EP4129527A4 - Gas blowing device - Google Patents

Gas blowing device Download PDF

Info

Publication number
EP4129527A4
EP4129527A4 EP21780918.5A EP21780918A EP4129527A4 EP 4129527 A4 EP4129527 A4 EP 4129527A4 EP 21780918 A EP21780918 A EP 21780918A EP 4129527 A4 EP4129527 A4 EP 4129527A4
Authority
EP
European Patent Office
Prior art keywords
blowing device
gas blowing
gas
blowing
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
EP21780918.5A
Other languages
German (de)
French (fr)
Other versions
EP4129527A1 (en
Inventor
Yosuke Kataoka
Yuji Morii
Takafumi IMAEDA
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.)
TYK Corp
Original Assignee
TYK 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 TYK Corp filed Critical TYK Corp
Publication of EP4129527A1 publication Critical patent/EP4129527A1/en
Publication of EP4129527A4 publication Critical patent/EP4129527A4/en
Pending 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
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • 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
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • 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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/34—Blowing through the bath
    • 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
    • C21C5/4673—Measuring and sampling devices
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP21780918.5A 2020-03-31 2021-03-18 Gas blowing device Pending EP4129527A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020065228A JP7346780B2 (en) 2020-03-31 2020-03-31 gas blowing device
PCT/JP2021/011103 WO2021200225A1 (en) 2020-03-31 2021-03-18 Gas blowing device

Publications (2)

Publication Number Publication Date
EP4129527A1 EP4129527A1 (en) 2023-02-08
EP4129527A4 true EP4129527A4 (en) 2024-05-22

Family

ID=77928820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21780918.5A Pending EP4129527A4 (en) 2020-03-31 2021-03-18 Gas blowing device

Country Status (3)

Country Link
EP (1) EP4129527A4 (en)
JP (1) JP7346780B2 (en)
WO (1) WO2021200225A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050681A (en) * 1973-05-25 1977-09-27 Eisenwerk-Gesellschaft Maximilianshutte Mbh Apparatus for the controlled feeding of a refining gas and of a fluid protective medium
US20120000315A1 (en) * 2008-12-23 2012-01-05 Alexander Fleischanderl Method and Device for Controlling Vibrations of a Metallurgical Vessel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2570421Y2 (en) * 1991-12-24 1998-05-06 川崎炉材株式会社 Molten metal gas injection stirrer
JP5073392B2 (en) 2007-07-11 2012-11-14 東京窯業株式会社 Ladle
JP5516393B2 (en) 2010-12-24 2014-06-11 新日鐵住金株式会社 Ladle operation method
JP2017217695A (en) 2016-06-10 2017-12-14 東京窯業株式会社 Continuous casting method of steel
JP6762168B2 (en) 2016-08-29 2020-09-30 東京窯業株式会社 Gas supply device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050681A (en) * 1973-05-25 1977-09-27 Eisenwerk-Gesellschaft Maximilianshutte Mbh Apparatus for the controlled feeding of a refining gas and of a fluid protective medium
US20120000315A1 (en) * 2008-12-23 2012-01-05 Alexander Fleischanderl Method and Device for Controlling Vibrations of a Metallurgical Vessel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021200225A1 *

Also Published As

Publication number Publication date
EP4129527A1 (en) 2023-02-08
JP7346780B2 (en) 2023-09-20
JP2021159964A (en) 2021-10-11
WO2021200225A1 (en) 2021-10-07

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Legal Events

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STAA Information on the status of an ep patent application or granted ep patent

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20220928

AK Designated contracting states

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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

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20240422

RIC1 Information provided on ipc code assigned before grant

Ipc: C21C 5/46 20060101ALI20240416BHEP

Ipc: B22D 11/117 20060101ALI20240416BHEP

Ipc: C21C 5/34 20060101ALI20240416BHEP

Ipc: B22D 41/00 20060101ALI20240416BHEP

Ipc: B22D 11/10 20060101ALI20240416BHEP

Ipc: B22D 1/00 20060101ALI20240416BHEP

Ipc: C21C 7/072 20060101ALI20240416BHEP

Ipc: B22D 43/00 20060101AFI20240416BHEP