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EP3546600A4 - Device and method for measuring surface level of molten metal - Google Patents

Device and method for measuring surface level of molten metal Download PDF

Info

Publication number
EP3546600A4
EP3546600A4 EP17873765.6A EP17873765A EP3546600A4 EP 3546600 A4 EP3546600 A4 EP 3546600A4 EP 17873765 A EP17873765 A EP 17873765A EP 3546600 A4 EP3546600 A4 EP 3546600A4
Authority
EP
European Patent Office
Prior art keywords
molten metal
surface level
measuring surface
measuring
level
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Withdrawn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
EP17873765.6A
Other languages
German (de)
French (fr)
Other versions
EP3546600A1 (en
Inventor
Dong Jo Lee
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 EP3546600A1 publication Critical patent/EP3546600A1/en
Publication of EP3546600A4 publication Critical patent/EP3546600A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/14—Discharging devices, e.g. for slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/24—Test rods or other checking devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/21—Arrangements of devices for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/26—Arrangements of controlling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/28—Arrangements of monitoring devices, of indicators, of alarm devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangement of monitoring devices; Arrangement of safety devices
    • F27D21/0028—Devices for monitoring the level of the melt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/14—Charging or discharging liquid or molten material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Blast Furnaces (AREA)
EP17873765.6A 2016-11-24 2017-11-02 Device and method for measuring surface level of molten metal Withdrawn EP3546600A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160157450A KR101839841B1 (en) 2016-11-24 2016-11-24 Apparatus and Method for measuring molten steel height
PCT/KR2017/012307 WO2018097499A1 (en) 2016-11-24 2017-11-02 Device and method for measuring surface level of molten metal

Publications (2)

Publication Number Publication Date
EP3546600A1 EP3546600A1 (en) 2019-10-02
EP3546600A4 true EP3546600A4 (en) 2019-10-02

Family

ID=61911183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17873765.6A Withdrawn EP3546600A4 (en) 2016-11-24 2017-11-02 Device and method for measuring surface level of molten metal

Country Status (5)

Country Link
EP (1) EP3546600A4 (en)
JP (1) JP2019535995A (en)
KR (1) KR101839841B1 (en)
CN (1) CN110023515A (en)
WO (1) WO2018097499A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112414130B (en) * 2020-12-17 2024-01-23 镇江龙源铝业有限公司 Aluminum melting furnace control system
KR102855715B1 (en) * 2021-02-03 2025-09-04 제이에프이 스틸 가부시키가이샤 Method for detecting the height of the melt and method for operating a blast furnace
WO2024150464A1 (en) * 2023-01-12 2024-07-18 Ｊｆｅスチール株式会社 Molten material height detection method, molten material height detection device, and molten material producing method
CN120435572A (en) * 2023-01-12 2025-08-05 杰富意钢铁株式会社 Method for detecting melt height, device for detecting melt height, and method for manufacturing melt
JP7694749B1 (en) 2024-02-28 2025-06-18 Ｊｆｅスチール株式会社 METHOD FOR DETECTING MELT HEIGHT, DEVICE FOR DETECTING MELT HEIGHT, AND MELT PRODUCTION METHOD

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010019977A (en) * 1999-08-31 2001-03-15 이구택 Apparatus for measuring liquid level of blast furnace
JP2006176849A (en) * 2004-12-24 2006-07-06 Jfe Steel Kk Method and apparatus for measuring melt level in blast furnace
JP2008266669A (en) * 2007-04-16 2008-11-06 Jfe Steel Kk Method and apparatus for measuring melt level in vertical furnace
KR20090067891A (en) * 2007-12-21 2009-06-25 주식회사 포스코 Apparatus for detecting level of molteniron

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11304566A (en) * 1998-04-15 1999-11-05 Nippon Steel Corp Method and apparatus for detecting height of molten steel in continuous casting immersion nozzle
JP2008163399A (en) 2006-12-28 2008-07-17 Denka Consult & Eng Co Ltd Curing device for agglomerated fine powder
KR20100071350A (en) * 2008-12-19 2010-06-29 재단법인 포항산업과학연구원 Apparatus for measuring liquid level of blast furnace using induction coil
KR101571857B1 (en) 2008-12-19 2015-11-26 재단법인 포항산업과학연구원 Apparatus and Method for measuring liquid level of blast furnace
US8482295B2 (en) * 2009-02-23 2013-07-09 Hatch Ltd. Electromagnetic bath level measurement for pyrometallurgical furnaces
CN102884388B (en) * 2010-04-26 2016-03-09 哈茨有限公司 Measurement of bed levels in metallurgical furnaces

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010019977A (en) * 1999-08-31 2001-03-15 이구택 Apparatus for measuring liquid level of blast furnace
JP2006176849A (en) * 2004-12-24 2006-07-06 Jfe Steel Kk Method and apparatus for measuring melt level in blast furnace
JP2008266669A (en) * 2007-04-16 2008-11-06 Jfe Steel Kk Method and apparatus for measuring melt level in vertical furnace
KR20090067891A (en) * 2007-12-21 2009-06-25 주식회사 포스코 Apparatus for detecting level of molteniron

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018097499A1 *

Also Published As

Publication number Publication date
EP3546600A1 (en) 2019-10-02
JP2019535995A (en) 2019-12-12
CN110023515A (en) 2019-07-16
WO2018097499A1 (en) 2018-05-31
KR101839841B1 (en) 2018-03-19

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Effective date: 20190522

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Effective date: 20190823

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AX Request for extension of the european patent

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Effective date: 20200428

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Effective date: 20200709