JPS6176608A - 製鋼用転炉の羽口の保護方法 - Google Patents
製鋼用転炉の羽口の保護方法Info
- Publication number
- JPS6176608A JPS6176608A JP19654284A JP19654284A JPS6176608A JP S6176608 A JPS6176608 A JP S6176608A JP 19654284 A JP19654284 A JP 19654284A JP 19654284 A JP19654284 A JP 19654284A JP S6176608 A JPS6176608 A JP S6176608A
- Authority
- JP
- Japan
- Prior art keywords
- tuyere
- converter
- blowing
- gas
- molten iron
- 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
- 238000009628 steelmaking Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 11
- 238000007664 blowing Methods 0.000 claims abstract description 62
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910052742 iron Inorganic materials 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 230000007423 decrease Effects 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 30
- 239000011261 inert gas Substances 0.000 abstract description 17
- 239000011819 refractory material Substances 0.000 abstract description 9
- 230000003628 erosive effect Effects 0.000 abstract description 6
- 238000007670 refining Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- -1 N2 or RO Chemical compound 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000001028 reflection method Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19654284A JPS6176608A (ja) | 1984-09-21 | 1984-09-21 | 製鋼用転炉の羽口の保護方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19654284A JPS6176608A (ja) | 1984-09-21 | 1984-09-21 | 製鋼用転炉の羽口の保護方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6176608A true JPS6176608A (ja) | 1986-04-19 |
| JPS6224489B2 JPS6224489B2 (enrdf_load_stackoverflow) | 1987-05-28 |
Family
ID=16359469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19654284A Granted JPS6176608A (ja) | 1984-09-21 | 1984-09-21 | 製鋼用転炉の羽口の保護方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6176608A (enrdf_load_stackoverflow) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420443A (en) * | 1977-07-15 | 1979-02-15 | Matsushita Electric Ind Co Ltd | High frequency heating device |
| JPS55158208A (en) * | 1979-05-24 | 1980-12-09 | Sumitomo Metal Ind Ltd | Refining method of steel |
-
1984
- 1984-09-21 JP JP19654284A patent/JPS6176608A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420443A (en) * | 1977-07-15 | 1979-02-15 | Matsushita Electric Ind Co Ltd | High frequency heating device |
| JPS55158208A (en) * | 1979-05-24 | 1980-12-09 | Sumitomo Metal Ind Ltd | Refining method of steel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6224489B2 (enrdf_load_stackoverflow) | 1987-05-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |