ATE268388T1 - Verfahren zur herstellung einer metallmasse, metallurgisches produkt und dessen verwendung - Google Patents

Verfahren zur herstellung einer metallmasse, metallurgisches produkt und dessen verwendung

Info

Publication number
ATE268388T1
ATE268388T1 AT99941932T AT99941932T ATE268388T1 AT E268388 T1 ATE268388 T1 AT E268388T1 AT 99941932 T AT99941932 T AT 99941932T AT 99941932 T AT99941932 T AT 99941932T AT E268388 T1 ATE268388 T1 AT E268388T1
Authority
AT
Austria
Prior art keywords
top slag
melt
doping agent
reduction
producing
Prior art date
Application number
AT99941932T
Other languages
English (en)
Inventor
M Rten Goernerup
Original Assignee
Uddeholm Technology Aktiebolag
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 Uddeholm Technology Aktiebolag filed Critical Uddeholm Technology Aktiebolag
Application granted granted Critical
Publication of ATE268388T1 publication Critical patent/ATE268388T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%
    • C22C33/0271—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5% with only C, Mn, Si, P, S, As as alloying elements, e.g. carbon steel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
    • 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
    • C21C5/005—Manufacture 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
    • 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
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the 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
    • 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
    • C21C5/54—Processes yielding slags of special composition
    • 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
    • C21C7/0006—Adding metallic additives
    • 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/248—Binding; Briquetting ; Granulating of metal scrap or alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F2009/0804—Dispersion in or on liquid, other than with sieves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/086—Cooling after atomisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
AT99941932T 1998-09-03 1999-07-19 Verfahren zur herstellung einer metallmasse, metallurgisches produkt und dessen verwendung ATE268388T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9802976A SE512757C2 (sv) 1998-09-03 1998-09-03 Tillsats av dopingmedel vid tillverkning av stål i ljusbågsugn, dopingmedlet samt användning av detta
PCT/SE1999/001290 WO2000014287A1 (en) 1998-09-03 1999-07-19 Method for the production of a bulk of molten metal, a metallurgical product, and use of such a product

Publications (1)

Publication Number Publication Date
ATE268388T1 true ATE268388T1 (de) 2004-06-15

Family

ID=20412470

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99941932T ATE268388T1 (de) 1998-09-03 1999-07-19 Verfahren zur herstellung einer metallmasse, metallurgisches produkt und dessen verwendung

Country Status (8)

Country Link
US (1) US6689189B1 (de)
EP (1) EP1117845B8 (de)
AT (1) ATE268388T1 (de)
AU (1) AU5540599A (de)
DE (1) DE69917793T2 (de)
ES (1) ES2222722T3 (de)
SE (1) SE512757C2 (de)
WO (1) WO2000014287A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE517296C2 (sv) * 2000-02-17 2002-05-21 Uddeholm Technology Ab Sätt vid tillverkning av stål i ljusbågsugn under användande av granulerat tackjärn
US7736693B2 (en) * 2002-06-13 2010-06-15 Cima Nanotech Israel Ltd. Nano-powder-based coating and ink compositions
US7601406B2 (en) * 2002-06-13 2009-10-13 Cima Nanotech Israel Ltd. Nano-powder-based coating and ink compositions
US7566360B2 (en) * 2002-06-13 2009-07-28 Cima Nanotech Israel Ltd. Nano-powder-based coating and ink compositions
DE10323505A1 (de) 2003-05-24 2004-12-09 Sms Demag Ag Verfahren zur Erzeugung einer Schaumschlacke auf hochchromhaltigen Schmelzen in einem Elektroofen
US8105472B2 (en) * 2005-06-10 2012-01-31 Cima Nanotech Israel Ltd. Enhanced transparent conductive coatings and methods for making them
DE102007006529A1 (de) * 2007-02-09 2008-08-14 Sms Demag Ag Verfahren und Reduktion einer hochchromhaltigen Schlacke in einem Elektrolichtbogenofen
DE102007050478A1 (de) 2007-10-23 2009-04-30 Sms Demag Ag Verfahren zur Rostfreistahlerzeugung mit Direktreduktionsöfen für Ferrochrom und Ferronickel auf der Primärseite eines Konverters
DE102010004983A1 (de) 2010-01-19 2011-07-21 SMS Siemag Aktiengesellschaft, 40237 Verfahren zur Schaumschlackenerzeugung einer Rostfreischmelze in einem Konverter
CN116287944B (zh) * 2023-04-07 2025-03-04 甘肃酒钢集团宏兴钢铁股份有限公司 一种使用电炉渣钢冶炼300系列不锈钢的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0655508B1 (de) * 1993-11-30 1998-08-19 ACCIAI SPECIALI TERNI S.p.a. Verfahren unter Verwendung von Schaumschlacke bei der Herstellung von rostfreiem Stahl im Elektro-lichtbogenofen
AT400245B (de) * 1993-12-10 1995-11-27 Voest Alpine Ind Anlagen Verfahren und anlage zum herstellen einer eisenschmelze
AU706035B2 (en) * 1995-09-07 1999-06-10 Mintek The production of metal lumps
FR2753205B1 (fr) * 1996-09-12 1998-12-04 Usinor Sacilor Procede pour realiser un laitier moussant au-dessus d'un acier inoxydable en fusion dans un four electrique
AT405054B (de) * 1997-06-18 1999-05-25 Voest Alpine Ind Anlagen Verfahren und anlage zum herstellen einer eisenschmelze unter einsatz von eisenhältigen hüttenwerksreststoffen

Also Published As

Publication number Publication date
SE512757C2 (sv) 2000-05-08
US6689189B1 (en) 2004-02-10
EP1117845A1 (de) 2001-07-25
AU5540599A (en) 2000-03-27
SE9802976L (sv) 2000-03-04
SE9802976D0 (sv) 1998-09-03
EP1117845B1 (de) 2004-06-02
DE69917793D1 (de) 2004-07-08
ES2222722T3 (es) 2005-02-01
EP1117845B8 (de) 2004-09-22
DE69917793T2 (de) 2005-08-18
WO2000014287A1 (en) 2000-03-16

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