Electric arc furnace for producing single-walled carbon nanotubes

Abstract

The invention relates to an electric arc furnace for producing single-walled carbon nanotubes, which comprises an electric arc furnace body provided with a stand column, one side of the electric arc furnace body is communicated with a temperature adjusting system, cooling systems are symmetrically arranged on the peripheral surface of the electric arc furnace body, a first pressure gauge is arranged on the electric arc furnace body, and two mounting plates are arranged in the electric arc furnace body. An anode consumption bar and a cathode consumption bar are respectively mounted on each mounting plate, each mounting plate and the electric arc furnace body are jointly provided with an adjusting assembly, and the adjusting assemblies ensure that the distances between the anode consumption bars and the cathode consumption bars which correspond to each other in position are always equal. The invention relates to the technical field of electric arc furnaces. The device has the effects that the distances between the continuously consumed anode consumption rods or cathode consumption rods are always kept consistent in the production process, the yields of the single-walled carbon nanotubes in unit time are equal in the whole production process, and the working efficiency is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of electric arc furnaces, in particular to an electric arc furnace for producing single-walled carbon nanotubes. Background Art

[0002] Since nanotubes were discovered by Japanese electron microscope expert Iijima in 1991, they have attracted widespread attention and great interest from researchers around the world. They can generally be divided into single-walled carbon nanotubes and multi-walled carbon nanotubes.

[0003] The existing method is to use temperature control to produce.

[0004] However, there is a problem that when manufacturing single-walled carbon nanotubes, the length of the anode consumable rod or cathode consumable rod is shortened, which results in a larger distance between the corresponding anode consumable rod and cathode consumable rod, thereby reducing the production per unit time. Summary of the invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide an electric arc furnace for producing single-walled carbon nanotubes, which has the effect of ensuring that the distance between the anode consumable rods or cathode consumable rods that are continuously consumed during the production process always remains consistent, and the output of single-walled carbon nanotubes per unit time is equal during the entire production process, thereby ensuring work efficiency.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: An electric arc furnace for producing single-walled carbon nanotubes, comprising an electric arc furnace body provided with a column, a temperature control system being connected to one side of the electric arc furnace body, a cooling system being symmetrically provided on the outer peripheral surface of the electric arc furnace body, a first pressure gauge being provided on the electric arc furnace body, two mounting plates being provided inside the electric arc furnace body, an anode consumable rod and a cathode consumable rod being respectively installed on each mounting plate, and an adjustment component being provided on each mounting plate and the electric arc furnace body; The adjustment assembly ensures that the distances between the anode consumable rods and the cathode consumable rods in corresponding positions are always equal.

[0007] In a preferred example, the present invention can be further configured as follows: the adjustment assembly includes a triangular block, one end of which is fixedly arranged on the inner wall of the electric arc furnace body, the top of the triangular block is an inclined surface, and the bottom surfaces of the two triangular blocks are coplanar; A first slide groove is provided on the top of each triangular block, a guide rod is provided in the first slide groove, a sliding block is slidably provided on the outer circumference of the guide rod, and the top of the sliding block is fixed to the bottom of the corresponding mounting plate; A friction block is arranged on one side of each mounting plate, and the bottom of the friction block contacts the corresponding top inclined surface of the triangular block.

[0008] In a preferred example, the present invention can be further configured as follows: two guide rods are fixedly and symmetrically arranged on the inner wall of the electric arc furnace body, one end of the guide rod is located in the corresponding friction block, and the guide rod is slidably connected to the friction block.

[0009] In a preferred example, the present invention can be further configured as follows: the friction coefficients of the surfaces where the bottoms of the two friction blocks are located are the same; The friction coefficients of the surfaces where the tops of the two triangular blocks are located are the same.

[0010] In a preferred example, the present invention can be further configured as follows: each of the mounting plates is provided with a pushing component; The two pushing components enable the corresponding mounting plates to always maintain the same height.

[0011] In a preferred example, the present invention can be further configured as follows: the pushing assembly includes a first fixing rod, one end of which is fixedly arranged on a side corresponding to the mounting plate; Two pressure tubes are symmetrically fixedly provided on the arc furnace body, one end of the first fixing rod extends into the corresponding pressure tube, and a rubber plug is provided at one end of the first fixing rod located in the corresponding pressure tube, and the outer peripheral surface of the rubber plug is in full contact with the inner peripheral wall of the corresponding pressure tube; Each of the pressure pipes is provided with a second pressure gauge; One end of each of the pressure pipes is connected to the gas supply equipment through a hose.

[0012] In a preferred example, the present invention can be further configured as follows: the straight line where the central axis of the first fixing rod is located is collinear with the straight line where the central axis of the corresponding pressure pipe is located; The straight line where the central axis of the first fixing rod is located is parallel to the line where the hypotenuse of the vertical cross section of the corresponding triangular block is located.

[0013] In summary, the present invention includes at least one of the following beneficial technical effects: 1. By setting an adjustment component in the arc furnace body, the adjustment component ensures that the distance between the anode consumable rods or cathode consumable rods that are continuously consumed during the production process is always kept consistent, ensuring that the single-walled carbon nanotube output per unit time is equal during the entire production process, thereby ensuring work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Is a schematic diagram of the overall structure of the present embodiment; Figure 2 yes Figure 1 Enlarged structural diagram at A in the middle.

[0015] In the figure, 1. arc furnace body; 11. first pressure gauge; 12. mounting plate; 2. adjustment assembly; 21. triangular block; 22. first slide groove; 23. guide rod; 24. sliding block; 3. friction block; 31. guide rod; 4. pushing assembly; 41. first fixed rod; 42. pressure tube; 43. rubber plug; 44. second pressure gauge. DETAILED DESCRIPTION

[0016] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0017] Example: Reference Figure 1-Figure 2 As shown, the electric arc furnace for producing single-walled carbon nanotubes disclosed in the present invention comprises an electric arc furnace body 1 provided with a column. A temperature control system is connected to one side of the electric arc furnace body 1. When working, the temperature in the electric arc furnace body 1 reaches 600 degrees Celsius through the temperature control component.

[0018] A cooling system is symmetrically arranged on the outer circumference of the arc furnace body 1. The cooling system allows the arc furnace body 1 to cool down quickly after operation, so that operators can quickly enter the arc furnace body 1 and scrape the single-walled carbon nanotubes attached to the inner wall of the arc furnace body 1.

[0019] The arc furnace body 1 is provided with a first pressure gauge 11. The pressure value in the arc furnace body 1 is viewed through the first pressure gauge 11.

[0020] Two mounting plates 12 are provided in the arc furnace body 1, and anode consumable rods and cathode consumable rods are respectively installed on each mounting plate 12, and an adjustment component 2 is provided on each mounting plate 12 and the arc furnace body 1. The adjustment component 2 ensures that the distance between the anode consumable rods and cathode consumable rods at corresponding positions is always equal.

[0021] The adjustment assembly 2 includes a triangular block 21 , one end of which is fixedly arranged on the inner wall of the arc furnace body 1 , the top of the triangular block 21 is an inclined surface, and the bottom surfaces of the two triangular blocks 21 are coplanar.

[0022] A first slide groove 22 is formed at the top of each triangular block 21 . A guide rod 23 is disposed in the first slide groove 22 . A sliding block 24 is slidably disposed on the outer circumference of the guide rod 23 . The top of the sliding block 24 is fixed to the bottom of the corresponding mounting plate 12 .

[0023] A friction block 3 is disposed on one side of each mounting plate 12, and the bottom of the friction block 3 contacts the top inclined surface of the corresponding triangular block 21. Two guide rods 31 are fixedly and symmetrically disposed on the inner wall of the arc furnace body 1, one end of the guide rod 31 is located in the corresponding friction block 3, and the guide rod 31 is slidably connected to the friction block 3.

[0024] The friction coefficients of the bottom surfaces of the two friction blocks 3 are the same, and the friction coefficients of the top surfaces of the two triangular blocks 21 are the same. As the cathode consumable rods or anode consumable rods are consumed, the mass of the mounting plate 12 and the consumable rods thereon is reduced, and the mounting plate 12 moves downward along the top inclined surface of the corresponding triangular block 21. As the mounting plate 12 moves, the friction plate moves. When the mounting plate 12 moves to an appropriate position, the mounting plate 12 stops working. When the mass of the mounting plate 12 and the consumable rods thereon is reduced, the mounting plate 12 continues to move.

[0025] A push assembly 4 is provided on each mounting plate 12. The two push assemblies 4 keep the corresponding mounting plates 12 at the same height. The push assembly 4 includes a first fixing rod 41, one end of which is fixedly provided on one side of the corresponding mounting plate 12. Two pressure tubes 42 are symmetrically fixedly provided on the arc furnace body 1, one end of the first fixing rod 41 extends into the corresponding pressure tube 42, and a rubber plug 43 is provided at one end of the first fixing rod 41 located in the corresponding pressure tube 42, and the outer peripheral surface of the rubber plug 43 is in full contact with the inner peripheral wall of the corresponding pressure tube 42.

[0026] The straight line where the central axis of the first fixing rod 41 is located is collinear with the straight line where the central axis of the corresponding pressure tube 42 is located.

[0027] The straight line where the central axis of the first fixing rod 41 is located is parallel to the line where the hypotenuse of the vertical section of the corresponding triangular block 21 is located.

[0028] A second pressure gauge 44 is provided on each pressure pipe 42. One end of each pressure pipe 42 is connected to the gas supply device through a hose.

[0029] The operator needs to always pay attention to the values ​​of the two second pressure gauges 44. When the values ​​are incorrect, the operator needs to deliver gas into the corresponding pressure tube 42 to drive the rubber plug 43 to move so as to ensure that the two mounting plates 12 are always at the same height.

[0030] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric arc furnace for producing single-walled carbon nanotubes, comprising an electric arc furnace body (1) provided with a column, one side of the electric arc furnace body (1) being connected to a temperature control system, a cooling system being symmetrically provided on the outer peripheral surface of the electric arc furnace body (1), a first pressure gauge (11) being provided on the electric arc furnace body (1), two mounting plates (12) being provided inside the electric arc furnace body (1), each mounting plate (12) being respectively provided with an anode consumable rod and a cathode consumable rod, wherein: Each of the mounting plates (12) and the arc furnace body (1) are provided with an adjustment component (2); The adjustment component (2) ensures that the distance between the anode consumable rods and the cathode consumable rods at corresponding positions is always equal.

2. The electric arc furnace for producing single-walled carbon nanotubes according to claim 1, characterized in that: The adjustment assembly (2) comprises a triangular block (21), one end of the triangular block (21) is fixedly arranged on the inner wall of the electric arc furnace body (1), the top of the triangular block (21) is an inclined surface, and the bottom surfaces of the two triangular blocks (21) are coplanar; A first slide groove (22) is provided at the top of each triangular block (21), a guide rod (23) is provided in the first slide groove (22), a sliding block (24) is slidably provided on the outer peripheral surface of the guide rod (23), and the top of the sliding block (24) is fixed to the bottom of the corresponding mounting plate (12); A friction block (3) is provided on one side of each mounting plate (12), and the bottom of the friction block (3) is in contact with the top inclined surface of the corresponding triangular block (21).

3. The electric arc furnace for producing single-walled carbon nanotubes according to claim 2, characterized in that: Two guide rods (31) are fixedly and symmetrically arranged on the inner wall of the electric arc furnace body (1), one end of the guide rod (31) is located in the corresponding friction block (3), and the guide rod (31) is slidably connected to the friction block (3).

4. The electric arc furnace for producing single-walled carbon nanotubes according to claim 3, characterized in that: The friction coefficients of the bottom surfaces of the two friction blocks (3) are the same; The friction coefficients of the surfaces where the tops of the two triangular blocks (21) are located are the same.

5. The electric arc furnace for producing single-walled carbon nanotubes according to claim 4, characterized in that: Each of the mounting plates (12) is provided with a pushing assembly (4); The two pushing assemblies (4) enable the corresponding mounting plates (12) to always maintain the same height.

6. The electric arc furnace for producing single-walled carbon nanotubes according to claim 5, characterized in that: The pushing assembly (4) comprises a first fixing rod (41), one end of the first fixing rod (41) being fixedly arranged on a side corresponding to the mounting plate (12); Two pressure tubes (42) are symmetrically fixedly provided on the arc furnace body (1), one end of the first fixing rod (41) extends into the corresponding pressure tube (42), and a rubber plug (43) is provided at one end of the first fixing rod (41) located in the corresponding pressure tube (42), and the outer peripheral surface of the rubber plug (43) is in full contact with the inner peripheral wall of the corresponding pressure tube (42); Each of the pressure pipes (42) is provided with a second pressure gauge (44); One end of each of the pressure pipes (42) is connected to the gas supply equipment via a hose.

7. The electric arc furnace for producing single-walled carbon nanotubes according to claim 6, characterized in that: The straight line on which the central axis of the first fixing rod (41) is located is collinear with the straight line on which the central axis of the corresponding pressure tube (42) is located; The straight line where the central axis of the first fixing rod (41) is located is parallel to the line where the hypotenuse of the vertical section of the corresponding triangular block (21) is located.

Images