JP7036993B2 - 低炭素フェロマンガンの製造方法 - Google Patents

低炭素フェロマンガンの製造方法 Download PDF

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Publication number
JP7036993B2
JP7036993B2 JP2021520447A JP2021520447A JP7036993B2 JP 7036993 B2 JP7036993 B2 JP 7036993B2 JP 2021520447 A JP2021520447 A JP 2021520447A JP 2021520447 A JP2021520447 A JP 2021520447A JP 7036993 B2 JP7036993 B2 JP 7036993B2
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JP
Japan
Prior art keywords
molten metal
blown
blowing
slag
gas
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Active
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JP2021520447A
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English (en)
Japanese (ja)
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JPWO2021177021A1 (https=
Inventor
信彦 小田
勇輔 藤井
新吾 佐藤
涼 川畑
直樹 菊池
敏生 塩田
一平 樋口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Mizushima Ferroalloy Co Ltd
Original Assignee
JFE Steel Corp
Mizushima Ferroalloy Co Ltd
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Publication of JPWO2021177021A1 publication Critical patent/JPWO2021177021A1/ja
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • C21C5/35—Blowing from above and through the bath
    • 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
    • C21C7/04—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
    • C22C—ALLOYS
    • C22C22/00—Alloys based on manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C22C33/06—Making ferrous alloys by melting using master alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C35/00—Master alloys for iron or steel
    • C22C35/005—Master alloys for iron or steel based on iron, e.g. ferro-alloys
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manipulator (AREA)
  • Numerical Control (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
JP2021520447A 2020-03-06 2021-02-16 低炭素フェロマンガンの製造方法 Active JP7036993B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020038790 2020-03-06
JP2020038790 2020-03-06
PCT/JP2021/005689 WO2021177021A1 (ja) 2020-03-06 2021-02-16 低炭素フェロマンガンの製造方法

Publications (2)

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JPWO2021177021A1 JPWO2021177021A1 (https=) 2021-09-10
JP7036993B2 true JP7036993B2 (ja) 2022-03-15

Family

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JP2021520447A Active JP7036993B2 (ja) 2020-03-06 2021-02-16 低炭素フェロマンガンの製造方法

Country Status (7)

Country Link
US (1) US12473605B2 (https=)
EP (1) EP4116443A4 (https=)
JP (1) JP7036993B2 (https=)
KR (1) KR102776208B1 (https=)
MY (1) MY199215A (https=)
WO (1) WO2021177021A1 (https=)
ZA (1) ZA202209929B (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008240126A (ja) 2007-03-28 2008-10-09 Jfe Steel Kk ステンレス溶鋼の精錬方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165980A (en) * 1972-01-13 1979-08-28 Gfe Gesellschaft Fur Elektrometallurgie Mit Beschrankter Haftung Method of rapidly decarburizing ferro- alloys with oxygen
BE792732A (fr) 1972-01-13 1973-03-30 Elektrometallurgie Gmbh Procede pour decarburer rapidement des alliages de fer au moyend'oxygene
US4130417A (en) 1975-07-11 1978-12-19 Gfe Gesellschaft Fur Elektrometallurgie Mit Beschrankter Haftung Process for refining high-carbon ferro-alloys
SU648121A3 (ru) 1975-07-11 1979-02-15 Гезельшафт Фюр Электрометаллурги Мбх (Фирма) Способ обезуглероживани высокоуглеродистых ферромарганца или феррохрома
FR2414559A1 (fr) 1978-01-17 1979-08-10 Creusot Loire Procede d'affinage des ferro-manganeses
JPS5620113A (en) 1979-07-30 1981-02-25 Nippon Steel Corp Operating method of converter
JPS6056051A (ja) 1983-09-06 1985-04-01 Japan Metals & Chem Co Ltd 中・低炭素フエロマンガンの製造方法
JPS6067608A (ja) 1983-09-22 1985-04-18 Japan Metals & Chem Co Ltd 中・低炭素フエロマンガンの製造方法
US4662937A (en) 1984-05-28 1987-05-05 Nippon Steel Corporation Process for production of high-manganese iron alloy by smelting reduction
JPS61291947A (ja) 1985-06-18 1986-12-22 Kawasaki Steel Corp 中炭素または低炭素フェロマンガンの製造方法
JPS62230951A (ja) 1986-03-31 1987-10-09 Kobe Steel Ltd 中・低炭素フエロマンガンの製造方法
DE3707696A1 (de) * 1987-03-11 1988-09-22 Thyssen Stahl Ag Verfahren zur herstellung von ferromangan affine
JPH01123047A (ja) 1987-11-06 1989-05-16 Kawasaki Steel Corp 合金鉄の精錬方法
JPH0617537B2 (ja) 1988-06-14 1994-03-09 川崎製鉄株式会社 中、低炭素フェロマンガンの製造方法
JPH0621318B2 (ja) 1988-12-21 1994-03-23 川崎製鉄株式会社 中・低炭素フェロマンガンの溶製方法
JPH02247313A (ja) 1989-03-22 1990-10-03 Kawasaki Steel Corp 中・低炭素フェロマンガンの製造方法
JP3903580B2 (ja) * 1998-03-26 2007-04-11 Ｊｆｅスチール株式会社 高清浄度鋼の溶製方法
JP3870546B2 (ja) 1998-04-10 2007-01-17 Ｊｆｅスチール株式会社 フェロマンガン溶湯の脱炭精錬方法
JP2021028404A (ja) * 2017-11-27 2021-02-25 水島合金鉄株式会社 中低炭素フェロマンガンの製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008240126A (ja) 2007-03-28 2008-10-09 Jfe Steel Kk ステンレス溶鋼の精錬方法

Also Published As

Publication number Publication date
JPWO2021177021A1 (https=) 2021-09-10
WO2021177021A1 (ja) 2021-09-10
KR20220134642A (ko) 2022-10-05
EP4116443A1 (en) 2023-01-11
KR102776208B1 (ko) 2025-03-04
US20230167518A1 (en) 2023-06-01
EP4116443A4 (en) 2024-05-22
MY199215A (en) 2023-10-19
US12473605B2 (en) 2025-11-18
ZA202209929B (en) 2024-01-31

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