JP2010163697A5 - - Google Patents
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- Publication number
- JP2010163697A5 JP2010163697A5 JP2010107097A JP2010107097A JP2010163697A5 JP 2010163697 A5 JP2010163697 A5 JP 2010163697A5 JP 2010107097 A JP2010107097 A JP 2010107097A JP 2010107097 A JP2010107097 A JP 2010107097A JP 2010163697 A5 JP2010163697 A5 JP 2010163697A5
- Authority
- JP
- Japan
- Prior art keywords
- hot metal
- desulfurization
- top blowing
- agent
- addition
- 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
- 239000002184 metal Substances 0.000 claims description 45
- 238000006477 desulfuration reaction Methods 0.000 claims description 44
- 230000023556 desulfurization Effects 0.000 claims description 44
- 239000003795 chemical substances by application Substances 0.000 claims description 34
- 238000007664 blowing Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 26
- 230000003009 desulfurizing effect Effects 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 10
- 239000012159 carrier gas Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000010907 mechanical stirring Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010107097A JP5177170B2 (ja) | 2010-05-07 | 2010-05-07 | 溶銑の脱硫方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010107097A JP5177170B2 (ja) | 2010-05-07 | 2010-05-07 | 溶銑の脱硫方法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003417385A Division JP4845078B2 (ja) | 2003-12-16 | 2003-12-16 | 溶銑の脱硫方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010163697A JP2010163697A (ja) | 2010-07-29 |
| JP2010163697A5 true JP2010163697A5 (enExample) | 2011-12-08 |
| JP5177170B2 JP5177170B2 (ja) | 2013-04-03 |
Family
ID=42580077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010107097A Expired - Lifetime JP5177170B2 (ja) | 2010-05-07 | 2010-05-07 | 溶銑の脱硫方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5177170B2 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10287644B2 (en) | 2011-08-12 | 2019-05-14 | Jfe Steel Corporation | Molten steel desulfurization method, molten steel secondary refining method, and molten steel manufacturing method |
| JP5177263B2 (ja) | 2011-08-12 | 2013-04-03 | Ｊｆｅスチール株式会社 | 溶銑の脱硫方法 |
| EP3327150B1 (en) * | 2015-07-24 | 2019-12-25 | JFE Steel Corporation | Desulfurizing agent, method for desulfurizing molten iron and method for producing molten iron |
| JP6369516B2 (ja) * | 2015-10-05 | 2018-08-08 | Ｊｆｅスチール株式会社 | 機械攪拌式溶銑脱硫方法 |
| JP6648711B2 (ja) * | 2017-02-07 | 2020-02-14 | Ｊｆｅスチール株式会社 | 溶銑の脱硫方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59157209A (ja) * | 1983-02-25 | 1984-09-06 | Sumitomo Metal Ind Ltd | 溶鉄の予備処理方法 |
| JP3608439B2 (ja) * | 1999-07-05 | 2005-01-12 | Ｊｆｅスチール株式会社 | 溶融鉄合金の脱硫方法 |
| JP2003119509A (ja) * | 2001-10-11 | 2003-04-23 | Nippon Steel Corp | 溶銑予備処理方法及びインペラー装置 |
| JP3978355B2 (ja) * | 2002-03-13 | 2007-09-19 | Ｊｆｅスチール株式会社 | 溶銑の脱硫剤および脱硫方法 |
-
2010
- 2010-05-07 JP JP2010107097A patent/JP5177170B2/ja not_active Expired - Lifetime
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