Ventilation device of graphitization furnace

Abstract

The utility model provides a graphitization furnace ventilation device which relates to the technical field of graphitization furnaces and is applied to a furnace body, a plurality of gas distribution pipelines which are arranged at equal intervals are arranged in the furnace body, a gas supply pipeline is arranged on the outer side of the furnace body, and the gas distribution pipelines penetrate through the furnace body and are communicated with the gas supply pipeline. A ventilation assembly is mounted at the other end of the gas distribution pipeline and comprises an outer pipe, the outer pipe is fixed to the gas distribution pipeline, and an inner pipe is slidably connected to the inner wall of the outer pipe. According to the ventilation device of the graphitization furnace, the arc-shaped baffles are arranged to serve as outermost protection to protect the exhaust pipe in the arc-shaped baffles, the exhaust pipe is prevented from being directly exposed in the furnace body, meanwhile, the arc-shaped baffles arranged in a staggered mode reserve a channel for gas to leave, and gas exhausted through the exhaust pipe can leave through the channel and enter the furnace body; the condition that the air outlet hole is not blocked in the process of introducing air into the graphitization furnace is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation device, concretely is a kind of graphitization furnace ventilation device, belong to graphitization furnace technical field. BACKGROUND

[0002] Graphitization furnace is mainly used for sintering and graphitization of carbon materials, purification of graphite powder and high-temperature treatment of other materials that can be graphitized in carbon environment. In the process of graphitization and purification, in order to remove high-melting-point and high-boiling-point impurities such as titanium, titanium carbide, boron carbide and vanadium carbide from raw materials, chlorine gas needs to be introduced into the furnace to combine these elements and carbides into chlorides and then discharged.

[0003] The ventilation device commonly used in the prior art uses pipeline components to deliver chlorine gas into the furnace. However, the existing ventilation device directly exposes the gas outlet of the pipeline to the inside of the furnace body during use, which causes the gas outlet of the gas distribution pipeline to be easily blocked during use, thereby directly affecting the gas intake per unit time and affecting the final ventilation effect. After long-term use, graphite dust and other impurities can easily enter the inside of the gas distribution pipeline, not only blocking the inside of the gas distribution pipeline, but also polluting the gas distribution pipeline.

[0004] Therefore, a graphitization furnace ventilation device is proposed. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a kind of graphitization furnace ventilation device to realize that gas outlet is not blocked during the process of ventilation into the inside of graphitization furnace, simultaneously avoid graphite dust to enter the inside of gas distribution pipeline and affect gas distribution pipeline.

[0006] The utility model is implemented by the following technical solutions: a kind of graphitization furnace ventilation device is applied to furnace body, the inside of the furnace body is provided with multiple equidistantly arranged gas distribution pipelines, the outside of the furnace body is provided with gas supply pipeline, the gas distribution pipeline penetrates furnace body and is communicated with gas supply pipeline, another end of the gas distribution pipeline is installed with ventilation assembly;

[0007] The ventilation assembly includes an outer tube, the outer tube is fixed with the gas distribution pipeline, the inner wall of the outer tube is slidably connected with an inner tube, the outer surface of the outer tube is fixedly connected with an exhaust pipe, the output end of the exhaust pipe is installed with a valve, the outside of the outer tube is provided with multiple staggered arc baffles, the arc baffles are fixed between the outer tube by support rods.

[0008] The inside of the air distribution pipeline is provided with an adjusting device, the adjusting device comprises a supporting plate fixed to the inner wall of the air distribution pipeline, the side surface of the supporting plate is fixed with an electric push rod, the output end of the electric push rod is fixed with a push plate, the push plate is fixed with the inner tube, and the inner tube can be pushed to move through the electric push rod.

[0009] The inner wall of the inner tube is provided with an exhaust port, the size of the exhaust port is larger than the size of the pipe opening of the exhaust pipe, the exhaust port can be communicated with the exhaust pipe after the inner tube moves, so that the gas in the air distribution pipeline can reach the exhaust pipe through the inner tube and be discharged from the exhaust pipe.

[0010] The valve comprises a blocking ring fixed to the inner wall of the exhaust pipe, the inside of the exhaust pipe is provided with a rubber plug, the rubber plug blocks the opening of the blocking ring, and the rubber plug can block the dust from the outside.

[0011] The valve further comprises a side plate fixed to the inner wall of the exhaust pipe, one side surface of the side plate close to the rubber plug is fixed with an auxiliary telescopic rod and an auxiliary spring, and the other end of the auxiliary telescopic rod and the auxiliary spring is connected with the rubber plug.

[0012] The inner wall of the exhaust pipe is fixed with a flow guide block on the left and right sides of the blocking ring, and the outer surface of the rubber plug is a concave structure, so that when the rubber plug moves to unblock the blocking ring, the gas can blow away the graphite dust attached to the inner wall of the exhaust pipe through the flow guide block and the rubber plug.

[0013] The left end of the arc-shaped baffle is fixed with a separation ring between the outer tube, the right end of the inner tube and the outer tube is fixed with a separation plate, the right end of the separation plate is fixed with a fixed rod, and the other end of the fixed rod is fixed with the furnace body.

[0014] The graphite furnace ventilation device has the following beneficial effects:

[0015] 1. The graphite furnace ventilation device, by setting the arc-shaped baffle as the outermost layer of protection, the exhaust pipe is protected in the arc-shaped baffle, the exhaust pipe is not directly exposed in the furnace body, and the arc-shaped baffles arranged in a staggered manner leave a passage for the gas to leave, the gas discharged through the exhaust pipe can leave through the passage and enter the furnace body, so that the gas outlet hole will not be blocked during the process of ventilating the graphite furnace.

[0016] 2. The venting device of the graphitization furnace, through the setting of the inner tube sliding on the inner wall of the outer tube, when the inner tube moves to the exhaust port and is communicated with the exhaust pipe, the gas can enter the exhaust pipe, and through the setting of the auxiliary spring driving the rubber plug to move, under the elastic force of the auxiliary spring, the rubber plug is clamped and blocked to the opening of the blocking ring when not venting, the rubber plug can block the dust in the outside, and the graphite dust is prevented from entering the inside of the gas distribution pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a side view of the arc-shaped baffle of the utility model;

[0019] Figure 3 It is an explosion view of the venting assembly of the utility model;

[0020] Figure 4 It is a sectional view of the side view of the outer tube of the utility model;

[0021] Figure 5 It is the utility model Figure 4 It is an enlarged schematic view of structure A.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1, furnace body;2, gas distribution pipeline;3, gas supply pipeline;

[0024] 4, venting assembly;401, outer tube;402, inner tube;403, exhaust pipe;404, valve;405, arc-shaped baffle;406, exhaust port;

[0025] 5, adjusting device;501, support plate;502, electric push rod;503, push plate;

[0026] 4041, blocking ring;4042, rubber plug;4043, side plate;4044, auxiliary telescopic rod;4045, auxiliary spring;4046, flow guide block;

[0027] 6, partition ring;7, partition plate;8, fixed rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the application.

[0029] Please refer toFigures 1-5 The utility model embodiment provides a kind of air supply device of graphitization furnace, it is applied to furnace body 1, the inside of furnace body 1 is provided with multiple equidistantly arranged air distribution pipeline 2, the outside of furnace body 1 is provided with gas supply pipeline 3, air distribution pipeline 2 penetrates furnace body 1 and is communicated with gas supply pipeline 3, another end of air distribution pipeline 2 is equipped with air supply assembly 4.

[0030] Air supply assembly 4 includes outer tube 401, outer tube 401 is fixed with air distribution pipeline 2, the inner wall of outer tube 401 is slidably connected with inner tube 402, the outer surface of outer tube 401 is fixedly connected with exhaust pipe 403, the output end of exhaust pipe 403 is equipped with valve 404, the outside of outer tube 401 is provided with multiple staggered arc baffle 405, arc baffle 405 is fixed between outer tube 401 by support rod.

[0031] Please refer to Figure 3 , Figure 4 And Figure 5 , the inside of air distribution pipeline 2 is provided with adjusting device 5, adjusting device 5 includes support plate 501 fixed in the inner wall of air distribution pipeline 2, the side of support plate 501 is fixed with electric push rod 502, the output end of electric push rod 502 is fixed with push plate 503, push plate 503 is fixed with inner tube 402, inner tube 402 can be moved by electric push rod 502, the inner wall of inner tube 402 is provided with exhaust port 406, the size of exhaust port 406 is greater than the size of the pipe opening of exhaust pipe 403, after moving by inner tube 402, exhaust port 406 can be communicated with exhaust pipe 403, so that the gas in air distribution pipeline 2 can reach exhaust pipe 403 by inner tube 402 and be discharged from exhaust pipe 403.

[0032] Please refer to Figure 3 , Figure 4 And Figure 5 , valve 404 includes stop ring 4041 fixed in the inner wall of exhaust pipe 403, the inside of exhaust pipe 403 is provided with rubber plug 4042, rubber plug 4042 is connected with the opening of stop ring 4041 and is blocked, dust in the outside can be blocked by rubber plug 4042, valve 404 also includes side plate 4043 fixed in the inner wall of exhaust pipe 403, the side of side plate 4043 close to rubber plug 4042 is fixed with auxiliary telescopic rod 4044 and auxiliary spring 4045, the other end of auxiliary telescopic rod 4044 and auxiliary spring 4045 is connected with rubber plug 4042.

[0033] Please refer to Figure 3 , Figure 4 And Figure 5The inner wall of the exhaust pipe 403 is fixed with the flow guide block 4046 on the left and right sides of the baffle ring 4041, the outer side of the rubber plug 4042 is concave, so that when the rubber plug 4042 is moved to remove the block of the baffle ring 4041, the graphite dust adhered to the inner wall of the exhaust pipe 403 can be blown away by the flow guide block 4046 and the rubber plug 4042, the arc-shaped baffle 405 is fixed with the separation ring 6 between the left end and the outer pipe 401, the inner pipe 402 and the outer pipe 401 are fixed with the separation plate 7 at the right end, the right end of the separation plate 7 is fixed with the fixed rod 8, and the other end of the fixed rod 8 is fixed with the furnace body 1.

[0034] In use, the external pumping device pumps air into the air supply pipeline 3, the electric push rod 502 is started, the push plate 503 is moved by the electric push rod 502, the movement of the push plate 503 drives the inner pipe 402 to move, so that the exhaust port 406 of the inner pipe 402 is communicated with the exhaust pipe 403 of the outer pipe 401, at this time, the gas reaches the exhaust pipe 403 through the inner pipe 402, the gas pressure in the exhaust pipe 403 gradually increases through the pumping of the external device, when the pressure of the rubber plug 4042 is greater than the elastic force of the auxiliary spring 4045, the rubber plug 4042 moves and removes the block of the baffle ring 4041, and the gas in the exhaust pipe 403 is discharged through the valve 404.

[0035] The arc-shaped baffle 405 is arranged as the outermost layer of protection to protect the exhaust pipe 403 in the arc-shaped baffle 405, so that the exhaust pipe 403 is not directly exposed in the furnace body 1, and the arc-shaped baffles 405 arranged in a staggered manner leave a channel for the gas to leave, so that the gas discharged through the exhaust pipe 403 can leave through the channel and enter the furnace body 1, so that the gas outlet hole is not blocked during the process of ventilating into the graphitization furnace.

[0036] The inner pipe 402 is arranged to slide on the inner wall of the outer pipe 401, so that the gas can enter the exhaust pipe 403 when the inner pipe 402 moves to the exhaust port 406 communicated with the exhaust pipe 403, and the rubber plug 4042 is moved by the auxiliary spring 4045, and the rubber plug 4042 is blocked by the opening of the baffle ring 4041 under the elastic force of the auxiliary spring 4045, so that the rubber plug 4042 can block the dust from the outside, and the graphite dust is prevented from entering the air distribution pipeline 2.

[0037] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A venting device for a graphitization furnace, applied to a furnace body (1), characterized in that: The inside of the furnace body (1) is provided with a plurality of equidistantly arranged air distribution pipes (2), the outside of the furnace body (1) is provided with an air supply pipe (3), the air distribution pipe (2) penetrates the furnace body (1) and is in communication with the air supply pipe (3), and the other end of the air distribution pipe (2) is provided with an air vent assembly (4); The air vent assembly (4) comprises an outer pipe (401), the outer pipe (401) is fixed with the air distribution pipe (2), the inner wall of the outer pipe (401) is slidably connected with an inner pipe (402), the outer surface of the outer pipe (401) is fixedly connected with an exhaust pipe (403), the output end of the exhaust pipe (403) is provided with a valve (404), the outer side of the outer pipe (401) is provided with a plurality of staggered arc baffles (405), and the arc baffles (405) and the outer pipe (401) are fixed through supporting rods.

2. A gas distribution device for a graphitization furnace as defined in claim 1, characterized in that: The inside of the air distribution pipe (2) is provided with an adjusting device (5), the adjusting device (5) comprises a supporting plate (501) fixed to the inner wall of the air distribution pipe (2), the side surface of the supporting plate (501) is fixed with an electric push rod (502), the output end of the electric push rod (502) is fixed with a push plate (503), and the push plate (503) is fixed with the inner pipe (402).

3. A gas distribution device for a graphitization furnace as defined in claim 1, wherein: The inner wall of the inner pipe (402) is provided with an exhaust port (406), and the size of the exhaust port (406) is greater than the size of the pipe opening of the exhaust pipe (403).

4. A gas distribution device for a graphitization furnace as defined in claim 1, wherein: The valve (404) comprises a blocking ring (4041) fixed to the inner wall of the exhaust pipe (403), and the inside of the exhaust pipe (403) is provided with a rubber plug (4042) which blocks the opening of the blocking ring (4041).

5. A gas distribution device for a graphitization furnace as defined in claim 4, characterized in that: The valve (404) further comprises a side plate (4043) fixed to the inner wall of the exhaust pipe (403), the side surface of the rubber plug (4042) is fixed with an auxiliary telescopic rod (4044) and an auxiliary spring (4045), and the other end of the auxiliary telescopic rod (4044) and the auxiliary spring (4045) is connected with the rubber plug (4042).

6. A gas distribution device for a graphitization furnace as defined in claim 5, wherein: The inner wall of the exhaust pipe (403) is fixed with a flow guide block (4046) on the left and right sides of the blocking ring (4041), and the outer surface of the rubber plug (4042) is in a concave structure.

7. A gas distribution device for a graphitization furnace as defined in claim 1, wherein: The left end of the arc baffle (405) and the outer pipe (401) are fixed with a partition ring (6), the right end of the inner pipe (402) and the outer pipe (401) is fixed with a partition plate (7), the right end of the partition plate (7) is fixed with a fixed rod (8), and the other end of the fixed rod (8) is fixed with the furnace body (1).

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