JPWO2022054555A1 - - Google Patents

Info

Publication number
JPWO2022054555A1
JPWO2022054555A1 JP2021567886A JP2021567886A JPWO2022054555A1 JP WO2022054555 A1 JPWO2022054555 A1 JP WO2022054555A1 JP 2021567886 A JP2021567886 A JP 2021567886A JP 2021567886 A JP2021567886 A JP 2021567886A JP WO2022054555 A1 JPWO2022054555 A1 JP WO2022054555A1
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
JP2021567886A
Other versions
JP7020601B1 (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
Application granted granted Critical
Publication of JP7020601B1 publication Critical patent/JP7020601B1/ja
Publication of JPWO2022054555A1 publication Critical patent/JPWO2022054555A1/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
    • C21C7/064—Dephosphorising; 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/54—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
    • 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
    • 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
    • C21C7/076—Use of slags or fluxes as treating agents
    • 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
    • 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
    • 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
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
JP2021567886A 2020-09-10 2021-08-23 低リン溶鉄の製造方法 Active JP7020601B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020151788 2020-09-10
JP2020151788 2020-09-10
PCT/JP2021/030769 WO2022054555A1 (ja) 2020-09-10 2021-08-23 低リン溶鉄の製造方法

Publications (2)

Publication Number Publication Date
JP7020601B1 JP7020601B1 (ja) 2022-02-16
JPWO2022054555A1 true JPWO2022054555A1 (ja) 2022-03-17

Family

ID=80630430

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021567886A Active JP7020601B1 (ja) 2020-09-10 2021-08-23 低リン溶鉄の製造方法

Country Status (6)

Country Link
US (1) US20230313330A1 (ja)
EP (1) EP4212637A4 (ja)
JP (1) JP7020601B1 (ja)
KR (1) KR20230061515A (ja)
CN (1) CN115989324A (ja)
WO (1) WO2022054555A1 (ja)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5868817A (en) * 1994-06-30 1999-02-09 Nippon Steel Corporation Process for producing steel by converter
JPH08120321A (ja) * 1994-10-24 1996-05-14 Mitsubishi Heavy Ind Ltd 溶湯中のリンを低減する高純度鋼溶湯の製造方法
AT403293B (de) 1995-01-16 1997-12-29 Kct Tech Gmbh Verfahren und anlage zum herstellen von legierten stählen
JPH10152714A (ja) 1996-11-25 1998-06-09 Nippon Steel Corp 溶銑の精錬方法
JP5324142B2 (ja) * 2008-07-01 2013-10-23 株式会社神戸製鋼所 電気炉を用いた精錬方法
JP2013001915A (ja) 2011-06-13 2013-01-07 Nippon Steel & Sumitomo Metal Corp Ｃｒを含有する溶鋼の精錬方法
CN102312033A (zh) * 2011-07-28 2012-01-11 山西太钢不锈钢股份有限公司 一种高磷铬镍生铁脱磷的方法
JP6593232B2 (ja) * 2016-03-16 2019-10-23 日本製鉄株式会社 アーク式電気炉における金属溶解方法
CN111635977B (zh) * 2020-05-14 2021-03-23 北京科技大学 一种全连续超短电弧炉炼钢流程生产设备及工艺

Also Published As

Publication number Publication date
CN115989324A (zh) 2023-04-18
US20230313330A1 (en) 2023-10-05
EP4212637A4 (en) 2024-02-28
JP7020601B1 (ja) 2022-02-16
EP4212637A1 (en) 2023-07-19
WO2022054555A1 (ja) 2022-03-17
KR20230061515A (ko) 2023-05-08

Similar Documents

Publication Publication Date Title
BR112023005462A2 (ja)
BR112021014123A2 (ja)
BR112023012656A2 (ja)
BR112022009896A2 (ja)
BR112022024743A2 (ja)
BR112023009656A2 (ja)
BR102021018859A2 (ja)
BR102021015500A2 (ja)
BR102021007058A2 (ja)
BR102020022030A2 (ja)
BR112023011738A2 (ja)
BR112023016292A2 (ja)
BR112023004146A2 (ja)
BR112023011610A2 (ja)
BR112023011539A2 (ja)
BR112023008976A2 (ja)
BR112023006729A2 (ja)
BR102021020147A2 (ja)
BR102021018926A2 (ja)
BR102021018167A2 (ja)
BR102021017576A2 (ja)
BR102021016837A2 (ja)
BR102021016551A2 (ja)
BR102021016375A2 (ja)
BR102021016176A2 (ja)

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20211111

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20211111

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20220104

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220117

R150 Certificate of patent or registration of utility model

Ref document number: 7020601

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150