CN220103756U - Insulation structure of ceramic support - Google Patents
Insulation structure of ceramic support Download PDFInfo
- Publication number
- CN220103756U CN220103756U CN202321435366.2U CN202321435366U CN220103756U CN 220103756 U CN220103756 U CN 220103756U CN 202321435366 U CN202321435366 U CN 202321435366U CN 220103756 U CN220103756 U CN 220103756U
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- Prior art keywords
- ceramic
- support column
- graphite
- heating chamber
- structure according
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- 239000000919 ceramic Substances 0.000 title claims abstract description 90
- 238000009413 insulation Methods 0.000 title claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 100
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 100
- 239000010439 graphite Substances 0.000 claims abstract description 100
- 238000010438 heat treatment Methods 0.000 claims abstract description 67
- 238000002955 isolation Methods 0.000 claims abstract 2
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 28
- 229910021385 hard carbon Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 230000005526 G1 to G0 transition Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- Furnace Details (AREA)
- Resistance Heating (AREA)
Abstract
The utility model relates to an insulating support element of a vacuum furnace, in particular to an insulating structure of a ceramic support. Including graphite heat-generating body, graphite support column, ceramic pad, ceramic support column and heating chamber casing, wherein ceramic support column runs through the heating chamber casing and can dismantle with the heating chamber casing and be connected, and graphite support column sets up in the heating chamber casing, and is connected with ceramic support column, and graphite support column is through the insulating isolation of ceramic pad and heating chamber casing on the cover locates the ceramic support column, and graphite heat-generating body is fixed on graphite support column. The utility model adopts a mode of combining ceramic support column insulation and graphite support column stationary phase, has reliable structure, good insulation performance, long service life and reduced energy consumption.
Description
Technical Field
The utility model relates to an insulating support element of a vacuum furnace, in particular to an insulating structure of a ceramic support.
Background
The graphite has the advantages of good chemical stability, high temperature resistance, small deformation, low cost and the like. Graphite has been widely used as a heater in vacuum furnaces for vacuum brazing, vacuum sintering, and the like. Meanwhile, the thermal conductivity and the electrical conductivity of the graphite are quite high, and the energy consumption is high, so that the structural design needs to consider the energy conservation and the energy consumption reduction.
At present, the graphite insulation adopts a structure that a ceramic tube is sleeved outside a graphite support column, the graphite support column penetrates through a heat insulation material, if the insulation tube is damaged, short circuit between graphite and a heater can be caused, and meanwhile, the heat loss of the graphite support column is large, namely, the energy consumption is high.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide an insulation structure of a ceramic support, which solves the problems that the short circuit and the ignition of a graphite heater are caused when the insulation of an insulation tube is damaged in the prior art, and the heat loss of a graphite support column is large.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an insulating structure of a ceramic support, which comprises a graphite heating body, a graphite support column, a ceramic pad, a ceramic support column and a heating chamber shell, wherein the ceramic support column penetrates through the heating chamber shell and is detachably connected with the heating chamber shell, the graphite support column is arranged in the heating chamber shell and is connected with the ceramic support column, the graphite support column is insulated and isolated from the heating chamber shell through the ceramic pad sleeved on the ceramic support column, and the graphite heating body is fixed on the graphite support column.
In one possible implementation, one end of the graphite support column is in threaded connection with the ceramic support column through an internally threaded hole.
In one possible implementation, the other end of the graphite support column passes through the through hole on the graphite heating body and is in threaded connection with the graphite nut through external threads.
In one possible implementation, the ceramic support column is provided with a central through hole along the axis, and a metal support column is inserted in the central through hole.
In one possible implementation manner, the metal support column is made of a high-temperature-resistant metal material, and two ends of the metal support column are fixed through two nuts respectively.
In one possible implementation manner, the ceramic sleeve is sleeved outside the ceramic pad, and one end of the graphite support column is accommodated in the ceramic sleeve.
In one possible implementation, the heating chamber housing includes a heating chamber housing and a thermal insulation layer disposed inside the heating chamber housing, the heating chamber housing and the thermal insulation layer being provided with mounting holes for the ceramic support posts to pass through.
In one possible implementation, a metal nut coaxial with the mounting hole is fixed on the outer wall of the heating chamber shell, and the ceramic support column is in threaded connection with the metal nut.
In one possible implementation, the metal nut is welded to the heating chamber housing.
In one possible implementation, the thermal insulation layer is a hard carbon felt.
The utility model has the advantages and beneficial effects that: the insulating structure of the ceramic support provided by the utility model adopts a mode of combining ceramic support column insulation and graphite support column stationary phase, and has reliable structure and good insulating property; meanwhile, compared with a graphite support column structure, the energy consumption is low, and the economic cost is reduced.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic view of a ceramic-supported insulating structure according to the present utility model.
In the figure: 1. the heating device comprises a graphite nut, a graphite heating body, a graphite support column, a ceramic pad, a heat insulation layer, a heating chamber shell, a metal nut, a ceramic support column, a metal support column, a ceramic sleeve and a nut, wherein the graphite nut, the graphite heating body, the graphite support column, the ceramic pad, the heat insulation layer, the heating chamber shell, the metal nut, the ceramic support column, the metal support column, the ceramic sleeve and the nut.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
The embodiment of the utility model provides an insulating structure of a ceramic support, which adopts a ceramic support insulating mode, has reliable structure and good insulating property, and has low energy consumption relative to a graphite support column structure. Referring to fig. 1, the insulating structure of the ceramic support comprises a graphite heating element 2, a graphite support column 3, a ceramic pad 4, a ceramic support column 8 and a heating chamber shell, wherein the ceramic support column 8 penetrates through the heating chamber shell and is detachably connected with the heating chamber shell, the graphite support column 3 is arranged in the heating chamber shell and is connected with the ceramic support column 8, the graphite support column 3 is insulated and isolated from the heating chamber shell through the ceramic pad 4 sleeved on the ceramic support column 8, the graphite heating element 2 is fixed on the graphite support column 3, and the graphite support column 3 plays a role in supporting the graphite heating element 2.
According to the insulating structure of the ceramic support, the graphite support column support in the prior art is replaced by the combined support of the ceramic support column 8 and the graphite support column 3, so that the support and the fixation of the graphite heating body 2 are realized, only the ceramic support column 8 penetrates through the heating chamber shell, the graphite support column 3 at the upper end of the ceramic support column 8 is connected with the graphite heating body 2, an insulating structure is not needed between the graphite support column 3 and the graphite heating body 2, and only the ceramic pad 4 is additionally arranged between the graphite support column 3 and the heating chamber shell.
In the embodiment of the utility model, the graphite support column 3 has a stepped shaft structure so as to position and fix the graphite support column 3. One end of the graphite support column 3 is provided with an internal threaded hole, and the other end is provided with external threads. Preferably, the internal threaded hole is provided at the large diameter end of the graphite support column 3, and the external thread is provided at the small diameter end of the graphite support column 3. One end of the graphite support column 3 is in threaded connection with the ceramic support column 8 through an internal threaded hole, and one end of the graphite support column 3 is in butt joint with the ceramic pad 4. Adopt threaded connection mode between graphite support column 3 and the ceramic support column 8, make things convenient for dismantlement and the installation between graphite support column 3 and the ceramic support column 8, make things convenient for the installation direction of adjustment graphite support column 3 simultaneously.
In this embodiment, the graphite heating element 2 has a cylindrical structure, and a through hole is provided in the graphite heating element 2 along the radial direction. The other end of the graphite support column 3 passes through the through hole on the graphite heating body 2 and is limited by the axial direction of the shoulder of the stepped shaft. The other end of the graphite support column 3 is in threaded connection with the graphite nut 1 through external threads, and the graphite nut 1 compresses and fixes the graphite heating body 2, so that the graphite heating body 2 and the graphite support column 3 are relatively fixed and do not move. The structure is convenient to detach on the inner side of the heating chamber, the graphite heating body 2 can be detached by detaching the graphite nut 1, the operation is simple, and the maintenance is convenient.
Further, referring to fig. 1, a central through hole is provided on the ceramic support column 8 along the axis, and a metal support column 9 is inserted into the central through hole, and two ends of the metal support column 9 are exposed outside the ceramic support column 8 and are fixed by two nuts 11 respectively. The nut 11 positioned on the inner side is accommodated in the inner threaded hole of the graphite support column 3 and is not in contact with the graphite support column 3, namely, a gap is also formed between the metal support column 9 and the graphite support column 3, and the graphite support column 3 is more reliable in insulation. By arranging the metal support column 9 inside the ceramic support column 8, the strength of the ceramic support column 8 is greatly improved, and meanwhile, even if the ceramic support column 8 breaks, the short circuit phenomenon can not occur. Meanwhile, the ceramic support column 8 cannot fall off under the condition of fracture.
Preferably, the metal support column 9 and the two nuts 11 are both made of a high temperature resistant metal material. Specifically, the metal rod is made of high-temperature resistant materials such as molybdenum, tantalum or tungsten.
In the embodiment of the utility model, the heating chamber shell comprises a heating chamber shell 6 and a heat insulation layer 5 arranged on the inner side of the heating chamber shell 6, wherein the heating chamber shell 6 and the heat insulation layer 5 are provided with mounting holes for the ceramic support columns 8 to pass through. Preferably, the insulating layer 5 is a hard carbon felt.
Further, a metal nut 7 coaxial with the mounting hole is fixed on the outer wall of the heating chamber housing 6, and a ceramic support column 8 is in threaded connection with the metal nut 7. Specifically, the metal nuts 7 are spot welded to the heating chamber housing 6, and the metal nuts 7 facilitate the installation and securing of the ceramic support posts 8. The ceramic support column 8 and the metal nut 7 are in threaded connection, so that maintenance and replacement are convenient, heat conduction is low, and energy consumption is low.
As shown in fig. 1, on the basis of the above embodiment, further, a ceramic sleeve 10 is sleeved on the outer side of the ceramic pad 4, one end of the graphite support column 3 is accommodated in the ceramic sleeve 10, and the ceramic sleeve 10 shields and protects the ceramic pad 4 to prevent the ceramic pad 4 from cracking. Meanwhile, the ceramic sleeve 10 increases the insulation distance between the graphite support column 3 and the heat insulation layer 5, so that the insulation performance is improved.
The utility model provides an insulating structure of a ceramic support, which adopts a mode that a ceramic support column 8 penetrates through a heating chamber shell to carry out insulating support and a graphite heating body 2 is fixed through a graphite support column 3, so that the insulating performance is improved, and the structure is reliable. Ceramic support columns 8 pass through the heating chamber housing and insulation material, and metal support columns 9 are built into the ceramic support columns 8 for strength. Even if the ceramic support column 8 is damaged, the phenomenon of short circuit ignition of graphite and a graphite heating body is avoided. Meanwhile, the graphite support column 3 is only used for supporting the part connected with the graphite heating body 2, so that the consumption of graphite material parts is reduced, the heat loss of the graphite support column 3 is greatly reduced, and the energy consumption is effectively reduced. The utility model can realize that graphite is used as the heater supporting structure of the vacuum furnace, is more reliable, has long service life and reduces energy consumption.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides an insulation system of ceramic support, a serial communication port, including graphite heat-generating body (2), graphite support column (3), ceramic pad (4), ceramic support column (8) and heating chamber casing, wherein ceramic support column (8) run through the heating chamber casing and can dismantle with the heating chamber casing and be connected, graphite support column (3) set up in the heating chamber casing, and be connected with ceramic support column (8), graphite support column (3) are through cover ceramic pad (4) and heating chamber casing insulation isolation on locating ceramic support column (8), graphite heat-generating body (2) are fixed on graphite support column (3).
2. Ceramic-supported insulation structure according to claim 1, characterized in that one end of the graphite support column (3) is screwed with the ceramic support column (8) by means of an internally threaded hole.
3. The ceramic-supported insulation structure according to claim 2, wherein the other end of the graphite support column (3) passes through a through hole on the graphite heating body (2) and is in threaded connection with the graphite nut (1) through external threads.
4. Ceramic-supported insulating structure according to claim 1, characterized in that the ceramic support columns (8) are provided with central through holes along the axis, and in that metal support columns (9) are inserted in the central through holes.
5. The ceramic-supported insulating structure according to claim 4, wherein the metal support columns (9) are made of a high-temperature-resistant metal material, and both ends of the metal support columns (9) are fixed by two nuts (11), respectively.
6. The ceramic-supported insulation structure according to claim 1, wherein the ceramic pad (4) is externally sleeved with a ceramic sleeve (10), and one end of the graphite support column (3) is accommodated in the ceramic sleeve (10).
7. The ceramic-supported insulating structure according to claim 1, wherein the heating chamber housing comprises a heating chamber housing (6) and a heat insulating layer (5) provided inside the heating chamber housing (6), the heating chamber housing (6) and the heat insulating layer (5) being provided with mounting holes for the ceramic support columns (8) to pass through.
8. The ceramic-supported insulating structure according to claim 7, wherein a metal nut (7) coaxial with the mounting hole is fixed to the outer wall of the heating chamber housing (6), and the ceramic support column (8) is screwed with the metal nut (7).
9. Ceramic supported insulating structure according to claim 8, characterized in that the metal nut (7) is welded to the heating chamber housing (6).
10. Ceramic-supported insulation structure according to claim 7, characterized in that the insulating layer (5) is made of a hard carbon felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321435366.2U CN220103756U (en) | 2023-06-07 | 2023-06-07 | Insulation structure of ceramic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321435366.2U CN220103756U (en) | 2023-06-07 | 2023-06-07 | Insulation structure of ceramic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220103756U true CN220103756U (en) | 2023-11-28 |
Family
ID=88873239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321435366.2U Active CN220103756U (en) | 2023-06-07 | 2023-06-07 | Insulation structure of ceramic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220103756U (en) |
-
2023
- 2023-06-07 CN CN202321435366.2U patent/CN220103756U/en active Active
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