JPH01102152U - - Google Patents
Info
- Publication number
- JPH01102152U JPH01102152U JP19684687U JP19684687U JPH01102152U JP H01102152 U JPH01102152 U JP H01102152U JP 19684687 U JP19684687 U JP 19684687U JP 19684687 U JP19684687 U JP 19684687U JP H01102152 U JPH01102152 U JP H01102152U
- Authority
- JP
- Japan
- Prior art keywords
- heat treatment
- treatment furnace
- atmospheric heat
- exhaust gas
- lid
- 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 6
- 235000011194 food seasoning agent Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Description
第１図は本考案にかゝる雰囲気熱処理炉の模式
図、第２図ａ，ｂは、その要部である蓋の取付け
構造を示す平面図と正面図、第３図は該蓋の作動
状態を示す正面図、第４図は従来の雰囲気熱処理
炉の模式図である。
１……炉本体、８……雰囲気ガス供給用配管、
１２……変成ガス流量計、１３……炭化水素ガス
流量計、２１……排ガスベント、２２……バルブ
、２４……蓋。
Figure 1 is a schematic diagram of an atmospheric heat treatment furnace according to the present invention, Figures 2a and b are a plan view and front view showing the mounting structure of the lid, which is the main part, and Figure 3 is the operation of the lid. FIG. 4, a front view showing the state, is a schematic diagram of a conventional atmospheric heat treatment furnace. 1... Furnace body, 8... Atmosphere gas supply piping,
12...Transformed gas flow meter, 13...Hydrocarbon gas flow meter, 21...Exhaust gas vent, 22...Valve, 24...Lid.
Claims (1)
してシーズニングを行なう雰囲気熱処理炉におい
て、排ガスベントに排ガス流量を調整するバルブ
を介装すると共に、前記排ガスベントの前記バル
ブより開口寄りに炉内圧を正圧に保持する蓋を開
閉自在に設けたことを特徴とする雰囲気熱処理炉
。 (2) 蓋が、常時排ガスを逃がす孔を具備するこ
とを特徴とする実用新案登録請求の範囲第１項記
載の雰囲気熱処理炉。 (3) 孔の径が、５〜１０mmであることを特徴と
する実用新案登録請求の範囲第２項記載の雰囲気
熱処理炉。[Scope of Claim for Utility Model Registration] (1) In an atmospheric heat treatment furnace that performs seasoning by introducing atmospheric gas after completion of temperature rise during restart, a valve for adjusting the flow rate of the exhaust gas is installed in the exhaust gas vent, and the An atmospheric heat treatment furnace characterized in that a lid for maintaining the furnace internal pressure at a positive pressure is provided closer to the opening of the vent than the valve and can be opened and closed. (2) The atmospheric heat treatment furnace according to claim 1, wherein the lid is provided with a hole that allows exhaust gas to escape at all times. (3) The atmospheric heat treatment furnace according to claim 2, wherein the diameter of the holes is 5 to 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19684687U JPH01102152U (en) | 1987-12-25 | 1987-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19684687U JPH01102152U (en) | 1987-12-25 | 1987-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102152U true JPH01102152U (en) | 1989-07-10 |
Family
ID=31487438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19684687U Pending JPH01102152U (en) | 1987-12-25 | 1987-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011137229A (en) * | 2009-12-16 | 2011-07-14 | Ipsen Internatl Gmbh | Method and apparatus for controlling process-gas for heat-treating metallic material/metallic workpiece in industrial furnace |
-
1987
- 1987-12-25 JP JP19684687U patent/JPH01102152U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011137229A (en) * | 2009-12-16 | 2011-07-14 | Ipsen Internatl Gmbh | Method and apparatus for controlling process-gas for heat-treating metallic material/metallic workpiece in industrial furnace |
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