BR9307762A - Método e aparelho para fundição isenta de escórias - Google Patents

Método e aparelho para fundição isenta de escórias

Info

Publication number
BR9307762A
BR9307762A BR9307762A BR9307762A BR9307762A BR 9307762 A BR9307762 A BR 9307762A BR 9307762 A BR9307762 A BR 9307762A BR 9307762 A BR9307762 A BR 9307762A BR 9307762 A BR9307762 A BR 9307762A
Authority
BR
Brazil
Prior art keywords
slag
free casting
casting
free
Prior art date
Application number
BR9307762A
Other languages
English (en)
Inventor
Robert G Petrushka
Franklin E Rote
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 BR9307762A publication Critical patent/BR9307762A/pt

Links

Classifications

    • 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
    • C21C5/4653—Tapholes; Opening or plugging thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
    • B22D43/001—Retaining slag during pouring molten metal
    • 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
    • C21C2005/468—Means for determining the weight of the converter
BR9307762A 1991-10-15 1993-02-19 Método e aparelho para fundição isenta de escórias BR9307762A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/776,981 US5203909A (en) 1991-10-15 1991-10-15 Method and apparatus for slag free casting
PCT/US1993/001504 WO1994019498A1 (en) 1991-10-15 1993-02-19 Method and apparatus for slag free casting

Publications (1)

Publication Number Publication Date
BR9307762A true BR9307762A (pt) 1995-10-24

Family

ID=1340487

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9307762A BR9307762A (pt) 1991-10-15 1993-02-19 Método e aparelho para fundição isenta de escórias

Country Status (6)

Country Link
US (1) US5203909A (pt)
EP (1) EP0685000A4 (pt)
AU (1) AU3726393A (pt)
BR (1) BR9307762A (pt)
WO (1) WO1994019498A1 (pt)
ZA (1) ZA931287B (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5544695A (en) * 1993-06-01 1996-08-13 Harasym; Michael Antivortexing nozzle system for pouring molten metal
US6539805B2 (en) 1994-07-19 2003-04-01 Vesuvius Crucible Company Liquid metal flow condition detection
US5633462A (en) * 1994-07-19 1997-05-27 Apa Systems Method and apparatus for detecting the condition of the flow of liquid metal in and from a teeming vessel
US5628958A (en) * 1994-12-08 1997-05-13 Ipsco Enterprises Inc. Melt shop layout
CA2164407C (en) * 1994-12-08 2001-08-21 William R. Frank Melt shop scheduling for continuous casting
US6280499B1 (en) 1994-12-28 2001-08-28 Robert J. Koffron Yield metal pouring system
US6171364B1 (en) 1996-03-22 2001-01-09 Steel Technology Corporation Method for stable operation of a smelter reactor
US6179895B1 (en) 1996-12-11 2001-01-30 Performix Technologies, Ltd. Basic tundish flux composition for steelmaking processes
US6074598A (en) * 1998-06-15 2000-06-13 Tetron, Inc. Method and apparatus for slag separation sensing
DE19916232A1 (de) * 1999-04-10 2000-10-12 Sms Demag Ag Verfahren und Vorrichtung zum Abstechen von Metallschmelzen aus metallurgischen Schmelzgefäßen
AT407056B (de) * 1999-05-21 2000-12-27 Voest Alpine Ind Anlagen Verfahren zum verschliessen und öffnen eines stichloches eines kippbaren metallurgischen gefässes
DE10014712A1 (de) * 2000-03-24 2001-09-27 Sms Demag Ag Verfahren und Vorrichtung zum schlackenfreien Ausgießen von Metallschmelzen aus metallurgischen Schmelzgefäßen
US6576039B2 (en) 2001-07-02 2003-06-10 Tetron, Inc. Method and apparatus for metal pouring
KR100833054B1 (ko) * 2001-12-05 2008-05-27 주식회사 포스코 용강주조용 슬래그 혼입방지장치
KR101299094B1 (ko) * 2010-08-30 2013-08-27 현대제철 주식회사 래들 교환시 용강 오염범위 예측 방법
CN103185460B (zh) * 2011-12-27 2015-11-11 衡阳镭目科技有限责任公司 一种炼钢炉导渣方法及系统
KR101482510B1 (ko) * 2013-08-07 2015-01-19 주식회사 우진 슬래그 유출 방지 장치 및 여기에 사용되는 고압가스 분사 랜스
CN103752780B (zh) * 2013-10-28 2015-07-01 沈阳黎明航空发动机(集团)有限责任公司 采用重量传感器实现真空炉浇铸重量实时测量装置及方法
EP3992310A1 (de) * 2020-11-03 2022-05-04 Primetals Technologies Austria GmbH Verfahren und vorrichtung zum abgiessen von metallschmelze aus einem metallurgischen gefäss

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US589210A (en) * 1897-08-31 Reverberatory smelting and refining furnace
US1328803A (en) * 1918-09-19 1920-01-27 Bagley Charles Henry Frost Process for making basic steel in open-hearth steel-furnaces
US2246144A (en) * 1938-10-17 1941-06-17 Electrochimie Electrometallurg Tapping of metals
US2828516A (en) * 1955-02-08 1958-04-01 Koppers Co Inc Ladle for casting metal
US3469740A (en) * 1968-01-24 1969-09-30 Amsted Ind Inc Process of removing metal from slag-surfaced melt
LU61204A1 (pt) * 1970-06-26 1972-03-24
CH517542A (de) * 1970-10-26 1972-01-15 Concast Ag Vorrichtung zum Abschluss einer Durchflussöffnung gegenüber Schlacke bei Giessgefässen
BE778449A (fr) * 1971-02-16 1972-05-16 Krupp Ag Huettenwerke Procede pour l'acceleration de reaction metallurgiques et dispositif pour la mise en oeuvre du procede
AT350090B (de) * 1975-12-17 1979-05-10 Voest Ag Verfahren und einrichtung zum verschliessen des stichloches eines metallurgischen gefaesses
JPS599170B2 (ja) * 1976-06-11 1984-02-29 株式会社クボタ スカム吸引方法とその装置
JPS598756B2 (ja) * 1979-12-27 1984-02-27 川崎製鉄株式会社 溶滓カツト出鋼方法
US4431169A (en) * 1980-07-05 1984-02-14 Nisshin Steel Co., Ltd. Method and apparatus for preventing the inclusion of slag into the molten steel tapped from a converter
JPS57147251U (pt) * 1981-03-10 1982-09-16
LU84213A1 (fr) * 1982-06-18 1983-11-23 Arbed Dispositif pour vidanger des recipients metallurgiques
US4462572A (en) * 1982-09-01 1984-07-31 Hanneken Robert L Fence stay
AT382242B (de) * 1982-11-08 1987-01-26 Austroplan Vorrichtung zum fixieren eines entlang einer gewindestange verstellbaren bauteiles
GB8411596D0 (en) * 1984-05-05 1984-06-13 Thor Ceramics Ltd Stopper
FR2611151B1 (fr) * 1987-02-20 1991-06-14 Daussan & Co Dispositif de prechauffage et/ou d'obturation et de debouchage d'un orifice de coulee et procede pour sa mise en oeuvre
DE3743575A1 (de) * 1987-12-22 1989-07-13 Krupp Gmbh Verfahren zum abstechen einer metallschmelze und metallurgisches gefaess zur durchfuehrung des verfahrens
US4840355A (en) * 1988-07-13 1989-06-20 Labate M D Slag controlling device for basic oxygen furnaces

Also Published As

Publication number Publication date
WO1994019498A1 (en) 1994-09-01
EP0685000A4 (en) 1997-05-02
EP0685000A1 (en) 1995-12-06
ZA931287B (en) 1993-09-17
US5203909A (en) 1993-04-20
AU3726393A (en) 1994-09-14

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 9A, 10A, 11A, 12A, 13A, 14A, 15A, 16A E 17A ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 9A, 10A, 11A, 12A, 13A, 14A, 15A, 16A E 17A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.