JPS613817A - 製鋼容器内の溶鉄中への気体吹込み方法 - Google Patents
製鋼容器内の溶鉄中への気体吹込み方法Info
- Publication number
- JPS613817A JPS613817A JP12495384A JP12495384A JPS613817A JP S613817 A JPS613817 A JP S613817A JP 12495384 A JP12495384 A JP 12495384A JP 12495384 A JP12495384 A JP 12495384A JP S613817 A JPS613817 A JP S613817A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- tuyere
- blowing
- molten iron
- pipes
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000007664 blowing Methods 0.000 title claims abstract description 52
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 23
- 238000009628 steelmaking Methods 0.000 title claims description 14
- 239000002184 metal Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 abstract description 67
- 239000011261 inert gas Substances 0.000 abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 10
- 239000010935 stainless steel Substances 0.000 abstract description 10
- 239000011449 brick Substances 0.000 abstract description 9
- 230000003628 erosive effect Effects 0.000 abstract description 9
- 238000006477 desulfuration reaction Methods 0.000 abstract description 3
- 230000023556 desulfurization Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- -1 3i is 0.12 to 0.40% Inorganic materials 0.000 description 1
- 241000257465 Echinoidea Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241000862969 Stella Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
- B22D1/002—Treatment with gases
- B22D1/005—Injection assemblies therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12495384A JPS613817A (ja) | 1984-06-18 | 1984-06-18 | 製鋼容器内の溶鉄中への気体吹込み方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12495384A JPS613817A (ja) | 1984-06-18 | 1984-06-18 | 製鋼容器内の溶鉄中への気体吹込み方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS613817A true JPS613817A (ja) | 1986-01-09 |
| JPH0440407B2 JPH0440407B2 (enrdf_load_stackoverflow) | 1992-07-02 |
Family
ID=14898296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12495384A Granted JPS613817A (ja) | 1984-06-18 | 1984-06-18 | 製鋼容器内の溶鉄中への気体吹込み方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS613817A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59153818A (ja) * | 1983-02-21 | 1984-09-01 | Nippon Steel Corp | 上底吹転炉精錬法 |
-
1984
- 1984-06-18 JP JP12495384A patent/JPS613817A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59153818A (ja) * | 1983-02-21 | 1984-09-01 | Nippon Steel Corp | 上底吹転炉精錬法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0440407B2 (enrdf_load_stackoverflow) | 1992-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |