continuous blockage and affect the separation effect. A sealing bushing 8 is sleeved on the outer side of the middle part of the rotating shaft 305, and a sealing ring 9 is provided on the upper part of the rotating shaft 305. The sealing ring 9 can improve the sealing performance between the cover plate 2 and the rotating shaft 305 and prevent slurry leakage.

[0023] In summary, the magnetic drive centrifugal separation device for this carbon nanotube and graphene composite slurry, when used, first according to... Figure 1 , Figure 2 and Figure 3The structure shown involves first installing the mechanical seal 1 onto the housing. Then, when the carbon nanotube and graphene composite slurry is pumped into the housing, the slurry moves towards the filter cartridge 706 under hydraulic pressure. Some large particles are blocked outside the filter cartridge 706. At this point, the motor 301 is started, causing the transmission disc 302 to rotate. This, in turn, drives the rotating shaft 305 to rotate via the first magnet 303 and the second magnet 304, causing the fixed ring 701 to rotate synchronously. This allows the filter cartridge 706 to rotate, and some impurities will separate from the filter cartridge 706 under centrifugal force, preventing continuous clogging and ensuring effective separation. Simultaneously, the fixed ring 701 and the movable plate 705 are elastically connected by a spring 703, thus preventing vibration during rotation. The vibration further enhances the effect of impurities falling off the outside of the filter cartridge 706, thereby improving the efficiency of separation. The telescopic sleeve 704 is used to protect the outside of the spring 703. Finally, the filtered slurry enters the rotating shaft 305 through the feed port 6, and then enters the space between the mechanical seal 1 and the cover plate 2 through the discharge port 4. At this time, since the discharge port 4 is located on the upper outer side of the rotating shaft 305, there is a distance between it and the second magnet 304. Therefore, during the slurry transportation process, the slurry is prevented from contacting the second magnet 304 to prevent contamination and wear. At the same time, the sealing ring 9 can also improve the sealing performance between the cover plate 2 and the rotating shaft 305 to prevent slurry leakage. Finally, the slurry is discharged into the collection pipe through the discharge pipe 5.

[0024] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A magnetically driven centrifugal separation device for carbon nanotube and graphene composite slurry, comprising a mechanical seal (1) and a drive assembly (3), characterized in that, The mechanical seal (1) is topped with a cover plate (2), and the drive assembly (3) is located on the top of the cover plate (2). The drive assembly (3) includes a motor (301), a transmission disk (302), a first magnet (303), a second magnet (304), and a rotating shaft (305). The cover plate (2) is topped with a motor (301), and the output shaft of the motor (301) is connected to the transmission disk (302). The bottom of the transmission disk (302) is fixed with a first magnet (303), and the bottom of the first magnet (303) is magnetically connected with a second magnet (304). The bottom of the second magnet (304) is fixed with a rotating shaft (305). The upper outer side of the rotating shaft (305) is provided with a discharge port (4), and a discharge pipe (5) is provided on one side of the mechanical seal (1).

2. The magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry according to claim 1, characterized in that, The bottom of the rotating shaft (305) is provided with a feed inlet (6), and a filter assembly (7) is provided on the outer side of the lower end of the rotating shaft (305).

3. The magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry according to claim 2, characterized in that, The discharge port (4) is equidistantly distributed on the upper outer circumference of the rotating shaft (305), and the discharge port (4) is connected to the feed port (6).

4. The magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry according to claim 2, characterized in that, The filter assembly (7) includes a retaining ring (701) and a slide rod (702). The retaining ring (701) is disposed in the lower middle part of the rotating shaft (305), and the slide rod (702) is fixed between the two retaining rings (701).

5. The magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry according to claim 4, characterized in that, The filter assembly (7) further includes a spring (703) and a telescopic sleeve (704). The spring (703) is sleeved on the outer side of both ends of the slide rod (702), and the telescopic sleeve (704) is sleeved on the outer side of the spring (703).

6. The magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry according to claim 5, characterized in that, The filter assembly (7) further includes a movable plate (705) and a filter cylinder (706). One end of the telescopic sleeve (704) is fixed with the movable plate (705), and the bottom of the movable plate (705) is provided with the filter cylinder (706).

7. The magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry according to claim 6, characterized in that, The movable plate (705) is slidably connected to the slide rod (702), and the movable plate (705) is also slidably connected to the rotating shaft (305).

8. The magnetic drive centrifugal separation device for carbon nanotube and graphene composite slurry according to claim 6, characterized in that, A sealing bushing (8) is fitted on the outer side of the middle part of the rotating shaft (305), and a sealing ring (9) is provided on the upper part of the rotating shaft (305).

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