CN219756964U - Thermal insulation structure of graphitizing furnace - Google Patents
Thermal insulation structure of graphitizing furnace Download PDFInfo
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- CN219756964U CN219756964U CN202321106879.9U CN202321106879U CN219756964U CN 219756964 U CN219756964 U CN 219756964U CN 202321106879 U CN202321106879 U CN 202321106879U CN 219756964 U CN219756964 U CN 219756964U
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- furnace body
- shaped
- side chamber
- heat preservation
- wall
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- 238000009413 insulation Methods 0.000 title claims abstract description 19
- 238000004321 preservation Methods 0.000 claims abstract description 32
- 206010022000 influenza Diseases 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005087 graphitization Methods 0.000 claims description 13
- 230000000391 smoking effect Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 11
- 239000003546 flue gas Substances 0.000 abstract description 11
- 239000002918 waste heat Substances 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 239000003517 fume Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model relates to a thermal insulation structure of a graphitizing furnace, which comprises a furnace body and a thermal insulation cover, and is technically characterized in that: the furnace body is equipped with a plurality of lower U-shaped flues by preceding to back interval, lower U-shaped flue comprises left and right side chamber in locating furnace body left and right lateral wall, locate the bottom chamber of furnace body bottom, the heat preservation cover is equipped with a plurality of upper U-shaped flues by preceding to back interval, upper U-shaped flue comprises left and right side chamber in locating heat preservation cover left and right lateral wall, locate the top chamber at heat preservation cover top, be equipped with the loudspeaker form smoke port towards the heat preservation cover inboard on the inner wall in the right side chamber of upper U-shaped flue, the left side chamber bottom of upper U-shaped flue is fixed with the water conservancy diversion riser, the water conservancy diversion riser lower extreme inserts in the left side chamber in the furnace body left side wall, be fixed with the horizontal output branch pipe with right side chamber intercommunication on the right side chamber outer wall of furnace body right side wall, the end and the same confluence pipeline intercommunication of each horizontal output branch pipe. The structure solves the problem that waste heat in flue gas generated by the existing graphitizing furnace is wasted, and achieves the purpose of energy conservation.
Description
Technical Field
The utility model relates to the technical field of graphitization furnaces, in particular to a heat preservation structure of a graphitization furnace.
Background
The graphitizing furnace is mainly used for high-temperature graphitization of carbon materials such as carbon powder, polyimide film, carbon fiber, carbon-carbon material, graphene, graphite brush, graphite electrode and the like. The working principle is as follows: the furnace body of the graphitizing furnace is filled with a resistor material, products to be graphitized are distributed in the resistor material to form a conductive furnace core together, and furnace heads at two ends of the furnace body are provided with conductive electrodes and are connected with a power supply to form a power-on loop. When the circuit is connected, the furnace core heats up due to the action of the resistance material, so that the product to be graphitized is converted into artificial graphite through high-temperature heat treatment. And after the resistor material is electrified and heated, part of the volatile gas component discharge surface is arranged, the resistor material is ignited by an igniter, and the flue gas is finally led out from the heat-insulating cover at the top of the furnace body. In the whole graphitization treatment process, the heat insulation and heat preservation functions are realized by utilizing the heat preservation material in the furnace and the heat preservation cover at the top.
CN 115849365A discloses a graphitizing furnace with an automatic ignition device, wherein the fume exhaust hood is equivalent to a heat insulation cover, and the fume is exhausted out of the furnace body through a main fume pipe on the fume exhaust hood and enters a fume collecting pipe. But the flue gas is directly discharged to the outside of the furnace body, and the waste heat of the flue gas is wasted.
Disclosure of Invention
The utility model aims to provide a heat preservation structure of a graphitizing furnace, which is reasonable in structure and reliable in use, solves the problem that waste heat in flue gas generated by the existing graphitizing furnace is wasted, and achieves the purpose of energy conservation.
The technical scheme of the utility model is as follows:
the utility model provides a graphitization furnace's insulation construction, includes the furnace body, locates the heat preservation cover of furnace body top surface, its technical essential is: the furnace body is equipped with a plurality of lower U-shaped flues by preceding to back interval, lower U-shaped flues by locating left and right side chamber in the furnace body left and right lateral wall, locate the furnace body bottom and constitute with the end chamber of left and right side chamber intercommunication, the heat preservation cover is equipped with a plurality of U-shaped flues by preceding to back interval, go up U-shaped flues by locating left and right side chamber in the heat preservation cover left and right lateral wall, locate heat preservation cover top and constitute with the top chamber of left and right side chamber intercommunication, be equipped with the loudspeaker form smoking mouth towards the heat preservation cover inboard on the inner wall in the right side chamber of going up U-shaped flue, the left side chamber bottom of going up U-shaped flue is fixed with the water conservancy diversion riser, the water conservancy diversion riser lower extreme inserts in the left side chamber in the furnace body left side wall, be fixed with the horizontal output branch pipe with right side chamber intercommunication on the right side chamber outer wall of furnace body right side wall, the end and same pipeline intercommunication of each horizontal output branch pipe.
According to the heat preservation structure of the graphitizing furnace, the upper U-shaped flues and the lower U-shaped flues are equal in number and correspond to each other one by one.
According to the heat insulation structure of the graphitizing furnace, each upper U-shaped flue is provided with two horn-shaped smoking openings, and each upper U-shaped flue is provided with two guide vertical pipes.
According to the heat preservation structure of the graphitizing furnace, each lower U-shaped flue is provided with two horizontal output branch pipes.
According to the heat preservation structure of the graphitizing furnace, the plurality of positioning columns are arranged on the bottom surface of the right side wall of the heat preservation cover at intervals, and the positioning holes corresponding to the positioning columns one by one are formed in the top surface of the right side wall of the furnace body.
According to the heat preservation structure of the graphitizing furnace, the detachable blocking cover is arranged at the position of the bottom cavity of the lower U-shaped flue corresponding to the left side wall or the right side wall of the furnace body, so that dust accumulation in the bottom cavity can be cleaned out conveniently.
According to the heat preservation structure of the graphitizing furnace, the plurality of supports corresponding to the converging pipelines are arranged on the right side wall of the furnace body.
The beneficial effects of the utility model are as follows:
the flue gas generated in the furnace is sucked into the upper U-shaped flue through the horn-shaped smoke suction opening, then enters the lower U-shaped flue through the guide vertical pipe, finally is converged into the converging pipeline through the horizontal output branch pipe of the lower U-shaped flue, and is discharged to the outside through the converging pipeline. In the flue gas walking process, the waste heat is accumulated in the upper U-shaped flue and the lower U-shaped flue, the waste heat of the flue gas is fully utilized, the problem that the waste heat in the flue gas generated by the existing graphitizing furnace is wasted is solved, the energy saving purpose is achieved, meanwhile, the upper U-shaped flue and the lower U-shaped flue form a novel heat insulation structure of the graphitizing furnace, and the heat insulation effect of the graphitizing furnace is enhanced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a right side view of fig. 1.
In the figure: 1. furnace body, left side cavity, 102 top cavity, 103 right side cavity, 104 horn-shaped smoke suction port, 105 positioning column, 106 guide vertical pipe; 2. furnace body, 201, left side cavity, 202, bottom cavity, 203, right side cavity, 204, removable plug cover, 205, horizontal output branch pipe, 206, confluence pipeline, 207, support.
Description of the embodiments
The utility model will be described in detail with reference to the drawings.
As shown in fig. 1 to 3, the thermal insulation structure of the graphitizing furnace comprises a furnace body 2 and a thermal insulation cover 1 arranged on the top surface of the furnace body 1.
The furnace body 2 is provided with a plurality of lower U-shaped flues at intervals from front to back, and the lower U-shaped flues are composed of left and right side cavities 201 and 203 arranged in left and right side walls of the furnace body 2 and a bottom cavity 202 arranged at the bottom of the furnace body 2 and communicated with the left and right side cavities 201 and 203. The heat preservation cover 1 is provided with a plurality of upper U-shaped flues at intervals from front to back, wherein the upper U-shaped flues are composed of left and right side cavities 101 and 103 arranged in left and right side walls of the heat preservation cover 1 and a top cavity 102 arranged at the top of the heat preservation cover 1 and communicated with the left and right side cavities 101 and 103. In this embodiment, the number of the upper U-shaped flues is equal to and corresponds to the number of the lower U-shaped flues one by one.
The inner wall of the right cavity 103 of the upper U-shaped flue is provided with a horn-shaped smoking port 104 facing the inner side of the heat preservation cover 1, the bottom of the left cavity 101 of the upper U-shaped flue is fixed with a guide vertical pipe 106, the lower end of the guide vertical pipe 106 is inserted into the left cavity 201 in the left side wall of the furnace body, the outer wall of the right cavity 203 of the right side wall of the furnace body is fixed with a horizontal output branch pipe 205 communicated with the right cavity 203, and the tail end of each horizontal output branch pipe 205 is communicated with the same confluence pipeline 206. In this embodiment, each upper U-shaped flue has two trumpet shaped smoking openings 104 and each upper U-shaped flue has two flow directing risers 106. Each lower U-shaped flue has two horizontal outlet branches 205.
A plurality of positioning columns 105 are arranged on the bottom surface of the right side wall of the heat preservation cover 1 at intervals, and positioning holes which are in one-to-one correspondence with the positioning columns 105 are arranged on the top surface of the right side wall of the furnace body 2. A plurality of supports 207 corresponding to the converging pipelines 206 are arranged on the right side wall of the furnace body 2. The bottom cavity 202 of the lower U-shaped flue corresponding to the left side wall or the right side wall of the furnace body 2 is provided with a detachable blocking cover 204, so that dust accumulation in the bottom cavity 202 can be cleaned out.
Working principle:
in use, the outlet of the converging line 206 is connected to the exhaust fan inlet line. In the production process of the graphitizing furnace, gas escaping from the resistance material surface is ignited by an igniter, the flue gas is sucked into the corresponding upper U-shaped flue by each horn-shaped smoke suction port 104, then bypasses the top cavity 102 and enters the lower U-shaped flue through the flow guide vertical pipe 106, finally bypasses the bottom cavity 202 and is converged into a converging pipeline 206 through a horizontal output branch pipe 205, and is discharged to the outside through the converging pipeline 206 and the exhaust fan. In the process, the upper U-shaped flue and the lower U-shaped flue utilize the waste heat of the flue gas to strengthen the heat preservation effect of the graphitization furnace.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to fall within the scope of the present utility model.
Claims (7)
1. The utility model provides a graphitization furnace's insulation construction, includes the furnace body, locates the heat preservation cover of furnace body top surface, its characterized in that: the furnace body is equipped with a plurality of lower U-shaped flues by preceding to back interval, lower U-shaped flues by locating left and right side chamber in the furnace body left and right lateral wall, locate the furnace body bottom and constitute with the end chamber of left and right side chamber intercommunication, the heat preservation cover is equipped with a plurality of U-shaped flues by preceding to back interval, go up U-shaped flues by locating left and right side chamber in the heat preservation cover left and right lateral wall, locate heat preservation cover top and constitute with the top chamber of left and right side chamber intercommunication, be equipped with the loudspeaker form smoking mouth towards the heat preservation cover inboard on the inner wall in the right side chamber of going up U-shaped flue, the left side chamber bottom of going up U-shaped flue is fixed with the water conservancy diversion riser, the water conservancy diversion riser lower extreme inserts in the left side chamber in the furnace body left side wall, be fixed with the horizontal output branch pipe with right side chamber intercommunication on the right side chamber outer wall of furnace body right side wall, the end and same pipeline intercommunication of each horizontal output branch pipe.
2. The insulation structure of a graphitization furnace according to claim 1, wherein: the upper U-shaped flues and the lower U-shaped flues are equal in number and correspond to each other one by one.
3. The insulation structure of a graphitization furnace according to claim 1, wherein: each upper U-shaped flue is provided with two horn-shaped smoking openings, and each upper U-shaped flue is provided with two diversion risers.
4. The insulation structure of a graphitization furnace according to claim 1, wherein: each lower U-shaped flue has two horizontal outlet branches.
5. The insulation structure of a graphitization furnace according to claim 1, wherein: the right side wall bottom surface of heat preservation cover interval is equipped with a plurality of reference columns, be equipped with the locating hole with the reference column one-to-one on the right side wall top surface of furnace body.
6. The insulation structure of a graphitization furnace according to claim 1, wherein: the left side wall or the right side wall of the furnace body is provided with a detachable blocking cover corresponding to the bottom cavity of the lower U-shaped flue.
7. The insulation structure of a graphitization furnace according to claim 1, wherein: and a plurality of supports corresponding to the converging pipelines are arranged on the right side wall of the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321106879.9U CN219756964U (en) | 2023-05-10 | 2023-05-10 | Thermal insulation structure of graphitizing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321106879.9U CN219756964U (en) | 2023-05-10 | 2023-05-10 | Thermal insulation structure of graphitizing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219756964U true CN219756964U (en) | 2023-09-26 |
Family
ID=88081303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321106879.9U Active CN219756964U (en) | 2023-05-10 | 2023-05-10 | Thermal insulation structure of graphitizing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219756964U (en) |
-
2023
- 2023-05-10 CN CN202321106879.9U patent/CN219756964U/en active Active
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