JPS6194550U - - Google Patents
Info
- Publication number
- JPS6194550U JPS6194550U JP17955284U JP17955284U JPS6194550U JP S6194550 U JPS6194550 U JP S6194550U JP 17955284 U JP17955284 U JP 17955284U JP 17955284 U JP17955284 U JP 17955284U JP S6194550 U JPS6194550 U JP S6194550U
- Authority
- JP
- Japan
- Prior art keywords
- heat treatment
- batch
- treatment furnace
- type heat
- charging chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 1
- 229910010271 silicon carbide Inorganic materials 0.000 claims 1
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Description
第1図は本考案にかかるバツチ式熱処理炉の断
面図、第2図は第1図の−線断面図、第3図
は第2図の−線断面図で、第4図〜第6図は
各種の熱処理時の熱処理室の温度カーブと炉圧を
示すグラフである。
1…装入室、3…冷却フアン、4…焼入油槽、
7…真空排気装置、10…冷却器、11…冷却手
段、12…断熱中間扉、13…熱処理室、14…
断熱材、15…循環フアン、16…加熱手段、1
9…ガスクーラ、20…ブロア。
Fig. 1 is a sectional view of a batch-type heat treatment furnace according to the present invention, Fig. 2 is a sectional view taken along the - line in Fig. 1, Fig. 3 is a sectional view taken along the - line in Fig. 2, and Figs. is a graph showing the temperature curve and furnace pressure of the heat treatment chamber during various heat treatments. 1...Charging chamber, 3...Cooling fan, 4...Quenching oil tank,
7...Evacuation device, 10...Cooler, 11...Cooling means, 12...Insulating intermediate door, 13...Heat treatment chamber, 14...
Heat insulating material, 15...Circulation fan, 16...Heating means, 1
9...Gas cooler, 20...Blower.
Claims (1)
た熱処理室とを断熱中間扉で区画し、前記装入室
に不活性ガス供給管と真空排気装置とを設けると
ともに、前記熱処理室に循環フアン、加熱装置、
保護雰囲気ガス供給管および真空排気装置とを設
けたことを特徴とするバツチ式熱処理炉。 (2) 前記加熱装置が、セラミツク製中空管と、
該管中空部に位置する炭化ケイ素系発熱体とから
なることを特徴とする前記実用新案登録請求の範
囲第1項に記載のバツチ式熱処理炉。 (3) 前記冷却手段が、装入室の底部に位置する
焼入油槽からなることを特徴とする前記実用新案
登録請求の範囲第1項または第2項に記載のバツ
チ式熱処理炉。 (4) 前記冷却手段が、装入室の底部に位置する
焼入油槽、冷却フアンおよび冷却器からなること
を特徴とする前記実用新案登録請求の範囲第1項
または第2項に記載のバツチ式熱処理炉。[Scope of Claim for Utility Model Registration] (1) A charging chamber having a cooling means and a heat treatment chamber lined with a heat insulating material are separated by an insulating intermediate door, and an inert gas supply pipe and a vacuum exhaust device are provided in the charging chamber. and a circulation fan, a heating device,
A batch-type heat treatment furnace characterized by being equipped with a protective atmosphere gas supply pipe and a vacuum exhaust device. (2) The heating device includes a ceramic hollow tube;
The batch-type heat treatment furnace according to claim 1, characterized in that it comprises a silicon carbide-based heating element located in the hollow portion of the tube. (3) The batch type heat treatment furnace according to claim 1 or 2, wherein the cooling means comprises a quenching oil tank located at the bottom of the charging chamber. (4) The batch according to claim 1 or 2, wherein the cooling means comprises a quenching oil tank located at the bottom of the charging chamber, a cooling fan, and a cooler. Type heat treatment furnace.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17955284U JPS6194550U (en) | 1984-11-26 | 1984-11-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17955284U JPS6194550U (en) | 1984-11-26 | 1984-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6194550U true JPS6194550U (en) | 1986-06-18 |
Family
ID=30737119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17955284U Pending JPS6194550U (en) | 1984-11-26 | 1984-11-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6194550U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63262455A (en) * | 1987-04-21 | 1988-10-28 | Michio Sugiyama | Vacuum carburization furnace and its operating method |
JP2010070804A (en) * | 2008-09-18 | 2010-04-02 | Daido Steel Co Ltd | Batch type heat-treatment furnace |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5760018A (en) * | 1980-09-30 | 1982-04-10 | Ishikawajima Harima Heavy Ind Co Ltd | Heat treatment installation for metal |
-
1984
- 1984-11-26 JP JP17955284U patent/JPS6194550U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5760018A (en) * | 1980-09-30 | 1982-04-10 | Ishikawajima Harima Heavy Ind Co Ltd | Heat treatment installation for metal |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63262455A (en) * | 1987-04-21 | 1988-10-28 | Michio Sugiyama | Vacuum carburization furnace and its operating method |
JP2010070804A (en) * | 2008-09-18 | 2010-04-02 | Daido Steel Co Ltd | Batch type heat-treatment furnace |
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