CN220931709U

CN220931709U - Graphitizing furnace

Info

Publication number: CN220931709U
Application number: CN202322361784.8U
Authority: CN
Inventors: 易子涵; 阮丁山; 吴春丽; 唐玖平; 李长东
Original assignee: Hunan Brunp Recycling Technology Co Ltd; Guangdong Brunp Recycling Technology Co Ltd
Current assignee: Hunan Brunp Recycling Technology Co Ltd; Guangdong Brunp Recycling Technology Co Ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-05-10
Anticipated expiration: 2033-08-31

Abstract

The utility model belongs to the technical field of heat preservation and heat insulation, and discloses a graphitizing furnace, which comprises a furnace body and a heat insulation protection structure arranged on the circumferential outer wall of the furnace body, wherein a first heat insulation cavity is formed between the heat insulation protection structure and the outer wall of the furnace body, a second heat insulation cavity is arranged in the heat insulation protection structure, a heat exchange pipeline is arranged in the first heat insulation cavity, and the second heat insulation cavity is filled with heat insulation materials; the liquid inlet pipe is used for connecting a heat exchange medium supply pipeline and is used for conveying the heat exchange medium to the inner cavity of the heat exchange pipeline, the liquid outlet pipe is used for discharging the heat exchange medium of the inner cavity of the heat exchange pipeline, and the heat exchange medium of the inner cavity of the heat exchange pipeline can exchange heat with gas in the first heat insulation cavity, so that the temperature of the first heat insulation cavity is increased or decreased, the furnace body is assisted to be heated or cooled, and in addition, the heat insulation material filled in the second heat insulation cavity is used for heat insulation and heat preservation, so that the heating rate of the furnace body is improved, and electric energy is saved.

Description

Graphitizing furnace

Technical Field

The utility model relates to the technical field of heat preservation and heat insulation, in particular to a graphitization furnace.

Background

The graphitization furnace is mainly used for high-temperature treatment such as graphite powder purification and the like. The temperature requirement of the graphitization furnace is high, heating is needed before the graphitization furnace is used, and cooling is needed after the graphitization furnace is used.

In this regard, the prior art provides a graphitizing furnace with a water-cooled copper tube arranged on the outer wall of the furnace body, which is used for assisting the furnace body to heat up by introducing hot water or cold water into the water-cooled copper tube or for rapidly cooling down the furnace body after the use is completed. However, when hot water is introduced into the water-cooled copper pipe to assist the furnace body in heating, heat loss is likely to occur, and the effect of assisting in heating is poor.

Disclosure of utility model

The utility model provides a graphitizing furnace, which aims to solve the problems that in the graphitizing furnace provided by the prior art, when hot water is introduced into a water-cooled copper pipe to assist a furnace body to heat, heat is easy to dissipate, and the effect of assisting in heating is poor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A graphitization furnace comprising:

A furnace body;

The heat insulation protection structure is arranged on the circumferential outer wall of the furnace body, a first heat insulation cavity is formed between the heat insulation protection structure and the outer wall of the furnace body, a second heat insulation cavity is arranged in the heat insulation protection structure, a heat exchange pipeline is arranged in the first heat insulation cavity, and the second heat insulation cavity is filled with heat insulation materials;

The two ends of the heat exchange pipeline are respectively connected with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe is used for being connected with a heat exchange medium supply pipeline and used for conveying the heat exchange medium to the inner cavity of the heat exchange pipeline, the liquid outlet pipe is used for discharging the heat exchange medium in the inner cavity of the heat exchange pipeline, and the heat exchange medium in the inner cavity of the heat exchange pipeline can exchange heat with the gas in the first heat insulation cavity.

As the preferred scheme of graphitization stove, the furnace body is cylindricly, adiabatic protection architecture is including two annular plates that the interval set up, is close to the furnace body the annular plate with form first adiabatic chamber between the outer wall of furnace body, two form the second adiabatic chamber between the annular plate, adiabatic protection architecture still includes along the axis interval of furnace body sets up first end plate and second end plate, first end plate with the second end plate all install in the furnace body, two the annular plate all with first end plate is connected, and two the annular plate all with the second end plate is connected.

As a preferable mode of the graphitizing furnace, the first end plate is provided with a protruding part, and the protruding part is inserted into the second heat insulation cavity.

As the preferred scheme of graphitization stove, the external diameter of first end plate is greater than and keeps away from the external diameter of annular plate of furnace body, keeps away from the furnace body the annular plate is close to the protruding collar that is equipped with of tip of first end plate, first end plate with the collar passes through the fastener and connects.

As a preferable mode of the graphitizing furnace, both the annular plates are welded to the second end plate.

As the preferred scheme of graphitization stove, the both ends tip of furnace body all is protruding to be equipped with the spacing ring, two the spacing ring all has the spacing face, two the spacing face sets up relatively, first end plate with one of them spacing face butt, the second end plate with another spacing face butt.

As the preferable scheme of graphitizing furnace, the heat exchange pipeline is spirally arranged around the outer wall of the furnace body.

As the preferable scheme of the graphitizing furnace, the liquid inlet pipe is L-shaped and is provided with a first liquid inlet pipe section and a second liquid inlet pipe section which are mutually perpendicular, and the first liquid inlet pipe section is connected with the heat exchange pipeline and is positioned in the first heat insulation cavity; and/or the number of the groups of groups,

The liquid outlet pipe is L-shaped and is provided with a first liquid outlet pipe section and a second liquid outlet pipe section which are mutually perpendicular, and the first liquid outlet pipe section is connected with the heat exchange pipeline and is positioned in the first heat insulation cavity.

As a preferable scheme of the graphitizing furnace, the heat exchange pipeline is provided with an exhaust valve, and the exhaust valve is used for exhausting gas in an inner cavity of the heat exchange pipeline.

As a preferable scheme of the graphitizing furnace, the graphitizing furnace further comprises a bracket for supporting the furnace body, wherein the bracket is used for being supported on the ground.

The beneficial effects of the utility model are as follows:

The utility model provides a graphitizing furnace, which comprises a furnace body and an adiabatic protection structure arranged on the circumferential outer wall of the furnace body, wherein a first adiabatic cavity is formed between the adiabatic protection structure and the outer wall of the furnace body, a second adiabatic cavity is arranged in the adiabatic protection structure, a heat exchange pipeline is arranged in the first adiabatic cavity, and the second adiabatic cavity is filled with an adiabatic material; the liquid inlet pipe is used for connecting a heat exchange medium supply pipeline and is used for conveying the heat exchange medium to the inner cavity of the heat exchange pipeline, the liquid outlet pipe is used for discharging the heat exchange medium of the inner cavity of the heat exchange pipeline, the heat exchange medium of the inner cavity of the heat exchange pipeline can exchange heat with gas in the first heat insulation cavity, so that the temperature in the first heat insulation cavity is adjusted through the heat exchange medium of the inner cavity of the heat exchange pipeline, the temperature of the first heat insulation cavity is increased or decreased, the furnace body is assisted to be heated or cooled, in addition, in the process of heating assisted through the heat exchange pipeline, the heat insulation material filled in the second heat insulation cavity is used for heat insulation and heat preservation, the furnace body is prevented from radiating to the outside in the process of increasing the temperature of the furnace body, the heating rate of the furnace body is increased, and the electric energy is saved.

Drawings

FIG. 1 is a schematic view of a graphitizing furnace according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a graphitizing furnace according to an embodiment of the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic diagram of a graphitizing furnace according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a heat exchange pipeline in an embodiment of the utility model;

Fig. 6 is a schematic structural view of an insulation protection structure in an embodiment of the present utility model.

In the figure:

1. A furnace body; 11. a limiting ring;

2. A thermally insulating protective structure; 21. an annular plate; 211. a mounting ring; 22. a first end plate; 221. a protruding portion; 23. a second end plate;

31. a first insulating cavity; 32. a second insulating chamber;

4. a heat exchange pipeline; 41. a liquid inlet pipe; 42. a liquid outlet pipe;

5. And (3) a bracket.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The graphitization furnace is mainly used for high-temperature treatment such as graphite powder purification and the like. The temperature requirement of the graphitization furnace is high, heating is needed before the graphitization furnace is used, and cooling is needed after the graphitization furnace is used. In this regard, the prior art provides a graphitizing furnace with a water-cooled copper tube arranged on the outer wall of the furnace body, which is used for assisting the furnace body to heat up by introducing hot water or cold water into the water-cooled copper tube or for rapidly cooling down the furnace body after the use is completed. However, when hot water is introduced into the water-cooled copper pipe to assist the furnace body in heating, heat loss is likely to occur, and the effect of assisting in heating is poor.

To above-mentioned problem, this embodiment provides the graphitization stove to among the graphitization stove that solves prior art and provides, when letting in hot water in order to assist the furnace body to heat up to the water-cooling copper pipe, lead to the heat to scatter and disappear easily, supplementary problem that the effect of heating is relatively poor, can be used to thermal-insulated technical field of heat preservation.

Referring to fig. 1 to 6, the graphitizing furnace comprises a furnace body 1 and an insulation protection structure 2 arranged on the furnace body 1, wherein a first insulation cavity 31 is formed between the insulation protection structure 2 and the outer wall of the furnace body 1, the insulation protection structure 2 is provided with a second insulation cavity 32, a heat exchange pipeline 4 is arranged in the first insulation cavity 31, and the second insulation cavity 32 is filled with an insulation material; the two ends of the heat exchange pipeline 4 are respectively connected with a liquid inlet pipe 41 and a liquid outlet pipe 42, the liquid inlet pipe 41 is used for connecting a heat exchange medium supply pipeline and conveying the heat exchange medium to the inner cavity of the heat exchange pipeline 4, the heat exchange medium is water in the embodiment, the heat exchange medium supply pipeline is used for supplying hot water or cold water, the liquid outlet pipe 42 is used for discharging the heat exchange medium in the inner cavity of the heat exchange pipeline 4, and the heat insulation protection structure 2 is provided with through holes for the liquid inlet pipe 41 and the liquid outlet pipe 42 to pass through. The heat exchange medium in the inner cavity of the heat exchange pipeline 4 can exchange heat with the gas in the first heat insulation cavity 31, so that the temperature in the first heat insulation cavity 31 is regulated through the heat exchange medium in the inner cavity of the heat exchange pipeline 4, and the temperature of the first heat insulation cavity 31 is increased or decreased to assist the furnace body 1 to increase or decrease the temperature. Specifically, when the furnace body 1 is heated by electric energy, hot water is introduced into the inner cavity of the heat exchange pipeline 4 through the heat exchange medium supply pipeline to assist the furnace body 1 to heat, and it should be noted that the introduction of hot water should be stopped when the temperature of the furnace body 1 exceeds 100 ℃. When the furnace body 1 needs to be cooled, cold water is introduced into the inner cavity of the heat exchange pipeline 4 through the heat exchange medium supply pipeline so as to realize rapid cooling. In addition, in the process of heating up through the heat exchange pipeline 4, the heat insulation material filled in the second heat insulation cavity 32 is used for heat insulation and preservation, so that the heat dissipation of the furnace body 1 to the outside in the process of heating up is avoided, the heating up rate of the furnace body 1 is improved, the electric energy is saved, and meanwhile, the stable adjustment of the temperature in the furnace body 1 is ensured.

With continued reference to fig. 1-6, the furnace body 1 is cylindrical, the heat insulation protection structure 2 comprises two annular plates 21 arranged at intervals, a first heat insulation cavity 31 is formed between the annular plates 21 close to the furnace body 1 and the outer wall of the furnace body 1, a second heat insulation cavity 32 is formed between the two annular plates 21, the heat insulation protection structure 2 further comprises a first end plate 22 and a second end plate 23 which are arranged at intervals along the axis of the furnace body 1, the first end plate 22 and the second end plate 23 are both arranged on the furnace body 1, the two annular plates 21 are both connected with the first end plate 22, and the two annular plates 21 are both connected with the second end plate 23. The first heat insulation cavity 31 is formed by matching the annular plates 21 with the outer wall of the furnace body 1, and the second heat insulation cavity 32 is formed between the two annular plates 21, so that the appearance of the graphitization furnace is attractive, the first end plates 22 and the second end plates 23 are respectively arranged at the two ends of the annular plates 21, the connection between the annular plates 21 and the furnace body 1 is realized, and the sealing of the first heat insulation cavity 31 and the second heat insulation cavity 32 is realized.

With continued reference to fig. 1-6, the first end plate 22 has a protrusion 221, and the protrusion 221 is inserted into the second heat insulating cavity 32, so as to prevent the heat insulating material disposed in the second heat insulating cavity 32 from escaping from the second heat insulating cavity 32, and to stabilize the connection between the first end plate 22 and the two annular plates 21, and avoid relative sliding.

With continued reference to fig. 1-6, the outer diameter of the first end plate 22 is larger than the outer diameter of the annular plate 21 far from the furnace body 1, and the end of the annular plate 21 far from the furnace body 1 close to the first end plate 22 is convexly provided with a mounting ring 211, and the first end plate 22 is connected with the mounting ring 211 by a fastener. Wherein, the external diameter of the first end plate 22 is the same as the external diameter of the mounting ring 211, and the fastening member is a structure such as a screw or a bolt, so that the connection between the annular plate 21 and the first end plate 22 is realized by a structure similar to a flange connection, and the disassembly and the assembly are convenient. Alternatively, the annular plate 21 and the mounting ring 211 may be integrally formed, or may be fixedly connected by welding or other means.

With continued reference to fig. 1-6, the annular plates 21 are detachably connected to the first end plate 22 by means of a mounting ring 211 and fasteners, and the ends of the two annular plates 21 remote from the first end plate 22 may be fixedly connected directly to the second end plate 23, in particular both annular plates 21 are welded to the second end plate 23, to form a seal. Optionally, the second end plate 23 is welded to the outer wall of the furnace body 1, and the annular plate 21 and the second end plate 23 may be integrally formed, or may be fixedly connected by welding or other means.

With continued reference to fig. 1-6, the two end portions of the furnace body 1 are both convexly provided with limiting rings 11, the two limiting rings 11 are provided with limiting surfaces, the two limiting surfaces are oppositely arranged, the first end plate 22 is abutted with one of the limiting surfaces, and the second end plate 23 is abutted with the other limiting surface, so that the first end plate 22 and the second end plate 23 are limited through the two limiting rings 11, and the first end plate 22 and the second end plate 23 are prevented from falling off.

With continued reference to fig. 1-6, the heat exchange pipeline 4 is spirally arranged around the outer wall of the furnace body 1, so as to increase the surface area of the heat exchange pipeline 4 as much as possible, and improve the heat exchange efficiency between the inner cavity of the heat exchange pipeline 4 and the first heat insulation cavity 31.

With continued reference to fig. 1-6, the inlet tube 41 is L-shaped and has a first inlet tube section and a second inlet tube section perpendicular to each other, the first inlet tube section being connected to the heat exchange tube 4 and located in the first insulating cavity 31; the liquid outlet pipe 42 is L-shaped and has a first liquid outlet pipe section and a second liquid outlet pipe section which are mutually perpendicular, and the first liquid outlet pipe section is connected with the heat exchange pipe 4 and is positioned in the first heat insulation cavity 31. Such an arrangement may facilitate the arrangement of the heat exchange conduit 4, while facilitating the connection of the liquid inlet tube 41 and the liquid outlet tube 42 with the heat exchange medium supply conduit.

With continued reference to fig. 1-6, since the furnace body 1 has a certain temperature, water in the inner cavity of the heat exchange pipeline 4 is easily heated and vaporized or evaporated to form steam, and in order to avoid the steam from gathering in the heat exchange pipeline 4, in this embodiment, the heat exchange pipeline 4 is provided with an exhaust valve, and the exhaust valve is used for exhausting gas in the inner cavity of the heat exchange pipeline 4. Wherein, feed liquor pipe 41 and drain pipe 42 are all connected in the bottom of heat exchange line 4, and the discharge valve is installed at the top of heat exchange line 4 to the gaseous discharge of being convenient for.

With continued reference to fig. 1-6, the graphitization furnace further includes a support 5 for supporting the furnace body 1, the support 5 being for supporting on the ground, thereby providing stable support for the furnace body 1.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Graphitizing furnace, its characterized in that includes:

A furnace body (1);

The heat insulation protection structure (2) is arranged on the circumferential outer wall of the furnace body (1), a first heat insulation cavity (31) is formed between the heat insulation protection structure and the outer wall of the furnace body (1), a second heat insulation cavity (32) is arranged in the heat insulation protection structure (2), a heat exchange pipeline (4) is arranged in the first heat insulation cavity (31), and the second heat insulation cavity (32) is filled with heat insulation materials;

The two ends of the heat exchange pipeline (4) are respectively connected with a liquid inlet pipe (41) and a liquid outlet pipe (42), the liquid inlet pipe (41) is used for being connected with a heat exchange medium supply pipeline and is used for conveying the heat exchange medium to the inner cavity of the heat exchange pipeline (4), the liquid outlet pipe (42) is used for discharging the heat exchange medium in the inner cavity of the heat exchange pipeline (4), and the heat exchange medium in the inner cavity of the heat exchange pipeline (4) can exchange heat with gas in the first heat insulation cavity (31).

2. Graphitizing furnace according to claim 1, characterized in that the furnace body (1) is cylindrical, the heat insulation protection structure (2) comprises two annular plates (21) arranged at intervals, a first heat insulation cavity (31) is formed between the annular plates (21) close to the furnace body (1) and the outer wall of the furnace body (1), a second heat insulation cavity (32) is formed between the two annular plates (21), the heat insulation protection structure (2) further comprises a first end plate (22) and a second end plate (23) arranged at intervals along the axis of the furnace body (1), the first end plate (22) and the second end plate (23) are both mounted on the furnace body (1), the two annular plates (21) are both connected with the first end plate (22), and the two annular plates (21) are both connected with the second end plate (23).

3. Graphitization furnace according to claim 2, characterized in that the first end plate (22) has a protrusion (221), the protrusion (221) being inserted into the second insulating cavity (32).

4. Graphitizing furnace according to claim 2, characterized in that the outer diameter of the first end plate (22) is larger than the outer diameter of the annular plate (21) remote from the furnace body (1), the end of the annular plate (21) remote from the furnace body (1) close to the first end plate (22) is convexly provided with a mounting ring (211), and the first end plate (22) is connected with the mounting ring (211) by means of a fastener.

5. Graphitization furnace according to claim 2, characterized in that both annular plates (21) are welded to the second end plate (23).

6. Graphitizing furnace according to claim 2, characterized in that both end portions of the furnace body (1) are provided with protruding stop rings (11), both stop rings (11) are provided with stop surfaces, both stop surfaces are arranged opposite to each other, the first end plate (22) is abutted with one of the stop surfaces, and the second end plate (23) is abutted with the other stop surface.

7. Graphitization furnace according to any of the claims 1-6, characterized in that the heat exchanging pipe (4) is arranged in a spiral around the outer wall of the furnace body (1).

8. Graphitization furnace according to any of claims 1-6, characterized in that the feed pipe (41) is L-shaped and has a first and a second feed pipe section perpendicular to each other, said first feed pipe section being connected to the heat exchange line (4) and being located in the first insulating cavity (31); and/or the number of the groups of groups,

The liquid outlet pipe (42) is L-shaped and is provided with a first liquid outlet pipe section and a second liquid outlet pipe section which are perpendicular to each other, and the first liquid outlet pipe section is connected with the heat exchange pipeline (4) and is positioned in the first heat insulation cavity (31).

9. Graphitization furnace according to any of the claims 1-6, characterized in that the heat exchange line (4) is provided with a vent valve for venting gas in the inner cavity of the heat exchange line (4).

10. Graphitization furnace according to any of the claims 1-6, characterized by further comprising a support (5) for supporting the furnace body (1), the support (5) being for supporting on the ground.