High-efficiency and low-cost single-walled carbon nanotube production equipment

Abstract

The utility model provides high-efficiency and low-cost single-walled carbon nanotube production equipment which comprises a carbon nanotube reaction furnace and a vacuum drying collection chamber, the carbon nanotube reaction furnace is connected with a spraying assembly, and the spraying assembly comprises a spraying tank and a conveying pipeline. A discharge port of the spray tank is connected to a nozzle at the top of the carbon nano-tube reaction furnace through a conveying pipeline, a discharge port of the carbon nano-tube reaction furnace is connected to a vacuum drying and collecting chamber, a carbon nano-tube growth plate is arranged in the carbon nano-tube reaction furnace, and an inclined discharge assembly is arranged at the bottom of the carbon nano-tube growth plate. The device is simple in structure, reasonable in design, capable of continuously producing the single-wall carbon nanotubes, convenient to operate, high in production efficiency and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to nanometer carbon tube production technical field, and specifically is a kind of high efficiency, low cost single-walled carbon nanotube production equipment. BACKGROUND

[0002] Carbon nanotube is one-dimensional nanocrystalline new material, has many excellent performance, has begun to replace carbon black and graphite in many traditional application fields, especially in battery field, replaces traditional conductive carbon black and graphite, as the conductive additive in the positive and negative in battery, greatly improves the performance of battery, becomes the preferred conductive material of most battery factory.

[0003] The production process of nanometer carbon tube currently mostly selects the discontinuous chemical deposition process of prefabricated solid catalyst, and the discontinuous chemical deposition furnace mainly has the following two shortcomings: (1) when continuous production, worker needs to open furnace door to take out product, and simultaneously re-places catalyst, and operation is cumbersome, and hard work is hard; (2) intermittent production efficiency is low, and equipment reaction chamber is small, and it is difficult to realize large-scale production, and it cannot be industrialized. UTILITY MODEL CONTENT

[0004] In view of the above technical deficiencies of prior art, the utility model provides a kind of high efficiency, low cost single-walled carbon nanotube production equipment, can simplify equipment operation process, improve the degree of automation of equipment continuous production.

[0005] The utility model provides technical scheme: a kind of high efficiency, low cost single-walled carbon nanotube production equipment, including nanometer carbon tube reaction furnace and vacuum drying collection room, the nanometer carbon tube reaction furnace is connected with spray component, the spray component includes spray tank and delivery pipeline, the discharge port of spray tank is connected to the nozzle being set in the top of nanometer carbon tube reaction furnace by delivery pipeline, the discharge port of nanometer carbon tube reaction furnace is connected to vacuum drying collection room, nanometer carbon tube growth board is provided in the nanometer carbon tube reaction furnace, and the bottom of nanometer carbon tube growth board is provided with inclined discharge component.

[0006] Further, the nanometer carbon tube reaction furnace includes reaction chamber and heating chamber arranged below the reaction chamber, and the heating chamber is provided with a heating element.

[0007] Further, the heating element is an electromagnetic induction coil and a metal cavity, the electromagnetic induction coil is sleeved outside the metal cavity, the electromagnetic induction coil is connected with the heating control chamber, and the heating control chamber is provided with a power supply assembly and a controller.

[0008] Further, the reaction chamber is provided with an air inlet and an air outlet at both ends respectively, the air inlet is communicated with external gas source, and the air outlet is communicated with external environment.

[0009] Further, the reaction chamber inner wall is provided with a heat preservation layer, and the reaction chamber discharge port is provided with a discharge valve.

[0010] Further, the heating chamber bottom is provided with a support frame.

[0011] Further, the inclined discharge assembly comprises a motor and a screw rod connected with the output shaft of the motor, the screw rod is movably connected with a sliding block located above the support bottom plate, the top of the sliding block is provided with a moving rod, the other end of the moving rod is connected with the bottom of the nanometer carbon tube growth plate, and one end of the nanometer carbon tube growth plate is movably connected with the support bottom plate and can rotate around the support bottom plate.

[0012] Further, the left and right sides of the support bottom plate are provided with sliding rod fixing blocks, the two ends of the screw rod are rotatably connected with the two sliding rod fixing blocks, the upper sides of the two sliding rod fixing blocks are provided with support bases respectively, the top of the left support base is in contact with the bottom of the nanometer carbon tube growth plate, and the right support base is rotatably connected with the nanometer carbon tube growth plate.

[0013] Further, the discharge port of the nanometer carbon tube reaction furnace is provided with a discharge conveyor between the discharge port and the feeding port of the vacuum drying and collecting chamber.

[0014] The nanometer carbon tube reaction furnace has the advantages of simple structure, convenient operation, high production efficiency, low cost, automatic discharge through the inclined discharge assembly, continuous production of single-walled nanometer carbon tubes, and high practical value of the obtained single-walled carbon nanotubes in the fields of nanoelectronic devices, reinforced materials, biomedicine and energy storage, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the utility model;

[0016] Figure 2 is a structural schematic view of the inclined discharge assembly of the utility model;

[0017] In the drawing: 1 - nanometer carbon tube reaction furnace, 1-1 - reaction chamber, 1-2 - heating chamber, 1-3 - gas inlet, 1-4 - gas outlet, 1-5 - nanometer carbon tube growth plate, 1-6 - heat preservation layer, 1-7 - heating element, 1-8 - support frame, 2 - spraying assembly, 2-2 - spraying tank, 2-2 - conveying pipeline, 2-3 - nozzle, 3 - vacuum drying and collecting chamber, 4 - heating control chamber, 5 - inclined discharge assembly, 5-1 - motor, 5-2 - screw rod, 5-3 - support bottom plate, 5-4 - sliding block, 5-5 - moving rod, 5-6 - sliding rod fixing block, 5-7 - support base, 6 - discharge valve, 7 - discharge conveyor. DETAILED DESCRIPTION

[0018] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of the utility model protection.

[0019] In the description of the utility model, it should be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like is the orientation or position relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0020] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] As shown in Figure 1 and Figure 2 An efficient and low-cost single-walled carbon nanotube production equipment, including nanometer carbon tube reaction furnace 1 and vacuum drying collection chamber 3, nanometer carbon tube reaction furnace 1 is connected with spray assembly 2, spray assembly 2 includes spray tank 2-1 and conveying pipeline 2-2, the discharge port of spray tank 2-1 is connected to the nozzle 2-3 arranged at the top of nanometer carbon tube reaction furnace 1 through conveying pipeline 2-2, the discharge port of nanometer carbon tube reaction furnace 1 is connected to vacuum drying collection chamber 3, nanometer carbon tube growth plate 1-5 is arranged in nanometer carbon tube reaction furnace 1, and the bottom of nanometer carbon tube growth plate 1-5 is provided with inclined discharge assembly 5.

[0022] Nanometer carbon tube reaction furnace 1 includes reaction chamber 1-1 and heating chamber 1-2 arranged below reaction chamber 1-1, and heating element 1-7 is arranged in heating chamber 1-2.

[0023] The two ends of reaction chamber 1-1 are respectively provided with gas inlet 1-3 and gas outlet 1-4, gas inlet 1-3 is communicated with external gas source, and gas outlet 1-4 is communicated with external environment.

[0024] The inner wall of the reaction chamber 1-1 is provided with a heat-insulating layer 1-6, and the discharge port of the reaction chamber 1-1 is provided with a discharge valve 6. The bottom of the heating chamber 1-2 is provided with a support frame 1-8. A discharge conveyor 7 is provided between the discharge port of the carbon nanotube reactor 1 and the feed port of the vacuum drying collection chamber 3.

[0025] In a specific embodiment, the heating element 1-7 is an electromagnetic induction coil and a metal cavity. The electromagnetic induction coil is sleeved on the outside of the metal cavity. The electromagnetic induction coil is connected to the heating control chamber 4. The heating control chamber 4 is provided with a power supply component and a controller.

[0026] like Figure 2 As shown, the inclined discharging assembly 5 includes a motor 5-1 and a screw 5-2 connected to the output shaft of the motor 5-1, the screw 5-2 is movably connected to a slider 5-4 located above the supporting base plate 5-3, and a moving rod 5-5 is provided on the top of the slider 5-4, and the other end of the moving rod 5-5 is connected to the bottom of the nano-carbon tube growth plate 1-5, and one end of the nano-carbon tube growth plate 1-5 is movably connected to the supporting base plate 5-3 and can rotate around the supporting base plate 5-3.

[0027] Sliding rod fixing blocks 5-6 are provided on the left and right sides above the supporting bottom plate 5-3, and the two ends of the screw rod 5-2 are rotatably connected to the two sliding rod fixing blocks 5-6 respectively. Support bases 5-7 are provided above the two sliding rod fixing blocks 5-6 respectively. The top of the support base 5-7 on the left is in contact with the bottom of the nano-carbon tube growth plate 1-5, and the support base 5-7 on the right is rotatably connected to the nano-carbon tube growth plate 1-5.

[0028] In specific use, the present invention first introduces an inert gas into the reaction chamber 1-1 through the air inlet 1-3. Air in the reaction chamber 1-1 and the heating chamber 1-2 is exhausted through the air outlet 1-4. Then, a catalyst is sprayed into the reaction chamber 1-1 through the nozzle 2-3 of the spray assembly 2. After a period of time, a certain amount of catalyst is distributed on the carbon nanotube growth plate 1-5. At this time, the heating chamber 1-2 is heated, and the heating element 1-7 controls the heating rate to a set temperature. Carbon source gas is introduced into the reaction chamber 1-1 through the air inlet 1-3, and carbon nanotubes begin to deposit on the carbon nanotube growth plate 1-5. After a period of reaction, the carbon nanotubes grow to a certain thickness, and the gas supply is stopped. Then, by starting the motor 5-1 to drive the screw 5-2 to rotate, the slider 5-4 can move horizontally left and right along the support base 5-3, and the moving rod 5-5 connected above the slider 5-4 will support the nanotube growth plate 1-5. The nanotube growth plate 1-5 rotates and tilts upward around the support base 5-7 on the right side, and then the deposited nanotubes will slide out, and the discharge conveyor 7 is turned on at the same time, and the obtained nanotube powder directly enters the vacuum drying collection chamber 3.

[0029] The above merely describes the detailed description of the specific implementation scheme of the present application, and does not limit the present application, and any modification, equivalent replacement and improvement made on the design idea of the present application shall be included in the protection scope of the present application.

Claims

1. A high-efficiency, low-cost single-walled carbon nanotube production apparatus comprising a nanocarbon tube reaction furnace (1) and a vacuum drying collection chamber (3), characterized in that, The nanometer carbon tube reaction furnace (1) is connected with a spraying assembly (2), the spraying assembly (2) comprises a spraying tank (2-1) and a conveying pipeline (2-2), the discharging port of the spraying tank (2-1) is connected to a nozzle (2-3) arranged at the top of the nanometer carbon tube reaction furnace (1) through the conveying pipeline (2-2), the discharging port of the nanometer carbon tube reaction furnace (1) is connected to a vacuum drying and collecting chamber (3), a nanometer carbon tube growth plate (1-5) is arranged in the nanometer carbon tube reaction furnace (1), and an inclined discharging assembly (5) is arranged at the bottom of the nanometer carbon tube growth plate (1-5).

2. The apparatus for producing single-walled carbon nanotubes with high efficiency and low cost according to claim 1, wherein The nanometer carbon tube reaction furnace (1) comprises a reaction chamber (1-1) and a heating chamber (1-2) arranged below the reaction chamber (1-1), and a heating element (1-7) is arranged in the heating chamber (1-2).

3. The apparatus according to claim 2, wherein the apparatus is characterized by: The heating element (1-7) is an electromagnetic induction coil and a metal cavity, the electromagnetic induction coil is sleeved outside the metal cavity, the electromagnetic induction coil is connected with a heating control chamber (4), and the heating control chamber (4) is provided with a power supply assembly and a controller.

4. The apparatus according to claim 2, wherein the apparatus is characterized by: Air inlets (1-3) and air outlets (1-4) are arranged at two ends of the reaction chamber (1-1) respectively, the air inlets (1-3) are connected with external air sources in communication, and the air outlets (1-4) are connected with external environments in communication.

5. The apparatus for producing single-walled carbon nanotubes with high efficiency and low cost according to claim 2, wherein A heat preservation layer (1-6) is arranged on the inner wall of the reaction chamber (1-1), and a discharging valve (6) is arranged at the discharging port of the reaction chamber (1-1).

6. The apparatus according to claim 2, wherein the apparatus is characterized by: A support frame (1-8) is arranged at the bottom of the heating chamber (1-2).

7. The apparatus according to claim 1, wherein the apparatus is characterized by: The inclined discharging assembly (5) comprises a motor (5-1) and a screw rod (5-2) connected with the output shaft of the motor (5-1), the screw rod (5-2) is movably connected with a sliding block (5-4) located above a support bottom plate (5-3), a moving rod (5-5) is arranged at the top of the sliding block (5-4), the other end of the moving rod (5-5) is connected with the bottom of the nanometer carbon tube growth plate (1-5), and one end of the nanometer carbon tube growth plate (1-5) is movably connected with the support bottom plate (5-3) and can rotate around the support bottom plate (5-3).

8. The apparatus according to claim 7, wherein the apparatus is characterized by: Support bases (5-7) are arranged above the left and right sides of the support bottom plate (5-3), the two ends of the screw rod (5-2) are rotatably connected with the two support bases (5-7) respectively, and the top of the support base (5-7) on the left side is in contact with the bottom of the nanometer carbon tube growth plate (1-5), and the support base (5-7) on the right side is rotatably connected with the nanometer carbon tube growth plate (1-5).

9. The apparatus according to claim 1, wherein the apparatus is characterized by: A discharging conveyor (7) is arranged between the discharging port of the nanometer carbon tube reaction furnace (1) and the feeding port of the vacuum drying and collecting chamber (3).

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