JPWO2020208768A1 - - Google Patents
Info
- Publication number
- JPWO2020208768A1 JPWO2020208768A1 JP2021513108A JP2021513108A JPWO2020208768A1 JP WO2020208768 A1 JPWO2020208768 A1 JP WO2020208768A1 JP 2021513108 A JP2021513108 A JP 2021513108A JP 2021513108 A JP2021513108 A JP 2021513108A JP WO2020208768 A1 JPWO2020208768 A1 JP WO2020208768A1
- Authority
- JP
- Japan
- 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
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
- C21C5/36—Processes yielding slags of special composition
-
- 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
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/54—Processes yielding slags of special composition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
-
- 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
- C21C2250/00—Specific additives; Means for adding material different from burners or lances
- C21C2250/06—Hollow electrode
-
- 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
- C21C2300/00—Process aspects
- C21C2300/08—Particular sequence of the process steps
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/015737 WO2020208768A1 (fr) | 2019-04-11 | 2019-04-11 | Procédé de raffinage d'alliage de fer fondu hautement efficace |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020208768A1 true JPWO2020208768A1 (fr) | 2020-10-15 |
JP7158570B2 JP7158570B2 (ja) | 2022-10-21 |
Family
ID=72751161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021513108A Active JP7158570B2 (ja) | 2019-04-11 | 2019-04-11 | 効率の高い溶融鉄合金の精錬方法 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3954787A4 (fr) |
JP (1) | JP7158570B2 (fr) |
KR (1) | KR102483106B1 (fr) |
CN (1) | CN113631729B (fr) |
UA (1) | UA128009C2 (fr) |
WO (1) | WO2020208768A1 (fr) |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06108133A (ja) * | 1992-09-29 | 1994-04-19 | Kawasaki Heavy Ind Ltd | 溶融精錬炉の原料投入方法および装置 |
JPH073323A (ja) * | 1993-06-21 | 1995-01-06 | Voest Alpine Ind Anlagen Gmbh | 鋼の生産のための転炉 |
JPH09227918A (ja) * | 1996-02-20 | 1997-09-02 | Nippon Steel Corp | ステンレス鋼溶製方法 |
JPH10219333A (ja) * | 1997-02-05 | 1998-08-18 | Nisshin Steel Co Ltd | 電気アーク炉スラグの還元方法 |
JP2000073111A (ja) * | 1998-06-18 | 2000-03-07 | Nkk Corp | 低燐溶銑の製造方法 |
JP2002371311A (ja) * | 2001-04-13 | 2002-12-26 | Osaka Koukai Kk | 溶湯の脱燐法とそれに用いられる低温滓化性脱燐剤およびその製造法 |
WO2012108529A1 (fr) * | 2011-02-10 | 2012-08-16 | 新日本製鐵株式会社 | Procédé de désiliconisation et de déphosphorisation d'un métal chaud |
JP2013044029A (ja) * | 2011-08-25 | 2013-03-04 | Jfe Steel Corp | 製鋼スラグからの鉄及び燐の回収方法 |
CN103408013A (zh) * | 2013-08-03 | 2013-11-27 | 石家庄新华能源环保科技股份有限公司 | 一种氧电结合电石炉 |
JP2015218338A (ja) * | 2014-05-14 | 2015-12-07 | Jfeスチール株式会社 | 転炉型精錬炉による溶鉄の精錬方法 |
JP2016108575A (ja) * | 2014-12-02 | 2016-06-20 | 新日鐵住金株式会社 | 直流アーク式電気炉による高純度鋼の製造方法 |
CN109097522A (zh) * | 2018-09-30 | 2018-12-28 | 武钢集团昆明钢铁股份有限公司 | 一种中高锰高磷低硅铁水提高终点钢水残锰的转炉冶炼方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6117409Y2 (fr) * | 1978-12-27 | 1986-05-28 | ||
JP4388482B2 (ja) | 2005-01-18 | 2009-12-24 | 新日本製鐵株式会社 | スラグの処理方法 |
CN101165196B (zh) * | 2006-10-19 | 2010-12-08 | 中国恩菲工程技术有限公司 | 一种采用氧气底吹炉连续炼铜的工艺及其装置 |
JP2008266669A (ja) * | 2007-04-16 | 2008-11-06 | Jfe Steel Kk | 竪型炉内の溶融物レベル計測方法及び計測装置 |
EP3557170A4 (fr) * | 2016-12-16 | 2020-05-13 | Nippon Steel Corporation | Four électrique |
CN109097651B (zh) * | 2018-08-09 | 2019-06-28 | 徐州宏阳新材料科技有限公司 | 一种低磷高碳铬铁及其冶炼方法 |
-
2019
- 2019-04-11 KR KR1020217029972A patent/KR102483106B1/ko active IP Right Grant
- 2019-04-11 EP EP19924226.4A patent/EP3954787A4/fr active Pending
- 2019-04-11 UA UAA202105664A patent/UA128009C2/uk unknown
- 2019-04-11 JP JP2021513108A patent/JP7158570B2/ja active Active
- 2019-04-11 CN CN201980094720.XA patent/CN113631729B/zh active Active
- 2019-04-11 WO PCT/JP2019/015737 patent/WO2020208768A1/fr unknown
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06108133A (ja) * | 1992-09-29 | 1994-04-19 | Kawasaki Heavy Ind Ltd | 溶融精錬炉の原料投入方法および装置 |
JPH073323A (ja) * | 1993-06-21 | 1995-01-06 | Voest Alpine Ind Anlagen Gmbh | 鋼の生産のための転炉 |
JPH09227918A (ja) * | 1996-02-20 | 1997-09-02 | Nippon Steel Corp | ステンレス鋼溶製方法 |
JPH10219333A (ja) * | 1997-02-05 | 1998-08-18 | Nisshin Steel Co Ltd | 電気アーク炉スラグの還元方法 |
JP2000073111A (ja) * | 1998-06-18 | 2000-03-07 | Nkk Corp | 低燐溶銑の製造方法 |
JP2002371311A (ja) * | 2001-04-13 | 2002-12-26 | Osaka Koukai Kk | 溶湯の脱燐法とそれに用いられる低温滓化性脱燐剤およびその製造法 |
WO2012108529A1 (fr) * | 2011-02-10 | 2012-08-16 | 新日本製鐵株式会社 | Procédé de désiliconisation et de déphosphorisation d'un métal chaud |
JP2013044029A (ja) * | 2011-08-25 | 2013-03-04 | Jfe Steel Corp | 製鋼スラグからの鉄及び燐の回収方法 |
CN103408013A (zh) * | 2013-08-03 | 2013-11-27 | 石家庄新华能源环保科技股份有限公司 | 一种氧电结合电石炉 |
JP2015218338A (ja) * | 2014-05-14 | 2015-12-07 | Jfeスチール株式会社 | 転炉型精錬炉による溶鉄の精錬方法 |
JP2016108575A (ja) * | 2014-12-02 | 2016-06-20 | 新日鐵住金株式会社 | 直流アーク式電気炉による高純度鋼の製造方法 |
CN109097522A (zh) * | 2018-09-30 | 2018-12-28 | 武钢集团昆明钢铁股份有限公司 | 一种中高锰高磷低硅铁水提高终点钢水残锰的转炉冶炼方法 |
Also Published As
Publication number | Publication date |
---|---|
CN113631729A (zh) | 2021-11-09 |
KR102483106B1 (ko) | 2023-01-02 |
JP7158570B2 (ja) | 2022-10-21 |
EP3954787A4 (fr) | 2022-11-30 |
CN113631729B (zh) | 2022-09-20 |
WO2020208768A1 (fr) | 2020-10-15 |
EP3954787A1 (fr) | 2022-02-16 |
UA128009C2 (uk) | 2024-03-06 |
KR20210127986A (ko) | 2021-10-25 |
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