EP4035795A4 - MANIFOLD NOZZLE STRUCTURE AND CONTINUOUS CASTING PROCESS - Google Patents

MANIFOLD NOZZLE STRUCTURE AND CONTINUOUS CASTING PROCESS Download PDF

Info

Publication number
EP4035795A4
EP4035795A4 EP20868567.7A EP20868567A EP4035795A4 EP 4035795 A4 EP4035795 A4 EP 4035795A4 EP 20868567 A EP20868567 A EP 20868567A EP 4035795 A4 EP4035795 A4 EP 4035795A4
Authority
EP
European Patent Office
Prior art keywords
continuous casting
casting method
nozzle structure
tundish nozzle
tundish
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Withdrawn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
EP20868567.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4035795A1 (en
Inventor
Shinichi Fukunaga
Takuya Okada
Toshio Kaku
Hiroki Furukawa
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.)
Krosaki Harima Corp
Original Assignee
Krosaki Harima 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 Krosaki Harima Corp filed Critical Krosaki Harima Corp
Publication of EP4035795A1 publication Critical patent/EP4035795A1/en
Publication of EP4035795A4 publication Critical patent/EP4035795A4/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Withdrawn legal-status Critical Current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
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/58—Pouring-nozzles with gas injecting means
    • 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
    • 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
    • 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
    • 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
    • B22D41/14—Closures
    • B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
    • 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
    • B22D41/50—Pouring-nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Valve Housings (AREA)
EP20868567.7A 2019-09-26 2020-09-17 MANIFOLD NOZZLE STRUCTURE AND CONTINUOUS CASTING PROCESS Withdrawn EP4035795A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019175256A JP2021049564A (ja) 2019-09-26 2019-09-26 タンディッシュ上ノズル構造体及び連続鋳造方法
PCT/JP2020/035165 WO2021060122A1 (ja) 2019-09-26 2020-09-17 タンディッシュ上ノズル構造体及び連続鋳造方法

Publications (2)

Publication Number Publication Date
EP4035795A1 EP4035795A1 (en) 2022-08-03
EP4035795A4 true EP4035795A4 (en) 2023-02-08

Family

ID=75155231

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20868567.7A Withdrawn EP4035795A4 (en) 2019-09-26 2020-09-17 MANIFOLD NOZZLE STRUCTURE AND CONTINUOUS CASTING PROCESS

Country Status (7)

Country Link
US (1) US20220324017A1 (pt)
EP (1) EP4035795A4 (pt)
JP (1) JP2021049564A (pt)
CN (1) CN114040823A (pt)
BR (1) BR112022001629A2 (pt)
TW (1) TWI770616B (pt)
WO (1) WO2021060122A1 (pt)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360190A (en) * 1981-03-16 1982-11-23 Junichi Ato Porous nozzle for molten metal vessel
EP0187924A1 (de) * 1984-11-26 1986-07-23 Cometus AG Verfahren zum Spülen von Metallschmelze und Pfanne zur Durchführung des Verfahrens
JPH09314294A (ja) * 1996-05-28 1997-12-09 Akechi Ceramics Kk 連続鋳造用浸漬ノズル
EP0866739A1 (en) * 1995-10-10 1998-09-30 Vesuvius Crucible Company Nozzle assembly having inert gas distributor
US6016940A (en) * 1997-06-26 2000-01-25 Sollac Process for casting molten metal in a conduit comprising at least two refractory parts
US20130334263A1 (en) * 2011-12-01 2013-12-19 Krosakiharima Corporation Refractory material and casting nozzle

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3168852D1 (en) * 1981-03-11 1985-03-28 Junichi Ato Porous nozzle for molten metal vessel
FR2516415A1 (fr) * 1981-11-13 1983-05-20 Daussan & Co Dispositif pour eliminer les inclusions contenues dans les metaux liquides
GB2149699B (en) * 1983-11-18 1987-03-11 Uss Eng & Consult Method and apparatus for avoiding vortexing in a bottom pour vessel
JPH054933Y2 (pt) * 1987-08-27 1993-02-08
JPH01284473A (ja) * 1988-05-11 1989-11-15 Toshiba Ceramics Co Ltd 溶融金属排出装置
JPH04100662A (ja) * 1990-08-20 1992-04-02 Kawasaki Refract Co Ltd 溶融金属容器の溶湯流出方法
GB9212953D0 (en) * 1992-06-18 1992-07-29 Foseco Int Purifying molten metal
JPH06297118A (ja) 1993-04-12 1994-10-25 Nippon Steel Corp タンディッシュ底部のストッパー受けノズル
GB9522217D0 (en) * 1995-10-31 1996-01-03 Shaw Richard D Gas-porous nozzle
JPH1034299A (ja) * 1996-07-26 1998-02-10 Nippon Steel Corp 注入装置
JP4252661B2 (ja) * 1999-03-09 2009-04-08 日新製鋼株式会社 タンデイッシュノズル部の構造
JP4210063B2 (ja) 2002-01-28 2009-01-14 日新製鋼株式会社 タンディッシュノズル
JP4139366B2 (ja) * 2004-08-26 2008-08-27 黒崎播磨株式会社 ガスを吹き出す機能を有する溶融金属排出ノズル
JP2016182612A (ja) 2015-03-25 2016-10-20 株式会社神戸製鋼所 上ポーラス耐火物及び下ポーラス耐火物から不活性ガスを吹き込む連続鋳造方法
JP6515388B2 (ja) * 2015-10-02 2019-05-22 日本製鉄株式会社 連続鋳造用の上ノズル
JP6663230B2 (ja) * 2016-01-25 2020-03-11 黒崎播磨株式会社 ノズル構造体
JP6649795B2 (ja) * 2016-02-19 2020-02-19 黒崎播磨株式会社 浸漬ノズルの交換方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360190A (en) * 1981-03-16 1982-11-23 Junichi Ato Porous nozzle for molten metal vessel
EP0187924A1 (de) * 1984-11-26 1986-07-23 Cometus AG Verfahren zum Spülen von Metallschmelze und Pfanne zur Durchführung des Verfahrens
EP0866739A1 (en) * 1995-10-10 1998-09-30 Vesuvius Crucible Company Nozzle assembly having inert gas distributor
JPH09314294A (ja) * 1996-05-28 1997-12-09 Akechi Ceramics Kk 連続鋳造用浸漬ノズル
US6016940A (en) * 1997-06-26 2000-01-25 Sollac Process for casting molten metal in a conduit comprising at least two refractory parts
US20130334263A1 (en) * 2011-12-01 2013-12-19 Krosakiharima Corporation Refractory material and casting nozzle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021060122A1 *

Also Published As

Publication number Publication date
EP4035795A1 (en) 2022-08-03
WO2021060122A1 (ja) 2021-04-01
TW202128310A (zh) 2021-08-01
JP2021049564A (ja) 2021-04-01
BR112022001629A2 (pt) 2022-04-19
CN114040823A (zh) 2022-02-11
TWI770616B (zh) 2022-07-11
US20220324017A1 (en) 2022-10-13

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