JPWO2022249798A5 - - Google Patents
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- Publication number
- JPWO2022249798A5 JPWO2022249798A5 JP2022545913A JP2022545913A JPWO2022249798A5 JP WO2022249798 A5 JPWO2022249798 A5 JP WO2022249798A5 JP 2022545913 A JP2022545913 A JP 2022545913A JP 2022545913 A JP2022545913 A JP 2022545913A JP WO2022249798 A5 JPWO2022249798 A5 JP WO2022249798A5
- Authority
- JP
- Japan
- Prior art keywords
- molten iron
- refining
- iron
- mass
- treatment
- 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
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 47
- 229910052742 iron Inorganic materials 0.000 claims 23
- 238000000034 method Methods 0.000 claims 9
- 238000007670 refining Methods 0.000 claims 9
- 238000011282 treatment Methods 0.000 claims 7
- 238000005261 decarburization Methods 0.000 claims 3
- 238000002844 melting Methods 0.000 claims 3
- 230000008018 melting Effects 0.000 claims 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 238000002203 pretreatment Methods 0.000 claims 2
- 238000009849 vacuum degassing Methods 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 238000007664 blowing Methods 0.000 claims 1
- 238000003763 carbonization Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021088031 | 2021-05-26 | ||
| JP2021088031 | 2021-05-26 | ||
| PCT/JP2022/018168 WO2022249798A1 (ja) | 2021-05-26 | 2022-04-19 | 溶鉄の精錬方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022249798A1 JPWO2022249798A1 (enrdf_load_stackoverflow) | 2022-12-01 |
| JPWO2022249798A5 true JPWO2022249798A5 (enrdf_load_stackoverflow) | 2023-05-02 |
| JP7384294B2 JP7384294B2 (ja) | 2023-11-21 |
Family
ID=84229902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022545913A Active JP7384294B2 (ja) | 2021-05-26 | 2022-04-19 | 溶鉄の精錬方法 |
Country Status (8)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102840642B1 (ko) * | 2023-10-04 | 2025-07-31 | 현대제철 주식회사 | 냉연강판 및 그 제조방법 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2007373B2 (de) * | 1970-02-18 | 1973-05-03 | Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg | Verfahren und konverter zum herstellen ferritischer chromstaehle |
| US3754894A (en) * | 1972-04-20 | 1973-08-28 | Joslyn Mfg & Supply Co | Nitrogen control in argon oxygen refining of molten metal |
| JPS58147509A (ja) * | 1982-02-26 | 1983-09-02 | Kawasaki Steel Corp | ステンレス鋼の溶製方法 |
| JPS5925916A (ja) * | 1982-08-02 | 1984-02-10 | Kawasaki Steel Corp | 含クロム合金銑の精錬方法 |
| JPS60194009A (ja) * | 1984-03-14 | 1985-10-02 | Kawasaki Steel Corp | ステンレス鋼の溶製方法 |
| JPS61223117A (ja) * | 1985-03-29 | 1986-10-03 | Kawasaki Steel Corp | 溶融スラグ内金属酸化物の還元回収方法 |
| JP3309395B2 (ja) * | 1990-12-25 | 2002-07-29 | 住友金属工業株式会社 | 転炉精錬方法 |
| JP2754983B2 (ja) * | 1991-09-26 | 1998-05-20 | 住友金属工業株式会社 | 転炉精錬方法 |
| JP3496529B2 (ja) | 1998-07-29 | 2004-02-16 | 住友金属工業株式会社 | Ｒｈ真空精錬方法 |
| JP3922181B2 (ja) | 2002-12-27 | 2007-05-30 | Ｊｆｅスチール株式会社 | 高清浄鋼の溶製方法 |
| JP5092245B2 (ja) | 2006-02-09 | 2012-12-05 | Ｊｆｅスチール株式会社 | 溶鋼の脱窒方法 |
| JP5428447B2 (ja) * | 2008-03-31 | 2014-02-26 | Ｊｆｅスチール株式会社 | Ｒｈ真空脱ガス装置における溶鋼の精錬方法 |
| JP5526565B2 (ja) * | 2009-03-09 | 2014-06-18 | Ｊｆｅスチール株式会社 | 転炉製鋼法 |
| JP5589688B2 (ja) * | 2009-09-10 | 2014-09-17 | Ｊｆｅスチール株式会社 | 溶銑の製造方法 |
| JP5910579B2 (ja) * | 2013-08-01 | 2016-04-27 | Ｊｆｅスチール株式会社 | 極低窒素純鉄の溶製方法 |
| CN109852766B (zh) * | 2018-12-05 | 2020-11-03 | 敬业钢铁有限公司 | 一种rh炉精炼氢氧控制工艺 |
| CN111270036A (zh) * | 2020-04-05 | 2020-06-12 | 上海泰普星坦新材料有限公司 | 一种氢能直接还原生产海绵铁的系统和工艺方法 |
-
2022
- 2022-04-19 WO PCT/JP2022/018168 patent/WO2022249798A1/ja active IP Right Grant
- 2022-04-19 CN CN202280037168.2A patent/CN117377781A/zh active Pending
- 2022-04-19 JP JP2022545913A patent/JP7384294B2/ja active Active
- 2022-04-19 KR KR1020237037654A patent/KR20230162108A/ko active Pending
- 2022-04-19 BR BR112023024464A patent/BR112023024464A2/pt unknown
- 2022-04-19 EP EP22811072.2A patent/EP4328330A4/en active Pending
- 2022-04-19 US US18/289,918 patent/US20240271233A1/en active Pending
- 2022-05-18 TW TW111118446A patent/TWI817507B/zh active
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