JPWO2022163200A1 - - Google Patents

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Publication number
JPWO2022163200A1
JPWO2022163200A1 JP2022518956A JP2022518956A JPWO2022163200A1 JP WO2022163200 A1 JPWO2022163200 A1 JP WO2022163200A1 JP 2022518956 A JP2022518956 A JP 2022518956A JP 2022518956 A JP2022518956 A JP 2022518956A JP WO2022163200 A1 JPWO2022163200 A1 JP WO2022163200A1
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
JP2022518956A
Other versions
JP7211557B2 (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 JPWO2022163200A1 publication Critical patent/JPWO2022163200A1/ja
Application granted granted Critical
Publication of JP7211557B2 publication Critical patent/JP7211557B2/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
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/20—Arrangements of devices for charging
    • 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
    • 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
    • C21C5/30—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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/34—Blowing through the bath
    • 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
    • F27D2003/162—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel
    • F27D2003/163—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel the fluid being an oxidant
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
JP2022518956A 2021-01-26 2021-12-17 溶鉄の精錬方法 Active JP7211557B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021010198 2021-01-26
JP2021010198 2021-01-26
PCT/JP2021/046712 WO2022163200A1 (ja) 2021-01-26 2021-12-17 溶鉄の精錬方法

Publications (2)

Publication Number Publication Date
JPWO2022163200A1 true JPWO2022163200A1 (ja) 2022-08-04
JP7211557B2 JP7211557B2 (ja) 2023-01-24

Family

ID=82654415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022518956A Active JP7211557B2 (ja) 2021-01-26 2021-12-17 溶鉄の精錬方法

Country Status (7)

Country Link
US (1) US20240060149A1 (ja)
EP (1) EP4273273A1 (ja)
JP (1) JP7211557B2 (ja)
KR (1) KR20230133977A (ja)
CN (1) CN116745438A (ja)
TW (1) TWI802184B (ja)
WO (1) WO2022163200A1 (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0472007A (ja) * 1990-07-10 1992-03-06 Nippon Steel Corp 溶鋼製造法
JP2005133117A (ja) * 2003-10-28 2005-05-26 Jfe Steel Kk 低燐溶銑の製造方法
WO2013108810A1 (ja) * 2012-01-19 2013-07-25 Ｊｆｅスチール株式会社 溶銑の予備処理方法
WO2014068933A1 (ja) * 2012-10-30 2014-05-08 Ｊｆｅスチール株式会社 溶銑の精錬方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169318A (ja) 1986-12-29 1988-07-13 Kawasaki Steel Corp 溶銑脱りん法
JP2013047371A (ja) * 2011-07-27 2013-03-07 Jfe Steel Corp 溶鉄の精錬方法
JP5948863B2 (ja) * 2011-12-26 2016-07-06 Ｊｆｅスチール株式会社 転炉精錬方法
TWI703219B (zh) * 2018-04-24 2020-09-01 日商日本製鐵股份有限公司 熔銑的脫磷方法
EP3957756B1 (en) * 2019-04-19 2024-02-07 Nippon Steel Corporation Method for producing chromium-containing molten iron

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0472007A (ja) * 1990-07-10 1992-03-06 Nippon Steel Corp 溶鋼製造法
JP2005133117A (ja) * 2003-10-28 2005-05-26 Jfe Steel Kk 低燐溶銑の製造方法
WO2013108810A1 (ja) * 2012-01-19 2013-07-25 Ｊｆｅスチール株式会社 溶銑の予備処理方法
WO2014068933A1 (ja) * 2012-10-30 2014-05-08 Ｊｆｅスチール株式会社 溶銑の精錬方法

Also Published As

Publication number Publication date
CN116745438A (zh) 2023-09-12
US20240060149A1 (en) 2024-02-22
TWI802184B (zh) 2023-05-11
TW202237864A (zh) 2022-10-01
EP4273273A1 (en) 2023-11-08
JP7211557B2 (ja) 2023-01-24
WO2022163200A1 (ja) 2022-08-04
KR20230133977A (ko) 2023-09-19

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