KR102483106B1 - 효율이 높은 용해철 합금의 정련 방법 - Google Patents

효율이 높은 용해철 합금의 정련 방법 Download PDF

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Publication number
KR102483106B1
KR102483106B1 KR1020217029972A KR20217029972A KR102483106B1 KR 102483106 B1 KR102483106 B1 KR 102483106B1 KR 1020217029972 A KR1020217029972 A KR 1020217029972A KR 20217029972 A KR20217029972 A KR 20217029972A KR 102483106 B1 KR102483106 B1 KR 102483106B1
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KR
South Korea
Prior art keywords
slag
molten iron
iron alloy
refining
current
Prior art date
Application number
KR1020217029972A
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English (en)
Korean (ko)
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KR20210127986A (ko
Inventor
나오토 사사키
미치타카 마츠오
겐이치로 나이토
소이치 니이노
고지 모리타
다케히코 도
마사미츠 와코
가즈오 오누키
히로시 히라타
에스. 아이. 세미킨
브이. 에프. 폴야코프
Original Assignee
닛폰세이테츠 가부시키가이샤
제트. 아이. 네크라소프 아이언 앤드 스틸 인스티튜트 오브 더 내셔널 아카데미 오브 사이언시스 오브 우크라이나
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Application filed by 닛폰세이테츠 가부시키가이샤, 제트. 아이. 네크라소프 아이언 앤드 스틸 인스티튜트 오브 더 내셔널 아카데미 오브 사이언시스 오브 우크라이나 filed Critical 닛폰세이테츠 가부시키가이샤
Publication of KR20210127986A publication Critical patent/KR20210127986A/ko
Application granted granted Critical
Publication of KR102483106B1 publication Critical patent/KR102483106B1/ko

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    • 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

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  • 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)
KR1020217029972A 2019-04-11 2019-04-11 효율이 높은 용해철 합금의 정련 방법 KR102483106B1 (ko)

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
KR20210127986A KR20210127986A (ko) 2021-10-25
KR102483106B1 true KR102483106B1 (ko) 2023-01-02

Family

ID=72751161

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217029972A KR102483106B1 (ko) 2019-04-11 2019-04-11 효율이 높은 용해철 합금의 정련 방법

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)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117409Y2 (fr) * 1978-12-27 1986-05-28
JPH0791574B2 (ja) * 1992-09-29 1995-10-04 川崎重工業株式会社 溶融精錬炉の原料投入方法および装置
ATA121393A (de) * 1993-06-21 1998-07-15 Voest Alpine Ind Anlagen Konverter und verfahren zur herstellung von stahl
JPH09227918A (ja) * 1996-02-20 1997-09-02 Nippon Steel Corp ステンレス鋼溶製方法
JP3717625B2 (ja) * 1997-02-05 2005-11-16 日新製鋼株式会社 電気アーク炉スラグの還元方法
JP3332010B2 (ja) * 1998-06-18 2002-10-07 日本鋼管株式会社 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
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
KR101430377B1 (ko) * 2011-02-10 2014-08-13 신닛테츠스미킨 카부시키카이샤 용선의 탈규 탈인 동일 처리 방법
JP5720497B2 (ja) * 2011-08-25 2015-05-20 Ｊｆｅスチール株式会社 製鋼スラグからの鉄及び燐の回収方法
CN103408013B (zh) * 2013-08-03 2015-06-24 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
JP6164151B2 (ja) * 2014-05-14 2017-07-19 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
JP6413710B2 (ja) * 2014-12-02 2018-10-31 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
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
CN109097522B (zh) * 2018-09-30 2020-04-10 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
JPWO2020208768A1 (fr) 2020-10-15
CN113631729A (zh) 2021-11-09
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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