Ventilation device of graphitization furnace

Abstract

The utility model relates to the technical field of graphitization furnaces, and provides a graphitization furnace ventilation device which comprises a box body, a gas inlet mechanism and a plurality of cleaning mechanisms, a plurality of gas inlets are formed in the box body, the gas inlet mechanism is arranged on the box body and used for conveying chlorine, the cleaning mechanisms are arranged in the box body, and the cleaning mechanisms are arranged on the box body. The cleaning device is used for cleaning an air inlet mechanism, the air inlet mechanism comprises an outer pipe, an inner pipe, a conveying pipe frame and an adjusting assembly, and by means of the technical scheme, the problems that in the related technology, graphite powder inevitably falls on holes formed in the outer pipe after being used for a long time, the holes are still blocked after being accumulated for a long time, and the service life of the air inlet mechanism is prolonged are solved. And the processing effect is easily influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of graphitization furnaces, and particularly relates to a gas ventilation device for a graphitization furnace. Background Art

[0002] Graphitization furnaces are mainly used for the sintering and graphitization of carbon materials, the purification of graphite powder, and the high-temperature treatment of other materials that can be graphitized in a carbon environment. During the graphitization purification process, in order to remove impurities with high melting points and boiling points in the raw materials, such as titanium, titanium carbide, boron carbide, vanadium carbide, etc., chlorine gas needs to be introduced into the furnace chamber to synthesize these simple substances and carbides into chlorides for discharge.

[0003] When transporting chlorine gas into the furnace chamber, pipeline components are usually used to transport chlorine gas into the furnace. In order to prevent the pipeline from being blocked, the patent publication number CN216432526U discloses a gas ventilation device for a graphitization furnace, which controls the depth of the inner pipe inserted into the outer pipe through an adjustment component to adjust the ventilation air flow and match the production requirements; the outer pipe is designed with an inner pipe to avoid blockage and pollution. However, after long-term use, it is inevitable that graphite powder will fall on the holes on the outer pipe, and after long-term accumulation, it will still cause blockage to the holes, which is likely to affect the processing effect. Summary of the Utility Model

[0004] The utility model provides a gas ventilation device for a graphitization furnace, which solves the problem that after long-term use, it is inevitable that graphite powder will fall on the holes on the outer pipe, and after long-term accumulation, it will still cause blockage to the holes, which is likely to affect the processing effect in the related art.

[0005] The technical solution of the utility model is as follows: A gas ventilation device for a graphitization furnace, comprising: a box body, an air inlet mechanism, and a cleaning mechanism;

[0006] A plurality of air inlets are provided on the box body;

[0007] The air inlet mechanism is arranged on the box body and is used for transporting chlorine gas;

[0008] A plurality of cleaning mechanisms are provided, and the plurality of cleaning mechanisms are all arranged in the box body and are used for cleaning the air inlet mechanism.

[0009] Preferably, the air inlet mechanism includes: an outer pipe, an inner pipe, a conveying pipe rack, and an adjustment component;

[0010] A plurality of outer pipes are provided, and the plurality of outer pipes are respectively fixedly connected in the plurality of air inlets;

[0011] A plurality of inner pipes are provided, the plurality of inner pipes are respectively arranged in the plurality of outer pipes, and conveying holes are provided on both the plurality of inner pipes and the plurality of outer pipes;

[0012] The conveying pipe rack is connected between multiple inner pipes;

[0013] The adjusting component is arranged on the conveying pipe rack and is used for adjusting the chlorine conveying amount.

[0014] Further, the adjusting component includes: an adjusting box, an adjusting plate and a driving component;

[0015] The adjusting box is connected to the conveying pipe rack;

[0016] There are two adjusting plates, and both of the two adjusting plates are rotatably arranged in the adjusting box;

[0017] The driving component is arranged on the adjusting box and is used for driving the two adjusting plates to rotate.

[0018] Still further, the driving component includes: a rotating gear, a driving rack and a power component;

[0019] There are two rotating gears, and the two rotating gears are respectively fixedly connected to the two adjusting plates;

[0020] The driving rack is slidably arranged on the adjusting box, and the driving rack meshes with the two rotating gears;

[0021] The power component is arranged on the adjusting box and is used for driving the driving rack to move.

[0022] As a further solution of the present application, the power component includes: a fixing frame and a moving screw;

[0023] The fixing frame is fixedly connected to the adjusting box;

[0024] The moving screw is rotatably arranged on the fixing frame, a threaded hole is formed in the driving rack, and the moving screw is threadedly connected in the threaded hole.

[0025] As a still further solution of the present application, the cleaning mechanism includes: a sliding frame, a steel brush, a rotating component and a moving component;

[0026] The sliding frame is slidably arranged in the box body;

[0027] The steel brush is rotatably arranged in the sliding frame, and the steel brush is sleeved on the circumferential surface of the outer pipe;

[0028] The rotating component is arranged on the sliding frame and is used for driving the steel brush to rotate;

[0029] The moving component is arranged in the box body and is used for driving the sliding frame to move.

[0030] On the basis of the foregoing solution, the rotating component includes: a toothed ring, a rotating gear, a rotating rod and a transmission component;

[0031] The toothed ring is fixedly connected to the steel brush;

[0032] The rotating gear is rotatably arranged on the carriage, and the rotating gear meshes with the toothed ring;

[0033] The rotating rod is rotatably arranged in the box body, and the rotating gear is slidably arranged on the rotating rod;

[0034] The transmission assembly is arranged on the box body and is used to drive the rotating rod to rotate.

[0035] Based on the foregoing solution, further, the transmission assembly includes: a rotating wheel and a transmission belt;

[0036] There are two rotating wheels. One rotating wheel is fixedly connected to the rotating rod, and the other rotating wheel is rotatably arranged on the box body;

[0037] The transmission belt is drivingly connected between the two rotating wheels.

[0038] As a preferred technical solution of the present application, the moving assembly includes: a driving screw and a first motor;

[0039] The driving screw is rotatably arranged in the box body. Another rotating wheel is fixedly connected to the driving screw. A threaded hole is formed on the carriage, and the driving screw is threadedly connected in the threaded hole;

[0040] The first motor is arranged on the box body, and the output end of the first motor is fixedly connected to the driving screw.

[0041] As a preferred technical solution of the present application, two limiting frames are fixedly connected to the adjusting box, and the driving tooth rack is slidably arranged in the two limiting frames.

[0042] The working principle and beneficial effects of the present utility model are as follows:

[0043] 1. In the present utility model, through the setting of the air intake mechanism, it is convenient to accurately control and adjust the air intake volume of chlorine.

[0044] 2. In the present utility model, through the setting of the cleaning mechanism, it is convenient to clean the delivery holes formed on the outer tube, effectively preventing the delivery holes from being blocked.

[0045] 3. In the present utility model, through the cooperation among the box body, the air intake mechanism and the cleaning mechanism, it is convenient to comprehensively clean the delivery holes on the outer tube, effectively reducing the blockage of the delivery holes and improving the processing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The following further describes the present utility model in detail with reference to the drawings and specific embodiments.

[0047] Figure 1 This is a schematic structural diagram of the whole of the present utility model;

[0048] Figure 2 This is a schematic cross-sectional structural diagram of the adjustment box of the present utility model;

[0049] Figure 3 This is a schematic structural diagram of the cleaning mechanism of the present utility model;

[0050] Figure 4 This is a schematic structural diagram of the cleaning mechanism of the present utility model from another angle.

[0051] In the figure: 1, box body; 2, outer pipe; 3, inner pipe; 4, conveying pipe rack; 5, adjustment box; 6, adjustment plate; 7, rotating gear; 8, driving rack; 9, fixing frame; 10, moving screw; 11, sliding frame; 12, steel brush; 13, tooth ring; 14, rotating gear; 15, rotating rod; 16, rotating wheel; 17, transmission belt; 18, driving screw; 19, first motor; 20, limiting frame. Specific implementation manners

[0052] Next, in combination with the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present utility model.

[0053] As Figures 1 to 4 shown, this embodiment provides a graphite furnace ventilation device, including: a box body 1, an air inlet mechanism and a cleaning mechanism. A plurality of air inlets are opened on the box body 1. Through the cooperation among the box body 1, the air inlet mechanism and the cleaning mechanism, it is convenient to comprehensively clean the conveying holes on the outer pipe 2, effectively reducing the blockage of the conveying holes and improving the processing effect.

[0054] As Figures 1 to 2As shown in the figure, an intake mechanism is provided on the box body 1 for conveying chlorine gas. The intake mechanism includes: an outer pipe 2, an inner pipe 3, a conveying pipe rack 4, and an adjustment assembly. There are multiple outer pipes 2, and the multiple outer pipes 2 are respectively fixedly connected to multiple intake ports. There are multiple inner pipes 3, and the multiple inner pipes 3 are respectively arranged inside the multiple outer pipes 2. Conveying holes are provided on both the multiple inner pipes 3 and the multiple outer pipes 2. The conveying pipe rack 4 is connected between the multiple inner pipes 3. The adjustment assembly is arranged on the conveying pipe rack 4 for adjusting the chlorine gas conveying amount. The adjustment assembly includes: an adjustment box 5, an adjustment plate 6, and a driving assembly. Two limit frames 20 are fixedly connected to the adjustment box 5. A driving rack 8 is slidably arranged inside the two limit frames 20. The adjustment box 5 is connected to the conveying pipe rack 4. There are two adjustment plates 6, and both adjustment plates 6 are rotatably arranged inside the adjustment box 5. The driving assembly is arranged on the adjustment box 5 for driving the two adjustment plates 6 to rotate. The driving assembly includes: a rotating gear 7, a driving rack 8, and a power assembly. There are two rotating gears 7, and the two rotating gears 7 are respectively fixedly connected to the two adjustment plates 6. The driving rack 8 is slidably arranged on the adjustment box 5. The driving rack 8 meshes with the two rotating gears 7. The power assembly is arranged on the adjustment box 5 for driving the driving rack 8 to move. The power assembly includes: a fixed frame 9 and a moving screw 10. The fixed frame 9 is fixedly connected to the adjustment box 5. The moving screw 10 is rotatably arranged on the fixed frame 9. A threaded hole is provided on the driving rack 8, and the moving screw 10 is threadedly connected to the threaded hole. Specifically, by an operator rotating the moving screw 10, the driving rack 8 is driven to move. When the driving rack 8 moves, the two rotating gears 7 are driven to rotate, thereby driving the two adjustment plates 6 to swing, so as to adjust the amount of chlorine gas conveyed, and the chlorine gas is conveyed through the conveying pipe rack 4 and the inner pipe 3, and is conveyed into the box body 1 through the conveying holes provided on the outer pipe 2.

[0055] As Figure 1 , Figure 3 and Figure 4As shown in the figure, there are multiple cleaning mechanisms, and the multiple cleaning mechanisms are all arranged in the box body 1 and used to clean the air intake mechanism. The cleaning mechanism includes: a carriage 11, a steel brush 12, a rotating assembly and a moving assembly. The carriage 11 is slidably arranged in the box body 1, the steel brush 12 is rotatably arranged in the carriage 11, the steel brush 12 is sleeved on the circumferential surface of the outer tube 2, the rotating assembly is arranged on the carriage 11 and used to drive the steel brush 12 to rotate, and the moving assembly is arranged in the box body 1 and used to drive the carriage 11 to move. The rotating assembly includes: a toothed ring 13, a rotating gear 14, a rotating rod 15 and a transmission assembly. The toothed ring 13 is fixedly connected to the steel brush 12, the rotating gear 14 is rotatably arranged on the carriage 11, the rotating gear 14 meshes with the toothed ring 13, the rotating rod 15 is rotatably arranged in the box body 1, the rotating gear 14 is slidably arranged on the rotating rod 15, and the transmission assembly is arranged on the box body 1 and used to drive the rotating rod 15 to rotate. The transmission assembly includes: a rotating wheel 16 and a transmission belt 17. There are two rotating wheels 16. One of the rotating wheels 16 is fixedly connected to the rotating rod 15, and the other rotating wheel 16 is rotatably arranged on the box body 1. The transmission belt 17 is drivingly connected between the two rotating wheels 16. The moving assembly includes: a driving screw 18 and a first motor 19. The driving screw 18 is rotatably arranged in the box body 1, and the other rotating wheel 16 is fixedly connected to the driving screw 18. A threaded hole is formed in the carriage 11, and the driving screw 18 is threadedly connected in the threaded hole. The first motor 19 is arranged on the box body 1, and the output end of the first motor 19 is fixedly connected to the driving screw 18. Specifically, the first motor 19 arranged on the box body 1 drives the driving screw 18 to rotate. When the driving screw 18 rotates, it drives the carriage 11 to move. When the carriage 11 moves, it drives the steel brush 12 to clean the outer tube 2. When the driving screw 18 rotates, it drives the rotating wheel 16 to rotate, and drives the rotating rod 15 and the rotating gear 14 to rotate through the transmission of the transmission belt 17. When the rotating gear 14 rotates, it drives the toothed ring 13 to rotate, thereby driving the steel brush 12 to clean the outer tube 2 comprehensively.

[0056] In this embodiment, when chlorine gas is transported into the box body 1, an operator rotates the moving screw rod 10 to drive the driving tooth rack 8 to move. When the driving tooth rack 8 moves, it drives the two rotating gears 7 to rotate, thereby driving the two adjusting plates 6 to swing, so as to adjust the amount of chlorine gas transported. Then, the chlorine gas is transported through the conveying pipe rack 4 and the inner pipe 3, and is transported into the box body 1 through the conveying holes formed in the outer pipe 2. The first motor 19 arranged on the box body 1 drives the driving screw rod 18 to rotate. When the driving screw rod 18 rotates, it drives the carriage 11 to move. When the carriage 11 moves, it drives the steel brush 12 to clean the outer pipe 2. When the driving screw rod 18 rotates, it drives the rotating wheel 16 to rotate, and through the transmission of the transmission belt 17, it drives the rotating rod 15 and the rotating gear 14 to rotate. When the rotating gear 14 rotates, it drives the tooth ring 13 to rotate, thereby driving the steel brush 12 to clean the outer pipe 2 comprehensively.

[0057] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A graphite furnace ventilation device, characterized in that, Comprising: A box body (1) with a plurality of air inlets formed thereon; An air intake mechanism provided on the box body (1) for conveying chlorine gas; A cleaning mechanism, with a plurality of the cleaning mechanisms provided in the box body (1) for cleaning the air intake mechanism.

2. The air supply device of a graphitization furnace according to claim 1, wherein The air intake mechanism includes: Outer tubes (2), with a plurality of the outer tubes (2) respectively fixedly connected in the plurality of air inlets; Inner tubes (3), with a plurality of the inner tubes (3) respectively arranged in the plurality of the outer tubes (2), and conveying holes are formed on both the plurality of the inner tubes (3) and the plurality of the outer tubes (2); A conveying pipe rack (4) communicating between the plurality of the inner tubes (3); An adjusting assembly provided on the conveying pipe rack (4) for adjusting the chlorine gas conveying amount.

3. The gas supply device for a graphitization furnace according to claim 2, characterized in that, The adjusting assembly includes: An adjusting box (5) communicating with the conveying pipe rack (4); Adjusting plates (6), with two of the adjusting plates (6), and both of the adjusting plates (6) are rotatably arranged in the adjusting box (5); A driving assembly provided on the adjusting box (5) for driving the two adjusting plates (6) to rotate.

4. The gas supply device of a graphitization furnace according to claim 3, characterized in that, The driving assembly includes: Rotating gears (7), with two of the rotating gears (7), and the two rotating gears (7) are respectively fixedly connected to the two adjusting plates (6); A driving tooth rack (8) slidably arranged on the adjusting box (5), and the driving tooth rack (8) meshes with the two rotating gears (7); A power assembly provided on the adjusting box (5) for driving the driving tooth rack (8) to move.

5. The gas supply device for a graphitization furnace according to claim 4, characterized in that, The power assembly includes: A fixing frame (9) fixedly connected to the adjusting box (5); A moving screw rod (10) rotatably arranged on the fixing frame (9), a screw hole is formed on the driving tooth rack (8), and the moving screw rod (10) is threadedly connected in the screw hole.

6. The gas supply device for a graphitization furnace according to claim 5, characterized in that, The cleaning mechanism includes: A sliding frame (11) slidably arranged in the box body (1); A steel brush (12) rotatably arranged in the sliding frame (11), and the steel brush (12) is sleeved on the circumferential surface of the outer tube (2); A rotating assembly provided on the sliding frame (11) for driving the steel brush (12) to rotate; A moving assembly provided in the box body (1) for driving the sliding frame (11) to move.

7. The gas supply device for a graphitization furnace according to claim 6, characterized in that, The rotating assembly includes: A tooth ring (13) fixedly connected to the steel brush (12); A rotating gear (14) rotatably arranged on the sliding frame (11), and the rotating gear (14) meshes with the tooth ring (13); Rotating rod (15), the rotating rod (15) is rotatably arranged in the box body (1), and the rotating gear (14) is slidably arranged on the rotating rod (15); A transmission assembly, the transmission assembly is arranged on the box body (1) and is used to drive the rotating rod (15) to rotate.

8. The gas supply device for a graphitization furnace according to claim 7, characterized in that, The transmission assembly includes: Rotating wheels (16), there are two rotating wheels (16), one of the rotating wheels (16) is fixedly connected to the rotating rod (15), and the other rotating wheel (16) is rotatably arranged on the box body (1); A transmission belt (17), the transmission belt (17) is drivingly connected between the two rotating wheels (16).

9. The gas supply device for a graphitization furnace according to claim 8, wherein, The moving assembly includes: A driving screw rod (18), the driving screw rod (18) is rotatably arranged in the box body (1), the other rotating wheel (16) is fixedly connected to the driving screw rod (18), a screw hole is formed in the carriage (11), and the driving screw rod (18) is threadedly connected in the screw hole; A first motor (19), the first motor (19) is arranged on the box body (1), and the output end of the first motor (19) is fixedly connected to the driving screw rod (18).

10. The graphite furnace aeration device according to claim 9, characterized in that, Two limiting frames (20) are fixedly connected to the adjusting box (5), and the driving tooth rack (8) is slidably arranged in the two limiting frames (20).

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