JPH01164751U - - Google Patents
Info
- Publication number
- JPH01164751U JPH01164751U JP5975888U JP5975888U JPH01164751U JP H01164751 U JPH01164751 U JP H01164751U JP 5975888 U JP5975888 U JP 5975888U JP 5975888 U JP5975888 U JP 5975888U JP H01164751 U JPH01164751 U JP H01164751U
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- degassing tank
- injection hole
- gas injection
- outer periphery
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000009849 vacuum degassing Methods 0.000 claims 1
- 238000007872 degassing Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Description
第１図はＲＨ脱ガス槽の浸漬管の縦断面図、第
２図はＲＨ脱ガス槽による脱ガス処理の前後にお
ける溶鋼中の窒素を示したグラフ図、第３図は従
来のＲＨ脱ガス槽の縦断面図、第４図は第３図の
浸漬管を拡大して示した図である。
１……浸漬管、１０……ＲＨ脱ガス槽、１３…
…フランジ、１４……ガス吹き込み孔、１５……
キヤスタブル、１６……金物、１７……スタツド
、１８……焼成耐火物、２０……取鍋、２１……
溶鋼、２２……保温材、２３……鉄皮、２４……
鋼管、２５……第２のキヤスタブル、２６……ガ
ス注入孔。
Figure 1 is a vertical cross-sectional view of the immersion tube of the RH degassing tank, Figure 2 is a graph showing nitrogen in molten steel before and after degassing in the RH degassing tank, and Figure 3 is a conventional RH degassing tank. A longitudinal sectional view of the tank, FIG. 4, is an enlarged view of the immersion tube of FIG. 3. 1...Immersion tube, 10...RH degassing tank, 13...
...Flange, 14... Gas blowing hole, 15...
Castable, 16... Hardware, 17... Stud, 18... Calcined refractory, 20... Ladle, 21...
Molten steel, 22...Heat insulation material, 23...Iron skin, 24...
Steel pipe, 25...second castable, 26...gas injection hole.
Claims (1)
と、前記鋼管の上部に設けられたガス注入孔と、
前記鋼管の外側にキヤスタブルのライニングとを
設けたことを特徴とする真空脱ガス槽の浸漬管。 a steel pipe fixed to the flange portion and wrapped around the outer periphery; a gas injection hole provided in the upper part of the steel pipe;
A immersion pipe for a vacuum degassing tank, characterized in that a castable lining is provided on the outside of the steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5975888U JPH01164751U (en) | 1988-05-02 | 1988-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5975888U JPH01164751U (en) | 1988-05-02 | 1988-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01164751U true JPH01164751U (en) | 1989-11-17 |
Family
ID=31285504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5975888U Pending JPH01164751U (en) | 1988-05-02 | 1988-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01164751U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005325392A (en) * | 2004-05-13 | 2005-11-24 | Jfe Steel Kk | Dip tube for degassing apparatus |
| JP2008013796A (en) * | 2006-07-04 | 2008-01-24 | Nippon Steel Corp | Immersion tube for treating molten metal and manufacturing method thereof, and vacuum-degassing method |
| JP2013185194A (en) * | 2012-03-07 | 2013-09-19 | Tokyo Yogyo Co Ltd | Immersion tube for vacuum degassing apparatus |
-
1988
- 1988-05-02 JP JP5975888U patent/JPH01164751U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005325392A (en) * | 2004-05-13 | 2005-11-24 | Jfe Steel Kk | Dip tube for degassing apparatus |
| JP4496843B2 (en) * | 2004-05-13 | 2010-07-07 | Ｊｆｅスチール株式会社 | Degassing equipment dip tube |
| JP2008013796A (en) * | 2006-07-04 | 2008-01-24 | Nippon Steel Corp | Immersion tube for treating molten metal and manufacturing method thereof, and vacuum-degassing method |
| JP4676927B2 (en) * | 2006-07-04 | 2011-04-27 | 新日本製鐵株式会社 | Immersion tube for molten metal treatment, manufacturing method thereof, and vacuum degassing method |
| JP2013185194A (en) * | 2012-03-07 | 2013-09-19 | Tokyo Yogyo Co Ltd | Immersion tube for vacuum degassing apparatus |