BR0107801A - Processo para tratar escórias ou misturas de escórias - Google Patents

Processo para tratar escórias ou misturas de escórias

Info

Publication number
BR0107801A
BR0107801A BR0107801A BR0107801A BR0107801A BR 0107801 A BR0107801 A BR 0107801A BR 0107801 A BR0107801 A BR 0107801A BR 0107801 A BR0107801 A BR 0107801A BR 0107801 A BR0107801 A BR 0107801A
Authority
BR
Brazil
Prior art keywords
slag
weight
steel
treating
mixtures
Prior art date
Application number
BR0107801A
Other languages
English (en)
Other versions
BR0107801B1 (pt
Inventor
Alfred Edlinger
Original Assignee
Holcim Ltd
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 Holcim Ltd filed Critical Holcim Ltd
Publication of BR0107801A publication Critical patent/BR0107801A/pt
Publication of BR0107801B1 publication Critical patent/BR0107801B1/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B5/00Treatment of  metallurgical  slag ; Artificial stone from molten  metallurgical  slag 
    • C04B5/06Ingredients, other than water, added to the molten slag or to the granulating medium or before remelting; Treatment with gases or gas generating compounds, e.g. to obtain porous slag
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B3/00General features in the manufacture of pig-iron
    • C21B3/04Recovery of by-products, e.g. slag
    • C21B3/06Treatment of liquid slag
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/36Processes yielding slags of special composition
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0025Adding carbon material
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0087Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04Working-up slag
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/02Physical or chemical treatment of slags
    • C21B2400/022Methods of cooling or quenching molten slag
    • C21B2400/028Methods of cooling or quenching molten slag with the permanent addition of cooled slag or other solids
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

"PROCESSO PARA TRATAR ESCóRIAS OU MISTURAS DE ESCóRIAS". A invenção refere-se a um processo para tratar escórias ou misturas de escórias com um teor de óxido de ferro de > 5%, em peso, especialmente escórias de aciarias, no qual as escórias de aço são eventualmente misturadas com outras escórias em um banho de metal, aplica-se como banho de metal um banho de aço com um teor de C de < 1,5%, em peso, de preferência, < 0,5%, em peso e o banho de aço após o emprego das escórias de acima para mais de 2,0%, em peso de C, de preferência, > 2,5%, em peso, é carburado pela introdução de carbono ou de veículos de carbono.
BRPI0107801-1A 2000-01-28 2001-01-18 processo para tratar escàrias ou misturas de escàrias. BR0107801B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT652000 2000-01-28
PCT/AT2001/000010 WO2001055459A1 (de) 2000-01-28 2001-01-18 Verfahren zum behandeln von schlacken oder schlackengemischen auf einem eisenbad

Publications (2)

Publication Number Publication Date
BR0107801A true BR0107801A (pt) 2002-10-22
BR0107801B1 BR0107801B1 (pt) 2009-01-13

Family

ID=3480585

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0107801-1A BR0107801B1 (pt) 2000-01-28 2001-01-18 processo para tratar escàrias ou misturas de escàrias.

Country Status (22)

Country Link
US (1) US6843828B2 (pt)
EP (1) EP1252343B1 (pt)
JP (1) JP4249417B2 (pt)
KR (1) KR100580347B1 (pt)
CN (1) CN1292080C (pt)
AR (1) AR027285A1 (pt)
AU (1) AU778627B2 (pt)
BR (1) BR0107801B1 (pt)
CA (1) CA2398344C (pt)
CZ (1) CZ297883B6 (pt)
DE (1) DE50100439D1 (pt)
ES (1) ES2203588T3 (pt)
HU (1) HUP0203820A2 (pt)
MX (1) MXPA02007083A (pt)
PL (1) PL194977B1 (pt)
PT (1) PT1252343E (pt)
RU (1) RU2238331C2 (pt)
SK (1) SK286013B6 (pt)
TW (1) TW533243B (pt)
UA (1) UA74810C2 (pt)
WO (1) WO2001055459A1 (pt)
ZA (1) ZA200205111B (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT412283B (de) * 2003-05-16 2004-12-27 Voest Alpine Ind Anlagen Verfahren zum verwerten von schlacke
AT412723B (de) * 2003-06-30 2005-06-27 Patco Engineering Gmbh Verfahren zum konditionieren von schlacken und stäuben aus der edelstahlherstellung
US7935172B2 (en) * 2004-01-30 2011-05-03 Technological Resources Pty Limited Ironmaking and steelmaking
BRPI0511154B1 (pt) * 2004-05-18 2014-02-18 MÉTODO PARA REDUÇÃO DE Cr EM ESCÓRIAS METALÚRGICAS CONTENDO Cr
CN102019286B (zh) * 2010-12-13 2011-11-09 济南鲍安环保技术开发有限公司 一种磁选后钢渣尾渣的处理方法
KR101257054B1 (ko) 2011-06-28 2013-04-22 현대제철 주식회사 슬러지를 이용한 전기로용 스크랩 제조방법
WO2014003127A1 (ja) 2012-06-27 2014-01-03 新日鐵住金株式会社 製鋼スラグ還元処理装置及び製鋼スラグ還元処理システム
EP3026126B8 (en) 2013-07-24 2019-07-31 Nippon Steel Corporation Exhaust gas treatment method
JP5967294B2 (ja) * 2013-07-25 2016-08-10 Jfeスチール株式会社 セメント原料用高炉水砕スラグおよびその選別方法
CN103710480B (zh) * 2013-12-06 2016-01-20 济南鲍德炉料有限公司 一种液态钢渣余热还原铁矿石的生产方法
WO2018110174A1 (ja) 2016-12-16 2018-06-21 新日鐵住金株式会社 電気炉
US11473841B2 (en) 2016-12-16 2022-10-18 Nippon Steel Corporation Electric furnace
DE102017119675B4 (de) * 2017-08-28 2019-07-04 Voestalpine Stahl Gmbh Verfahren zur Behandlung von Schlacke
CN111440918A (zh) * 2020-04-07 2020-07-24 包头钢铁(集团)有限责任公司 一种利用回收资源对脱磷渣去泡沫化的方法
JP7128602B1 (ja) 2022-03-11 2022-08-31 山田 榮子 産業廃棄物の少ない屑鉄の溶解方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO136620C (no) * 1972-02-15 1977-10-05 Graenges Ab Fremgangsm}te ved fremstilling av sement fra metallurgisk slagg
US4304598A (en) * 1980-09-19 1981-12-08 Klockner-Werke Ag Method for producing steel from solid, iron containing pieces
RU2127765C1 (ru) * 1993-09-07 1999-03-20 "Хольдербанк" Финансьер Гларус АГ Способ получения стали и гидравлически активных связующих из шлаков
HRP970303B1 (en) * 1996-06-05 2002-06-30 Holderbank Financ Glarus Method for making pozzolans, synthetic blast-furnance slag, belite or alite clinkers, and pig-iron alloys, from oxidic slag and a device for implementing this method
ATE377659T1 (de) * 1997-09-15 2007-11-15 Holcim Ltd Verfahren zum aufarbeiten von stahlschlacken und eisenträgern zur gewinnung von roheisen und umweltverträglichen schlacken

Also Published As

Publication number Publication date
KR20020090212A (ko) 2002-11-30
JP4249417B2 (ja) 2009-04-02
RU2238331C2 (ru) 2004-10-20
MXPA02007083A (es) 2004-09-06
US6843828B2 (en) 2005-01-18
AU2652201A (en) 2001-08-07
ZA200205111B (en) 2003-12-31
WO2001055459A1 (de) 2001-08-02
BR0107801B1 (pt) 2009-01-13
HUP0203820A2 (en) 2003-04-28
SK9562002A3 (en) 2003-04-01
CZ297883B6 (cs) 2007-04-18
DE50100439D1 (de) 2003-09-04
CN1401009A (zh) 2003-03-05
ES2203588T3 (es) 2004-04-16
CN1292080C (zh) 2006-12-27
AR027285A1 (es) 2003-03-19
CA2398344C (en) 2008-04-08
SK286013B6 (sk) 2008-01-07
KR100580347B1 (ko) 2006-05-16
CA2398344A1 (en) 2001-08-02
US20030140732A1 (en) 2003-07-31
EP1252343A1 (de) 2002-10-30
AU778627B2 (en) 2004-12-16
PL356415A1 (en) 2004-06-28
CZ20022782A3 (cs) 2003-03-12
TW533243B (en) 2003-05-21
EP1252343B1 (de) 2003-07-30
JP2003520899A (ja) 2003-07-08
PT1252343E (pt) 2003-12-31
RU2002123053A (ru) 2004-02-20
UA74810C2 (en) 2006-02-15
PL194977B1 (pl) 2007-07-31

Similar Documents

Publication Publication Date Title
BR0107801A (pt) Processo para tratar escórias ou misturas de escórias
ITOH et al. Deoxidation equilibrium of magnesium in liquid iron
AU2002349219A1 (en) Method for stabilizing and conditioning urban and industrial wastewater sludge
BR9908505A (pt) Material útil como catalisador, processo para a hidrogenação de alfa, omega-dinitrilas na presença de um catalisador, e, uso da materiais
BR9806267A (pt) Processo para o tratamento de escórias de aço e substratos de ferro para obtenção de ferro bruto e de escórias compatìveis com o meio ambiente
ATE273093T1 (de) Giesspulver und verfahren zum stranggiessen von stahl
BR0011949A (pt) Processo para a recuperação de cromo metálico a partir de escórias contendo óxido de cromo
BR0209426A (pt) Mistura gasosa protetora útil para brasagem mig de aço galvanizado, e, processo com metal e gás inerte (mig) para a brasagem de aços galvanizados
BR9801203A (pt) Método para o processamento, em grande quantidade, de substâncias contendo óxido de cromo, método para a utilização das substâncias processadas, e produtos que compreendem as substâncias processadas.
BR0111084A (pt) Processo de tratamento de uma escória de aciaria, escória ld tratada e material
BRPI0418087A (pt) agente de dessulfuração dos aços e processo de dessulfuração do aço
BR0107890A (pt) Processo para descromar e/ou desniquelar escórias lìquidas
BR9805980A (pt) Processo de produção de ferro-gusa lìquido ou pré-produtos de aço lìquido
BR9800794A (pt) Processo de escória espumante através do uso de lança de m·ltiplos circuitos.
BR0112641A (pt) Rodas ferroviárias resistentes à transformação martensìtica
ES2150136T3 (es) Tratamiento de escorias.
US2817612A (en) Process and quenching bath for hardening steel articles
DE3772511D1 (de) Mit kalzium behandelter, bor enthaltender stahl mit verbesserter zerspannbarkeit.
AU2554100A (en) Desulphurizing mixture based on calcium carbide and/or lime
BR9811891A (pt) Método e equipamento para processamento de materiais residuais de usinas de fundição contendo ferro e óleo
BR9902970A (pt) Método de produção de aço.
SU1689404A1 (ru) Твердая шлакообразующая смесь
SU834205A1 (ru) Марганцовистый чугун
Guo et al. Effect of converter steelmaking slag on desiliconization and dephosphorization of hot metal.
SU945115A1 (ru) Реагент дл обработки шлакового расплава

Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/01/2001, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved

Owner name: HOLCIM TECHNOLOGY LTD. (CH)

Free format text: TRANSFERIDO DE: HOLCIM LTD.

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

Free format text: REFERENTE A 18A ANUIDADE.

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 2497 DE 13-11-2018 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.