EP3539689A4 - Casting equipment and casting method using same - Google Patents

Casting equipment and casting method using same Download PDF

Info

Publication number
EP3539689A4
EP3539689A4 EP17870275.9A EP17870275A EP3539689A4 EP 3539689 A4 EP3539689 A4 EP 3539689A4 EP 17870275 A EP17870275 A EP 17870275A EP 3539689 A4 EP3539689 A4 EP 3539689A4
Authority
EP
European Patent Office
Prior art keywords
casting
same
equipment
casting method
casting equipment
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.)
Withdrawn
Application number
EP17870275.9A
Other languages
German (de)
French (fr)
Other versions
EP3539689A1 (en
Inventor
Seung Min Han
Ju Han Choi
Sang Woo Han
Jang Hoon Kim
Hyun Jin Cho
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3539689A1 publication Critical patent/EP3539689A1/en
Publication of EP3539689A4 publication Critical patent/EP3539689A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/103—Distributing the molten metal, e.g. using runners, floats, distributors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/113—Treating the molten metal by vacuum treating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/114—Treating the molten metal by using agitating or vibrating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/116—Refining the metal
    • B22D11/117—Refining the metal by treating with gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/116—Refining the metal
    • B22D11/118—Refining the metal by circulating the metal under, over or around weirs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
EP17870275.9A 2016-11-09 2017-11-02 Casting equipment and casting method using same Withdrawn EP3539689A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160148865A KR101881971B1 (en) 2016-11-09 2016-11-09 Casting apparatus and casging method using the same
PCT/KR2017/012308 WO2018088753A1 (en) 2016-11-09 2017-11-02 Casting equipment and casting method using same

Publications (2)

Publication Number Publication Date
EP3539689A1 EP3539689A1 (en) 2019-09-18
EP3539689A4 true EP3539689A4 (en) 2020-01-22

Family

ID=62109903

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17870275.9A Withdrawn EP3539689A4 (en) 2016-11-09 2017-11-02 Casting equipment and casting method using same

Country Status (6)

Country Link
US (1) US20190262895A1 (en)
EP (1) EP3539689A4 (en)
JP (1) JP2019535524A (en)
KR (1) KR101881971B1 (en)
CN (1) CN109922905A (en)
WO (1) WO2018088753A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003119515A (en) * 2001-10-10 2003-04-23 Sumitomo Metal Ind Ltd Method for smelting molten metal
JP2006035272A (en) * 2004-07-27 2006-02-09 Jfe Steel Kk Method for removing inclusion in tundish for continuous casting, and tundish for continuous casting
KR20140129895A (en) * 2013-04-30 2014-11-07 현대제철 주식회사 Tundish for continuous casting

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645699B2 (en) * 1972-10-05 1981-10-28
JPH01188619A (en) * 1988-01-21 1989-07-27 Nkk Corp Method for rh vacuum degasification
JP3118606B2 (en) * 1990-03-29 2000-12-18 新日本製鐵株式会社 Manufacturing method of ultra-low carbon steel
KR19980033067U (en) * 1996-12-06 1998-09-05 김종진 Vortex formation prevention device of tundish
DE19936227A1 (en) * 1999-08-05 2001-02-08 Sms Demag Ag Molten steel is vacuum degassed during continuous casting by passage through a vacuum chamber located in a tundish
KR100455977B1 (en) * 2000-05-12 2004-11-08 신닛뽄세이테쯔 카부시키카이샤 Ladle refining device and ladle refining method using it
JP3654181B2 (en) 2000-12-20 2005-06-02 住友金属工業株式会社 Method for refining molten metal
JP4096635B2 (en) 2001-06-29 2008-06-04 住友金属工業株式会社 Molten metal refining apparatus and method, and fine bubble generating apparatus
JP5141813B2 (en) * 2010-12-27 2013-02-13 Ｊｆｅスチール株式会社 Cast slab defect prediction detection method, slab manufacturing method, slab defect occurrence prediction detection device, and continuous casting equipment provided with the slab defect occurrence prediction detection device
CN102728827B (en) * 2012-07-23 2014-11-05 武汉钢铁(集团)公司 Continuous casting tundish capable of improving molten steel cleanliness
CN104404205B (en) * 2014-10-27 2017-02-08 北京科技大学 Method for removing microscopic nonmetallic inclusion in molten steel by using nitrogen-increasing nitrogen-precipitating process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003119515A (en) * 2001-10-10 2003-04-23 Sumitomo Metal Ind Ltd Method for smelting molten metal
JP2006035272A (en) * 2004-07-27 2006-02-09 Jfe Steel Kk Method for removing inclusion in tundish for continuous casting, and tundish for continuous casting
KR20140129895A (en) * 2013-04-30 2014-11-07 현대제철 주식회사 Tundish for continuous casting

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LIFENG ZHANG ET AL: "Fluid flow and inclusion removal in continuous casting tundish", METALLURGICAL AND MATERIALS TRANSACTIONS B, SPRINGER-VERLAG, NEW YORK, vol. 31, no. 2, April 2000 (2000-04-01), pages 253 - 266, XP019697166, ISSN: 1543-1916, DOI: 10.1007/s11663-000-0044-9 *
See also references of WO2018088753A1 *

Also Published As

Publication number Publication date
KR101881971B1 (en) 2018-08-24
EP3539689A1 (en) 2019-09-18
WO2018088753A1 (en) 2018-05-17
US20190262895A1 (en) 2019-08-29
CN109922905A (en) 2019-06-21
JP2019535524A (en) 2019-12-12
KR20180051917A (en) 2018-05-17

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