JPS61199551U - - Google Patents
Info
- Publication number
- JPS61199551U JPS61199551U JP8231885U JP8231885U JPS61199551U JP S61199551 U JPS61199551 U JP S61199551U JP 8231885 U JP8231885 U JP 8231885U JP 8231885 U JP8231885 U JP 8231885U JP S61199551 U JPS61199551 U JP S61199551U
- Authority
- JP
- Japan
- Prior art keywords
- lance
- injection lance
- injection
- tip
- blast furnace
- 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 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 239000000919 ceramic Substances 0.000 claims 1
- 239000008187 granular material Substances 0.000 claims 1
- 238000007664 blowing Methods 0.000 description 3
Description
第１図は本考案に係わる一実施例の要部断面図
、第２，３図は第１図における吹込みランス先端
部の部分拡大断面図、第４図は、従来例の要部断
面図、第５図は第４図における先端部１ａの部分
拡大断面図、第６図、第７図はその他の従来例の
要部断面図である。
１，２０…吹込みランス、２，２７…ブローパ
イプ、４，２９…高炉、２１…吹込みランス本体
、２２…ランスチツプ、２３…鋼部材であるチツ
プホルダ。
Fig. 1 is a sectional view of the main part of an embodiment of the present invention, Figs. 2 and 3 are partially enlarged sectional views of the tip of the blowing lance in Fig. 1, and Fig. 4 is a sectional view of the main part of the conventional example. , FIG. 5 is a partially enlarged cross-sectional view of the distal end portion 1a in FIG. 4, and FIGS. 6 and 7 are cross-sectional views of main parts of other conventional examples. DESCRIPTION OF SYMBOLS 1, 20... Blowing lance, 2, 27... Blow pipe, 4, 29... Blast furnace, 21... Blowing lance main body, 22... Lance tip, 23... Chip holder which is a steel member.
Claims (1)
において、該吹込みランスのランス本体に、低熱
膨張係数を有する鋼部材を介して、セラミツク製
のランスチツプを固着したことを特徴とする高炉
への粉粒体吹込みランス。 An injection lance protruding into the blow pipe of a blast furnace, characterized in that a ceramic lance tip is fixed to the lance body of the injection lance via a steel member having a low coefficient of thermal expansion. Granule injection lance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8231885U JPS61199551U (en) | 1985-05-31 | 1985-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8231885U JPS61199551U (en) | 1985-05-31 | 1985-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61199551U true JPS61199551U (en) | 1986-12-13 |
Family
ID=30629926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8231885U Pending JPS61199551U (en) | 1985-05-31 | 1985-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61199551U (en) |
-
1985
- 1985-05-31 JP JP8231885U patent/JPS61199551U/ja active Pending