CA2268673A1 - Preventing pencil pipe defects in steel - Google Patents

Preventing pencil pipe defects in steel Download PDF

Info

Publication number
CA2268673A1
CA2268673A1 CA002268673A CA2268673A CA2268673A1 CA 2268673 A1 CA2268673 A1 CA 2268673A1 CA 002268673 A CA002268673 A CA 002268673A CA 2268673 A CA2268673 A CA 2268673A CA 2268673 A1 CA2268673 A1 CA 2268673A1
Authority
CA
Canada
Prior art keywords
nozzle
steel
nitrogen
passageway
containing gas
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.)
Abandoned
Application number
CA002268673A
Other languages
English (en)
French (fr)
Inventor
George D. Lawson
Gary W. Hallum
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.)
Ltv Steel Co Inc
Original Assignee
Ltv Steel Co Inc
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 Ltv Steel Co Inc filed Critical Ltv Steel Co Inc
Publication of CA2268673A1 publication Critical patent/CA2268673A1/en
Abandoned 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
    • 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
    • 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
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/42—Features relating to gas injection
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
CA002268673A 1998-07-31 1999-04-08 Preventing pencil pipe defects in steel Abandoned CA2268673A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12661798A 1998-07-31 1998-07-31
US09/126,617 1998-07-31

Publications (1)

Publication Number Publication Date
CA2268673A1 true CA2268673A1 (en) 2000-01-31

Family

ID=22425819

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002268673A Abandoned CA2268673A1 (en) 1998-07-31 1999-04-08 Preventing pencil pipe defects in steel

Country Status (5)

Country Link
EP (1) EP0982088A1 (ko)
JP (1) JP2000079453A (ko)
KR (1) KR20000011248A (ko)
AU (1) AU2251699A (ko)
CA (1) CA2268673A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100804995B1 (ko) * 2001-08-23 2008-02-20 주식회사 포스코 하부플레이트내에 배출형 유로를 갖춘 용강 재산화 방지장치
KR100843861B1 (ko) * 2001-12-22 2008-07-03 주식회사 포스코 래들과 턴디쉬 사이에서 공기흡입 방지 노즐구조
CN104889363B (zh) * 2015-06-03 2017-11-07 天津市航宇嘉瑞科技股份有限公司 一种新型铝合金液体导流装置
CN106825531B (zh) * 2017-01-18 2018-05-25 武汉精鼎科技股份有限公司 一种炼钢厂钢水连续浇铸用中间包的施工方法
CN107649672A (zh) * 2017-08-04 2018-02-02 青岛东冶耐火材料有限公司 一种板坯中间包透气上水口及其制造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6099462A (ja) * 1983-11-02 1985-06-03 Toshiba Ceramics Co Ltd 溶融金属排出装置
ATE107878T1 (de) * 1987-09-07 1994-07-15 Danieli Off Mecc Giessverfahren für eine stranggiessvorrichtung mit reduzierter bauhöhe und entsprechender tauchausguss.
JPH04157052A (ja) * 1990-10-15 1992-05-29 Kawasaki Steel Corp 連続鋳造用浸漬ノズルおよびノズル詰り防止方法
CA2064392A1 (en) * 1991-04-12 1992-10-13 James D. Engel Gas permeable well nozzle
JPH05318059A (ja) * 1992-05-25 1993-12-03 Sumitomo Metal Ind Ltd 浸漬ノズル
JP2986688B2 (ja) * 1994-07-29 1999-12-06 東芝セラミックス株式会社 ガス吹ノズル
US5587101A (en) * 1995-09-29 1996-12-24 Tokyo Yogyo Kabushiki Kaisha Gas injection nozzle for pouring liquid metal

Also Published As

Publication number Publication date
EP0982088A1 (en) 2000-03-01
KR20000011248A (ko) 2000-02-25
AU2251699A (en) 2000-02-24
JP2000079453A (ja) 2000-03-21

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Legal Events

Date Code Title Description
FZDE Dead