KR850004031A - Method and apparatus for preventing eddy of bottom injection container - Google Patents

Method and apparatus for preventing eddy of bottom injection container Download PDF

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Publication number
KR850004031A
KR850004031A KR1019840007229A KR840007229A KR850004031A KR 850004031 A KR850004031 A KR 850004031A KR 1019840007229 A KR1019840007229 A KR 1019840007229A KR 840007229 A KR840007229 A KR 840007229A KR 850004031 A KR850004031 A KR 850004031A
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KR
South Korea
Prior art keywords
container
gaseous fluid
refractory material
hole
block device
Prior art date
Application number
KR1019840007229A
Other languages
Korean (ko)
Inventor
죠셉 디웨즈(외 1) 훼어낸드
Original Assignee
엠 비이라니어 2세
유우에스에스 엔지니어즈 앤드 콘설탄츠 인코포레이팃드
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Application filed by 엠 비이라니어 2세, 유우에스에스 엔지니어즈 앤드 콘설탄츠 인코포레이팃드 filed Critical 엠 비이라니어 2세
Publication of KR850004031A publication Critical patent/KR850004031A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10Supplying or treating molten metal
    • B22D11/11Treating the molten metal
    • B22D11/116Refining the metal
    • B22D11/117Refining the metal by treating with gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50Pouring-nozzles
    • B22D41/58Pouring-nozzles with gas injecting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D43/00Mechanical cleaning, e.g. skimming of molten metals
    • B22D43/001Retaining slag during pouring molten metal

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Abstract

내용 없음No content

Description

바닥 주입 용기의 맴돌이 방지 방법 및 장치Method and apparatus for preventing eddy of bottom injection container

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 용융금속 주입용기의 수직 단면도.1 is a vertical cross-sectional view of the molten metal injection vessel of the present invention.

제2도는 제1도 웰블록(WELLBLOCK)장치의 상세한 수직 단면도.2 is a detailed vertical cross-sectional view of the FIG. 1 well block device.

제3도는 제2도 웰블록 장치의 평면도.3 is a plan view of the second well block device.

Claims (16)

바닥 주입용기의 구멍을 통해 용금을 주입하는 동안 맴돌이의 발생을 경감하는 방법에 있어서, 가스상 유체를 용기구멍(30)의 주위로부터 용금(12)안으로 분사하고 상기 가스상 유체를 집중 유동경로를 따라 용금(12)의 유동과 역류하게 편향시켜서 상기 구멍(30)의 유입구에 중첩하여 둘러싸게 경사진 가스막(56)을 형성함을 특징으로 하는 바닥 주입용기의 맴돌이 경감 방법.A method of reducing the occurrence of eddys while injecting molten metal through a hole in a bottom injection vessel, injecting a gaseous fluid into the molten metal 12 from the periphery of the vessel hole 30 and injecting the gaseous fluid along a concentrated flow path. And a gas film (56) inclined so as to deflect against the flow of (12) so as to overlap and overlap the inlet of the hole (30). 제1항에 있어서, 분사된 가스상 유체가 미세한 가스 거품의 흐름을 생성하는 상기 방법.The method of claim 1 wherein the injected gaseous fluid produces a flow of fine gas bubbles. 제1항 혹은 제2항에 있어서, 분사된 가스상 유체가 불활성 가스인 상기 방법.The method according to claim 1 or 2, wherein the injected gaseous fluid is an inert gas. 제3항에 있어서, 상기 불활성 가스가 아르곤인 상기 방법.The method of claim 3, wherein the inert gas is argon. 제3항 혹은 제4항에 있어서, 상기 불활성 가스가 0.2―0.5scfm(0.34―0.85㎥ /hec)의 속도로 분사되는 상기 방법.The method according to claim 3 or 4, wherein the inert gas is injected at a rate of 0.2-0.5 scfm (0.34-0.85 m 3 / hec). 제5항에 있어서, 상기 가스상 유체유동 경로의 경사각이 수평에 대해 20°―40°인 상기 방법.The method of claim 5 wherein the inclination angle of the gaseous fluid flow path is 20 ° -40 ° with respect to the horizontal. 제6항에 있어서, 상기 원추형 가스막(56)기부의 직경이 상기 용기(30)의 유입구 직경보다 1.75―2.50배 더 큰 상기 방법.7. The method according to claim 6, wherein the diameter of the conical gas membrane base (56) is 1.75 to 2.50 times larger than the diameter of the inlet of the container (30). 제7항에 있어서, 상기 가스막(56)기부의 유효환상 폭이 상기 막(56)의 기부 직경의 0.10―0.15배인 상기 방법.8. The method according to claim 7, wherein the effective annular width of the gas film base is 0.10 to 0.15 times the diameter of the base of the film. 용기 주입구멍을 형성하는 축방향 관통구멍을 내포하게 형성되고 상기 용기의 바닥에 배치되는 저투과성 내화물질의 몸체, 상기 용기 주입구멍에 대해 동심원상으로 일정간격 떨어지게 상기 저투과성 물질의 몸체에 환상으로 배열되고 상기 용기의 내부로 가스상 유체를 공급하도록 상기 저투과성 물질을 통하는 통로를 형성하며, 상기 저투과성 물질보다 더 높은 투과성을 지닌 내화물질과, 가스상 유체를 상기 통로에 공급하는 수단으로 구성되며, 용금 주입용 바닥 주입용기의 구멍에 사용할 웰블럭 장치에 있어서, 상기 가스상 유체 유동통로(36,60)의 배출단부에 있는 수단(38)은 상기 용기의 용금(12)몸체의 자유표면 방향으로 집중하게 상기 용기(10)안에 분사된 가스상 유체의 유동을 편형시키는데 효과적임을 특징으로 하는 웰블럭 장치.A body of a low permeable refractory material formed to contain an axial through hole forming a container injection hole and disposed at the bottom of the container, and annular to the body of the low permeable material to be spaced apart concentrically with respect to the container injection hole. Arranged to form a passage through the low permeable material to supply gaseous fluid to the interior of the vessel, the refractory material having a higher permeability than the low permeable material, and means for supplying the gaseous fluid to the passage, In a well block device for use in a hole of a bottom injection container for injection of money, the means 38 at the discharge end of the gaseous fluid flow passages 36 and 60 are concentrated in the direction of the free surface of the liquid 12 body of the container. Well block device, characterized in that it is effective to balance the flow of the gaseous fluid injected into the container (10). 제9항에 있어서, 상기 고투과성 내화물질(36,60)로 형성된 환상통로가 상기 용기 주입구멍(30)의 직경보다 1.75―2.50배 더 큰 직경을 갖는 웰블럭 장치.10. The well block device according to claim 9, wherein the annular passage formed of the highly permeable refractory material (36,60) has a diameter of 1.75 to 2.50 times larger than the diameter of the container injection hole (30). 제9항 혹은 제10항에 있어서, 상기 환상 통로의 유효폭이 상기 환상통로 직경의 0.10―0.15배인 웰블럭 장치.The well block device according to claim 9 or 10, wherein an effective width of the annular passage is 0.10 to 0.15 times the diameter of the annular passage. 제11항에 있어서, 상기 고투과성 내화물질(36,60)이 25―30%의 겉보기 다공도를 가진 웰블록 장치.12. The well block device of claim 11, wherein the highly permeable refractory material (36,60) has an apparent porosity of 25-30%. 제12항에 있어서, 상기 환상통로의 배출단부가 상기 고투과성 물질(36,60)의 배출단부 표면의 경사(38)에 의해 형성되고, 상기 경사(38)는 수평에 대해 20°―40°로 기울어져 있는 웹블록 장치.The discharge end of the annular passageway is formed by a slope 38 of the surface of the discharge end of the highly permeable material 36, 60, wherein the slope 38 is 20 ° -40 ° with respect to the horizontal. Webblock device tilted to. 제13항에 있어서, 상기 고투과성 내화물질이 상기 용기 주입구멍(30)에 대해 동심원적으로 일정간격 떨어진 중공의 원통몸체(60)형태로 되어있는 웰블록 장치.The well block device according to claim 13, wherein the highly permeable refractory material is in the form of a hollow cylindrical body (60) spaced concentrically with respect to the container injection hole (30). 제13항에 있어서, 상기 고투과성 내화물질이 상기 용기 주입구멍(30)주위에 동심원적으로 일정간격 떨어진 다수의 원주상간격진 원통봉들(36)형태인 웰블록 장치.14. The well block device according to claim 13, wherein the highly permeable refractory material is in the form of a plurality of circumferentially spaced cylindrical rods (36) spaced concentrically about the vessel injection hole (30). 제14항 혹은 제15항에 있어서, 환상 매니포울드(40)가 상기 저투과성 내화물질에 매립되어 있고 상기 용기주입구멍(30)으로 부터 동심원적으로 일정간격 떨어져 있으며, 상기 매니포울드(40)가 상기 고투과성 내화물질(36,60)과 상기 가스상 유체 공급원 사이에 유체 연통할 수 있게 하는 웰블록 장치.16. The manifold (40) according to claim 14 or 15, wherein the annular manifold (40) is embedded in the low permeability refractory material and is spaced concentrically from the container injection hole (30). ) Allows fluid communication between the highly permeable refractory material (36,60) and the gaseous fluid source. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840007229A 1983-11-18 1984-11-17 Method and apparatus for preventing eddy of bottom injection container KR850004031A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55301783A 1983-11-18 1983-11-18
US553017 1983-11-18

Publications (1)

Publication Number Publication Date
KR850004031A true KR850004031A (en) 1985-07-01

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Application Number Title Priority Date Filing Date
KR1019840007229A KR850004031A (en) 1983-11-18 1984-11-17 Method and apparatus for preventing eddy of bottom injection container

Country Status (8)

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JP (1) JPS60115353A (en)
KR (1) KR850004031A (en)
BR (1) BR8405742A (en)
DE (1) DE3441324A1 (en)
FR (1) FR2555080B1 (en)
GB (1) GB2149699B (en)
IT (1) IT1180122B (en)
ZA (1) ZA848974B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3881307D1 (en) * 1987-08-20 1993-07-01 Preussag Stahl Ag DEVICE AND METHOD FOR REDUCING THE CONTENT OF SLAGS WITH A MINIMUM REMAINING STEEL QUANTITY IN THE CONVERTER.
US4836433A (en) * 1988-05-13 1989-06-06 Insul Company, Inc. Device for introducing stirring gas into molten metal in metered amount
GB9212953D0 (en) * 1992-06-18 1992-07-29 Foseco Int Purifying molten metal
DE19520897C1 (en) * 1995-06-01 1996-10-31 Mannesmann Ag Continuous casting distribution channel
DE19820727A1 (en) * 1998-05-11 1999-11-25 Berthold Raubuch Vessel for holding liquid steel
EA200702122A1 (en) * 2007-08-17 2009-02-27 Общество С Ограниченной Ответственностью "Тмт" DEVICE FOR METAL REFINING IN THE INTERMEDIATE BUCKET
CN108273987B (en) * 2018-04-09 2020-05-19 东北大学 Ladle air-permeable upper nozzle pocket brick and method for controlling ladle slag discharging
JP2021049564A (en) * 2019-09-26 2021-04-01 黒崎播磨株式会社 Tundish upper nozzle structure and method of continuous casting

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU61204A1 (en) * 1970-06-26 1972-03-24
GB1598764A (en) * 1977-03-18 1981-09-23 Sumitomo Metal Ind Method and apparatus for continuous casting of steel
FR2516415A1 (en) * 1981-11-13 1983-05-20 Daussan & Co DEVICE FOR REMOVING THE INCLUSIONS CONTAINED IN LIQUID METALS

Also Published As

Publication number Publication date
IT8468128A1 (en) 1986-05-09
GB8428084D0 (en) 1984-12-12
FR2555080A1 (en) 1985-05-24
JPS60115353A (en) 1985-06-21
GB2149699B (en) 1987-03-11
BR8405742A (en) 1985-09-17
GB2149699A (en) 1985-06-19
IT1180122B (en) 1987-09-23
DE3441324A1 (en) 1985-05-30
ZA848974B (en) 1985-07-31
FR2555080B1 (en) 1986-12-26
IT8468128A0 (en) 1984-11-09

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