Crushing device for carbon nanotubes

Abstract

The utility model relates to the technical field of crushing devices, and discloses a carbon nanotube crushing device which comprises a mixing mechanism, a gas crusher, a first cyclone separator and a second cyclone separator which are sequentially communicated through pipelines, the mixing mechanism comprises a frame body, a tank body is rotatably arranged on the frame body, a feeding hole for inputting a carbon nanotube raw material and a medium is formed in the upper end of the tank body, a plurality of stirring mechanisms are arranged in the tank body, a first collecting tank for collecting the medium is arranged at a discharging hole of the first cyclone separator, and a second collecting tank for collecting the medium is arranged at a discharging hole of the second cyclone separator. And a second collecting tank for collecting the crushed carbon nanotubes is arranged at a discharge hole of the second cyclone separator. According to the utility model, the tank body of the material mixing mechanism is rotatably arranged on the frame body, and meanwhile, a plurality of stirring mechanisms are arranged in the tank body, so that a carbon nano tube raw material in the tank body can be fully mixed with a medium, and the mixing effect of a carbon nano tube and the medium is effectively improved, thereby ensuring the subsequent crushing effect of the carbon nano tube.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing devices, in particular to a crushing device for carbon nanotubes. Background Art

[0002] In the process of making carbon nanotubes into conductive agents, they need to be crushed into small particles. In the crushing process, the carbon nanotubes are first mixed with the medium, and then the mixed materials are transported to the gas crusher, and finally the medium and the carbon nanotubes are collected separately.

[0003] However, due to the different densities of carbon nanotubes and the medium, the mixing effect is poor during the mixing process, which seriously affects the subsequent crushing effect. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a carbon nanotube crushing device, which improves the mixing effect of the carbon nanotubes and the medium and ensures the crushing effect of the carbon nanotubes.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A carbon nanotube crushing device comprises a mixing mechanism, a gas crusher, a first cyclone separator and a second cyclone separator which are sequentially connected through a pipeline; the mixing mechanism comprises a frame, a tank body is rotatably provided on the frame, a feed port for inputting carbon nanotube raw materials and medium is provided at the upper end of the tank body, a plurality of stirring mechanisms are provided inside the tank body, a first collecting tank for collecting medium is provided at the discharge port of the first cyclone separator, and a second collecting tank for collecting crushed carbon nanotubes is provided at the discharge port of the second cyclone separator.

[0007] Preferably, the feed port is connected with a feed pipe, and the other end of the feed pipe is connected with a first delivery pipe for delivering carbon nanotubes and a second delivery pipe for delivering a medium.

[0008] Preferably, rotating shafts are rotatably provided on both sides of the upper end of the frame, one end of the rotating shaft is connected to the tank body, and the other end of any one of the rotating shafts is connected to a rotating motor.

[0009] Preferably, the stirring mechanism comprises a stirring shaft, stirring paddles are staggered on the stirring shaft, a stirring motor is provided on the outer wall of the tank body, and the upper end of the stirring shaft penetrates the tank body to connect with the stirring motor.

[0010] Preferably, the middle portion of the tank body is connected to the frame body, and the stirring mechanism is provided on both sides of the upper end of the tank body and both sides of the lower end of the tank body.

[0011] Preferably, the air outlet of the second cyclone separator is provided with an exhaust pipe, and the exhaust pipe is provided with a dust collector.

[0012] Preferably, a shock-absorbing pad is provided at the lower end of the frame.

[0013] Compared with the prior art, the carbon nanotube crushing device of the embodiment of the utility model has the following beneficial effects: by arranging a mixing mechanism between the feed and the gas crusher, and rotatably arranging the tank body of the mixing mechanism on the frame body, and arranging a plurality of stirring mechanisms inside the tank body, when the carbon nanotube raw material and the medium are fed into the tank body, the tank body itself rotates, and the stirring mechanism is started at the same time. Under the action of the rotation of the tank body itself and the stirring mechanism, the carbon nanotube raw material and the medium inside the tank body are fully mixed, which effectively improves the mixing effect of the carbon nanotubes and the medium, thereby ensuring the subsequent carbon nanotube crushing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram of the carbon nanotube crushing device of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the mixing mechanism of the utility model.

[0016] Among them: 1-mixing mechanism, 2-gas pulverizer, 3-first cyclone separator, 4-second cyclone separator, 5-frame, 6-tank body, 7-first collecting tank, 8-second collecting tank, 9-feeding pipe, 10-first conveying pipe, 11-second conveying pipe, 12-rotating shaft, 13-rotating motor, 14-agitation shaft, 15-agitation motor, 16-exhaust pipe, 17-dust collector, 18-vibration damping pad. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0018] It should be noted that in the description of this application, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0019] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] like Figure 1-2 As shown, a carbon nanotube crushing device according to a preferred embodiment of the utility model comprises a mixing mechanism 1, a gas crusher 2, a first cyclone separator 3 and a second cyclone separator 4 which are sequentially connected through pipelines; the mixing mechanism 1 comprises a frame 5, a tank body 6 is rotatably provided on the frame 5, a feed inlet for inputting carbon nanotube raw materials and medium is provided at the upper end of the tank body 6, a plurality of stirring mechanisms are provided inside the tank body 6, a first collecting tank 7 for collecting medium is provided at the discharge port of the first cyclone separator 3, and a second collecting tank 8 for collecting crushed carbon nanotubes is provided at the discharge port of the second cyclone separator 4.

[0021] During operation, the carbon nanotube raw material and the medium are fed into the tank 6 of the mixing mechanism 1 through the feed port. The fully mixed raw materials enter the gas pulverizer 2 to be pulverized under the action of the mixing mechanism 1. After pulverization, the first cyclone separator 3 collects the medium, and the second cyclone separator 4 collects the pulverized carbon nanotubes. Among them, the medium is chromium oxide, and the gas pulverizer 2 uses 2-6 times supersonic airflow for pulverization.

[0022] The carbon nanotube crushing device based on the above technical features is provided with a mixing mechanism 1 between the feed and the gas crusher 2, and the tank body 6 of the mixing mechanism 1 is rotatably provided on the frame 5, and a plurality of stirring mechanisms are provided inside the tank body 6. When the carbon nanotube raw material and the medium are fed into the tank body 6, the tank body 6 rotates itself and the stirring mechanism is started. Under the action of the rotation of the tank body 6 itself and the stirring mechanism, the carbon nanotube raw material and the medium inside the tank body 6 are fully mixed, which effectively improves the mixing effect of the carbon nanotubes and the medium, thereby ensuring the subsequent carbon nanotube crushing effect.

[0023] In this embodiment, in order to facilitate the transportation of carbon nanotubes and the medium, the feed port is connected with a feed pipe 9, and the other end of the feed pipe 9 is connected with a first delivery pipe 10 for delivering carbon nanotubes and a second delivery pipe 11 for delivering the medium, that is, the carbon nanotubes and the medium are first delivered separately, then mixed in the feed pipe 9, and finally fully mixed in the mixing mechanism 1.

[0024] In this embodiment, the tank body 6 can be rotated in a variety of ways as long as it is convenient for mixing. However, considering that the upper end of the tank body 6 needs to be fed and the lower end of the tank body 6 needs to be discharged, the tank body 6 preferably adopts a swinging mode, and a rotating shaft 12 can be rotatably provided on both sides of the upper end of the frame 5, one end of the rotating shaft 12 is connected to the tank body 6, and the other end of any one of the rotating shafts 12 is connected to a rotating motor 13. Under the action of the rotating motor 13, the rotating shaft 12 rotates, thereby driving the tank body 6 to swing. At the same time, in order to reduce vibration during the swinging process, a shock-absorbing pad 18 is provided at the lower end of the frame 5.

[0025] In this embodiment, the middle of the tank body 6 is connected to the frame body 5, and the stirring mechanism is provided on both sides of the upper end of the tank body 6 and both sides of the lower end of the tank body 6. By providing four stirring mechanisms, the material can be fully mixed. The stirring mechanism includes a stirring shaft 14, on which stirring paddles are staggered, and a stirring motor 15 is provided on the outer wall of the tank body 6. The upper end of the stirring shaft 14 penetrates the tank body 6 and is connected to the stirring motor 15. When the material needs to be mixed, the stirring motor 15 is started to drive the stirring paddle to achieve mixing of the material.

[0026] In the specific setting, the tank body 6 may include a connecting part, and the upper and lower ends of the connecting part are respectively provided with stirring parts, the stirring part located at the bottom is an inverted cone, and the stirring part located at the top is a right cone, the stirring mechanisms are all arranged in the stirring part, and the rotating shaft 12 is connected to the connecting part.

[0027] In this embodiment, the air outlet of the second cyclone separator 4 is provided with an exhaust pipe 16, and the exhaust pipe 16 is provided with a dust collector 17, which can remove dust from the exhaust gas to ensure the cleanliness of the exhaust gas.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A carbon nanotube crushing device, Features: It includes a mixing mechanism, a gas crusher, a first cyclone separator and a second cyclone separator which are connected in sequence through pipelines; the mixing mechanism includes a frame, a tank body is rotatably provided on the frame, a feed port for inputting nano-carbon tube raw materials and medium is provided at the upper end of the tank body, a plurality of stirring mechanisms are provided inside the tank body, a first collecting tank for collecting medium is provided at the discharge port of the first cyclone separator, and a second collecting tank for collecting crushed nano-carbon tubes is provided at the discharge port of the second cyclone separator.

2. The carbon nanotube pulverizing device according to claim 1, Features: The feed port is connected with a feed pipe, and the other end of the feed pipe is connected with a first delivery pipe for delivering carbon nanotubes and a second delivery pipe for delivering a medium.

3. The carbon nanotube pulverizing device according to claim 1, Features: Rotating shafts are rotatably provided on both sides of the upper end of the frame, one end of each rotating shaft is connected to the tank body, and the other end of any one of the rotating shafts is connected to a rotating motor.

4. The carbon nanotube pulverizing device according to claim 1, Features: The stirring mechanism comprises a stirring shaft, stirring paddles are staggered on the stirring shaft, a stirring motor is arranged on the outer wall of the tank body, and the upper end of the stirring shaft penetrates the tank body and is connected to the stirring motor.

5. The carbon nanotube pulverizing device according to claim 1, Features: The middle part of the tank body is connected to the frame body, and the stirring mechanism is provided on both sides of the upper end of the tank body and both sides of the lower end of the tank body.

6. The carbon nanotube pulverizing device according to any one of claims 1 to 5, Features: The air outlet of the second cyclone separator is provided with an exhaust pipe, and the exhaust pipe is provided with a dust collector.

7. The carbon nanotube pulverizing device according to any one of claims 1 to 5, Features: A shock-absorbing pad is arranged at the lower end of the frame.

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