JPS6436717A - Method for preventing flowing-out of slag in converter - Google Patents
Method for preventing flowing-out of slag in converterInfo
- Publication number
- JPS6436717A JPS6436717A JP19213687A JP19213687A JPS6436717A JP S6436717 A JPS6436717 A JP S6436717A JP 19213687 A JP19213687 A JP 19213687A JP 19213687 A JP19213687 A JP 19213687A JP S6436717 A JPS6436717 A JP S6436717A
- Authority
- JP
- Japan
- Prior art keywords
- slag
- cao
- sio2
- time
- converter
- 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
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
PURPOSE:To remarkably reduce flow-out quantity of slag into a ladle and to improve yield of an alloy by adding CaO in a furnace at the end period of blowing at the time of refining molten iron in the converter and adjusting the slag composition at the steel tapping to the specific condition. CONSTITUTION:At the time of refining molten iron with slag, in which CaO-FeO- SiO2-MnO-MgO contains as main composition, the CaO, etc., is added at the end period of blowing to increase CaO/SiO2 ratio in the slag, and also T.Fe is diluted. Then, in case MgO in the slag in the furnace contains <=10%, T.Fe and the CaO/SiO2 ratio are adjusted so as to come to the composition range of the inequality I at the time of CaO/SiO2<=5 and the inequality II at the time of CaO/SiO2>5. By this method, the slag is solidified as bedrock and the converter slag can do so as not to flow-out in the ladle at the steel tapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19213687A JPS6436717A (en) | 1987-07-31 | 1987-07-31 | Method for preventing flowing-out of slag in converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19213687A JPS6436717A (en) | 1987-07-31 | 1987-07-31 | Method for preventing flowing-out of slag in converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6436717A true JPS6436717A (en) | 1989-02-07 |
| JPH0480088B2 JPH0480088B2 (en) | 1992-12-17 |
Family
ID=16286283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19213687A Granted JPS6436717A (en) | 1987-07-31 | 1987-07-31 | Method for preventing flowing-out of slag in converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6436717A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02213408A (en) * | 1989-02-15 | 1990-08-24 | Nisshin Steel Co Ltd | Method for preventing flowing-out of converter slag for stainless steel |
| WO2012132789A1 (en) | 2011-03-31 | 2012-10-04 | 日新製鋼株式会社 | Method for manufacturing stainless steel |
| US11060195B2 (en) | 2012-08-14 | 2021-07-13 | Loop Energy Inc. | Reactant flow channels for electrolyzer applications |
-
1987
- 1987-07-31 JP JP19213687A patent/JPS6436717A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02213408A (en) * | 1989-02-15 | 1990-08-24 | Nisshin Steel Co Ltd | Method for preventing flowing-out of converter slag for stainless steel |
| WO2012132789A1 (en) | 2011-03-31 | 2012-10-04 | 日新製鋼株式会社 | Method for manufacturing stainless steel |
| CN103476953A (en) * | 2011-03-31 | 2013-12-25 | 日新制钢株式会社 | Method for manufacturing stainless steel |
| US11060195B2 (en) | 2012-08-14 | 2021-07-13 | Loop Energy Inc. | Reactant flow channels for electrolyzer applications |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0480088B2 (en) | 1992-12-17 |
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