BRPI1012212A2 - processo para espumação de escória de uma massa fundida de aço não inoxidável em um forno de arco elétrico - Google Patents

processo para espumação de escória de uma massa fundida de aço não inoxidável em um forno de arco elétrico

Info

Publication number
BRPI1012212A2
BRPI1012212A2 BRPI1012212A BRPI1012212A BRPI1012212A2 BR PI1012212 A2 BRPI1012212 A2 BR PI1012212A2 BR PI1012212 A BRPI1012212 A BR PI1012212A BR PI1012212 A BRPI1012212 A BR PI1012212A BR PI1012212 A2 BRPI1012212 A2 BR PI1012212A2
Authority
BR
Brazil
Prior art keywords
stainless steel
electric arc
arc furnace
molten mass
steel molten
Prior art date
Application number
BRPI1012212A
Other languages
English (en)
Inventor
Johann Reichel
Lutz Rose
Original Assignee
Sms Siemag Aktiengegesellschaft
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 Sms Siemag Aktiengegesellschaft filed Critical Sms Siemag Aktiengegesellschaft
Publication of BRPI1012212A2 publication Critical patent/BRPI1012212A2/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
    • C21C5/527—Charging of the 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
    • 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
    • C21C7/0087—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
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • C21C2005/366—Foam slags
    • 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
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • C21C2007/0062—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires with introduction of alloying or treating agents under a compacted form different from a wire, e.g. briquette, pellet
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/02—Foam creation
    • 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)
  • Analytical Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BRPI1012212A 2009-05-08 2010-05-07 processo para espumação de escória de uma massa fundida de aço não inoxidável em um forno de arco elétrico BRPI1012212A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009020494A DE102009020494A1 (de) 2009-05-08 2009-05-08 Verfahren zum Schlackeschäumen einer Nichtrostfrei-Stahlschmelze in einem Elektrolichtbogenofen
PCT/EP2010/002813 WO2010127869A1 (de) 2009-05-08 2010-05-07 Verfahren zum schlackeschäumen einer nichtrostfrei-stahlschmelze in einem elektrolichtbogenofen

Publications (1)

Publication Number Publication Date
BRPI1012212A2 true BRPI1012212A2 (pt) 2016-04-05

Family

ID=42352205

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1012212A BRPI1012212A2 (pt) 2009-05-08 2010-05-07 processo para espumação de escória de uma massa fundida de aço não inoxidável em um forno de arco elétrico

Country Status (6)

Country Link
US (1) US8764879B2 (pt)
EP (1) EP2427581B1 (pt)
CN (1) CN102414330A (pt)
BR (1) BRPI1012212A2 (pt)
DE (1) DE102009020494A1 (pt)
WO (1) WO2010127869A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102906280B (zh) * 2010-05-18 2015-09-30 技术资源有限公司 直接熔炼方法
KR102146751B1 (ko) * 2020-06-12 2020-08-21 (주)포스코케미칼 저취 내화물 구조
CN115478127B (zh) * 2022-09-21 2024-01-09 北京力科华越新材料科技有限公司 一种生物质发泡剂及其制备方法和在电弧炉泡沫渣埋弧炼钢中的应用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767449A (en) * 1985-05-21 1988-08-30 Union Carbide Corporation Process for agglomerating ore concentrate utilizing clay and dispersions of polymer binders or dry polymer binders
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
CA2241574C (en) * 1997-08-01 2004-01-06 Exothermic Distribution Corporation Composite briquette for electric furnace charge
US6565623B2 (en) * 2001-03-20 2003-05-20 Startec Iron Llc Method and apparatus for curing self-reducing agglomerates
DE10323505A1 (de) * 2003-05-24 2004-12-09 Sms Demag Ag Verfahren zur Erzeugung einer Schaumschlacke auf hochchromhaltigen Schmelzen in einem Elektroofen
DE102006004532B4 (de) * 2006-02-01 2014-10-09 Sms Siemag Aktiengesellschaft Verfahren zur Erzeugung einer Schaumschlacke in einer metallischen Schmelze
DE102007006529A1 (de) 2007-02-09 2008-08-14 Sms Demag Ag Verfahren und Reduktion einer hochchromhaltigen Schlacke in einem Elektrolichtbogenofen
DE102008032975A1 (de) * 2008-07-07 2010-01-14 Sms Siemag Aktiengesellschaft Verfahren zur Erzeugung von Schaumschlacke

Also Published As

Publication number Publication date
CN102414330A (zh) 2012-04-11
US8764879B2 (en) 2014-07-01
EP2427581A1 (de) 2012-03-14
DE102009020494A1 (de) 2010-11-11
US20120048065A1 (en) 2012-03-01
WO2010127869A1 (de) 2010-11-11
EP2427581B1 (de) 2018-07-11

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Legal Events

Date Code Title Description
B25F Entry of change of name and/or headquarter and transfer of application, patent and certif. of addition of invention: change of name on requirement

Owner name: SMS SIEMAG AKTIENGEGESELLSCHAFT (DE)

B25A Requested transfer of rights approved

Owner name: SMS GROUP GMBH (DE)

B25L Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: publication cancelled

Owner name: SMS SIEMAG AKTIENGEGESELLSCHAFT (DE)

B25D Requested change of name of applicant approved

Owner name: SMS GROUP GMBH (DE)

B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time