JPH0381351U - - Google Patents
Info
- Publication number
- JPH0381351U JPH0381351U JP14370389U JP14370389U JPH0381351U JP H0381351 U JPH0381351 U JP H0381351U JP 14370389 U JP14370389 U JP 14370389U JP 14370389 U JP14370389 U JP 14370389U JP H0381351 U JPH0381351 U JP H0381351U
- Authority
- JP
- Japan
- Prior art keywords
- lance
- built
- injection lance
- refractory layer
- monolithic 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000011823 monolithic refractory Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000007670 refining Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000002184 metal 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)
Description
第１図は本考案の一実施例を示す図、第２図は
本考案の他の実施例を示す図、第３図は溶銑脱燐
処理による本考案のランスパイプの表面温度と使
用時間との関係を示す図、第４図は従来のインジ
エクシヨン・ランスの一例を示す図、第５図は従
来のインジエクシヨン・ランスの他の例を示す図
である。
２１……スリツト部、２２……不定形耐火物層
、２３……ガス抜き孔、２４……断熱材。
Figure 1 is a diagram showing one embodiment of the present invention, Figure 2 is a diagram showing another embodiment of the present invention, and Figure 3 is a diagram showing the surface temperature and usage time of the lance pipe of the present invention by hot metal dephosphorization treatment. FIG. 4 is a diagram showing an example of a conventional injection lance, and FIG. 5 is a diagram showing another example of a conventional injection lance. 21... Slit portion, 22... Monolithic refractory layer, 23... Gas vent hole, 24... Heat insulating material.
Claims (1)
外周に取付けられた不定形耐火物層からなるイン
ジエクシヨン・ランスにおいて、前記イジエクシ
ヨン・ランスの上部の不定形耐火物層を肉盛り構
造にするとともに、ランスパイプとその肉盛りし
た不定形耐火物層との間にスリツト部を内蔵させ
たことを特徴とするインジエクシヨン・ランス。 (2) 請求項１のスリツト部の中に断熱材を充填
したことを特徴とするインジエクシヨン・ランス
。[Claims for Utility Model Registration] (1) In an injection lance that is used for refining molten iron and consists of a lance pipe and a monolithic refractory layer attached to its outer periphery, the monolithic refractory layer on the upper part of the injection lance This injection lance is characterized by having a built-up structure and a built-in slit section between the lance pipe and the built-up monolithic refractory layer. (2) An injection lance characterized in that the slit portion of claim 1 is filled with a heat insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989143703U JPH0745558Y2 (en) | 1989-12-13 | 1989-12-13 | Injection lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989143703U JPH0745558Y2 (en) | 1989-12-13 | 1989-12-13 | Injection lance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0381351U true JPH0381351U (en) | 1991-08-20 |
| JPH0745558Y2 JPH0745558Y2 (en) | 1995-10-18 |
Family
ID=31690460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989143703U Expired - Lifetime JPH0745558Y2 (en) | 1989-12-13 | 1989-12-13 | Injection lance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0745558Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013069573A1 (en) * | 2011-11-08 | 2013-05-16 | 株式会社フジコー | Curved surface weld overlay method and lance manufacturing method employing same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01289396A (en) * | 1988-05-17 | 1989-11-21 | Matsushita Electric Ind Co Ltd | Remotely controlled transmitter |
-
1989
- 1989-12-13 JP JP1989143703U patent/JPH0745558Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01289396A (en) * | 1988-05-17 | 1989-11-21 | Matsushita Electric Ind Co Ltd | Remotely controlled transmitter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013069573A1 (en) * | 2011-11-08 | 2013-05-16 | 株式会社フジコー | Curved surface weld overlay method and lance manufacturing method employing same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0745558Y2 (en) | 1995-10-18 |
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