[go: up one dir, main page]

BR8907341A - Processo e aparelho para preaquecer e pre-reduzir material que contem oxido de metal - Google Patents

Processo e aparelho para preaquecer e pre-reduzir material que contem oxido de metal

Info

Publication number
BR8907341A
BR8907341A BR898907341A BR8907341A BR8907341A BR 8907341 A BR8907341 A BR 8907341A BR 898907341 A BR898907341 A BR 898907341A BR 8907341 A BR8907341 A BR 8907341A BR 8907341 A BR8907341 A BR 8907341A
Authority
BR
Brazil
Prior art keywords
preach
metal oxide
material containing
containing metal
reduce material
Prior art date
Application number
BR898907341A
Other languages
English (en)
Inventor
Hans Elvander
Rolf Malmstrom
Original Assignee
Ahlstroem Oy
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
Priority claimed from FI881486A external-priority patent/FI83670C/sv
Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of BR8907341A publication Critical patent/BR8907341A/pt

Links

Classifications

    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
    • C22B5/14—Dry methods smelting of sulfides or formation of mattes by gases fluidised material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR898907341A 1988-03-30 1989-03-29 Processo e aparelho para preaquecer e pre-reduzir material que contem oxido de metal BR8907341A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI881486A FI83670C (sv) 1988-03-30 1988-03-30 Förreduktion av metalloxidhaltigt material
FI882975A FI84841C (sv) 1988-03-30 1988-06-22 Förfarande och anordning för reduktion av metalloxidhaltigt material
PCT/FI1989/000057 WO1989009290A1 (en) 1988-03-30 1989-03-29 Method and apparatus for reduction of material containing metal oxide

Publications (1)

Publication Number Publication Date
BR8907341A true BR8907341A (pt) 1991-03-19

Family

ID=26158327

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898907341A BR8907341A (pt) 1988-03-30 1989-03-29 Processo e aparelho para preaquecer e pre-reduzir material que contem oxido de metal

Country Status (15)

Country Link
US (1) US4976776A (pt)
EP (1) EP0422004B1 (pt)
JP (1) JPH0610298B2 (pt)
KR (1) KR930004475B1 (pt)
CN (1) CN1019025B (pt)
AU (1) AU612028B2 (pt)
BR (1) BR8907341A (pt)
CA (1) CA1337921C (pt)
CZ (1) CZ281178B6 (pt)
DE (1) DE68909047T2 (pt)
FI (1) FI84841C (pt)
HU (1) HU207124B (pt)
PL (1) PL161929B1 (pt)
RU (1) RU1811539C (pt)
WO (1) WO1989009290A1 (pt)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0446860B1 (en) * 1990-03-13 1996-06-12 Cra Services Limited A process for producing metals and metal alloys in a smelt reduction vessel
US5137566A (en) * 1990-08-01 1992-08-11 Iron Carbide Holdings, Limited Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
DE69130827D1 (de) * 1990-08-01 1999-03-11 Iron Carbide Holdings Ltd Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid
US5228901A (en) * 1991-02-25 1993-07-20 Idaho Research Foundation, Inc. Partial reduction of particulate iron ores and cyclone reactor
DE4115348C2 (de) * 1991-05-10 2000-08-10 Deutz Ag Verfahren zur Hochtemperaturbehandlung von feinkörnigen Feststoffen in einem Schmelzzyklon
DE4131962C2 (de) * 1991-09-25 1998-03-26 Hismelt Corp Pty Ltd Verfahren und Vorrichtung zur Behandlung von heissen Gasen mit Feststoffen in einem Wirbelbett
US5258054A (en) * 1991-11-06 1993-11-02 Ebenfelt Li W Method for continuously producing steel or semi-steel
NL9500264A (nl) * 1995-02-13 1996-09-02 Hoogovens Staal Bv Werkwijze voor het produceren van vloeibaar ruwijzer.
NL9500600A (nl) * 1995-03-29 1996-11-01 Hoogovens Staal Bv Inrichting voor het produceren van vloeibaar ruwijzer door directe reductie.
AUPN226095A0 (en) 1995-04-07 1995-05-04 Technological Resources Pty Limited A method of producing metals and metal alloys
AT403381B (de) * 1996-06-10 1998-01-26 Voest Alpine Ind Anlagen Verfahren und anlage zum chargieren von metallträgern in eine einschmelzvergasungszone
IT1284200B1 (it) * 1996-07-31 1998-05-08 Sviluppo Materiali Spa Procedimento per la produzione diretta di ghisa a partire da materiale ferrifero ed apparecchiatura idonea per l'esecuzione di
US5810906A (en) * 1996-08-28 1998-09-22 Iron Carbide Holdings, Ltd. Method for preheating feed materials for the production of iron carbide
AUPO426096A0 (en) 1996-12-18 1997-01-23 Technological Resources Pty Limited Method and apparatus for producing metals and metal alloys
AUPO426396A0 (en) 1996-12-18 1997-01-23 Technological Resources Pty Limited A method of producing iron
US6214084B1 (en) * 1997-09-03 2001-04-10 The Boc Group, Inc. Iron manufacturing process
AUPO944697A0 (en) * 1997-09-26 1997-10-16 Technological Resources Pty Limited A method of producing metals and metal alloys
GB9812169D0 (en) 1998-06-05 1998-08-05 Univ Cambridge Tech Purification method
AUPP442598A0 (en) 1998-07-01 1998-07-23 Technological Resources Pty Limited Direct smelting vessel
MY119760A (en) 1998-07-24 2005-07-29 Tech Resources Pty Ltd A direct smelting process
AUPP483898A0 (en) 1998-07-24 1998-08-13 Technological Resources Pty Limited A direct smelting process & apparatus
AUPP554098A0 (en) 1998-08-28 1998-09-17 Technological Resources Pty Limited A process and an apparatus for producing metals and metal alloys
AUPP570098A0 (en) 1998-09-04 1998-10-01 Technological Resources Pty Limited A direct smelting process
AUPP647198A0 (en) * 1998-10-14 1998-11-05 Technological Resources Pty Limited A process and an apparatus for producing metals and metal alloys
AUPP805599A0 (en) 1999-01-08 1999-02-04 Technological Resources Pty Limited A direct smelting process
AUPQ083599A0 (en) 1999-06-08 1999-07-01 Technological Resources Pty Limited Direct smelting vessel
AUPQ152299A0 (en) 1999-07-09 1999-08-05 Technological Resources Pty Limited Start-up procedure for direct smelting process
AT407530B (de) * 1999-07-29 2001-04-25 Voest Alpine Ind Anlagen Verfahren zum ausbringen von feinteilchenförmigem material aus einem wirbelbett
AUPQ205799A0 (en) 1999-08-05 1999-08-26 Technological Resources Pty Limited A direct smelting process
AUPQ213099A0 (en) 1999-08-10 1999-09-02 Technological Resources Pty Limited Pressure control
AUPQ308799A0 (en) 1999-09-27 1999-10-21 Technological Resources Pty Limited A direct smelting process
AUPQ346399A0 (en) 1999-10-15 1999-11-11 Technological Resources Pty Limited Stable idle procedure
AUPQ365799A0 (en) 1999-10-26 1999-11-18 Technological Resources Pty Limited A direct smelting apparatus and process
US6602321B2 (en) 2000-09-26 2003-08-05 Technological Resources Pty. Ltd. Direct smelting process
DE10260733B4 (de) 2002-12-23 2010-08-12 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
TWI381897B (zh) * 2004-12-22 2013-01-11 Taiyo Nippon Sanso Corp 金屬超微粉之製造方法
EP2341307A1 (en) * 2009-12-22 2011-07-06 Tata Steel IJmuiden BV Method and apparatus for continuous combined melting and steel making
WO2014149045A1 (en) * 2013-03-20 2014-09-25 Empire Technology Development Llc Corrosion reduction for supercritical water gasification through seeded sacrificial metal
CN106702157A (zh) * 2015-08-01 2017-05-24 江学艺 金属矿的还原处理方法及金属矿的还原处理炉
CN110938725B (zh) * 2019-11-25 2020-10-16 中南大学 一种金属氧化物高效还原系统及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033673A (en) * 1960-05-03 1962-05-08 Elektrokemisk As Process of reducing iron oxides
US3997333A (en) * 1975-02-26 1976-12-14 Westinghouse Electric Corporation Process for the reduction of complex metallic ores
SE395017B (sv) * 1975-07-04 1977-07-25 Boliden Ab Forfarande for att ur finfordelade metalloxidhaltiga material framstella en forreducerad produkt, varvid materialet smeltes och reduceras under fall genom ett schakt
US4087274A (en) * 1975-07-04 1978-05-02 Boliden Aktiebolag Method of producing a partially reduced product from finely-divided metal sulphides
US4073642A (en) * 1975-09-04 1978-02-14 Stora Kopparbergs Bergslags Aktiebolag Method for reducing material containing iron oxides
SE419129B (sv) * 1979-05-29 1981-07-13 Stora Kopparbergs Bergslags Ab Anordning for reduktion av finfordelat jernoxidhaltigt material i en cirkulerande flytbedd
EP0063924B2 (en) * 1981-04-28 1990-03-14 Kawasaki Steel Corporation Methods for melting and refining a powdery ore containing metal oxides and apparatuses for melt-refining said ore
DE3318005C2 (de) * 1983-05-18 1986-02-20 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zur Eisenherstellung
JPH079015B2 (ja) * 1985-07-19 1995-02-01 株式会社神戸製鋼所 鉄鉱石の溶融還元方法
DE3540541A1 (de) * 1985-11-15 1987-05-21 Metallgesellschaft Ag Verfahren zur reduktion von hoeheren metalloxiden zu niedrigen metalloxiden

Also Published As

Publication number Publication date
PL278546A1 (en) 1989-12-11
EP0422004A1 (en) 1991-04-17
DE68909047D1 (de) 1993-10-14
CN1036990A (zh) 1989-11-08
PL161929B1 (pl) 1993-08-31
RU1811539C (ru) 1993-04-23
JPH03503659A (ja) 1991-08-15
CN1019025B (zh) 1992-11-11
FI882975A0 (fi) 1988-06-22
CA1337921C (en) 1996-01-16
DE68909047T2 (de) 1994-03-03
EP0422004B1 (en) 1993-09-08
HU892110D0 (en) 1990-12-28
CZ189489A3 (en) 1996-02-14
HU207124B (en) 1993-03-01
FI84841C (sv) 1992-01-27
CZ281178B6 (cs) 1996-07-17
AU612028B2 (en) 1991-06-27
US4976776A (en) 1990-12-11
FI882975A (fi) 1989-10-01
AU3437789A (en) 1989-10-16
HUT53945A (en) 1990-12-28
KR900700639A (ko) 1990-08-16
JPH0610298B2 (ja) 1994-02-09
FI84841B (fi) 1991-10-15
KR930004475B1 (ko) 1993-05-27
WO1989009290A1 (en) 1989-10-05

Similar Documents

Publication Publication Date Title
BR8907341A (pt) Processo e aparelho para preaquecer e pre-reduzir material que contem oxido de metal
BR8907179A (pt) Processo e aparelho particularmente para guiar operacoes neurocirurgicas
BR8109030A (pt) Processo e composicao para o tratamento do acne
BR8706331A (pt) Metodo e aparelho para tratamento de material particulado
BR8503918A (pt) Composicao condutivas termocuraveis e processo para sua utilizacao
BR8807252A (pt) Processo e aparelho para produzir um material laminado e material laminado obtido
BR8601651A (pt) Processo e dispositivo para o esvaziamento de fardos de fibras
BR8700558A (pt) Processo e aparelho para o processamento biologico de minerios contendo metal
PT89723A (pt) Processo e aparelho de armazenagem termica
BR8602935A (pt) Metodo e aparelho para a exibicao de caracteres realcados de matriz de pontos
BR8902306A (pt) Composicao e processo para sua preparacao
BR8900679A (pt) Aparelho e processo para medir velocidade
BR8207572A (pt) Composicoes desespumadoras e processo para sua preparacao
PT89499A (pt) Processo e manga de tingir para a compactacao uniforme de fios
BR8902135A (pt) Processo e aparelho para identificar objetos ou zonas especificos
FI871418A (fi) Suoja- ja verhousmateriaali
BR8203994A (pt) Processo e matriz adaptada para trefilacao de arame
BR8902133A (pt) Processo,e aparelho,para identificar pedras preciosas
BR9004515A (pt) Processo e dispositivo para o avanco em sucessao de produtos achatados
BR8800927A (pt) Composicao polimerica e processo para acidificacao de fratura
BR8604190A (pt) Processo e aparelho para producao de ornamento
BR8901884A (pt) Processo e dispositivo para producao de bobinas
BR8501551A (pt) Composicao explosiva vazada e processo para sua formulacao
BR8902138A (pt) Processo e aparelho para identificar objetos ou zonas especificos
BR8109011A (pt) Processo e aparelho para sinterizacao com succao

Legal Events

Date Code Title Description
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
GB Transfer
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 29/03/2009