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EA200601979A1 - Способ прямого восстановления с использованием одного псевдоожиженного слоя - Google Patents

Способ прямого восстановления с использованием одного псевдоожиженного слоя

Info

Publication number
EA200601979A1
EA200601979A1 EA200601979A EA200601979A EA200601979A1 EA 200601979 A1 EA200601979 A1 EA 200601979A1 EA 200601979 A EA200601979 A EA 200601979A EA 200601979 A EA200601979 A EA 200601979A EA 200601979 A1 EA200601979 A1 EA 200601979A1
Authority
EA
Eurasian Patent Office
Prior art keywords
vessel
rich zone
oxygen
metalliferous material
carbon
Prior art date
Application number
EA200601979A
Other languages
English (en)
Other versions
EA009672B1 (ru
Inventor
Андреас Орт
Хайнц Айхбергер
Доналд Кейт Филп
Род Драй
Original Assignee
Отокумпу Текнолоджи Оюй
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 AU2004902900A external-priority patent/AU2004902900A0/en
Application filed by Отокумпу Текнолоджи Оюй filed Critical Отокумпу Текнолоджи Оюй
Publication of EA200601979A1 publication Critical patent/EA200601979A1/ru
Publication of EA009672B1 publication Critical patent/EA009672B1/ru

Links

Classifications

    • 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
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C21B13/002—Reduction of iron ores by passing through a heated column of carbon
    • 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
    • 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
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • 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
    • 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
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • 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
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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
    • 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
    • Y02P10/25—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Fats And Perfumes (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Vehicle Body Suspensions (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Forging (AREA)

Abstract

Способ прямого восстановления металлоносного материала, включающий подачу металлоносного материала, твердого углеродсодержащего материала, кислородсодержащего газа и псевдоожижающего газа в псевдоожиженный слой в сосуде и поддержание псевдоожиженного слоя в сосуде, по меньшей мере частичное восстановление металлоносного материала в сосуде и выпуск из сосуда потока продукта, который включает по меньшей мере частично восстановленный металлоносный материал. Способ отличается: (а) восстановлением содержащего металл материала в твердом состоянии в обогащенной металлом зоне в сосуде; (б) вдуванием кислородсодержащего газа в обогащенную углеродом зону в сосуде нисходящим потоком под углом в интервале от плюс до минус 40° к вертикали и выработкой тепла посредством реакций между кислородом и металлоносным материалом (включающим металлизованный материал), твердым углеродсодержащим материалом и другими окисляемыми твердыми веществами и газами в псевдоожиженном слое, и (в) переносом тепла из обогащенной углеродом зоны в обогащенную металлом зону посредством перемещения твердых веществ внутри сосуда. Обогащенную металлом зону формируют в нижней секции сосуда, а обогащенная углеродом зона находится в средней секции под верхней секцией сосуда. Кислородсодержащий газ вдувают в центральную область сосуда.
EA200601979A 2004-05-31 2005-05-20 Способ прямого восстановления металлоносного материала с использованием псевдоожиженного слоя EA009672B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2004902900A AU2004902900A0 (en) 2004-05-31 A direct reduction process
PCT/EP2005/005472 WO2005116280A1 (en) 2004-05-31 2005-05-20 Direct reduction process using a single fluidised bed

Publications (2)

Publication Number Publication Date
EA200601979A1 true EA200601979A1 (ru) 2007-06-29
EA009672B1 EA009672B1 (ru) 2008-02-28

Family

ID=34968908

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200601979A EA009672B1 (ru) 2004-05-31 2005-05-20 Способ прямого восстановления металлоносного материала с использованием псевдоожиженного слоя

Country Status (16)

Country Link
US (1) US8038766B2 (ru)
EP (1) EP1756324B1 (ru)
JP (1) JP4785840B2 (ru)
CN (1) CN100564555C (ru)
AT (1) ATE452213T1 (ru)
BR (1) BRPI0511709B1 (ru)
CA (1) CA2566322C (ru)
DE (1) DE602005018349D1 (ru)
EA (1) EA009672B1 (ru)
ES (1) ES2338341T3 (ru)
NZ (1) NZ551518A (ru)
PL (1) PL1756324T3 (ru)
TW (1) TWI379911B (ru)
UA (1) UA85509C2 (ru)
WO (1) WO2005116280A1 (ru)
ZA (1) ZA200609570B (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1393168B1 (it) * 2008-09-08 2012-04-11 Senneca Impianto e processo per combustione di tipo "looping" di solidi carboniosi
JP5947277B2 (ja) * 2013-12-11 2016-07-06 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 部分還元鉄製造装置
EP2905345A1 (de) * 2014-02-10 2015-08-12 Primetals Technologies Austria GmbH Pneumatische Erzchargierung
AU2021279211A1 (en) * 2020-05-29 2022-12-08 Technological Resources Pty. Limited Biomass direct reduced iron

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE759490A (fr) * 1969-11-28 1971-04-30 Nippon Kokan Kk Procede pour introduire par soufflage un gaz dans un lit fluidise
US4084958A (en) * 1974-05-20 1978-04-18 Stora Kopparbergs Bergslags Aktiebolag Method of reducing finely grained material containing iron oxides in a fluid bed
SE419129B (sv) * 1979-05-29 1981-07-13 Stora Kopparbergs Bergslags Ab Anordning for reduktion av finfordelat jernoxidhaltigt material i en cirkulerande flytbedd
SE429898B (sv) * 1980-01-16 1983-10-03 Stora Kopparbergs Bergslags Ab Sett att forhindra pakladdning vid reduktion i flytbedd av finfordelat metalloxidhaltigt material
JPS56108090A (en) * 1980-01-31 1981-08-27 Kawasaki Steel Co Gas blowinggin nozzle for heat medium particle circulation fluid layer
US4930757A (en) * 1989-10-02 1990-06-05 Cominco Ltd. Tuyere for metallurgical vessels
FI92223C (sv) * 1992-01-24 1994-10-10 Ahlstroem Oy Förfarande för reduktion av metalloxidhaltigt material i fast fas
DE4307484A1 (de) * 1993-03-10 1994-09-15 Metallgesellschaft Ag Verfahren zur Direktreduktion von eisenoxidhaltigen Materialien mit festen kohlenstoffhaltigen Reduktionsmitteln
FR2703070B1 (fr) * 1993-03-26 1995-05-05 Lorraine Laminage Installation de réduction du minerai de fer utilisant un lit fluidise circulant munie d'un dispositif de réglage du débit de matières solides.
US5560762A (en) * 1994-03-24 1996-10-01 Metallgesellschaft Ag Process for the heat treatment of fine-grained iron ore and for the conversion of the heat treated iron ore to metallic iron
US5542963A (en) * 1994-09-21 1996-08-06 Sherwood; William L. Direct iron and steelmaking
US5810905A (en) * 1996-10-07 1998-09-22 Cleveland Cliffs Iron Company Process for making pig iron
JPH10280021A (ja) 1997-04-09 1998-10-20 Nippon Steel Corp 粉状酸化物の循環流動還元装置
JPH11131118A (ja) * 1997-10-31 1999-05-18 Nkk Corp 予備還元炉
JP2002544374A (ja) * 1999-02-05 2002-12-24 マンネスマンレーレン‐ヴェルケ・アクチエンゲゼルシャフト シャフト炉、特に高炉または熱風キュポラ用の羽口

Also Published As

Publication number Publication date
ZA200609570B (en) 2008-05-28
CN100564555C (zh) 2009-12-02
CA2566322C (en) 2013-08-20
EA009672B1 (ru) 2008-02-28
CA2566322A1 (en) 2005-12-08
JP4785840B2 (ja) 2011-10-05
EP1756324B1 (en) 2009-12-16
US8038766B2 (en) 2011-10-18
TWI379911B (en) 2012-12-21
US20080196549A1 (en) 2008-08-21
DE602005018349D1 (de) 2010-01-28
ES2338341T3 (es) 2010-05-06
TW200611980A (en) 2006-04-16
CN1961087A (zh) 2007-05-09
BRPI0511709B1 (pt) 2015-09-15
PL1756324T3 (pl) 2010-07-30
UA85509C2 (ru) 2009-01-26
EP1756324A1 (en) 2007-02-28
JP2008501072A (ja) 2008-01-17
NZ551518A (en) 2010-02-26
ATE452213T1 (de) 2010-01-15
BRPI0511709A (pt) 2008-01-08
WO2005116280A1 (en) 2005-12-08

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Legal Events

Date Code Title Description
HC1A Change in name of an applicant in a eurasian application
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KG MD TJ TM

MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): KZ RU