JPS6389955U - - Google Patents
Info
- Publication number
- JPS6389955U JPS6389955U JP18367186U JP18367186U JPS6389955U JP S6389955 U JPS6389955 U JP S6389955U JP 18367186 U JP18367186 U JP 18367186U JP 18367186 U JP18367186 U JP 18367186U JP S6389955 U JPS6389955 U JP S6389955U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- group
- refining
- tuyere
- guide holes
- 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
- 239000007789 gas Substances 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 239000000112 cooling gas Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 3
- 238000007599 discharging Methods 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Description
第１図、第２図はこの考案にかかる精錬用底吹
き羽口の実施例を示す縦・横の各断面図、第３図
ａ，ｂは、２重管羽口の冷却ガスの効果を調査す
るために用いた従来の羽口と比較用の羽口との各
断面図、第４図は、別の比較羽口の断面図、第５
図は、精錬用ガス底吹き羽口を備えた製鋼炉の断
面図、第６図は、吹錬終了時の炭素濃度とりん濃
度の関係を示す比較グラフである。
１……精錬ガス吐出用導管、２……補助ガス吐
出用導管、３……耐火物（本体）、４……精錬ガ
ス供給ヘツダー、５……補助ガス供給ヘツダー。
Figures 1 and 2 are vertical and horizontal sectional views showing an embodiment of the bottom-blowing tuyere for refining according to this invention, and Figures 3a and b show the effect of the cooling gas of the double-pipe tuyere. Each cross-sectional view of the conventional tuyere used for the investigation and the comparative tuyere, Fig. 4, is a cross-sectional view of another comparative tuyere, Fig. 5
The figure is a sectional view of a steelmaking furnace equipped with a refining gas bottom blowing tuyere, and FIG. 6 is a comparison graph showing the relationship between carbon concentration and phosphorus concentration at the end of blowing. 1... Refined gas discharge conduit, 2... Auxiliary gas discharge conduit, 3... Refractory (main body), 4... Refined gas supply header, 5... Auxiliary gas supply header.
Claims (1)
むための羽口であつて、複数の金属製パイプを耐
火物中に埋め込んでなり、かつその金属製パイプ
のうちの一群は精錬ガス吐出用導孔群であり、ま
た残る一群は冷却ガスや保護ガスの如き補助ガス
吐出用導孔群として構成されたものである精錬用
底吹き羽口。 A tuyere for injecting refining gas, etc. into the molten metal below the surface of the bath in the furnace, consisting of a plurality of metal pipes embedded in a refractory, and one group of the metal pipes is for discharging the refining gas. The bottom blowing tuyere for refining is a group of guide holes, and the remaining group is a group of guide holes for discharging auxiliary gas such as cooling gas and protective gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18367186U JPS6389955U (en) | 1986-12-01 | 1986-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18367186U JPS6389955U (en) | 1986-12-01 | 1986-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6389955U true JPS6389955U (en) | 1988-06-10 |
Family
ID=31130623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18367186U Pending JPS6389955U (en) | 1986-12-01 | 1986-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6389955U (en) |
-
1986
- 1986-12-01 JP JP18367186U patent/JPS6389955U/ja active Pending
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