JPH0116585B2 - - Google Patents
Info
- Publication number
- JPH0116585B2 JPH0116585B2 JP24946484A JP24946484A JPH0116585B2 JP H0116585 B2 JPH0116585 B2 JP H0116585B2 JP 24946484 A JP24946484 A JP 24946484A JP 24946484 A JP24946484 A JP 24946484A JP H0116585 B2 JPH0116585 B2 JP H0116585B2
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- ladle
- gas
- lance
- blowing
- 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.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 61
- 239000010959 steel Substances 0.000 claims description 61
- 239000007789 gas Substances 0.000 claims description 38
- 230000001590 oxidative effect Effects 0.000 claims description 35
- 238000007664 blowing Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 22
- 239000011261 inert gas Substances 0.000 claims description 17
- 238000007670 refining Methods 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 10
- 239000000376 reactant Substances 0.000 claims description 9
- 238000007654 immersion Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 230000003647 oxidation Effects 0.000 description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 12
- 229910001882 dioxygen Inorganic materials 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 11
- 239000000203 mixture Substances 0.000 description 9
- 230000001965 increasing effect Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009749 continuous casting Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24946484A JPS61129264A (ja) | 1984-11-28 | 1984-11-28 | 簡易取鍋精錬法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24946484A JPS61129264A (ja) | 1984-11-28 | 1984-11-28 | 簡易取鍋精錬法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61129264A JPS61129264A (ja) | 1986-06-17 |
| JPH0116585B2 true JPH0116585B2 (de) | 1989-03-24 |
Family
ID=17193346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24946484A Granted JPS61129264A (ja) | 1984-11-28 | 1984-11-28 | 簡易取鍋精錬法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61129264A (de) |
-
1984
- 1984-11-28 JP JP24946484A patent/JPS61129264A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61129264A (ja) | 1986-06-17 |
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