Thermal insulation structure of graphitization furnace

Abstract

The heat preservation structure comprises an outer furnace body, an inner furnace body is arranged in the outer furnace body, the lower end of the inner furnace body is fixedly connected with two supporting rods which are both fixedly connected with the lower end face of the interior of the outer furnace body, a second heat preservation layer is arranged on the outer surface of the inner furnace body, and a first heat preservation layer is arranged at the outer end of the second heat preservation layer. The outer end of the first heat preservation layer is fixedly connected with a spiral smoke pipe, one end of the spiral smoke pipe penetrates through the outer furnace body and is fixedly connected with the penetrating part, one side of the inner furnace body is provided with an exhaust hard pipe which penetrates through the inner furnace body and the outer furnace body and is fixedly connected with the penetrating part, and the surface of the exhaust hard pipe is provided with a valve. And a baffle ring fixedly connected with the surface of the hard exhaust pipe is arranged on one side of the valve. According to the heat preservation structure of the graphitization furnace, a worker can conveniently clean the filter screen when the whole furnace body is in use, the phenomenon that the flowing effect of smoke is affected due to blockage of the filter screen is avoided, and the heat preservation structure is practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of graphitization furnace, in particular to a heat preservation structure of graphitization furnace. BACKGROUND

[0002] The graphitization furnace is heated to high temperature by resistance heating, so that the sample is decomposed into gaseous or liquid graphite. At present, the common graphitization furnace includes a furnace body, a heat preservation layer is arranged in the side wall of the furnace body, and the heat preservation layer is used for heat preservation of the furnace body. In the graphitization process, the heat preservation layer in the side wall is used for heat preservation, so that the temperature in the graphitization furnace is kept relatively stable.

[0003] The patent document with the publication number CN221781248U has disclosed a kind of heat preservation structure of graphitization furnace, it is related to the technical field of graphitization furnace, it includes furnace body and furnace cover, furnace body includes outer furnace wall and inner furnace wall, and baffle and heat preservation layer are arranged between outer furnace wall and inner furnace wall, baffle and heat preservation layer are sequentially arranged along the direction close to inner furnace wall.

[0004] However, the above prior art still has some shortcomings when in use. The filter screen in the above prior art can only be cleaned by opening the furnace cover, which is not conducive to cleaning by the staff if the furnace body is in use. Therefore, if the filter screen is blocked, it will affect the flow of gas. To solve this problem, we propose a heat preservation structure of graphitization furnace. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of heat preservation structure of graphitization furnace, solve the technical problem raised in the background art of prior art.

[0006] The utility model solves the above technical problem, and the scheme is as follows: including outer furnace body, the inner furnace body is arranged in the outer furnace body, the lower end of the inner furnace body is fixedly connected with two support rods, which are fixedly connected with the inner lower end surface of the outer furnace body, the outer surface of the inner furnace body is provided with heat preservation layer two, the outer end of heat preservation layer two is provided with heat preservation layer one, the outer end of heat preservation layer one is fixedly connected with spiral flue, one end of spiral flue penetrates through outer furnace body and is fixedly connected with the penetration part, one side of the inner furnace body is provided with exhaust hard pipe, which penetrates through the inner furnace body and the outer furnace body and is fixedly connected with the penetration part, the surface of exhaust hard pipe is provided with valve, one side of valve is provided with stop ring, which is fixedly connected with the surface of exhaust hard pipe, one end of exhaust hard pipe is provided with filter cartridge, which is screw-connected with the surface of exhaust hard pipe, one end of filter cartridge is provided with hose, which is rotatably connected with filter cartridge by sealing bearing, hose penetrates through outer furnace body and is fixedly connected with the penetration part, one end of hose is fixedly connected with the other end of spiral flue, the inner wall of filter cartridge is fixedly connected with filter screen.

[0007] On the basis of the above technical scheme, the utility model further can make improvement as follows.

[0008] Further, the inner wall of the outer furnace body is fixedly connected with a heat preservation layer four, and the material of the heat preservation layer four is mineral wool material.

[0009] Further, the material of the heat preservation layer one is polystyrene board material, and the material of the heat preservation layer two is foam glass material.

[0010] Further, the upper end of the outer furnace body is provided with a furnace cover, and the furnace cover is fixedly connected with the outer furnace body through bolts.

[0011] Further, the lower end surface of the furnace cover is fixedly connected with a sealing sleeve joint ring which is sleeved with the outer surface of the inner furnace body, and the inside of the sealing sleeve joint ring is fixedly connected with a heat preservation layer three.

[0012] Further, the material of the heat preservation layer three is polyurethane material.

[0013] The utility model discloses a heat preservation structure of graphitization furnace has the following advantages:

[0014] The cooperation between the exhaust hard pipe, the valve, the blocking ring, the filter cartridge, the hose, the sealing bearing and the filter screen facilitates the cleaning of the filter screen when the whole furnace body is in use, avoids the blockage of the filter screen from affecting the flow effect of flue gas and improves practicality.

[0015] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following detailed description of the preferred embodiments of the utility model and the accompanying drawings as follows. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings described herein are used to provide further understanding of the utility model, and constitute a part of the present application, and the schematic embodiments and the description of the utility model are used to explain the utility model, and do not constitute improper limitation to the utility model.

[0017] Figure 1 The structure of the heat preservation structure of the graphitization furnace provided by the embodiment of the utility model is shown in the structure diagram.

[0018] Figure 2 The structure of the heat preservation structure of the graphitization furnace provided by the embodiment of the utility model is shown in the structure diagram. Figure 1 The structure of the heat preservation structure of the graphitization furnace provided by the embodiment of the utility model is shown in the structure diagram.

[0019] Figure 3 The structure of the heat preservation structure of the graphitization furnace provided by the embodiment of the utility model is shown in the structure diagram. Figure 2A partial structure amplification view of a heat preservation structure of a graphitization furnace is provided.

[0020] In the drawings, the components represented by the reference numbers are listed as follows:

[0021] 1, furnace cover; 2, outer furnace body; 3, filter cartridge; 4, hose; 5, exhaust hard pipe; 6, blocking ring; 7, valve; 8, spiral smoke pipe; 9, heat preservation layer one; 10, heat preservation layer two; 11, inner furnace body; 12, support rod; 13, sealing sleeve ring; 14, heat preservation layer three; 15, heat preservation layer four; 16, filter screen; 17, sealing bearing. DETAILED DESCRIPTION

[0022] The principles and features of the present application are described, the examples are used to explain the present application, and are not used to limit the scope of the present application. In the following paragraphs, the present application is described in more detail with reference to the accompanying drawings. The advantages and features of the present application will be more apparent from the following description and claims. It should be noted that the drawings are very simplified and use non-precise proportions, only to facilitate, clearly assist in explaining the purpose of the present application. Figures 1-3 The principles and features of the present application are described, the examples are used to explain the present application, and are not used to limit the scope of the present application. In the following paragraphs, the present application is described in more detail with reference to the accompanying drawings. The advantages and features of the present application will be more apparent from the following description and claims. It should be noted that the drawings are very simplified and use non-precise proportions, only to facilitate, clearly assist in explaining the purpose of the present application.

[0023] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be an intervening component. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be an intervening component. When a component is referred to as being "disposed" on another component, it can be directly on the other component or there can be an intervening component. The terms "vertical", "horizontal", "left", "right", and similar terms as used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0025] As Figures 1-3The utility model provides a heat preservation structure of graphitization furnace, including outer furnace body 2, the inside of outer furnace body 2 is provided with inner furnace body 11, and the lower end of inner furnace body 11 is fixedly connected with two support rods 12 all with the inside lower end surface fixed connection of outer furnace body 2, the outer surface of inner furnace body 11 is provided with heat preservation layer two 10, and the outer end of heat preservation layer two 10 is provided with heat preservation layer one 9, and the outer end of heat preservation layer one 9 is fixedly connected with spiral flue 8, and one end of spiral flue 8 penetrates outer furnace body 2 and is fixedly connected with the penetration position, one side of inner furnace body 11 is provided with exhaust hard pipe 5 that penetrates inner furnace body 11 and outer furnace body 2 and is fixedly connected with the penetration position, and the surface of exhaust hard pipe 5 is provided with valve 7, and one side of valve 7 is provided with the blocking ring 6 of the surface fixed connection of exhaust hard pipe 5, one end of exhaust hard pipe 5 is provided with the filter cartridge 3 of the surface screw connection of exhaust hard pipe 5, and one end in the inside of filter cartridge 3 is provided with hose 4 that is rotatably connected with filter cartridge 3 by sealing bearing 17, and hose 4 penetrates outer furnace body 2 and is fixedly connected with the penetration position, one end of hose 4 is fixedly connected with the other end of spiral flue 8, and the inner wall of filter cartridge 3 is fixedly connected with filter screen 16.

[0026] Preferably, the inner wall of the outer furnace body 2 is fixedly connected with heat preservation layer four 15, and the material of the heat preservation layer four 15 is mineral wool material.

[0027] Preferably, the material of the heat preservation layer one 9 is polystyrene board material, and the material of the heat preservation layer two 10 is foam glass material.

[0028] Preferably, the upper end of the outer furnace body 2 is provided with a furnace cover 1, and the furnace cover 1 is fixedly connected with the outer furnace body 2 by bolts.

[0029] Preferably, the lower end surface of the furnace cover 1 is fixedly connected with a sealing sleeve ring 13 that is connected with the outer surface of the inner furnace body 11, and the inner wall of the sealing sleeve ring 13 is fixedly connected with a heat preservation layer three 14.

[0030] Preferably, the material of the heat preservation layer three 14 is polyurethane material.

[0031] The specific working principle and use method of the utility model are as follows:

[0032] The utility model provides a kind of heat preservation structure of graphitization furnace, when using, under the action of heat preservation layer one 9, heat preservation layer two 10, heat preservation layer three 14 and heat preservation layer four 15, the heat preservation effect of entire furnace body can be improved, and furnace body will open valve 7 when using, flue gas can be imported into helical flue 8 by exhaust hard pipe 5, filter cartridge 3 and hose 4, flue gas flows along helical flue 8, finally is discharged from one end of helical flue 8, when flue gas flows in helical flue 8, the heat carried in flue gas is dissipated through helical flue 8, so that ambient temperature increases, to further improve the heat preservation effect of entire furnace body, when furnace body is being used and needs to clean filter screen 16, by closing valve 7, then rotating filter cartridge 3 makes filter cartridge 3 separate from exhaust hard pipe 5, then filter screen 16 can be cleaned, after cleaning, filter cartridge 3 is connected with exhaust hard pipe 5 by reversing filter cartridge 3, then valve 7 can be opened to make flue gas flow normally.

[0033] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form; ordinary technical personnel in the industry can implement the utility model according to the drawings and the above description; however, the equivalent changes, such as some changes, modifications and evolution, made by the skilled in the art without departing from the technical scheme of the utility model, using the disclosed technical content, are equivalent embodiments of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the utility model are still within the protection scope of the technical scheme of the utility model.

Claims

1. A heat retaining structure of a graphitization furnace comprising an outer furnace body (2), characterized in that, The outer furnace body (2) is internally provided with an inner furnace body (11), the lower end of the inner furnace body (11) is fixedly connected with two support rods (12) which are fixedly connected with the inner lower end surface of the outer furnace body (2), the outer surface of the inner furnace body (11) is provided with a second heat preservation layer (10), the outer end of the second heat preservation layer (10) is provided with a first heat preservation layer (9), the outer end of the first heat preservation layer (9) is fixedly connected with a spiral flue (8), one end of the spiral flue (8) penetrates through the outer furnace body (2) and is fixedly connected with the penetrating part, one side of the inner furnace body (11) is provided with an exhaust hard pipe (5) which penetrates through the inner furnace body (11) and the outer furnace body (2) and is fixedly connected with the penetrating part, the surface of the exhaust hard pipe (5) is provided with a valve (7), one side of the valve (7) is provided with a blocking ring (6) which is fixedly connected with the surface of the exhaust hard pipe (5), one end of the exhaust hard pipe (5) is provided with a filter cartridge (3) which is threadedly connected with the surface of the exhaust hard pipe (5), one end of the inside of the filter cartridge (3) is provided with a hose (4) which is rotatably connected with the filter cartridge (3) through a sealing bearing (17), the hose (4) penetrates through the outer furnace body (2) and is fixedly connected with the penetrating part, one end of the hose (4) is fixedly connected with the other end of the spiral flue (8), and the filter cartridge (3) is fixedly connected with a filter screen (16) on the inner wall.

2. The heat retaining structure of a graphitization furnace according to claim 1, wherein The inner wall of the outer furnace body (2) is fixedly connected with a fourth heat preservation layer (15), and the material of the fourth heat preservation layer (15) is mineral wool material.

3. The heat retaining structure of a graphitization furnace according to claim 1, wherein The material of the first heat preservation layer (9) is polystyrene board material, and the material of the second heat preservation layer (10) is foam glass material.

4. The heat retaining structure of a graphitization furnace according to claim 1, wherein The upper end of the outer furnace body (2) is provided with a furnace cover (1), and the furnace cover (1) is fixedly connected with the outer furnace body (2) through bolts.

5. The heat retaining structure of a graphitization furnace according to claim 4, wherein The lower end surface of the furnace cover (1) is fixedly connected with a sealing sleeve ring (13) which is sleevedly connected with the outer surface of the inner furnace body (11), and the inner part of the sealing sleeve ring (13) is fixedly connected with a third heat preservation layer (14).

6. The heat retaining structure of a graphitization furnace according to claim 5, wherein The material of the third heat preservation layer (14) is polyurethane material.

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