EP3725430A4 - Molten material processing device - Google Patents

Molten material processing device Download PDF

Info

Publication number: EP3725430A4
Authority: EP; European Patent Office
Prior art keywords: processing device; molten material; material processing; molten; processing
Prior art date: 2017-12-11
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP18888361.5A

Other languages

German (de)

French (fr)

Other versions

EP3725430A1 (en

Inventor

Sung Jool Kim

Jeong Do Seo

Chong Tae Ahn

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.)

2017-12-11

Filing date

2018-12-07

Publication date

2020-12-30

2018-12-07 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2020-10-21 Publication of EP3725430A1 publication Critical patent/EP3725430A1/en

2020-12-30 Publication of EP3725430A4 publication Critical patent/EP3725430A4/en

Status Withdrawn legal-status Critical Current

Links

239000012768 molten material Substances 0.000 title 1

Classifications

- 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
- B22D41/003—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with impact pads
- 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
- B22D11/116—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
- 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)
Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

EP18888361.5A 2017-12-11 2018-12-07 Molten material processing device Withdrawn EP3725430A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR1020170169476A KR102033642B1 (en)	2017-12-11	2017-12-11	Processing apparatus for molten material
PCT/KR2018/015563 WO2019117553A1 (en)	2017-12-11	2018-12-07	Molten material processing device

Publications (2)

Publication Number	Publication Date
EP3725430A1 EP3725430A1 (en)	2020-10-21
EP3725430A4 true EP3725430A4 (en)	2020-12-30

Family

ID=66820492

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18888361.5A Withdrawn EP3725430A4 (en)	2017-12-11	2018-12-07	Molten material processing device

Country Status (5)

Country	Link
EP (1)	EP3725430A4 (en)
JP (1)	JP2021505397A (en)
KR (1)	KR102033642B1 (en)
CN (1)	CN111448012A (en)
WO (1)	WO2019117553A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN116713463A (en) *	2023-05-09	2023-09-08	金川镍钴研究设计院有限责任公司	A molten steel purification device and molten steel purification method used in the production of K418B high-temperature master alloy

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH10216909A (en) *	1997-01-31	1998-08-18	Nippon Yakin Kogyo Co Ltd	Tundish for continuous casting of steel
US6074600A (en) *	1999-05-26	2000-06-13	Armco Inc.	Modification of tundish dam to minimize turbulence
KR20030044589A (en) *	2001-11-30	2003-06-09	주식회사 포스코	Tundish dam for guiding molten iron
US20090200343A1 (en) *	2008-02-07	2009-08-13	North American Refractories Company	Tundish dry vibratable form
KR20130047136A (en) *	2011-10-31	2013-05-08	주식회사 포스코	Tundish
KR20140085127A (en) *	2012-12-27	2014-07-07	주식회사 포스코	Continuous casting tundish and continuous casting apparatus

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS55128356A (en) *	1979-03-26	1980-10-04	Kawasaki Steel Corp	Decreasing method for inclusion in molten steel at continuous cast pouring time
JPS63174764A (en) *	1987-01-12	1988-07-19	Kawasaki Steel Corp	Method for preventing molten steel oxidation at casting start in continuous casting
CA2210487A1 (en) *	1995-01-26	1996-08-01	Foseco International Limited	Tundish
SE508311C2 (en) *	1995-08-16	1998-09-21	Mannesmann Ag	Method and apparatus for directly casting thin metal strips
JPH1094860A (en) *	1996-09-25	1998-04-14	Nippon Steel Corp	Tundish for continuous steel casting
KR100379604B1 (en) *	1996-12-26	2003-07-10	주식회사 포스코	Structure of tundish for guaranteeing manufacture of clean steel during eccentric injection between ladle and tundish in continuous casting process
JP3612198B2 (en) *	1997-12-10	2005-01-19	新日本製鐵株式会社	Continuous casting tundish
EP2193861A1 (en)	2008-12-02	2010-06-09	Foseco International Limited	Tundish Impact pad.
CN103567423A (en) *	2012-07-28	2014-02-12	泰州市旺鑫耐火材料有限公司	Slag stopping wall of tundish
CN202701364U (en) *	2012-08-23	2013-01-30	北京科技大学	Long nozzle continuous casting tundish
KR20140129895A (en) *	2013-04-30	2014-11-07	현대제철 주식회사	Tundish for continuous casting
KR101526444B1 (en) *	2013-08-22	2015-06-05	주식회사 포스코	Apparatus for treating of melting
CN103990787B (en) *	2014-05-16	2016-07-06	莱芜钢铁集团有限公司	A kind of for removing the device and method of molten steel inclusion in continuous casting production
JP6428307B2 (en) *	2015-01-27	2018-11-28	新日鐵住金株式会社	Manufacturing method of high clean steel
KR102461605B1 (en) *	2015-08-17	2022-11-02	닛테츠 닛신 세이코 가부시키가이샤	phantom weir

2017
- 2017-12-11 KR KR1020170169476A patent/KR102033642B1/en active Active
2018
- 2018-12-07 CN CN201880079794.1A patent/CN111448012A/en active Pending
- 2018-12-07 EP EP18888361.5A patent/EP3725430A4/en not_active Withdrawn
- 2018-12-07 JP JP2020531030A patent/JP2021505397A/en active Pending
- 2018-12-07 WO PCT/KR2018/015563 patent/WO2019117553A1/en not_active Ceased

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH10216909A (en) *	1997-01-31	1998-08-18	Nippon Yakin Kogyo Co Ltd	Tundish for continuous casting of steel
US6074600A (en) *	1999-05-26	2000-06-13	Armco Inc.	Modification of tundish dam to minimize turbulence
KR20030044589A (en) *	2001-11-30	2003-06-09	주식회사 포스코	Tundish dam for guiding molten iron
US20090200343A1 (en) *	2008-02-07	2009-08-13	North American Refractories Company	Tundish dry vibratable form
KR20130047136A (en) *	2011-10-31	2013-05-08	주식회사 포스코	Tundish
KR20140085127A (en) *	2012-12-27	2014-07-07	주식회사 포스코	Continuous casting tundish and continuous casting apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019117553A1 *

Also Published As

Publication number	Publication date
EP3725430A1 (en)	2020-10-21
KR20190069093A (en)	2019-06-19
WO2019117553A1 (en)	2019-06-20
KR102033642B1 (en)	2019-11-08
CN111448012A (en)	2020-07-24
JP2021505397A (en)	2021-02-18

Legal Events

Date	Code	Title	Description
2019-06-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2020-09-18	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2020-09-18	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2020-10-21	17P	Request for examination filed	Effective date: 20200604
2020-10-21	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2020-10-21	AX	Request for extension of the european patent	Extension state: BA ME
2020-12-30	A4	Supplementary search report drawn up and despatched	Effective date: 20201201
2020-12-30	RIC1	Information provided on ipc code assigned before grant	Ipc: B22D 11/118 20060101ALI20201125BHEP Ipc: B22D 11/103 20060101AFI20201125BHEP Ipc: B22D 41/00 20060101ALI20201125BHEP
2021-03-17	DAV	Request for validation of the european patent (deleted)
2021-03-17	DAX	Request for extension of the european patent (deleted)
2022-11-23	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: POSCO HOLDINGS INC.
2023-02-08	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: POSCO CO., LTD
2023-10-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2023-11-29	18D	Application deemed to be withdrawn	Effective date: 20230701

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