ATE163202T1 - Vorwärmen und vorreduzieren von metalloxiderzen unter verwendung von abgasen hoher temperatur - Google Patents

Vorwärmen und vorreduzieren von metalloxiderzen unter verwendung von abgasen hoher temperatur

Info

Publication number
ATE163202T1
ATE163202T1 AT90908418T AT90908418T ATE163202T1 AT E163202 T1 ATE163202 T1 AT E163202T1 AT 90908418 T AT90908418 T AT 90908418T AT 90908418 T AT90908418 T AT 90908418T AT E163202 T1 ATE163202 T1 AT E163202T1
Authority
AT
Austria
Prior art keywords
particles
stream
pct
high temperature
treatment chamber
Prior art date
Application number
AT90908418T
Other languages
English (en)
Inventor
Robin John Batterham
Roderick Macpherson Grant
James Vincent Happ
Glenn Ashley Thiele
Original Assignee
Cra Services
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 Cra Services filed Critical Cra Services
Application granted granted Critical
Publication of ATE163202T1 publication Critical patent/ATE163202T1/de

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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1836—Heating and cooling the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/32—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with introduction into the fluidised bed of more than one kind of moving particles
    • 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
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
    • 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
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • 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
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Manufacture Of Iron (AREA)
  • Treating Waste Gases (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
AT90908418T 1989-06-02 1990-05-30 Vorwärmen und vorreduzieren von metalloxiderzen unter verwendung von abgasen hoher temperatur ATE163202T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPJ454589 1989-06-02

Publications (1)

Publication Number Publication Date
ATE163202T1 true ATE163202T1 (de) 1998-02-15

Family

ID=3773964

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90908418T ATE163202T1 (de) 1989-06-02 1990-05-30 Vorwärmen und vorreduzieren von metalloxiderzen unter verwendung von abgasen hoher temperatur

Country Status (15)

Country Link
US (1) US5201940A (de)
EP (1) EP0474704B1 (de)
JP (1) JP3136155B2 (de)
KR (1) KR0169483B1 (de)
CN (1) CN1028544C (de)
AT (1) ATE163202T1 (de)
AU (1) AU629949B2 (de)
BR (1) BR9007413A (de)
CA (1) CA2047188A1 (de)
DE (1) DE69032041T2 (de)
ES (1) ES2114861T3 (de)
HU (1) HU209657B (de)
RU (1) RU2111260C1 (de)
WO (1) WO1990015162A1 (de)
ZA (1) ZA904150B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT405650B (de) * 1996-10-08 1999-10-25 Voest Alpine Ind Anlagen Verfahren zum einblasen von metalloxidhältigen feinteilchen in ein reduktionsgas
AT404138B (de) 1996-10-08 1998-08-25 Voest Alpine Ind Anlagen Verfahren zur herstellung von flüssigem roheisen oder stahlvorprodukten sowie anlage zur durchführung des verfahrens
AT404912B (de) * 1996-11-04 1999-03-25 Plansee Ag Verfahren zur herstellung von pulver-pressansätzen für feinkörniges hartmetall
FR2835000B1 (fr) * 2002-01-21 2004-11-05 Delachaux Sa Procede de fabrication d'elements metalliques au moyen d'un creuset
ZA200603111B (en) * 2003-10-21 2007-08-29 Outokumpu Oy Direct smelting plant and process
US20070238899A9 (en) * 2004-09-02 2007-10-11 Robert Lin Optimized production of aromatic dicarboxylic acids
RU2326173C2 (ru) * 2005-11-10 2008-06-10 Ооо "Твинн" Способ прямого восстановления металлов из дисперсного рудного сырья и устройство для его осуществления
UA83452C2 (uk) * 2007-09-24 2008-07-10 Анатолий Тимофеевич Неклеса Установка для відновлення оксидовмісних руд у вигляді часток
DE102009038052B4 (de) 2009-08-19 2012-09-27 Wolfgang Krumm Verhüttungsverfahren durch Einsatz eines vorreduzierten Ilmeniterzstromes und/oder Hämatiterzstromes
WO2017014699A1 (en) * 2015-07-23 2017-01-26 Limastian Narong Method of utilizing furnace off-gas for reduction of iron oxide pellets
SE543341C2 (en) * 2019-04-01 2020-12-08 Greeniron H2 Ab Method and device for producing direct reduced metal
CN111534691A (zh) * 2020-05-18 2020-08-14 明拓集团铬业科技有限公司 一种循环利用密闭矿热炉尾气生产高碳铬铁的工艺
CN112063860B (zh) * 2020-08-31 2022-08-05 中国科学院过程工程研究所 一种从含铬物料中提取铬的方法
CN115710610A (zh) * 2022-10-31 2023-02-24 山东祥桓环境科技有限公司 一种基于煤粉和铁矿粉的富氢冶炼装置及工艺
CN116987880B (zh) * 2023-08-10 2025-10-31 北京科技大学 一种在含ch4的还原气氛条件下铬铁矿球团进行低温还原焙烧预处理方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140168A (en) * 1961-05-31 1964-07-07 Inland Steel Co Reduction of iron ore with hydrogen
US3910769A (en) * 1972-12-06 1975-10-07 Exxon Research Engineering Co Apparatus for fluidized solid systems
US4072504A (en) * 1973-01-26 1978-02-07 Aktiebolaget Svenska Kullagerfabriken Method of producing metal from metal oxides
US4207093A (en) * 1976-10-29 1980-06-10 Meurville Manuel D P De Process for reducing metal oxide containing ores
DE2735565C2 (de) * 1977-08-06 1986-01-02 Carl Still Gmbh & Co Kg, 4350 Recklinghausen Einhitziges Verfahren zur Erzeugung von im wesentlichen aus Kohlenoxid und Wasserstoff bestehenden Reduktionsgasen für Erzreduktionen und Vorrichtung zu seiner Durchführung
DE2843303C2 (de) * 1978-10-04 1982-12-16 Korf-Stahl Ag, 7570 Baden-Baden Verfahren und Anlage zur Erzeugung von flüssigem Roheisen und Reduktionsgas in einem Einschmelzvergaser
SE439932B (sv) * 1980-11-10 1985-07-08 Skf Steel Eng Ab Forfarande for framstellning av metall ur finkorniga metalloxidmaterial
US4428772A (en) * 1981-12-02 1984-01-31 Hylsa, S.A. Method for reducing metal ore
PH22151A (en) * 1983-12-31 1988-06-01 Krupp Gmbh Process for the production of ferrochromium
EP0327862B1 (de) * 1988-02-12 1994-05-18 Klöckner Cra Patent Gmbh Verfahren und Vorrichtung zur Nachverbrennung
NO164608C (no) * 1988-04-20 1990-10-24 Elkem Technology Fremgangsmaate for fremstilling av metaller eller ferrolegeringer ved direkte reduksjon samt kolonne for behandling av finkornede materialer med gass.

Also Published As

Publication number Publication date
AU5722190A (en) 1991-01-07
EP0474704A4 (en) 1993-12-01
US5201940A (en) 1993-04-13
AU629949B2 (en) 1992-10-15
JP3136155B2 (ja) 2001-02-19
HUT58828A (en) 1992-03-30
ZA904150B (en) 1991-08-28
DE69032041D1 (de) 1998-03-19
ES2114861T3 (es) 1998-06-16
BR9007413A (pt) 1992-04-14
RU2111260C1 (ru) 1998-05-20
HU209657B (en) 1994-10-28
DE69032041T2 (de) 1998-10-01
WO1990015162A1 (en) 1990-12-13
EP0474704A1 (de) 1992-03-18
HU905235D0 (en) 1992-02-28
CN1047701A (zh) 1990-12-12
CN1028544C (zh) 1995-05-24
KR0169483B1 (ko) 1999-01-15
KR920701494A (ko) 1992-08-11
JPH04505945A (ja) 1992-10-15
CA2047188A1 (en) 1990-12-03
EP0474704B1 (de) 1998-02-11

Similar Documents

Publication Publication Date Title
DE69032041D1 (de) Vorwärmen und vorreduzieren von metalloxiderzen unter verwendung von abgasen hoher temperatur
RU99113854A (ru) Способ производства рафинированного железа
IE822206L (en) Concentrating iron ore
ATE113324T1 (de) Metalloxydierungsanordnung und verfahren.
ATE222568T1 (de) Verfahren und vorrichtung zur herstellung von eisenoxiden aus salzsauren eisenchloridhaltigen lösungen
EP0487856A3 (en) Process for producing pig iron or reduced iron
BR8907839A (pt) Processo e aparelho para fornecer oxidos de ferro pre-reduzidos a um vaso parafusao e processo para a producao de ferro e/ou ligas de ferro a partir de oxidos de ferro
TR25490A (tr) PARTIKüL HALDE MALZEMENIN ISTILMASI VE MUAMELE EDILMESI
TW274054B (de)
DE69118892D1 (de) Rückgewinnung von metallen aus schrott
KR100240812B1 (ko) 철산화물-함유 물질의 직접 환원에서 금속 더스팅을 방지하는 방법 및 그 방법을 수행하기 위한 플랜트
SE9303237D0 (sv) Verfahren zum hartbrennen von eisenoxidhaltigen pellets
SE8502708D0 (sv) Verfahren und einrichtung zur behandlung von schmelzflussigen nichteisenmetallen und/oder deren schlacken durch aufblasen von reaktionsgasen
CA1053907A (en) Process for the thermal treatment of lateritic nickel ore
JPS5928518A (ja) 雰囲気ガスを循環使用する熱処理炉
DE69610404D1 (de) Verfahren und Vorrichtung zur Wärmebehandlung metallischer Werkstücke unter Schutzgas
RU2294377C1 (ru) Способ подачи природного газа в доменную печь
JPS62227020A (ja) 溶融還元炉で発生した還元ガスの改質・加熱方法
Rozengart et al. Reduction of Iron Ore Raw Material by Converter Gas Removed Without Complete Combustion of Carbon Monoxide
JPS62227008A (ja) 鉄鉱石の溶融還元法
JPH02192591A (ja) プラズマ加熱炉のＮＯｘ低減方法
RU94018516A (ru) Способ получения жидкого чугуна из кусковой железной руды
Si et al. Carbon Transfer Characteristics and Its Application on Gas Carburizing
Qin et al. Some Experience From Running of Production of DX-11. 7. 6 Multi-Purpose Furnace
SU595400A1 (ru) Способ получени защитной атмосферы дл безокислительного нагрева металла

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee