JP2024533425A - 製鉄及び製鋼プラント用の直接還元鉄の生産方法 - Google Patents

製鉄及び製鋼プラント用の直接還元鉄の生産方法 Download PDF

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Publication number
JP2024533425A
JP2024533425A JP2024515574A JP2024515574A JP2024533425A JP 2024533425 A JP2024533425 A JP 2024533425A JP 2024515574 A JP2024515574 A JP 2024515574A JP 2024515574 A JP2024515574 A JP 2024515574A JP 2024533425 A JP2024533425 A JP 2024533425A
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JP
Japan
Prior art keywords
gas
direct
iron ore
reformer
reactor
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Pending
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JP2024515574A
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English (en)
Japanese (ja)
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JP2024533425A5 (https=
JPWO2023036475A5 (https=
Inventor
ヴルツェル，トーマス
グラント，ミカエル
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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.)
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Publication date
Application filed by LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Publication of JP2024533425A publication Critical patent/JP2024533425A/ja
Publication of JP2024533425A5 publication Critical patent/JP2024533425A5/ja
Publication of JPWO2023036475A5 publication Critical patent/JPWO2023036475A5/ja
Pending legal-status Critical Current

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    • 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
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/02—Production of hydrogen; Production of gaseous mixtures containing hydrogen
    • C01B3/04—Production of hydrogen; Production of gaseous mixtures containing hydrogen by decomposition of inorganic compounds
    • C01B3/047—Decomposition of ammonia
    • 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
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/029—Introducing coolant gas in the shaft furnaces
    • 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
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • 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
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
JP2024515574A 2021-09-13 2022-05-06 製鉄及び製鋼プラント用の直接還元鉄の生産方法 Pending JP2024533425A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21196359 2021-09-13
EP21196359.0 2021-09-13
PCT/EP2022/062354 WO2023036475A1 (en) 2021-09-13 2022-05-06 Method for producing direct reduced iron for an iron and steelmaking plant

Publications (3)

Publication Number Publication Date
JP2024533425A true JP2024533425A (ja) 2024-09-12
JP2024533425A5 JP2024533425A5 (https=) 2025-04-14
JPWO2023036475A5 JPWO2023036475A5 (https=) 2025-04-14

Family

ID=82016359

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2024515574A Pending JP2024533425A (ja) 2021-09-13 2022-05-06 製鉄及び製鋼プラント用の直接還元鉄の生産方法
JP2024515575A Pending JP2024531660A (ja) 2021-09-13 2022-05-06 鉄鋼プラントのための直接還元鉄の製造方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024515575A Pending JP2024531660A (ja) 2021-09-13 2022-05-06 鉄鋼プラントのための直接還元鉄の製造方法

Country Status (6)

Country Link
EP (2) EP4402293B1 (https=)
JP (2) JP2024533425A (https=)
KR (2) KR20240068674A (https=)
CN (2) CN117916394A (https=)
PL (1) PL4402293T3 (https=)
WO (2) WO2023036475A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4407049A1 (en) * 2023-01-23 2024-07-31 Oterdoom, Harmen The butterbridge process for simultaneous ammonia cracking and dri production
WO2025008143A1 (en) 2023-07-06 2025-01-09 Tata Steel Ijmuiden B.V. Method for producing direct reduced iron
WO2025021365A1 (en) 2023-07-24 2025-01-30 Tata Steel Nederland Technology B.V. Method for producing direct reduced iron
WO2025032509A1 (en) * 2023-08-07 2025-02-13 8 Rivers Capital, Llc Production of metallic iron from iron ore
EP4549595A1 (de) * 2023-11-03 2025-05-07 Primetals Technologies Austria GmbH Reduktion metalloxidhaltigen materials auf basis von ammoniak nh3 und kohlenstoffhaltigem gas
EP4549596A1 (de) * 2023-11-03 2025-05-07 Primetals Technologies Austria GmbH Reduktion metalloxidhaltigen materials auf basis von ammoniak nh3 und kohlenstoffhaltigem gas
KR20250091980A (ko) * 2023-12-14 2025-06-23 포스코홀딩스 주식회사 수소 생산 시스템
WO2026037794A1 (de) * 2024-08-14 2026-02-19 Primetals Technologies Austria GmbH Herstellung von nitridiertem eisenschwamm
LU508433B1 (en) * 2024-10-01 2026-04-01 Wurth Paul Sa Method for operating a metallurgical plant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5871314A (ja) * 1981-10-21 1983-04-28 Kobe Steel Ltd 還元鉄の連続製造法およびそれに用いる装置
JP2012007213A (ja) * 2010-06-25 2012-01-12 Mitsubishi Heavy Ind Ltd 直接還元製鉄法およびそのための還元ガス製造装置
WO2014189109A1 (ja) * 2013-05-24 2014-11-27 新日鉄住金エンジニアリング株式会社 直接還元鉄の製造装置、及び直接還元鉄の製造方法
JP2020531388A (ja) * 2017-08-24 2020-11-05 ハルドール・トプサー・アクチエゼルスカベット 自己熱アンモニア分解方法
CN112813219A (zh) * 2021-02-05 2021-05-18 辽宁科技大学 一种氨气直接还原铁实现近零排放的系统及工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049440A (en) * 1975-05-19 1977-09-20 Midrex Corporation Method for producing metallic iron pellets
AU496945B2 (en) * 1975-05-19 1978-11-16 Midrex International B.V. Rotterdam Producing metallized product
US5997596A (en) * 1997-09-05 1999-12-07 Spectrum Design & Consulting International, Inc. Oxygen-fuel boost reformer process and apparatus
JP2000178625A (ja) * 1998-12-11 2000-06-27 Kawasaki Heavy Ind Ltd 還元鉄の製造方法及びその製造装置
JP2013216929A (ja) * 2012-04-05 2013-10-24 Jfe Steel Corp 還元鉄の冷却方法
CN112921143B (zh) 2021-01-27 2022-11-04 辽宁科技大学 一种基于氨气直接还原铁生产热态海绵铁的方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5871314A (ja) * 1981-10-21 1983-04-28 Kobe Steel Ltd 還元鉄の連続製造法およびそれに用いる装置
JP2012007213A (ja) * 2010-06-25 2012-01-12 Mitsubishi Heavy Ind Ltd 直接還元製鉄法およびそのための還元ガス製造装置
WO2014189109A1 (ja) * 2013-05-24 2014-11-27 新日鉄住金エンジニアリング株式会社 直接還元鉄の製造装置、及び直接還元鉄の製造方法
JP2020531388A (ja) * 2017-08-24 2020-11-05 ハルドール・トプサー・アクチエゼルスカベット 自己熱アンモニア分解方法
CN112813219A (zh) * 2021-02-05 2021-05-18 辽宁科技大学 一种氨气直接还原铁实现近零排放的系统及工艺

Also Published As

Publication number Publication date
EP4402293A1 (en) 2024-07-24
WO2023036474A1 (en) 2023-03-16
CN117940587A (zh) 2024-04-26
WO2023036475A1 (en) 2023-03-16
JP2024531660A (ja) 2024-08-29
PL4402293T3 (pl) 2025-12-01
KR20240068675A (ko) 2024-05-17
EP4402293B1 (en) 2025-09-17
EP4402292A1 (en) 2024-07-24
KR20240068674A (ko) 2024-05-17
CN117916394A (zh) 2024-04-19

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