JPS61198252U - - Google Patents
Info
- Publication number
- JPS61198252U JPS61198252U JP7765585U JP7765585U JPS61198252U JP S61198252 U JPS61198252 U JP S61198252U JP 7765585 U JP7765585 U JP 7765585U JP 7765585 U JP7765585 U JP 7765585U JP S61198252 U JPS61198252 U JP S61198252U
- Authority
- JP
- Japan
- Prior art keywords
- blowing
- cooling protection
- pipe
- molten metal
- refractory
- 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 8
- 239000011449 brick Substances 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 3
- 238000007654 immersion Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 239000012159 carrier gas Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000376 reactant Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011823 monolithic refractory Substances 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
第１図は本考案にかかる吹込ランスの概略縦断
面図、第２図は本考案吹込ランスのスラグライン
相当部の部分縦断面図、第３図はその横断面図、
第４図は本考案にかかわる不定形耐火物の熱伝導
率と耐火煉瓦の溶損速度との比較グラフ、第５図
は本考案にかかわる吹込ランスを用いた操業説明
図、第６図は周知の吹込ランスの縦断面図である
。
FIG. 1 is a schematic longitudinal cross-sectional view of the blowing lance according to the present invention, FIG. 2 is a partial vertical cross-sectional view of the portion corresponding to the slag line of the blowing lance of the present invention, and FIG.
Figure 4 is a graph comparing the thermal conductivity of monolithic refractories and the erosion rate of refractory bricks according to the present invention, Figure 5 is an explanatory diagram of operation using the blowing lance according to the present invention, and Figure 6 is a well-known graph. FIG.
Claims (1)
反応物を吹込む吹込管と該吹込管を囲繞する冷却
保護管と前記冷却保護管を被覆する耐火被覆材か
らなる溶湯浸漬吹込ランスであつて、 スラグライン相当部の耐火被覆材が、良伝熱性
耐火物ライニングを介在し前記冷却保護管を抱持
する分割合せ型の耐火煉瓦で構成されている溶湯
浸漬吹込ランス。[Scope of Claim for Utility Model Registration] A molten metal immersion blowing lance consisting of a blowing pipe for blowing stirring gas and/or carrier gas and a powdered reactant, a cooling protection pipe surrounding the blowing pipe, and a fireproof covering material covering the cooling protection pipe. A molten metal immersion blowing lance, wherein the refractory covering of a portion corresponding to the slag line is composed of a portion-shaped refractory brick supporting the cooling protection tube with a refractory lining having good heat conductivity interposed therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7765585U JPS61198252U (en) | 1985-05-27 | 1985-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7765585U JPS61198252U (en) | 1985-05-27 | 1985-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61198252U true JPS61198252U (en) | 1986-12-11 |
Family
ID=30620917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7765585U Pending JPS61198252U (en) | 1985-05-27 | 1985-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61198252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101037163B1 (en) * | 2008-12-26 | 2011-05-26 | 재단법인 포항산업과학연구원 | Apparatus for preventing and removing a sticked molten steel on main lance of converter |
-
1985
- 1985-05-27 JP JP7765585U patent/JPS61198252U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101037163B1 (en) * | 2008-12-26 | 2011-05-26 | 재단법인 포항산업과학연구원 | Apparatus for preventing and removing a sticked molten steel on main lance of converter |
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