JPH029645B2 - - Google Patents
Info
- Publication number
- JPH029645B2 JPH029645B2 JP7352985A JP7352985A JPH029645B2 JP H029645 B2 JPH029645 B2 JP H029645B2 JP 7352985 A JP7352985 A JP 7352985A JP 7352985 A JP7352985 A JP 7352985A JP H029645 B2 JPH029645 B2 JP H029645B2
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- ladle
- blowing
- oxidizing
- heating
- 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 57
- 239000010959 steel Substances 0.000 claims description 57
- 238000007664 blowing Methods 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 23
- 239000002253 acid Substances 0.000 claims description 19
- 230000001590 oxidative effect Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 239000000376 reactant Substances 0.000 claims description 17
- 238000007654 immersion Methods 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 12
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
- 229910052760 oxygen Inorganic materials 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 14
- 238000007254 oxidation reaction Methods 0.000 description 13
- 239000002893 slag Substances 0.000 description 12
- 230000003647 oxidation Effects 0.000 description 11
- 238000009749 continuous casting Methods 0.000 description 5
- 239000011819 refractory material Substances 0.000 description 5
- 238000009628 steelmaking Methods 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000655 Killed steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (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 |
|---|---|---|---|
| JP7352985A JPS61235506A (ja) | 1985-04-09 | 1985-04-09 | 取鍋内溶鋼の昇熱法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7352985A JPS61235506A (ja) | 1985-04-09 | 1985-04-09 | 取鍋内溶鋼の昇熱法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61235506A JPS61235506A (ja) | 1986-10-20 |
| JPH029645B2 true JPH029645B2 (ko) | 1990-03-02 |
Family
ID=13520851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7352985A Granted JPS61235506A (ja) | 1985-04-09 | 1985-04-09 | 取鍋内溶鋼の昇熱法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61235506A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008105051A (ja) * | 2006-10-25 | 2008-05-08 | Shinagawa Refract Co Ltd | 発熱材 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6456816A (en) * | 1987-08-27 | 1989-03-03 | Sumitomo Metal Ind | Heating method for molten steel in ladle |
| JPH07103415B2 (ja) * | 1990-05-29 | 1995-11-08 | 新日本製鐵株式会社 | 取鍋内溶鋼の吹酸昇熱方法 |
| GB0010393D0 (en) * | 2000-04-28 | 2000-06-14 | Qual Chem Limited | Steel making |
| JP5119528B2 (ja) * | 2007-08-09 | 2013-01-16 | 新日鐵住金株式会社 | 鍋内の溶鋼温度制御方法 |
-
1985
- 1985-04-09 JP JP7352985A patent/JPS61235506A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008105051A (ja) * | 2006-10-25 | 2008-05-08 | Shinagawa Refract Co Ltd | 発熱材 |
| JP4684981B2 (ja) * | 2006-10-25 | 2011-05-18 | 品川リフラクトリーズ株式会社 | 発熱材 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61235506A (ja) | 1986-10-20 |
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