CN117916394A - 为炼铁炼钢厂生产直接还原铁的方法 - Google Patents

为炼铁炼钢厂生产直接还原铁的方法 Download PDF

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Publication number
CN117916394A
CN117916394A CN202280060146.8A CN202280060146A CN117916394A CN 117916394 A CN117916394 A CN 117916394A CN 202280060146 A CN202280060146 A CN 202280060146A CN 117916394 A CN117916394 A CN 117916394A
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CN
China
Prior art keywords
iron
zone
ore
gas
direct reduction
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
CN202280060146.8A
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English (en)
Chinese (zh)
Inventor
T·沃泽尔
M·格兰特
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.)
Filing date
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 CN117916394A publication Critical patent/CN117916394A/zh
Pending legal-status Critical Current

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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
    • C21B13/0073—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

Landscapes

  • 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)
CN202280060146.8A 2021-09-13 2022-05-06 为炼铁炼钢厂生产直接还原铁的方法 Pending CN117916394A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21196359 2021-09-13
EP21196359.0 2021-09-13
PCT/EP2022/062352 WO2023036474A1 (en) 2021-09-13 2022-05-06 Method for producing direct reduced iron for an iron and steelmaking plant

Publications (1)

Publication Number Publication Date
CN117916394A true CN117916394A (zh) 2024-04-19

Family

ID=82016359

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202280060146.8A Pending CN117916394A (zh) 2021-09-13 2022-05-06 为炼铁炼钢厂生产直接还原铁的方法
CN202280059078.3A Pending CN117940587A (zh) 2021-09-13 2022-05-06 为炼铁炼钢厂生产直接还原铁的方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202280059078.3A Pending CN117940587A (zh) 2021-09-13 2022-05-06 为炼铁炼钢厂生产直接还原铁的方法

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

Family Cites Families (11)

* 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
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
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
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
JP2013216929A (ja) * 2012-04-05 2013-10-24 Jfe Steel Corp 還元鉄の冷却方法
JP2014227588A (ja) * 2013-05-24 2014-12-08 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
TWI812634B (zh) * 2017-08-24 2023-08-21 丹麥商托普索公司 自熱性氨裂解製程
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
CN112813219B (zh) * 2021-02-05 2023-07-25 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
JP2024533425A (ja) 2024-09-12
EP4402293B1 (en) 2025-09-17
EP4402292A1 (en) 2024-07-24
KR20240068674A (ko) 2024-05-17

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