TW363081B - Method for producing alloyed steels and plant for carrying out the method - Google Patents

Method for producing alloyed steels and plant for carrying out the method

Info

Publication number
TW363081B
TW363081B TW084113758A TW84113758A TW363081B TW 363081 B TW363081 B TW 363081B TW 084113758 A TW084113758 A TW 084113758A TW 84113758 A TW84113758 A TW 84113758A TW 363081 B TW363081 B TW 363081B
Authority
TW
Taiwan
Prior art keywords
manufacturing step
alloyed steels
oxygen
plant
carrying
Prior art date
Application number
TW084113758A
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
Application granted granted Critical
Publication of TW363081B publication Critical patent/TW363081B/zh

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)
TW084113758A 1995-01-16 1995-12-22 Method for producing alloyed steels and plant for carrying out the method TW363081B (en)

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
TW363081B true TW363081B (en) 1999-07-01

Family

ID=3480337

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084113758A TW363081B (en) 1995-01-16 1995-12-22 Method for producing alloyed steels and plant for carrying out the method

Country Status (11)

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

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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
MXPA01012898A (es) * 1999-06-23 2002-07-30 Sms Demag Ag Metodo para recuperar cromo metalico a partir de escoria que contiene oxido de cromo.
US7094271B2 (en) 2000-10-18 2006-08-22 Sms Demag Ag Method for producing stainless steels, in particular high-grade steels containing chromium and chromium-nickel
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
EP4212637A4 (en) 2020-09-10 2024-02-28 JFE Steel Corporation METHOD FOR PRODUCING LOW PHOSPHORUS MELTED IRON
CN112974738A (zh) * 2021-04-23 2021-06-18 北京科技大学 连铸微合金化生产方法
EP4324940A1 (en) 2021-05-26 2024-02-21 JFE Steel Corporation Method for dephosphorization of molten metal
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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Also Published As

Publication number Publication date
JP4195106B2 (ja) 2008-12-10
US6077324A (en) 2000-06-20
KR960029466A (ko) 1996-08-17
ZA96281B (en) 1996-07-31
DE59606475D1 (de) 2001-04-05
EP0721990B1 (de) 2001-02-28
TR199600032A2 (tr) 1996-08-21
CN1134984A (zh) 1996-11-06
BR9600097A (pt) 1998-01-27
EP0721990A1 (de) 1996-07-17
JPH08225880A (ja) 1996-09-03
AT403293B (de) 1997-12-29
ATA5595A (de) 1997-05-15

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees