JPS6151604B2 - - Google Patents
Info
- Publication number
- JPS6151604B2 JPS6151604B2 JP17226280A JP17226280A JPS6151604B2 JP S6151604 B2 JPS6151604 B2 JP S6151604B2 JP 17226280 A JP17226280 A JP 17226280A JP 17226280 A JP17226280 A JP 17226280A JP S6151604 B2 JPS6151604 B2 JP S6151604B2
- Authority
- JP
- Japan
- Prior art keywords
- decarburization
- blowing
- bath
- lance
- height
- 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
- 238000005261 decarburization Methods 0.000 claims description 27
- 238000007664 blowing Methods 0.000 claims description 19
- 238000007670 refining Methods 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000002893 slag Substances 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009991 scouring Methods 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17226280A JPS5798618A (en) | 1980-12-06 | 1980-12-06 | Decarbulizing refining method for molten pig iron that enlarges reserve heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17226280A JPS5798618A (en) | 1980-12-06 | 1980-12-06 | Decarbulizing refining method for molten pig iron that enlarges reserve heat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5798618A JPS5798618A (en) | 1982-06-18 |
| JPS6151604B2 true JPS6151604B2 (hu) | 1986-11-10 |
Family
ID=15938630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17226280A Granted JPS5798618A (en) | 1980-12-06 | 1980-12-06 | Decarbulizing refining method for molten pig iron that enlarges reserve heat |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5798618A (hu) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH062923B2 (ja) * | 1984-07-16 | 1994-01-12 | 新日本製鐵株式会社 | 溶融還元による低りん高マンガン鉄合金の製造方法 |
| JPH062922B2 (ja) * | 1984-06-18 | 1994-01-12 | 新日本製鐵株式会社 | 炭素不飽和高マンガン鉄合金の製造方法 |
-
1980
- 1980-12-06 JP JP17226280A patent/JPS5798618A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5798618A (en) | 1982-06-18 |
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