KR102283576B1 - 기계 교반식 탈황 시스템 - Google Patents

기계 교반식 탈황 시스템 Download PDF

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Publication number
KR102283576B1
KR102283576B1 KR1020217011621A KR20217011621A KR102283576B1 KR 102283576 B1 KR102283576 B1 KR 102283576B1 KR 1020217011621 A KR1020217011621 A KR 1020217011621A KR 20217011621 A KR20217011621 A KR 20217011621A KR 102283576 B1 KR102283576 B1 KR 102283576B1
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KR
South Korea
Prior art keywords
molten iron
lance
desulfurization
pot
iron pot
Prior art date
Application number
KR1020217011621A
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English (en)
Korean (ko)
Inventor
타카노부 하마다
마사카츠 요시자와
요시아키 야스이
Original Assignee
다이아몬드 엔지니어링 씨오., 엘티디.
Priority date (The priority date 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 date listed.)
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Application filed by 다이아몬드 엔지니어링 씨오., 엘티디. filed Critical 다이아몬드 엔지니어링 씨오., 엘티디.
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Publication of KR102283576B1 publication Critical patent/KR102283576B1/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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
    • C22B9/103—Methods of introduction of solid or liquid refining or fluxing agents
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
KR1020217011621A 2020-05-29 2020-07-29 기계 교반식 탈황 시스템 KR102283576B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020095069A JP6726437B1 (ja) 2020-05-29 2020-05-29 機械攪拌式脱硫システム
JPJP-P-2020-095069 2020-05-29
PCT/JP2020/029133 WO2021070455A1 (fr) 2020-05-29 2020-07-29 Système de désulfuration de type à agitation mécanique

Publications (1)

Publication Number Publication Date
KR102283576B1 true KR102283576B1 (ko) 2021-07-29

Family

ID=71663909

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217011621A KR102283576B1 (ko) 2020-05-29 2020-07-29 기계 교반식 탈황 시스템

Country Status (5)

Country Link
JP (1) JP6726437B1 (fr)
KR (1) KR102283576B1 (fr)
CN (1) CN114096686A (fr)
TW (1) TWI747779B (fr)
WO (1) WO2021070455A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114593610B (zh) * 2022-03-04 2024-03-08 爵翔(上海)能源科技有限公司 喷枪及其位置调节方法、金属冶炼设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004301362A (ja) 2003-03-28 2004-10-28 Jfe Steel Kk 溶銑鍋脱硫設備における湯面レベル測定方法
JP2005179690A (ja) 2003-12-16 2005-07-07 Jfe Steel Kk 溶銑の脱硫方法
KR20120026623A (ko) * 2009-06-30 2012-03-19 제이에프이 스틸 가부시키가이샤 용선의 탈황 방법
KR20140002905A (ko) * 2012-06-28 2014-01-09 현대제철 주식회사 용선 탈황 제어장치 및 그 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6187809A (ja) * 1984-09-26 1986-05-06 Kobe Steel Ltd 金属溶湯の処理方法
JP5418248B2 (ja) * 2010-01-22 2014-02-19 Ｊｆｅスチール株式会社 溶銑の脱硫方法
JP5983059B2 (ja) * 2011-07-08 2016-08-31 Ｊｆｅスチール株式会社 脱硫装置用の粉状添加剤の添加装置及び添加方法
JP6187809B2 (ja) 2013-06-28 2017-08-30 株式会社ジェイテクト ステアリング装置
JP6416634B2 (ja) * 2015-01-19 2018-10-31 株式会社神戸製鋼所 溶銑鍋における脱珪および脱硫方法
CN104831013B (zh) * 2015-05-28 2017-08-25 中冶赛迪工程技术股份有限公司 吹气赶渣机构
JP6645370B2 (ja) * 2016-07-08 2020-02-14 日本製鉄株式会社 取鍋用ガス吹付け装置、及び、低窒素鋼の製造方法
JP6645374B2 (ja) * 2016-07-27 2020-02-14 日本製鉄株式会社 極低硫低窒素鋼の溶製方法
WO2018026066A1 (fr) * 2016-08-04 2018-02-08 주식회사 포스코 Appareil et procédé de traitement de métal fondu
JP2018024911A (ja) * 2016-08-09 2018-02-15 株式会社神戸製鋼所 溶銑予備処理における鍋内付着地金溶解方法
CN109790590B (zh) * 2017-02-15 2021-01-12 日本制铁株式会社 脱磷处理装置及使用了该装置的铁液的脱磷方法
CN108754071B (zh) * 2018-04-27 2020-11-10 中冶南方工程技术有限公司 机械搅拌法铁水脱硫系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004301362A (ja) 2003-03-28 2004-10-28 Jfe Steel Kk 溶銑鍋脱硫設備における湯面レベル測定方法
JP2005179690A (ja) 2003-12-16 2005-07-07 Jfe Steel Kk 溶銑の脱硫方法
KR20120026623A (ko) * 2009-06-30 2012-03-19 제이에프이 스틸 가부시키가이샤 용선의 탈황 방법
KR20140002905A (ko) * 2012-06-28 2014-01-09 현대제철 주식회사 용선 탈황 제어장치 및 그 방법

Also Published As

Publication number Publication date
TW202144591A (zh) 2021-12-01
CN114096686A (zh) 2022-02-25
JP2021188097A (ja) 2021-12-13
JP6726437B1 (ja) 2020-07-22
TWI747779B (zh) 2021-11-21
WO2021070455A1 (fr) 2021-04-15

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