EP3470149A4 - Melt treating apparatus and melt treating method - Google Patents

Melt treating apparatus and melt treating method Download PDF

Info

Publication number
EP3470149A4
EP3470149A4 EP16904744.6A EP16904744A EP3470149A4 EP 3470149 A4 EP3470149 A4 EP 3470149A4 EP 16904744 A EP16904744 A EP 16904744A EP 3470149 A4 EP3470149 A4 EP 3470149A4
Authority
EP
European Patent Office
Prior art keywords
melt treating
melt
treating apparatus
treating method
treating
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Withdrawn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
EP16904744.6A
Other languages
German (de)
French (fr)
Other versions
EP3470149A1 (en
Inventor
Sang Woo Han
Hyun Jin Cho
Jang Hoon Kim
Ju Han Choi
Yong Hwan Kim
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 EP3470149A4 publication Critical patent/EP3470149A4/en
Publication of EP3470149A1 publication Critical patent/EP3470149A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10Supplying or treating molten metal
    • B22D11/103Distributing the molten metal, e.g. using runners, floats, distributors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002Treatment with gases
    • B22D1/005Injection assemblies therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10Supplying or treating molten metal
    • B22D11/11Treating the molten metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10Supplying or treating molten metal
    • B22D11/11Treating the molten metal
    • B22D11/116Refining the metal
    • B22D11/117Refining the metal by treating with gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10Supplying or treating molten metal
    • B22D11/11Treating the molten metal
    • B22D11/116Refining the metal
    • B22D11/118Refining the metal by circulating the metal under, over or around weirs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/08Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like for bottom pouring

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Continuous Casting (AREA)
EP16904744.6A 2016-06-08 2016-11-24 Melt treating apparatus and melt treating method Withdrawn EP3470149A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160071229A KR101834216B1 (en) 2016-06-08 2016-06-08 Molten material processing apparatus and processing method
PCT/KR2016/013628 WO2017213311A1 (en) 2016-06-08 2016-11-24 Melt treating apparatus and melt treating method

Publications (2)

Publication Number Publication Date
EP3470149A4 true EP3470149A4 (en) 2019-04-17
EP3470149A1 EP3470149A1 (en) 2019-04-17

Family

ID=60577983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16904744.6A Withdrawn EP3470149A1 (en) 2016-06-08 2016-11-24 Melt treating apparatus and melt treating method

Country Status (5)

Country Link
EP (1) EP3470149A1 (en)
JP (1) JP2019517392A (en)
KR (1) KR101834216B1 (en)
CN (1) CN109311084A (en)
WO (1) WO2017213311A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101949698B1 (en) 2017-07-14 2019-02-19 주식회사 포스코 Apparatus for treatment molten material
CN110947921B (en) * 2018-09-27 2021-05-14 宝山钢铁股份有限公司 Tundish flow control system capable of filtering impurities in steel
KR102157597B1 (en) * 2018-11-30 2020-09-18 주식회사 포스코 Apparatus for preventing re-oxydation of molten steel
CN115301935A (en) 2021-05-07 2022-11-08 维苏威美国公司 Tundish with filter module
CN114606442B (en) * 2022-03-07 2023-06-13 上海大学 Preparation device and method of high-density nano oxide ODS steel
CN114734031B (en) * 2022-04-11 2023-12-15 成都先进金属材料产业技术研究院股份有限公司 Pouring launder of vacuum induction furnace and pouring method of vacuum induction smelting

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853357A (en) * 1981-09-24 1983-03-29 Nippon Steel Corp Tundish for continuous casting
JPS58212848A (en) * 1982-06-07 1983-12-10 Nippon Kokan Kk <Nkk> Tundish for continuous casting
EP0186852A2 (en) * 1984-12-18 1986-07-09 Nippon Steel Corporation Tundish for continuous casting of free cutting steel
US4671499A (en) * 1985-02-22 1987-06-09 Nippon Steel Corporation Tundish for continuous casting of free cutting steel
WO1995006534A1 (en) * 1993-08-28 1995-03-09 Foseco International Limited Purifying molten metal
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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857356U (en) * 1981-10-08 1983-04-18 新日本製鐵株式会社 shield tandate
JPS6086551U (en) * 1983-11-21 1985-06-14 新日本製鐵株式会社 Continuous degassing equipment for molten steel in tundish
JPS6311149U (en) * 1986-07-04 1988-01-25
JPH024912A (en) * 1988-06-24 1990-01-09 Kawasaki Steel Corp Method for purifying molten steel in container
JPH0750039Y2 (en) * 1991-03-25 1995-11-15 株式会社アステック入江 Tundish for continuous casting
JPH067904A (en) * 1992-06-26 1994-01-18 Nippon Steel Corp Method and device for removing inclusion in tundish for continuous casting
JPH07268437A (en) * 1994-03-31 1995-10-17 Kawasaki Steel Corp Method for removing nonmetallic inclusion in molten metal by ceramic filter plate and device therefor
US5551672A (en) * 1995-01-13 1996-09-03 Bethlehem Steel Corporation Apparatus for controlling molten metal flow in a tundish to enhance inclusion float out from a molten metal bath
JP2002346704A (en) * 2001-05-28 2002-12-04 Sumitomo Metal Ind Ltd Continuous casting tundish and method for removing oxide, etc., using it
KR101018148B1 (en) * 2008-06-04 2011-02-28 주식회사 포스코 Tundish and Continuous Casting Method using The Same
KR101225228B1 (en) * 2010-09-29 2013-01-22 현대제철 주식회사 apparatus for removing inclusions of molten steel in tundish
KR101328251B1 (en) 2011-12-28 2013-11-14 주식회사 포스코 Apparatus for controlling flow of molten steel in Tundish, and Continuous casting Apparatus having the Same and Continuous casting Method using the Same
KR20130119252A (en) * 2012-04-23 2013-10-31 포항공과대학교 산학협력단 The molten metal refining device and method of refining using the same
CN102764868B (en) * 2012-07-11 2015-01-07 北京科技大学 Blowing and refining device and method used for removing tundish molten steel inclusion
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
KR20150073449A (en) 2013-12-23 2015-07-01 주식회사 포스코 Apparatus for treating molten metal
CN103990786B (en) * 2014-05-16 2016-05-25 莱芜钢铁集团有限公司 A kind of for removing the device and method of molten steel field trash in double flow tray billet continuous casting machine tundish

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853357A (en) * 1981-09-24 1983-03-29 Nippon Steel Corp Tundish for continuous casting
JPS58212848A (en) * 1982-06-07 1983-12-10 Nippon Kokan Kk <Nkk> Tundish for continuous casting
EP0186852A2 (en) * 1984-12-18 1986-07-09 Nippon Steel Corporation Tundish for continuous casting of free cutting steel
US4671499A (en) * 1985-02-22 1987-06-09 Nippon Steel Corporation Tundish for continuous casting of free cutting steel
WO1995006534A1 (en) * 1993-08-28 1995-03-09 Foseco International Limited Purifying molten metal
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017213311A1 *

Also Published As

Publication number Publication date
WO2017213311A1 (en) 2017-12-14
JP2019517392A (en) 2019-06-24
CN109311084A (en) 2019-02-05
EP3470149A1 (en) 2019-04-17
KR101834216B1 (en) 2018-03-05
KR20170138860A (en) 2017-12-18

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