CA3219995A1 - A method for manufacturing direct reduced iron - Google Patents

A method for manufacturing direct reduced iron Download PDF

Info

Publication number
CA3219995A1
CA3219995A1 CA3219995A CA3219995A CA3219995A1 CA 3219995 A1 CA3219995 A1 CA 3219995A1 CA 3219995 A CA3219995 A CA 3219995A CA 3219995 A CA3219995 A CA 3219995A CA 3219995 A1 CA3219995 A1 CA 3219995A1
Authority
CA
Canada
Prior art keywords
gas
iron
reduction
reducing gas
direct
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CA3219995A
Other languages
English (en)
French (fr)
Inventor
George TSVIK
Dmitri Boulanov
Jon REYES RODRIGUEZ
Odile CARRIER
Sarah SALAME
Jose Barros Lorenzo
Marcelo Andrade
Dennis Lu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ArcelorMittal SA
Original Assignee
ArcelorMittal SA
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 ArcelorMittal SA filed Critical ArcelorMittal SA
Publication of CA3219995A1 publication Critical patent/CA3219995A1/en
Pending legal-status Critical Current

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
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
    • C07C1/12—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon dioxide with hydrogen
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0073—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/008—Use of special additives or fluxing agents
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C25B15/081—Supplying products to non-electrochemical reactors that are combined with the electrochemical cell, e.g. Sabatier reactor
    • 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
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • 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
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • 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)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
CA3219995A 2021-05-18 2021-05-18 A method for manufacturing direct reduced iron Pending CA3219995A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2021/054259 WO2022243726A1 (en) 2021-05-18 2021-05-18 A method for manufacturing direct reduced iron

Publications (1)

Publication Number Publication Date
CA3219995A1 true CA3219995A1 (en) 2022-11-24

Family

ID=76098985

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3219995A Pending CA3219995A1 (en) 2021-05-18 2021-05-18 A method for manufacturing direct reduced iron

Country Status (11)

Country Link
US (1) US20240254576A1 (enExample)
EP (1) EP4341449A1 (enExample)
JP (1) JP7795560B2 (enExample)
CN (1) CN117337337A (enExample)
AU (1) AU2021446056B2 (enExample)
BR (1) BR112023023873A2 (enExample)
CA (1) CA3219995A1 (enExample)
MX (1) MX2023013535A (enExample)
UA (1) UA129931C2 (enExample)
WO (1) WO2022243726A1 (enExample)
ZA (1) ZA202310357B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025155948A1 (en) * 2024-01-19 2025-07-24 Cix, Inc. Carbon dioxide emission reduction system for electric arc furnaces utilizing algae for carbon dioxide absorbtion

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19748968C1 (de) * 1997-11-06 1999-06-10 Metallgesellschaft Ag Verfahren zum Erzeugen eines Gemisches aus Eisencarbid und körnigem, direkt reduziertem Eisen
JP2000054034A (ja) * 1998-08-03 2000-02-22 Nippon Steel Corp 還元鉄ペレット製造における還元炉操業方法
JP2006307275A (ja) * 2005-04-27 2006-11-09 Nippon Steel Corp 還元鉄の製造方法
JP5552754B2 (ja) * 2009-05-12 2014-07-16 Ｊｆｅスチール株式会社 アーク炉の操業方法
US8764875B2 (en) * 2010-08-03 2014-07-01 Xiaodi Huang Method and apparatus for coproduction of pig iron and high quality syngas
JP5630223B2 (ja) * 2010-11-10 2014-11-26 新日鐵住金株式会社 炉頂ガスを循環した直接還元炉の操業方法
CN102392093A (zh) * 2011-12-09 2012-03-28 青岛理工大学 一种基于生物质的直接还原炼铁装置及方法
JP5880941B2 (ja) * 2012-01-31 2016-03-09 Ｊｆｅスチール株式会社 還元鉄の製造方法
CN102586529B (zh) * 2012-03-23 2013-08-07 北京科技大学 一种以生物质含碳球团为原料的转底炉炼铁方法
FI2895630T3 (en) * 2012-09-14 2023-08-15 Voestalpine Stahl Gmbh METHOD FOR STORING DISCONTINUOUSLY OBTAINED ENERGY IN IRON ORE REDUCTION PROCESS
CN102864265B (zh) * 2012-09-24 2014-05-28 中南大学 一种气基直接还原尾气回收利用的方法
CN102864266A (zh) * 2012-09-24 2013-01-09 中南大学 一种强化铁矿球团气基竖炉直接还原的方法
EP2961854B1 (en) * 2013-02-27 2017-09-27 HYL Technologies, S.A. de C.V. Direct reduction process with improved product quality and process gas efficiency
EP3286345A1 (en) * 2015-04-24 2018-02-28 SABIC Global Technologies B.V. Composite iron pellets and methods of making same
WO2017115133A1 (en) * 2015-12-28 2017-07-06 Hyl Technologies, S.A. De C.V. Method and system for producing high-carbon dri using syngas
CN106629712B (zh) * 2016-12-30 2019-03-15 中南大学 一种利用煤与生物质的混合料制备活性炭的方法
CN107723402A (zh) * 2017-09-08 2018-02-23 江苏省冶金设计院有限公司 一种双竖炉系统和使用该系统生产含铁产品的方法
CN108300829B (zh) * 2018-03-30 2019-10-11 唐竹胜 一种气基和煤基结合的直接还原铁方法
CN108374066B (zh) * 2018-03-30 2019-07-16 唐竹胜 一种粉状铁矿双窑双基联合式低温快速深度直接还原铁的方法
CN110079665B (zh) * 2019-05-23 2020-11-27 北京科技大学 一种用于电炉的高碳金属化球团的制备方法
JP2024047592A (ja) * 2019-08-09 2024-04-08 合同会社Kess 直接還元鉄の製造設備及び製造方法

Also Published As

Publication number Publication date
KR20240007223A (ko) 2024-01-16
WO2022243726A1 (en) 2022-11-24
JP2024519059A (ja) 2024-05-08
UA129931C2 (uk) 2025-09-10
BR112023023873A2 (pt) 2024-01-30
CN117337337A (zh) 2024-01-02
US20240254576A1 (en) 2024-08-01
AU2021446056A1 (en) 2023-11-23
JP7795560B2 (ja) 2026-01-07
AU2021446056B2 (en) 2025-05-22
EP4341449A1 (en) 2024-03-27
ZA202310357B (en) 2024-11-27
MX2023013535A (es) 2023-11-28

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