JPWO2020208767A1 - - Google Patents

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Publication number
JPWO2020208767A1
JPWO2020208767A1 JP2021513107A JP2021513107A JPWO2020208767A1 JP WO2020208767 A1 JPWO2020208767 A1 JP WO2020208767A1 JP 2021513107 A JP2021513107 A JP 2021513107A JP 2021513107 A JP2021513107 A JP 2021513107A JP WO2020208767 A1 JPWO2020208767 A1 JP WO2020208767A1
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
Application number
JP2021513107A
Other versions
JP7150149B2 (ja
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.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2020208767A1 publication Critical patent/JPWO2020208767A1/ja
Application granted granted Critical
Publication of JP7150149B2 publication Critical patent/JP7150149B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/32Blowing from above
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/36Processes yielding slags of special composition
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5229Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5264Manufacture of alloyed steels including ferro-alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/54Processes yielding slags of special composition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00Handling or treating discharged material; Supports or receiving chambers therefor
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2250/00Specific additives; Means for adding material different from burners or lances
    • C21C2250/06Hollow electrode
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2300/00Process aspects
    • C21C2300/08Particular sequence of the process steps
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/48Bottoms or tuyéres of converters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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)
  • Furnace Details (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
JP2021513107A 2019-04-11 2019-04-11 転炉設備 Active JP7150149B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/015736 WO2020208767A1 (ja) 2019-04-11 2019-04-11 転炉設備

Publications (2)

Publication Number Publication Date
JPWO2020208767A1 true JPWO2020208767A1 (ja) 2020-10-15
JP7150149B2 JP7150149B2 (ja) 2022-10-07

Family

ID=72751157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021513107A Active JP7150149B2 (ja) 2019-04-11 2019-04-11 転炉設備

Country Status (5)

Country Link
EP (1) EP3954788B1 (ja)
JP (1) JP7150149B2 (ja)
KR (1) KR102638209B1 (ja)
CN (1) CN113677810A (ja)
WO (1) WO2020208767A1 (ja)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2002174413A (ja) * 2000-08-10 2002-06-21 Yamazaki Kinzoku Kk 有害物質除去加熱炉
JP2004144443A (ja) * 2002-10-28 2004-05-20 Mitsubishi Heavy Ind Ltd 直流電気式溶融炉の運転制御装置及びその方法
JP2009138964A (ja) * 2007-12-04 2009-06-25 Electric Power Dev Co Ltd 金属溶解保持炉およびその運転方法
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
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB223271A (en) * 1923-06-11 1924-10-11 Cobb Electro Reduction Corp Method of and apparatus for volatilizing and oxidizing minerals
DE4211164C2 (de) * 1992-03-31 1995-02-16 Mannesmann Ag Verfahren und Vorrichtung zum Behandeln von riesel- oder fließfähigem Material
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2002174413A (ja) * 2000-08-10 2002-06-21 Yamazaki Kinzoku Kk 有害物質除去加熱炉
JP2004144443A (ja) * 2002-10-28 2004-05-20 Mitsubishi Heavy Ind Ltd 直流電気式溶融炉の運転制御装置及びその方法
JP2009138964A (ja) * 2007-12-04 2009-06-25 Electric Power Dev Co Ltd 金属溶解保持炉およびその運転方法
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
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

Also Published As

Publication number Publication date
EP3954788A4 (en) 2022-11-23
KR20210129698A (ko) 2021-10-28
CN113677810A (zh) 2021-11-19
EP3954788B1 (en) 2024-01-10
KR102638209B1 (ko) 2024-02-21
WO2020208767A1 (ja) 2020-10-15
JP7150149B2 (ja) 2022-10-07
EP3954788C0 (en) 2024-01-10
EP3954788A1 (en) 2022-02-16

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