KR910019483A - Plasma tundish heating method - Google Patents

Plasma tundish heating method Download PDF

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Publication number
KR910019483A
KR910019483A KR1019910006187A KR910006187A KR910019483A KR 910019483 A KR910019483 A KR 910019483A KR 1019910006187 A KR1019910006187 A KR 1019910006187A KR 910006187 A KR910006187 A KR 910006187A KR 910019483 A KR910019483 A KR 910019483A
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KR
South Korea
Prior art keywords
argon
mixture
helium
plasma
support arm
Prior art date
Application number
KR1019910006187A
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Korean (ko)
Inventor
무어 콜린
피터 헨리 챨스
말콤 카우 피터
Original Assignee
마이클 위크햄
더 비오씨 그룹 피엘씨
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Publication date
Application filed by 마이클 위크햄, 더 비오씨 그룹 피엘씨 filed Critical 마이클 위크햄
Publication of KR910019483A publication Critical patent/KR910019483A/en

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    • 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
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal

Abstract

내용 없음No content

Description

플라즈마 턴디쉬(tundish)가열방법Plasma tundish heating method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따라 운전시키는데 적당한 플라즈마 토오치(plasma torch)가 설치된, 래들(ladle) 및 턴디쉬의 일반적인 배치상태를 도시한 개략도이며, 제2A도는 본 발명에 따른 방법에 사용하기 위한 플라즈마 토오치의 개략적인 측면도이고 제2B도는 제2A도 토오치의 평면도이며, 제3도는 2개의 플라즈마 토오치가 사용되고 토오치에 서어비스(services)를 공급하기 위한 시스템이 나타난, 본 발명에 따른 예시한 개략적인 투시도이다.FIG. 1 is a schematic diagram showing a general arrangement of ladles and tundish with a plasma torch suitable for operation in accordance with the present invention, and FIG. 2A is a plasma for use in the method according to the present invention. A schematic side view of the torch and FIG. 2B is a plan view of the FIG. A schematic perspective view.

Claims (12)

아르곤과 질소, 수소 네온 및 헬륨중의 하나 이상과의 혼합물을 포함하는 개스로 이루어진 열플라즈마(thermal palsma)에 의해 턴디쉬(tundish)내의 용융 물질을 가열하는 방법.A method of heating molten material in a tundish by a thermal palsma consisting of a gas comprising a mixture of argon and at least one of nitrogen, hydrogen neon and helium. 제1항에 있어서, 용융 물질이 강철을 포함하며, 개스가 아르곤 및 헬륨의 혼합물을 포함하는 방법.The method of claim 1 wherein the molten material comprises steel and the gas comprises a mixture of argon and helium. 제2항에 있어서, 개스가 아르곤 50 내지 95부피% 및 헬륨 5 내지 50부피%의 혼합물을 포함하는 방법.The process of claim 2 wherein the gas comprises a mixture of 50-95% argon and 5-50% helium. 제3항에 있어서, 혼합물이 아르곤 80 내지 90부피% 및 헬륨 10 내지 20부피%를 포함하는 방법.4. The process of claim 3 wherein the mixture comprises 80-90% argon and 10-20% helium. 제1항에 있어서, 개스가 아르곤 및 질소의 혼합물을 포함하는 방법.The method of claim 1 wherein the gas comprises a mixture of argon and nitrogen. 제5항에 있어서, 혼합물이 아르곤 80 내지 90부피% 및 질소 10 내지 20부피%를 포함하는 방법.6. The process of claim 5 wherein the mixture comprises 80-90% argon and 10-20% nitrogen. 제1 내지 6항중 어느 한 항에 있어서, 플라즈마를 전달 아크 플라즈마 토오치(transferred arc plasma torch)의 운전에 의해 발생시키는 방법.The method of claim 1, wherein the plasma is generated by operation of a transferred arc plasma torch. 제7항에 있어서, 플라즈마 토오치가 토오치에 필수 서어비스(services)를 운반하는 일반적으로 수평인 지시 아암(support arm)(여기서, 지지 아암은 연장가능한 지지체사에 피봇적으로 (pivotally)설치된다)에 분리가능하게 계합되는 일반적으로 수직인 전극을 포함하는 방법.The support arm of claim 7, wherein the plasma torch is pivotally mounted to the extendable support thread, wherein the generally horizontal support arm carries the essential services to the torch. And a generally vertical electrode detachably engaged. 제7항 또는 제8항에 있어서, 아크 길이가 25 내지 45cm인 방법.The method of claim 7 or 8, wherein the arc length is 25 to 45 cm. 토오치에 필수 서어비스를 운반하는 일반적으로 수평인 지지 아암(여기서, 지지 아암은 연장가능한 지지체상에 피봇적으로 설치된다)에 분리가능하게 계합되는 일반적으로 수직인 전극을 포함하는 플라즈마 토오치를 포함하는, 턴디쉬내의 용융 금속을 가열하기 위한 장치.Including a plasma torch comprising a generally vertical electrode detachably engaged to a generally horizontal support arm carrying a required service to the torch, wherein the support arm is pivotally mounted on the extendable support. A device for heating molten metal in a tundish. 제10항에 있어서, 플라즈마 토오치가 전달 아크류(arc kind)로 이루어진 장치.The apparatus of claim 10, wherein the plasma torch consists of a transfer arc kind. 제10 또는 11항에 있어서, 전극이 중공 음극인 장치.The device of claim 10 or 11, wherein the electrode is a hollow cathode. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910006187A 1990-04-19 1991-04-18 Plasma tundish heating method KR910019483A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909008833A GB9008833D0 (en) 1990-04-19 1990-04-19 Heating
GBGB9008833.7 1990-04-19

Publications (1)

Publication Number Publication Date
KR910019483A true KR910019483A (en) 1991-11-30

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Application Number Title Priority Date Filing Date
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Country Status (7)

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EP (1) EP0453188A3 (en)
JP (1) JPH05305422A (en)
KR (1) KR910019483A (en)
CN (1) CN1057416A (en)
AU (1) AU7500291A (en)
GB (1) GB9008833D0 (en)
ZA (1) ZA912855B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2666819B1 (en) * 1990-09-19 1994-09-23 Inst Aluminievoi Magnievoi METHOD AND DEVICE FOR MANUFACTURING A COMPOSITE MATERIAL FROM A BASE METAL.
IN181634B (en) * 1993-05-27 1998-08-01 Bhp Steel Jla Pty Ltd Ishikawa
AUPN595095A0 (en) * 1995-10-16 1995-11-09 Bhp Steel (Jla) Pty Limited Heating molten metal
FR2762535B1 (en) * 1997-04-23 1999-05-28 Lorraine Laminage CONTINUOUS CASTING DISTRIBUTOR OF METALS, OF THE TYPE COMPRISING AT LEAST ONE PLASMA TORCH FOR METAL HEATING
FR2767081B1 (en) * 1997-08-11 1999-09-17 Lorraine Laminage PROCESS FOR HEATING A LIQUID METAL IN A CONTINUOUS CASTING DISTRIBUTOR USING A PLASMA TORCH, AND DISTRIBUTOR FOR IMPLEMENTING SAME
JP6760036B2 (en) * 2016-12-16 2020-09-23 日本製鉄株式会社 Method for suppressing abnormal discharge of graphite electrodes in a plasma heating device
CN111136253B (en) * 2020-01-13 2021-01-08 北京科技大学 Plasma heating method and plasma heating system for tundish molten steel
CN113714495B (en) * 2020-05-25 2022-11-11 上海梅山钢铁股份有限公司 Continuous casting tundish direct-current plasma arc heating control method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6024333A (en) * 1983-07-21 1985-02-07 Daido Steel Co Ltd Method for melting metal or the like
LU86090A1 (en) * 1985-09-23 1987-04-02 Metallurgie Hoboken PROCESS FOR PREPARING AFFINANT TANTALUM OR NIOBIUM
US4734551A (en) * 1986-01-10 1988-03-29 Plasma Energy Corporation Method and apparatus for heating molten steel utilizing a plasma arc torch

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CN1057416A (en) 1992-01-01
GB9008833D0 (en) 1990-06-13
ZA912855B (en) 1992-04-29
AU7500291A (en) 1991-10-24
EP0453188A2 (en) 1991-10-23
JPH05305422A (en) 1993-11-19
EP0453188A3 (en) 1993-04-28

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