IT1134983B - Metodo ed apparato per la riduzione di minerale di ossido di ferro in un letto fluidificato - Google Patents

Metodo ed apparato per la riduzione di minerale di ossido di ferro in un letto fluidificato

Info

Publication number
IT1134983B
IT1134983B IT19067/81A IT1906781A IT1134983B IT 1134983 B IT1134983 B IT 1134983B IT 19067/81 A IT19067/81 A IT 19067/81A IT 1906781 A IT1906781 A IT 1906781A IT 1134983 B IT1134983 B IT 1134983B
Authority
IT
Italy
Prior art keywords
reduction
iron oxide
oxide mineral
fluidified bed
fluidified
Prior art date
Application number
IT19067/81A
Other languages
English (en)
Other versions
IT8119067A0 (it
Inventor
Harald Collin
Erik Axel Bengtsson
Original Assignee
Stora Kopparbergs Bergslags Ab
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 Stora Kopparbergs Bergslags Ab filed Critical Stora Kopparbergs Bergslags Ab
Publication of IT8119067A0 publication Critical patent/IT8119067A0/it
Application granted granted Critical
Publication of IT1134983B publication Critical patent/IT1134983B/it

Links

Classifications

    • 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
    • B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of 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
    • B01J8/1818—Feeding of the fluidising gas
    • B01J8/1827—Feeding of the fluidising gas the fluidising gas being a reactant
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
    • 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
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • 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)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture Of Iron (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
IT19067/81A 1980-01-16 1981-01-09 Metodo ed apparato per la riduzione di minerale di ossido di ferro in un letto fluidificato IT1134983B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8000369A SE429898B (sv) 1980-01-16 1980-01-16 Sett att forhindra pakladdning vid reduktion i flytbedd av finfordelat metalloxidhaltigt material

Publications (2)

Publication Number Publication Date
IT8119067A0 IT8119067A0 (it) 1981-01-09
IT1134983B true IT1134983B (it) 1986-08-20

Family

ID=20340003

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19067/81A IT1134983B (it) 1980-01-16 1981-01-09 Metodo ed apparato per la riduzione di minerale di ossido di ferro in un letto fluidificato

Country Status (7)

Country Link
US (1) US4374663A (it)
JP (1) JPS56105409A (it)
DE (1) DE3100767A1 (it)
FR (1) FR2473553A1 (it)
GB (1) GB2068769B (it)
IT (1) IT1134983B (it)
SE (1) SE429898B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133716A (en) * 1983-01-11 1984-08-01 Coal Ind Classifying material withdrawn from fluidised bed
JPS62228882A (ja) * 1986-03-28 1987-10-07 新日本製鐵株式会社 鉄鉱石予備還元装置
DE3737271A1 (de) * 1986-12-23 1988-07-07 Korf Engineering Gmbh Einschmelzvergaser
US4988464A (en) * 1989-06-01 1991-01-29 Union Carbide Corporation Method for producing powder by gas atomization
FR2683829B1 (fr) * 1991-11-19 1994-07-22 Siderurgie Fse Inst Rech Installation de traitement de reduction du minerai de fer en lit fluidise circulant.
AT406485B (de) * 1995-10-10 2000-05-25 Voest Alpine Ind Anlagen Verfahren zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten und anlage zur durchführung des verfahrens
UA42803C2 (uk) * 1995-10-10 2001-11-15 Фоест-Альпіне Індустріанлагенбау Гмбх Спосіб прямого відновлення дрібнозернистого матеріалу у формі часток, що містить оксид заліза, та установка для здійснення цього способу
AT406379B (de) * 1995-10-10 2000-04-25 Voest Alpine Ind Anlagen Verfahren zur direktreduktion von teilchenförmigem eisenoxidhältigem material und anlage zur durchführung des verfahrens
DE19750475C1 (de) * 1997-11-14 1999-04-08 Treibacher Schleifmittel Ag Verfahren und Aggregat zur thermischen Behandlung von feinkörnigen Stoffen
GB0014580D0 (en) * 2000-06-14 2000-08-09 Bp Chem Int Ltd Appatarus and process
DE10237124A1 (de) * 2002-08-13 2004-02-26 Linde Ag Treibdüsen-Injektions-Verfahren in Wirbelschichtreaktoren
AU2005248041B2 (en) * 2004-05-31 2011-03-17 Outotec Oyj A direct reduction apparatus and process
ES2338341T3 (es) * 2004-05-31 2010-05-06 Outotec Oyj Procedimiento de reduccion directa usando un solo lecho fluidizado.
NZ551516A (en) * 2004-05-31 2010-08-27 Outotec Oyj A direct reduction process characterised by agglomeration of fine ore particles and increased retention time
AU2005248040B9 (en) * 2004-05-31 2011-12-01 Outotec Oyj A direct reduction process
ES2441728T3 (es) * 2004-05-31 2014-02-06 Outotec Oyj Aparato y proceso de reducción directa
US11577224B2 (en) * 2018-05-01 2023-02-14 Hamilton Sundstrand Corporation Gas treatment method and materials
NL2032864B1 (en) * 2022-08-26 2024-03-05 Levitech B V An exhaust abatement apparatus and a method for abating reactive gasses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US720490A (en) * 1900-10-16 1903-02-10 Marcus Ruthenburg Process of reducing ores.
DE2356487A1 (de) * 1973-11-12 1975-05-22 Rheinstahl Ag Lanze fuer einen wirbelschichtofen
US4073642A (en) * 1975-09-04 1978-02-14 Stora Kopparbergs Bergslags Aktiebolag Method for reducing material containing iron oxides

Also Published As

Publication number Publication date
SE429898B (sv) 1983-10-03
JPH0120206B2 (it) 1989-04-14
FR2473553A1 (fr) 1981-07-17
GB2068769B (en) 1984-02-29
DE3100767A1 (de) 1982-01-28
US4374663A (en) 1983-02-22
SE8000369L (sv) 1981-07-17
JPS56105409A (en) 1981-08-21
GB2068769A (en) 1981-08-19
IT8119067A0 (it) 1981-01-09

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