JPH0246847U - - Google Patents
Info
- Publication number
- JPH0246847U JPH0246847U JP12574788U JP12574788U JPH0246847U JP H0246847 U JPH0246847 U JP H0246847U JP 12574788 U JP12574788 U JP 12574788U JP 12574788 U JP12574788 U JP 12574788U JP H0246847 U JPH0246847 U JP H0246847U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- vacuum degassing
- inert gas
- gas blowing
- flange
- 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
- 238000007664 blowing Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 238000009849 vacuum degassing Methods 0.000 claims 2
- 238000010992 reflux Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000011823 monolithic refractory Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Description
第１図から第２図までは本考案の一実施例を示
し、第１図は本考案の防止構造を適用したＲＨ設
備用浸漬管の縦断面図、第２図は第１図の矢視Ａ
−Ａ断面図、第３図は還流用及びシール用不活性
ガス吹込管の接続態様を示す平面図、第４図は第
３図−線断面図。
図中：１……内筒、２……支持金物、３……外
筒、３′……不定形耐火物、４……フランジ、５
……周壁、６……還流用不活性ガス吹込管、７…
…シール用不活性ガス吹込管、８……環状空間、
８′……環状空間延長部。
Figures 1 to 2 show one embodiment of the present invention, where Figure 1 is a longitudinal cross-sectional view of a immersion pipe for RH equipment to which the prevention structure of the present invention is applied, and Figure 2 is taken in the direction of the arrow in Figure 1. A
-A sectional view, FIG. 3 is a plan view showing a connection mode of inert gas blowing pipes for reflux and sealing, and FIG. 4 is a sectional view taken along the line of FIG. 3. In the diagram: 1... Inner cylinder, 2... Support hardware, 3... Outer cylinder, 3'... Monolithic refractory, 4... Flange, 5
...Peripheral wall, 6...Inert gas blowing pipe for reflux, 7...
... Inert gas blowing pipe for sealing, 8 ... Annular space,
8'...Annular space extension part.
Claims (1)
において、外筒３のほゞ全外周に上端をフランジ
４に密着させた鋼鉄製の周壁５を空間８を設けて
配設し、該空間８上端部にシール用不活性ガス吹
込管７端部を接続する接続孔を開口したことを特
徴とする真空脱ガス設備用浸漬管における吸窒防
止構造。 In an immersion tube that performs vacuum degassing treatment by immersing it in molten steel, a peripheral wall 5 made of steel whose upper end is in close contact with the flange 4 is disposed around almost the entire outer circumference of the outer cylinder 3 with a space 8 provided therein. A structure for preventing nitrification in a submerged tube for vacuum degassing equipment, characterized in that a connection hole for connecting an end of a sealing inert gas blowing tube 7 is opened at the upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12574788U JPH0246847U (en) | 1988-09-28 | 1988-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12574788U JPH0246847U (en) | 1988-09-28 | 1988-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246847U true JPH0246847U (en) | 1990-03-30 |
Family
ID=31376629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12574788U Pending JPH0246847U (en) | 1988-09-28 | 1988-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246847U (en) |
-
1988
- 1988-09-28 JP JP12574788U patent/JPH0246847U/ja active Pending