EP4628601A4 - Schlackemodifizierungsverfahren und schlackenmodifizierungsvorrichtung - Google Patents

Schlackemodifizierungsverfahren und schlackenmodifizierungsvorrichtung

Info

Publication number
EP4628601A4
EP4628601A4 EP24766719.9A EP24766719A EP4628601A4 EP 4628601 A4 EP4628601 A4 EP 4628601A4 EP 24766719 A EP24766719 A EP 24766719A EP 4628601 A4 EP4628601 A4 EP 4628601A4
Authority
EP
European Patent Office
Prior art keywords
slag modification
slag
modification process
modification device
modification
Prior art date
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.)
Pending
Application number
EP24766719.9A
Other languages
English (en)
French (fr)
Other versions
EP4628601A1 (de
Inventor
Yusuke Kato
Katsunori Takahashi
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
Original Assignee
JFE Steel Corp
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 by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP4628601A1 publication Critical patent/EP4628601A1/de
Publication of EP4628601A4 publication Critical patent/EP4628601A4/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C21B3/08—Cooling slag
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
EP24766719.9A 2023-03-07 2024-01-30 Schlackemodifizierungsverfahren und schlackenmodifizierungsvorrichtung Pending EP4628601A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023035067 2023-03-07
PCT/JP2024/002922 WO2024185344A1 (ja) 2023-03-07 2024-01-30 スラグの改質方法及びスラグの改質装置

Publications (2)

Publication Number Publication Date
EP4628601A1 EP4628601A1 (de) 2025-10-08
EP4628601A4 true EP4628601A4 (de) 2026-04-08

Family

ID=92674426

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24766719.9A Pending EP4628601A4 (de) 2023-03-07 2024-01-30 Schlackemodifizierungsverfahren und schlackenmodifizierungsvorrichtung

Country Status (5)

Country Link
EP (1) EP4628601A4 (de)
JP (1) JP7522983B1 (de)
KR (1) KR20250129061A (de)
CN (1) CN120712365A (de)
WO (1) WO2024185344A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003155511A (ja) * 2001-11-20 2003-05-30 Nippon Steel Corp 転炉スラグ製品の製造方法
JP2004238276A (ja) * 2003-01-17 2004-08-26 Jfe Material Co Ltd 高炭素フェロクロム風砕スラグの製造方法及び研掃材
JP2009227495A (ja) * 2008-03-20 2009-10-08 Jfe Steel Corp スラグ処理方法
JP2015189600A (ja) * 2014-03-27 2015-11-02 Ｊｆｅスチール株式会社 風砕スラグの製造装置、風砕スラグの製造方法および風砕スラグ
KR101727300B1 (ko) * 2016-07-19 2017-04-13 (주)유진에코씨엘 슬래그 안정화 처리 시스템
JP2019163175A (ja) * 2018-03-19 2019-09-26 Ｊｆｅスチール株式会社 スラグ材の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54136596A (en) * 1978-04-17 1979-10-23 Mitsubishi Heavy Ind Ltd Granular substance manufactured by refining converter slag and manufacture thereof
KR20120130533A (ko) * 2011-05-23 2012-12-03 (주)유진에코씨엘 망간 슬래그 안정화 방법
JP6340639B2 (ja) 2015-10-29 2018-06-13 Ｊｆｅスチール株式会社 スラグ材の製造方法
EP4100551B1 (de) * 2020-02-07 2024-04-03 Tenova S.p.A. Verfahren und vorrichtung zum granulieren von aus eisen und stahl stammender schlacke

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003155511A (ja) * 2001-11-20 2003-05-30 Nippon Steel Corp 転炉スラグ製品の製造方法
JP2004238276A (ja) * 2003-01-17 2004-08-26 Jfe Material Co Ltd 高炭素フェロクロム風砕スラグの製造方法及び研掃材
JP2009227495A (ja) * 2008-03-20 2009-10-08 Jfe Steel Corp スラグ処理方法
JP2015189600A (ja) * 2014-03-27 2015-11-02 Ｊｆｅスチール株式会社 風砕スラグの製造装置、風砕スラグの製造方法および風砕スラグ
KR101727300B1 (ko) * 2016-07-19 2017-04-13 (주)유진에코씨엘 슬래그 안정화 처리 시스템
JP2019163175A (ja) * 2018-03-19 2019-09-26 Ｊｆｅスチール株式会社 スラグ材の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024185344A1 *

Also Published As

Publication number Publication date
JPWO2024185344A1 (de) 2024-09-12
KR20250129061A (ko) 2025-08-28
CN120712365A (zh) 2025-09-26
EP4628601A1 (de) 2025-10-08
JP7522983B1 (ja) 2024-07-26
WO2024185344A1 (ja) 2024-09-12

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