JPH0211150U - - Google Patents
Info
- Publication number
- JPH0211150U JPH0211150U JP8670788U JP8670788U JPH0211150U JP H0211150 U JPH0211150 U JP H0211150U JP 8670788 U JP8670788 U JP 8670788U JP 8670788 U JP8670788 U JP 8670788U JP H0211150 U JPH0211150 U JP H0211150U
- Authority
- JP
- Japan
- Prior art keywords
- vacuum degassing
- degassing device
- communicates
- refractory material
- molten metal
- 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
- 238000009849 vacuum degassing Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000007872 degassing Methods 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Description
第1図〜第6図は本考案の一実施例を示し、第
1図は浸漬管の断面図、第2図は第1図のA―A
線矢視図、第3は鉄皮に冷却パイプを巻回してい
る状態の概略斜視図、第4図は鉄皮の部分展開図
、第5図はRH真空脱ガス装置全体の断面図、第
6図は浸漬管を溶鋼に浸漬して脱ガス処理を行つ
ている状態の断面図である。第7図は冷却パイプ
の溶接部分を示す断面図である。第8図は本考案
の他の実施例を示し、開閉バルブと共に示す浸漬
管の断面図である。
図中、1は鉄皮、6は耐火材層、14は溶湯通
過孔、15はガス吹込パイプ、16はガス吹込路
、17は開閉バルブ、18はガス供給部、20は
冷却パイプ、22は開閉バルブ、30はRH真空
脱ガス装置、32aは減圧室をそれぞれ示す。
Figures 1 to 6 show an embodiment of the present invention, with Figure 1 being a cross-sectional view of the immersion tube, and Figure 2 being A-A in Figure 1.
Figure 3 is a schematic perspective view of the cooling pipe wound around the steel shell, Figure 4 is a partially exploded view of the steel shell, Figure 5 is a sectional view of the entire RH vacuum degassing device, and Figure 5 is a cross-sectional view of the entire RH vacuum degassing device. FIG. 6 is a cross-sectional view of the immersion tube being immersed in molten steel to perform degassing treatment. FIG. 7 is a sectional view showing a welded portion of the cooling pipe. FIG. 8 shows another embodiment of the present invention, and is a sectional view of a dip tube together with an on-off valve. In the figure, 1 is an iron skin, 6 is a refractory material layer, 14 is a molten metal passage hole, 15 is a gas blowing pipe, 16 is a gas blowing path, 17 is an on/off valve, 18 is a gas supply section, 20 is a cooling pipe, and 22 is a 30 is an RH vacuum degassing device, and 32a is a decompression chamber.
Claims (1)
ガス供給部とを備えた真空脱ガス装置に装備され
るものであり、 鉄系金属を基材とする筒状の鉄皮と、前記鉄皮
の内面および外面側を覆い耐火材料を基材とする
耐火材層と、一端部が前記真空脱ガス装置の前記
減圧室に連通し他端部が取鍋に連通する溶湯通過
孔と、一端部が前記溶湯通過孔に連通し他端部が
前記吹込ガス供給部に連通するガス吹込路とを備
え、 前記耐火材層に、冷却パイプが前記鉄皮に固定
されて埋設されていることを特徴とする真空脱ガ
ス装置の浸漬管。[Scope of Claim for Utility Model Registration] A vacuum degassing device equipped with a vacuum degassing chamber capable of reducing pressure and a blowing gas supply section capable of supplying blowing gas. a refractory material layer that covers the inner and outer surfaces of the iron sheath and is made of a refractory material as a base material, one end of which communicates with the decompression chamber of the vacuum degassing device and the other end of which communicates with the ladle. a molten metal passage hole, and a gas blowing passage whose one end communicates with the molten metal passage hole and whose other end communicates with the blown gas supply section, and a cooling pipe is fixed to the steel shell in the refractory material layer. An immersion tube for a vacuum degassing device, characterized in that the immersion tube is buried in a vacuum degassing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8670788U JPH0211150U (en) | 1988-06-30 | 1988-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8670788U JPH0211150U (en) | 1988-06-30 | 1988-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0211150U true JPH0211150U (en) | 1990-01-24 |
Family
ID=31311346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8670788U Pending JPH0211150U (en) | 1988-06-30 | 1988-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0211150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010159461A (en) * | 2009-01-08 | 2010-07-22 | Kurosaki Harima Corp | Immersion tube |
-
1988
- 1988-06-30 JP JP8670788U patent/JPH0211150U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010159461A (en) * | 2009-01-08 | 2010-07-22 | Kurosaki Harima Corp | Immersion tube |