CN203034053U - Heating chamber of vacuum heat treatment furnace - Google Patents
Heating chamber of vacuum heat treatment furnace Download PDFInfo
- Publication number
- CN203034053U CN203034053U CN 201220708019 CN201220708019U CN203034053U CN 203034053 U CN203034053 U CN 203034053U CN 201220708019 CN201220708019 CN 201220708019 CN 201220708019 U CN201220708019 U CN 201220708019U CN 203034053 U CN203034053 U CN 203034053U
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- Prior art keywords
- graphite felt
- group
- heating chamber
- heat treatment
- vacuum heat
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- Expired - Fee Related
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Abstract
The utility model discloses a heating chamber of a vacuum heat treatment furnace. The heating chamber comprises a cylindrical cavity composed of a metal screen board, graphite felt groups are arranged on the inner wall of the cavity, the graphite felt groups comprise a hard graphite felt group and a soft graphite felt group, the soft graphite felt group is fixed on the inner wall of the cavity, and the hard graphite felt group is located at the outer layer of the soft graphite felt group; and annular heating zones are evenly arranged on the inner wall of the cavity, blowpipe groups are evenly disposed between the heating zones, and a support frame is arranged below the inner wall of the cavity. By means of the heating chamber, the heat insulation effect is good, and the heating efficiency is improved.
Description
Technical field
The utility model relates to a kind of Equipment for Heating Processing, is specifically related to a kind of heating chamber structure of vacuum heat treatment furnace.
Background technology
Vacuum heat treatment furnace is a kind of advanced person's Equipment for Heating Processing, can carry out metallic substance and workpiece heating under vacuum, quenching, tempering, annealing, carburizing, nitriding, add the various thermal treatments such as quench of calming the anger, the vacuum heat treatment process can make treated material and workpiece performance significantly improve, and material is fully used.
Mainly comprise heating unit and thermofin in the furnace chamber, thermofin is significant for the energy consumption of minimizing stove own, raising heating efficiency.For thermofin, except having the excellent heat insulation property, also require requirements such as degasification is rapid, thermal capacity is little, Heat stability is good.
Current thermofin mainly adopts all-metal counter radiation thermoscreen, generally is to be made up of which floor sheet metal (being generally phase, stainless steel), shading ring and supporting bar etc., though the degassing is fast, effect of heat insulation is poor, has reduced the heating efficiency of vacuum heat treatment furnace.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of vacuum heat treatment furnace heating chamber, to reach good heat-insulation effect, improve the purpose of heating efficiency.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of vacuum heat treatment furnace heating chamber, it comprises the cylindrical cavity of being made up of metal otter board; Described cavity inner wall is provided with the graphite felt group, and described graphite felt group comprises hard graphite felt group and soft graphite felt group, and described soft graphite felt group is fixed on cavity inner wall, and described hard graphite felt group is positioned at soft graphite felt group skin; Described cavity inner wall evenly is provided with annular heating zone, evenly is provided with the blowpipe group between every heating zone, and described cavity inner wall below is provided with bracing frame.
Preferably, described soft graphite felt group comprises three layers of soft graphite felt.
Preferably, described hard graphite felt group comprises two-layer hard graphite felt.
Preferably, described annular heating zone is the molybdenum heating zone, comprises 9 groups.
Preferably, described blowpipe group is graphite blowpipe group.
Pass through technique scheme, vacuum heat treatment furnace heating chamber disclosed in the utility model, its thermofin is made up of the graphite felt group, the graphite felt group comprises the soft graphite felt group that is positioned at internal layer and is positioned at outer field hard graphite felt group, total thickness is 35mm, when its inner wall temperature is 1300 ℃, outside wall temperature is only about 250 ℃, the thermofin of this structure is made easily, and the life-span is long, keeps in repair, changes conveniently, thermal inertia is little, can realize rapid heating and fast cooling, good heat-insulation effect can improve the heating efficiency of heating chamber.
Description of drawings
Fig. 1 is the structural representation of the disclosed a kind of vacuum heat treatment furnace heating chamber of the utility model embodiment.
Embodiment
The utility model provides a kind of vacuum heat treatment furnace heating chamber, and as shown in Figure 1, this heating chamber comprises: by the cylindrical cavity 1 that metal otter board is formed, columnar structure is with respect to other shape mechanisms, and it is good to have a heat-transfer effect, the advantage that thermosteresis is little.Cylindrical cavity 1 inwall is provided with the graphite felt group, the graphite felt group comprises two-layer hard graphite felt group 2 and three layers of soft graphite felt group 3, soft graphite felt group 3 is fixed on cavity inner wall, hard graphite felt group 2 is positioned at soft graphite felt group 3 skins, the graphite felt group is pricked on the wire netting grillage by graphite rope or aluminium wire seam, forms the thermofin of heating chamber.
Cavity inner wall evenly is provided with the molybdenum heating zone 4 of 9 annulars, and molybdenum heating zone 4 is supported by molybdenum support 5 and arranged, and evenly is provided with graphite blowpipe group 6 between every heating zone, makes the warm air in the heating chamber mix by graphite blowpipe group 6.
The cavity inner wall below is provided with bracing frame 7, is used for placing pending workpiece, and the size of support and structure arrange flexibly according to the structure of workpiece.
The indoor thermofin of vacuum heat treatment furnace heating chamber disclosed in the utility model is made up of the graphite felt thermofin, and the graphite felt thermofin is made up of the hard graphite felt of multilayer and soft graphite felt, pricks by graphite rope or aluminium wire seam to constitute on the wire netting grillage.This insulating layer structure is simple, and is easy to manufacture, and the life-span is long, and keeps in repair, changes conveniently, good heat-insulation effect, and thermal inertia is little, can realize rapid heating and cooling fast.Actual service condition shows that the employing total thickness is that the graphite felt of 35mm is made thermofin, and when its inner wall temperature was 1300 ℃, outside wall temperature was only about 250 ℃.Greatly improved heating efficiency.
The above only is preferred embodiment of the present utility model, and in order to limit the utility model, all modifications of making within spirit of the present utility model and equal conversion all should not drop within the protection domain of the present utility model.
Claims (5)
1. a vacuum heat treatment furnace heating chamber is characterized in that, comprises the cylindrical cavity of being made up of metal otter board; Described cavity inner wall is provided with the graphite felt group, and described graphite felt group comprises hard graphite felt group and soft graphite felt group, and described soft graphite felt group is fixed on cavity inner wall, and described hard graphite felt group is positioned at soft graphite felt group skin; Described cavity inner wall evenly is provided with annular heating zone, evenly is provided with the blowpipe group between every heating zone, and described cavity inner wall below is provided with bracing frame.
2. a kind of vacuum heat treatment furnace heating chamber according to claim 1 is characterized in that, described soft graphite felt group comprises three layers of soft graphite felt.
3. a kind of vacuum heat treatment furnace heating chamber according to claim 1 is characterized in that, described hard graphite felt group comprises two-layer hard graphite felt.
4. a kind of vacuum heat treatment furnace heating chamber according to claim 1 is characterized in that, described annular heating zone is the molybdenum heating zone, comprises 9 groups.
5. a kind of vacuum heat treatment furnace heating chamber according to claim 1 is characterized in that, described blowpipe group is graphite blowpipe group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220708019 CN203034053U (en) | 2012-12-20 | 2012-12-20 | Heating chamber of vacuum heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220708019 CN203034053U (en) | 2012-12-20 | 2012-12-20 | Heating chamber of vacuum heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203034053U true CN203034053U (en) | 2013-07-03 |
Family
ID=48686190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220708019 Expired - Fee Related CN203034053U (en) | 2012-12-20 | 2012-12-20 | Heating chamber of vacuum heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203034053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106413A (en) * | 2018-01-19 | 2018-06-01 | 苏州楚翰真空科技有限公司 | A kind of vertical high-temperature sintering furnace |
-
2012
- 2012-12-20 CN CN 201220708019 patent/CN203034053U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106413A (en) * | 2018-01-19 | 2018-06-01 | 苏州楚翰真空科技有限公司 | A kind of vertical high-temperature sintering furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20131220 |