JPWO2021200496A1 - - Google Patents

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Publication number
JPWO2021200496A1
JPWO2021200496A1 JP2021547252A JP2021547252A JPWO2021200496A1 JP WO2021200496 A1 JPWO2021200496 A1 JP WO2021200496A1 JP 2021547252 A JP2021547252 A JP 2021547252A JP 2021547252 A JP2021547252 A JP 2021547252A JP WO2021200496 A1 JPWO2021200496 A1 JP WO2021200496A1
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
JP2021547252A
Other versions
JP6966029B1 (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 JPWO2021200496A1 publication Critical patent/JPWO2021200496A1/ja
Application granted granted Critical
Publication of JP6966029B1 publication Critical patent/JP6966029B1/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C21C7/068—Decarburising
    • 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
    • C21C7/0068—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by introducing material into a current of streaming metal
    • 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
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • 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
    • C21C7/10—Handling in a vacuum
    • 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
    • C21C2005/5288—Measuring or sampling devices
    • 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
    • C21C2300/06—Modeling of the process, e.g. for control purposes; CII
    • 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
    • C21C5/4673—Measuring and sampling devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Multimedia (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
JP2021547252A 2020-04-01 2021-03-24 減圧下における溶鋼の脱炭精錬方法 Active JP6966029B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020065529 2020-04-01
JP2020065529 2020-04-01
PCT/JP2021/012330 WO2021200496A1 (ja) 2020-04-01 2021-03-24 減圧下における溶鋼の脱炭精錬方法

Publications (2)

Publication Number Publication Date
JPWO2021200496A1 true JPWO2021200496A1 (ja) 2021-10-07
JP6966029B1 JP6966029B1 (ja) 2021-11-10

Family

ID=77928741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021547252A Active JP6966029B1 (ja) 2020-04-01 2021-03-24 減圧下における溶鋼の脱炭精錬方法

Country Status (8)

Country Link
US (1) US20230142051A1 (ja)
EP (1) EP4095269B1 (ja)
JP (1) JP6966029B1 (ja)
KR (1) KR20220140842A (ja)
CN (1) CN115335537A (ja)
BR (1) BR112022018908A2 (ja)
TW (1) TWI778563B (ja)
WO (1) WO2021200496A1 (ja)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3231555B2 (ja) 1994-07-28 2001-11-26 新日本製鐵株式会社 真空脱ガス精錬方法
JP3616423B2 (ja) * 1995-03-20 2005-02-02 日新製鋼株式会社 極低炭素ステンレス鋼の真空精錬方法
JP3415997B2 (ja) * 1996-07-08 2003-06-09 新日本製鐵株式会社 溶融の真空脱炭処理ガイダンス方法
JP3965008B2 (ja) 1999-11-15 2007-08-22 新日本製鐵株式会社 溶鋼の真空脱炭推定方法
TWI515301B (zh) * 2012-03-08 2016-01-01 杰富意鋼鐵股份有限公司 使用真空除氣系統製造超低碳鋼的方法
KR101529454B1 (ko) * 2012-03-15 2015-06-16 제이에프이 스틸 가부시키가이샤 용강의 진공 정련 방법
CN103194574B (zh) * 2012-12-17 2014-06-11 西安电子科技大学 一种vod精炼终点碳含量预报模型的动态调整方法
CN104419799A (zh) * 2013-09-05 2015-03-18 鞍钢股份有限公司 一种转炉冶炼在线预测高碳钢碳含量方法
KR101570582B1 (ko) * 2013-12-23 2015-11-19 주식회사 포스코 크롬 함유 용강의 진공정련 장치 및 이를 이용한 진공정련방법
CN105087857A (zh) * 2014-05-09 2015-11-25 镇江忆诺唯记忆合金有限公司 一种酸性电弧炉冶炼控制脱碳速度降低钢液氧含量的方法
JP6540773B2 (ja) * 2016-11-11 2019-07-10 Ｊｆｅスチール株式会社 真空脱ガス方法及び真空脱ガス装置

Also Published As

Publication number Publication date
US20230142051A1 (en) 2023-05-11
BR112022018908A2 (pt) 2022-11-08
EP4095269A4 (en) 2023-08-02
EP4095269B1 (en) 2024-07-03
KR20220140842A (ko) 2022-10-18
EP4095269A1 (en) 2022-11-30
CN115335537A (zh) 2022-11-11
TW202146668A (zh) 2021-12-16
TWI778563B (zh) 2022-09-21
JP6966029B1 (ja) 2021-11-10
WO2021200496A1 (ja) 2021-10-07

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