BR9600097A - Método para produzir aços-liga e aparelhagem para execução do método - Google Patents

Método para produzir aços-liga e aparelhagem para execução do método

Info

Publication number
BR9600097A
BR9600097A BR9600097A BR9600097A BR9600097A BR 9600097 A BR9600097 A BR 9600097A BR 9600097 A BR9600097 A BR 9600097A BR 9600097 A BR9600097 A BR 9600097A BR 9600097 A BR9600097 A BR 9600097A
Authority
BR
Brazil
Prior art keywords
carrying
alloy steels
producing alloy
producing
steels
Prior art date
Application number
BR9600097A
Other languages
English (en)
Inventor
Ernst Fritz
Original Assignee
Kct Tech Gmbh
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 Kct Tech Gmbh filed Critical Kct Tech Gmbh
Publication of BR9600097A publication Critical patent/BR9600097A/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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5264—Manufacture of alloyed steels including ferro-alloys
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5252—Manufacture of steel in electric furnaces in an electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non electric furnace
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising of stainless steel
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C2007/0093—Duplex process; Two stage processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/961—Treating flue dust to obtain metal other than by consolidation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/962—Treating or using mill scale

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
BR9600097A 1995-01-16 1996-01-15 Método para produzir aços-liga e aparelhagem para execução do método BR9600097A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0005595A AT403293B (de) 1995-01-16 1995-01-16 Verfahren und anlage zum herstellen von legierten stählen

Publications (1)

Publication Number Publication Date
BR9600097A true BR9600097A (pt) 1998-01-27

Family

ID=3480337

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9600097A BR9600097A (pt) 1995-01-16 1996-01-15 Método para produzir aços-liga e aparelhagem para execução do método

Country Status (11)

Country Link
US (1) US6077324A (pt)
EP (1) EP0721990B1 (pt)
JP (1) JP4195106B2 (pt)
KR (1) KR960029466A (pt)
CN (1) CN1134984A (pt)
AT (1) AT403293B (pt)
BR (1) BR9600097A (pt)
DE (1) DE59606475D1 (pt)
TR (1) TR199600032A2 (pt)
TW (1) TW363081B (pt)
ZA (1) ZA96281B (pt)

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LU90055B1 (fr) * 1997-04-24 1998-10-26 Wurth Paul Sa Procédé de fusion d'alliages à base de fer dans un four électrique
AT405054B (de) * 1997-06-18 1999-05-25 Voest Alpine Ind Anlagen Verfahren und anlage zum herstellen einer eisenschmelze unter einsatz von eisenhältigen hüttenwerksreststoffen
LU90232B1 (fr) * 1998-04-08 1999-10-11 Wurth Paul Sa Procédé de fabrication d'aciers inoxydables et d'aciers à fortes teneurs en elements d'alliage
AU6554700A (en) * 1999-06-23 2001-01-09 Sms Demag Aktiengesellschaft Method for recovering metallic chromium from slag containing chromium oxide
CN1222629C (zh) * 2000-10-18 2005-10-12 Sms迪马格股份公司 不锈钢的制造方法
US6500224B1 (en) * 2001-10-11 2002-12-31 Bethlehem Steel Corporation Method for operating a steelmaking furnace during a steelmaking process
DE10209472B4 (de) * 2002-03-05 2004-08-26 Sms Demag Ag Verfahren zum Erzeugen von nichtrostendem Stahl, insbesondere von chrom- oder chromnickelhaltigem Edelstahl
DE10215839A1 (de) * 2002-04-10 2003-11-06 Sms Demag Ag Verfahren und Einrichtung zum Erzeugen von C-Stählen oder nichtrostenden Stählen durch Frischen von phosphorreichem Roheisen im Elektrolichtbogen-Ofen oder im Konverter-Gefäß
KR100987049B1 (ko) * 2003-06-26 2010-10-11 두산중공업 주식회사 개선된 고크롬강 제조 방법
DE102010036174A1 (de) 2010-05-04 2011-11-10 Georg-Simon-Ohm Hochschule für angewandte Wissenschaften Fachhochschule Nürnberg Optischer Drehübertrager
EP2589672A1 (de) * 2011-11-03 2013-05-08 Siemens Aktiengesellschaft Verfahren zum Betreiben eines Lichtbogenofens
US10767239B2 (en) 2017-06-16 2020-09-08 University Of Science And Technology Beijing Production method for smelting clean steel from full-scrap steel using duplex electric arc furnaces
CN107326150B (zh) * 2017-06-16 2018-04-03 北京科技大学 一种全废钢电弧炉双联冶炼洁净钢的生产方法
RU2697305C1 (ru) * 2018-01-09 2019-08-13 Игорь Михайлович Шатохин Технологическая линия для производства композиционных ферросплавов, лигатур и бескислородных огнеупорных материалов для металлургии
JP7094264B2 (ja) * 2019-12-25 2022-07-01 株式会社神戸製鋼所 溶鋼の製造方法
KR20230061515A (ko) 2020-09-10 2023-05-08 제이에프이 스틸 가부시키가이샤 저인 용철의 제조 방법
CN112974738A (zh) * 2021-04-23 2021-06-18 北京科技大学 连铸微合金化生产方法
JP7302749B2 (ja) 2021-05-26 2023-07-04 Ｊｆｅスチール株式会社 溶鉄の脱りん方法
DE102022101835B4 (de) 2022-01-26 2024-02-22 Rhm Rohstoff-Handelsgesellschaft Mbh Verfahren zum Verwerten von Bauteilen, die kohlenstofffaserverstärkten Kunststoff (CFK) aufweisen oder aus diesem bestehen

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US3947267A (en) * 1973-07-23 1976-03-30 Armco Steel Corporation Process for making stainless steel
SE433128B (sv) * 1974-02-21 1984-05-07 Nisshin Steel Co Ltd Hermetiskt sluten ljusbagsugn
JPS5269812A (en) * 1975-12-09 1977-06-10 Kobe Steel Ltd Preparation of ultra low carbon high cr steel
SE405983B (sv) * 1977-06-09 1979-01-15 Asea Ab Sett for framstellning av kromhaltig legering i ljusbagsugn
SE449373B (sv) * 1977-07-01 1987-04-27 Dso Cherna Metalurgia Sett och anordning for raffinering av jernbaserade smeltor i elektrisk reaktionsugn
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JPS56130417A (en) * 1980-03-14 1981-10-13 Mitsubishi Heavy Ind Ltd Decarburizing method for stainless steel in arc furnace
DE3034430A1 (de) * 1980-09-12 1982-04-29 Boschgotthardshütte O.Breyer GmbH, 5900 Siegen Verfahren zum zweistufigen herstellen von edelbau- und werkzeugstaehlen
JPS5782452A (en) * 1980-11-06 1982-05-22 Sumitomo Metal Ind Ltd Manufacture of nonmagnetic high-manganese steel
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JPS6191319A (ja) * 1984-10-12 1986-05-09 Nippon Kokan Kk <Nkk> ア−クプロセスによる溶鋼の精錬方法
JPS61163207A (ja) * 1985-01-11 1986-07-23 Daido Steel Co Ltd マルチプロセスによる合金鋼の製法
DE3601337A1 (de) * 1986-01-16 1987-07-23 Mannesmann Ag Verfahren zur herstellung hochlegierter staehle im sauerstoffblaskonverter
CA1311787C (en) * 1986-06-24 1992-12-22 Masahisa Tate Method of bottom blowing operation of a steel making electric furnace
DE3629055A1 (de) * 1986-08-27 1988-03-03 Kloeckner Cra Tech Verfahren zum gesteigerten energieeinbringen in elektrolichtbogenoefen
JPH01162713A (ja) * 1987-12-17 1989-06-27 Shinagawa Refract Co Ltd スクラップ溶解方法
US4913732A (en) * 1988-05-19 1990-04-03 Nkk Corporation Method for smelting reduction in electric furnace
JPH0234715A (ja) * 1988-07-25 1990-02-05 Sumitomo Electric Ind Ltd 鋼の溶解及び二次精錬方法
JP2615213B2 (ja) * 1989-07-26 1997-05-28 三菱重工業株式会社 １２Ｃｒ鋳鋼の溶解方法
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JPH05117739A (ja) * 1991-10-25 1993-05-14 Sumitomo Electric Ind Ltd 鋼の溶解及び二次精練方法
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AT396942B (de) * 1991-12-16 1993-12-27 Voest Alpine Ind Anlagen Verfahren zum herstellen von metallschmelzen, insbesondere stahlschmelzen
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Also Published As

Publication number Publication date
EP0721990A1 (de) 1996-07-17
US6077324A (en) 2000-06-20
DE59606475D1 (de) 2001-04-05
TR199600032A2 (tr) 1996-08-21
TW363081B (en) 1999-07-01
JP4195106B2 (ja) 2008-12-10
JPH08225880A (ja) 1996-09-03
EP0721990B1 (de) 2001-02-28
CN1134984A (zh) 1996-11-06
AT403293B (de) 1997-12-29
ATA5595A (de) 1997-05-15
ZA96281B (en) 1996-07-31
KR960029466A (ko) 1996-08-17

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25G Requested change of headquarter approved
B25A Requested transfer of rights approved

Free format text: VAI TECHNOMETAL GMBH (DE)

B25D Requested change of name of applicant approved

Owner name: SIEMENS VAI METALS TECHNOLOGIES GMBH (DE)

Free format text: ALTERADO DE: VAI TECHNOMETAL GMBH

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 2255 DE 25/03/2014 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 16A, 17A, 18A, 19A E 20A 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 2605 DE 08-12-2020 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.