Catalyst adding device for carbon nanotube manufacturing

Abstract

The utility model discloses a catalyst adding device for manufacturing a carbon nano tube, which comprises an adding component which is fixedly arranged on the side surface of a reactor and is used for adding a catalyst. The gas conveying pipe is installed on the side face of the gas inlet pipe, so that the gas conveying pipe is fixedly connected with the material pipe fixedly connected with the bottom of the catalyst box, and the gas flow in the gas conveying pipe inputs the catalyst into the adding box, and meanwhile, the branch pipe connected with the side face of the discharging pipe on the top of the reactor is also fixedly connected with the adding box; according to the present invention, the conveying mechanism is arranged in the adding box, such that the conveying mechanism in the adding box inputs the catalyst entering the adding box into the first connecting pipe so as to uniformly add the catalyst into the reactor through the first connecting pipe, such that the loss of the catalyst in the high temperature production process during the existing carbon nano-tube manufacturing process is prevented, and the production efficiency of the carbon nano-tube is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon nanotube production equipment, in particular to a catalyst adding device for carbon nanotube production. Background Art

[0002] Carbon nanotubes have the shape of graphene sheets rolled into a tube. Carbon nanotubes rolled into one layer are called single-layer carbon nanotubes, carbon nanotubes rolled into two layers are called double-layer carbon nanotubes, and carbon nanotubes rolled into multiple layers are called multi-layer carbon nanotubes. Carbon nanotubes have high mechanical strength and high conductivity, and are used as negative electrode materials for fuel cells and lithium batteries, as well as high-strength resins formed by composite materials with resins, metals and organic semiconductors, conductive resins, transparent conductive films, metal electrolyte powders, ceramic composites, and electromagnetic wave shielding materials.

[0003] There are several methods for producing carbon nanotubes, such as arc discharge method, laser evaporation method, chemical vapor growth method, etc. In the known catalyst chemical vapor growth method, the catalyst is carried on a carrier. In the existing carbon nanotube production process, the catalyst will be lost during the high-temperature production process, so it is necessary to add the catalyst to the reactor in time. The existing catalyst adding device cannot add the catalyst continuously and evenly, thus affecting the production efficiency of carbon nanotubes. Utility Model Content

[0004] In view of the above-mentioned defects or shortcomings in the prior art, it is desired to provide a catalyst adding device for carbon nanotube manufacturing, which is used to solve the technical problem that in the existing carbon nanotube manufacturing process, the catalyst will be lost during the high-temperature production process, so it is necessary to add the catalyst to the reactor in time, and the existing catalyst adding device cannot add the catalyst continuously and evenly, thus affecting the production efficiency of carbon nanotubes.

[0005] According to the technical solution provided in the embodiment of the present application, a catalyst adding device for carbon nanotube production includes an adding component, which is fixedly installed on the side of the reactor and is used for adding the catalyst;

[0006] The adding assembly includes a catalyst box, an air supply pipe, an adding box, and a transmission mechanism. An air inlet pipe is fixedly connected to the side of the reactor, the air inlet pipe is fixedly connected to the air supply pipe, and the air supply pipe is connected to the material pipe fixedly connected to the bottom of the catalyst box, so that the airflow in the air supply pipe can drive the metal catalyst in the catalyst box to be input into the adding box, and the transmission mechanism is also fixedly connected to the adding box, so that the transmission mechanism can input the catalyst entering the adding box into the first connecting pipe fixedly connected to the bottom of the adding box, so that the catalyst can be evenly input into the reactor.

[0007] Furthermore, a discharge pipe is fixedly connected to the center of the top of the reactor, a branch pipe is fixedly connected to the side of the discharge pipe, and the branch pipe is fixedly connected to the addition box, so that the catalyst rising with the airflow in the reactor can enter the addition box along the branch pipe of the discharge pipe.

[0008] Furthermore, the transmission mechanism includes a rotating driving member and a conveying plate, the conveying plate is rotatably installed inside the addition box, and the conveying plate is fixedly connected to the output end of the rotating driving member, so that the rotating driving member drives the conveying plate to rotate, which is used for uniform transmission of the catalyst entering the addition box.

[0009] Furthermore, the conveying plate is in a spiral structure, so that the spiral conveying plate rotates under the drive of the rotating driving member, so that the conveying plate can evenly input the catalyst in the adding box into the first connecting pipe.

[0010] Furthermore, the other end of the first connecting pipe fixedly connected to the bottom of the addition box is obliquely connected to the reactor, and a valve is fixedly connected to the first connecting pipe so that the valve controls the opening and closing of the first connecting pipe, so as to evenly input the catalyst in the addition box into the reactor.

[0011] Furthermore, a second valve is fixedly connected to the gas pipeline, and the second valve controls the opening and closing of the gas pipeline so that the gas in the air inlet pipe is input into the gas pipeline for transporting the catalyst in the catalyst box.

[0012] To sum up, the beneficial effects of the present application are as follows: when in use, an air supply pipe is installed on the side of the air inlet pipe so that the air supply pipe is fixedly connected to the material pipe fixedly connected to the bottom of the catalyst box, so that the airflow in the air supply pipe inputs the catalyst into the addition box, and at the same time, the branch pipe connected to the side of the discharge pipe at the top of the reactor is also fixedly connected to the addition box, so that the transmission mechanism in the addition box inputs the catalyst entering the addition box into the first connecting pipe, so that the first connecting pipe evenly adds the catalyst into the reactor, thereby preventing the existing carbon nanotubes from being lost during the high-temperature production process during the manufacturing process, and improving the production efficiency of the carbon nanotubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

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

[0015] Figure 2 This is a side view of the structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model.

[0018] Numbers in the figure: adding component-100, catalyst box-110, material pipe-111, gas pipe-120, second valve-121, adding box-130, transmission mechanism-140, rotating drive member-141, transmission plate-142, first connecting pipe-150, valve-151, reactor-200, air inlet pipe-210, discharge pipe-220, branch pipe-221. DETAILED DESCRIPTION

[0019] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0020] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] A catalyst adding device for carbon nanotube production, the structure of which is as follows Figure 1-Figure 4 As shown, it includes an adding component 100, which is fixedly installed on the side of the reactor 200 and is used for adding catalyst; the adding component 100 includes a catalyst box 110, an air supply pipe 120, an adding box 130, and a transmission mechanism 140. An air inlet pipe 210 is fixedly connected to the side of the reactor 200, and the air inlet pipe 210 is fixedly connected to the air supply pipe 120. The air supply pipe 120 is connected to a material pipe 111 fixedly connected to the bottom of the catalyst box 110, so that the airflow in the air supply pipe 120 drives the metal catalyst in the catalyst box 110 to be input into the adding box 130, and the transmission mechanism 140 is also fixedly connected to the adding box 130, so that the transmission mechanism 140 inputs the catalyst entering the adding box 130 into the first connecting pipe 150 fixedly connected to the bottom of the adding box 130, so that the catalyst is evenly input into the reactor 200.

[0022] When in use, an air supply pipe is installed on the side of the air inlet pipe so that the air supply pipe is fixedly connected to the material pipe fixedly connected to the bottom of the catalyst box, so that the airflow in the air supply pipe inputs the catalyst into the addition box, and at the same time, the branch pipe connected to the side of the discharge pipe on the top of the reactor is also fixedly connected to the addition box, so that the transmission mechanism in the addition box inputs the catalyst entering the addition box into the first connecting pipe, so that the first connecting pipe adds the catalyst into the reactor evenly, thereby preventing the existing carbon nanotubes from being lost during the high-temperature production process during the manufacturing process, thereby improving the production efficiency of the carbon nanotubes.

[0023] As a preferred embodiment, please refer to Figure 1 and Figure 3 A discharge pipe 220 is also fixedly connected to the center of the top of the reactor 200, and a branch pipe 221 is fixedly connected to the side of the discharge pipe 220. The branch pipe 221 is fixedly connected to the side of the addition box 130, so that the catalyst rising with the airflow in the reactor 200 can enter the addition box 130 along the branch pipe 221 of the discharge pipe 220, so that the addition box 130 can collect the catalyst lost in the reactor 200.

[0024] As a preferred embodiment, please refer to Figure 3 and Figure 4 The transmission mechanism 140 includes a rotating driving member 141 and a conveying plate 142. The conveying plate 142 is rotatably installed inside the addition box 130, and the conveying plate 142 is fixedly connected to the output end of the rotating driving member 141, so that the rotating driving member 141 drives the conveying plate 142 to rotate, so that the transmission plate 142 uniformly conveys the catalyst entering the addition box 130 into the first connecting pipe 150 fixedly connected to the bottom of the addition box 130.

[0025] As a preferred embodiment, please refer to Figure 3 and Figure 4 The conveying plate 142 has a spiral structure, so that the spiral conveying plate 142 rotates under the drive of the rotating driving member 141 to evenly input the catalyst in the adding box 130 into the first connecting pipe 150.

[0026] As a preferred embodiment, please refer to Figure 4 The other end of the first connecting pipe 150 fixedly connected to the bottom of the adding box 130 is obliquely connected to the reactor 200, and a valve 151 is fixedly connected to the first connecting pipe 150, so that the valve 151 controls the opening and closing of the first connecting pipe 150, so that the catalyst in the adding box 130 is evenly added into the reactor 200 from the first connecting pipe 150, thereby improving the production efficiency of carbon nanotubes.

[0027] As a preferred embodiment, please refer to Figure 1 and Figure 3A second valve 121 is fixedly connected to the gas pipe 120 , and the second valve 121 controls the opening and closing of the gas pipe 120 so that the gas in the intake pipe 210 is input into the gas pipe 120 , so that the airflow transports the catalyst in the catalyst box 110 .

[0028] The working principle of the utility model is as follows: when in use, an air supply pipe 120 is installed on the side of the air inlet pipe 210, and at the same time, the air supply pipe 120 is fixedly connected to the material pipe 111 fixedly connected to the bottom of the catalyst box 110, so that the airflow in the air supply pipe 120 inputs the catalyst in the catalyst box 110 into the addition box 130, and at the same time, the branch pipe 221 connected to the side of the discharge pipe 220 at the top of the reactor 200 is also fixedly connected to the addition box 130, so that the reactor 200 enters the addition box 130 with the airflow from the discharge pipe 220, so that the transmission mechanism 140 in the addition box 130 evenly inputs the catalyst entering the addition box 130 into the first connecting pipe 150, so that the first connecting pipe 150 adds the catalyst into the reactor 200, thereby preventing the catalyst from being lost during the high-temperature production process during the manufacturing process of the existing carbon nanotubes, thereby improving the production efficiency of the carbon nanotubes.

[0029] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.

Claims

1. A catalyst adding device for producing carbon nanotubes, characterized in that: It comprises an adding assembly (100) which is fixedly mounted on the side of the reactor (200) and is used for adding a catalyst; The adding component (100) comprises a catalyst box (110), an air supply pipe (120), an adding box (130), and a transmission mechanism (140). An air inlet pipe (210) is fixedly connected to the side of the reactor (200), and the air inlet pipe (120) is fixedly connected to the air supply pipe (120). The air supply pipe (120) is connected to a material pipe (111) fixedly connected to the bottom of the catalyst box (110), so that the air flow in the air supply pipe (120) drives the metal catalyst in the catalyst box (110) to be input into the adding box (130), and the transmission mechanism (140) is also fixedly connected to the adding box (130), so that the transmission mechanism (140) inputs the catalyst entering the adding box (130) into the first connecting pipe (150) fixedly connected to the bottom of the adding box (130), so that the catalyst is evenly input into the reactor (200).

2. The catalyst adding device for producing carbon nanotubes according to claim 1, characterized in that: A discharge pipe (220) is also fixedly connected to the center of the top of the reactor (200), and a branch pipe (221) is fixedly connected to the side of the discharge pipe (220), and the branch pipe (221) is fixedly connected to the addition box (130), so that the catalyst rising with the air flow in the reactor (200) can enter the addition box (130) along the branch pipe (221) of the discharge pipe (220).

3. The catalyst adding device for producing carbon nanotubes according to claim 1, characterized in that: The transmission mechanism (140) comprises a rotating driving member (141) and a transmission plate (142), wherein the transmission plate (142) is rotatably mounted inside the addition box (130), and the transmission plate (142) is fixedly connected to the output end of the rotating driving member (141), so that the rotating driving member (141) drives the transmission plate (142) to rotate, so as to uniformly transmit the catalyst entering the addition box (130).

4. The catalyst adding device for producing carbon nanotubes according to claim 3, characterized in that: The conveying plate (142) has a spiral structure, so that the spiral conveying plate (142) rotates under the drive of the rotating driving member (141), so that the conveying plate (142) evenly inputs the catalyst in the adding box (130) into the first connecting pipe (150).

5. The catalyst adding device for producing carbon nanotubes according to claim 1, characterized in that: The other end of the first connecting pipe (150) fixedly connected to the bottom of the addition box (130) is obliquely connected to the reactor (200), and a valve (151) is fixedly connected to the first connecting pipe (150) so that the valve (151) controls the opening and closing of the first connecting pipe (150) to uniformly input the catalyst in the addition box (130) into the reactor (200).

6. The catalyst adding device for producing carbon nanotubes according to claim 1, characterized in that: A second valve (121) is fixedly connected to the gas delivery pipe (120), and the second valve (121) controls the opening and closing of the gas delivery pipe (120) so that the gas in the intake pipe (210) is input into the gas delivery pipe (120) for transporting the catalyst in the catalyst box (110).

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