EA200501030A1 - Способ и устройство для термической обработки твёрдых материалов, содержащих оксид железа - Google Patents

Способ и устройство для термической обработки твёрдых материалов, содержащих оксид железа

Info

Publication number
EA200501030A1
EA200501030A1 EA200501030A EA200501030A EA200501030A1 EA 200501030 A1 EA200501030 A1 EA 200501030A1 EA 200501030 A EA200501030 A EA 200501030A EA 200501030 A EA200501030 A EA 200501030A EA 200501030 A1 EA200501030 A1 EA 200501030A1
Authority
EA
Eurasian Patent Office
Prior art keywords
gas
fluidized bed
solid materials
iron oxide
supply pipe
Prior art date
Application number
EA200501030A
Other languages
English (en)
Other versions
EA010275B1 (ru
Inventor
Мартин Хирш
Михаэль Штрёдер
Петер Вебер
Original Assignee
Оутокумпу Текнолоджи Ой
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 Оутокумпу Текнолоджи Ой filed Critical Оутокумпу Текнолоджи Ой
Publication of EA200501030A1 publication Critical patent/EA200501030A1/ru
Publication of EA010275B1 publication Critical patent/EA010275B1/ru

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
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B01J8/0055—Separating solid material from the gas/liquid stream using cyclones
    • 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
    • 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
    • B01J8/1872—Details of the fluidised bed reactor
    • 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
    • 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
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00265—Part of all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2208/00274—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00548—Flow
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00004—Scale aspects
    • B01J2219/00006—Large-scale industrial plants
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Compounds Of Iron (AREA)
  • Manufacture Of Iron (AREA)

Abstract

Способ термической обработки твердых материалов, содержащих оксид железа, в котором мелкозернистые твердые материалы нагреваются до температуры примерно 630°C в реакторе с псевдоожиженным слоем (1). С целью улучшения использования энергии предлагается вводить первый газ или газовую смесь снизу через газоподводящую трубу (3) в смесительное пространство (7) реактора (1), причем газоподводящая труба (3), по крайней мере частично, окружена стационарным кольцевым псевдоожиженным слоем (10), который псевдоожижается подачей псевдоожижающего газа. Объемные скорости первого газа или газовой смеси, а также псевдоожижающего газа для кольцевого псевдоожиженного слоя (10) регулируют таким образом, чтобы число Фруда для частиц было в газоподводящей трубе (3) в пределах от 1 до 100, в кольцевом псевдоожиженном слое (10) от 0,02 до 2 и в смесительном пространстве (7) от 0,3 до 30.Отчет о международном поиске был опубликован 2005.02.24.
EA200501030A 2002-12-23 2003-12-12 Способ и установка для термической обработки твёрдых материалов, содержащих оксид железа EA010275B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10260731A DE10260731B4 (de) 2002-12-23 2002-12-23 Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
PCT/EP2003/014106 WO2004057044A2 (en) 2002-12-23 2003-12-12 Method and plant for the heat treatment of solids containing iron oxide

Publications (2)

Publication Number Publication Date
EA200501030A1 true EA200501030A1 (ru) 2006-02-24
EA010275B1 EA010275B1 (ru) 2008-08-29

Family

ID=32477937

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200501030A EA010275B1 (ru) 2002-12-23 2003-12-12 Способ и установка для термической обработки твёрдых материалов, содержащих оксид железа

Country Status (11)

Country Link
US (2) US7632334B2 (ru)
CN (1) CN100529125C (ru)
AU (1) AU2003292233B2 (ru)
BR (1) BR0317664B1 (ru)
CA (1) CA2510930C (ru)
DE (1) DE10260731B4 (ru)
EA (1) EA010275B1 (ru)
MY (1) MY134382A (ru)
UA (1) UA81792C2 (ru)
WO (1) WO2004057044A2 (ru)
ZA (1) ZA200505916B (ru)

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CN102728844A (zh) * 2012-06-29 2012-10-17 武汉钢铁(集团)公司 低成本制备超细铁粉的方法
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NO321880B1 (no) * 2002-12-23 2006-07-17 Knutsen Oas Shipping As Anordning for a redusere VOC avdampning
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AU2003292233B2 (en) 2009-07-09
US7632334B2 (en) 2009-12-15
MY134382A (en) 2007-12-31
AU2003292233A1 (en) 2004-07-14
DE10260731A1 (de) 2004-07-08
DE10260731B4 (de) 2005-04-14
WO2004057044A2 (en) 2004-07-08
US20060230880A1 (en) 2006-10-19
BR0317664B1 (pt) 2013-09-10
US20100044933A1 (en) 2010-02-25
WO2004057044A3 (en) 2005-02-24
UA81792C2 (ru) 2008-02-11
CN100529125C (zh) 2009-08-19
CN1738918A (zh) 2006-02-22
ZA200505916B (en) 2006-11-29
CA2510930A1 (en) 2004-07-08
BR0317664A (pt) 2005-11-29
US8025836B2 (en) 2011-09-27
CA2510930C (en) 2012-11-27
EA010275B1 (ru) 2008-08-29

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