KR20240068674A - 제철 및 제강 플랜트용 직접 환원 철의 제조 방법 - Google Patents

제철 및 제강 플랜트용 직접 환원 철의 제조 방법 Download PDF

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Publication number
KR20240068674A
KR20240068674A KR1020247011618A KR20247011618A KR20240068674A KR 20240068674 A KR20240068674 A KR 20240068674A KR 1020247011618 A KR1020247011618 A KR 1020247011618A KR 20247011618 A KR20247011618 A KR 20247011618A KR 20240068674 A KR20240068674 A KR 20240068674A
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KR
South Korea
Prior art keywords
iron
zone
direct
gas
ore
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
KR1020247011618A
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English (en)
Korean (ko)
Inventor
토마스 우르젤
미카엘 그란트
Original Assignee
레르 리키드 쏘시에떼 아노님 뿌르 레뜌드 에렉스뿔라따시옹 데 프로세데 조르즈 클로드
레르 리키드 쏘시에떼 아노님 뿌르 레드 에렉스뿔라따시옹 데 프로세데 조르즈 클로드
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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Application filed by 레르 리키드 쏘시에떼 아노님 뿌르 레뜌드 에렉스뿔라따시옹 데 프로세데 조르즈 클로드, 레르 리키드 쏘시에떼 아노님 뿌르 레드 에렉스뿔라따시옹 데 프로세데 조르즈 클로드 filed Critical 레르 리키드 쏘시에떼 아노님 뿌르 레뜌드 에렉스뿔라따시옹 데 프로세데 조르즈 클로드
Publication of KR20240068674A publication Critical patent/KR20240068674A/ko
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)
KR1020247011618A 2021-09-13 2022-05-06 제철 및 제강 플랜트용 직접 환원 철의 제조 방법 Pending KR20240068674A (ko)

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
KR20240068674A true KR20240068674A (ko) 2024-05-17

Family

ID=82016359

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020247011618A Pending KR20240068674A (ko) 2021-09-13 2022-05-06 제철 및 제강 플랜트용 직접 환원 철의 제조 방법
KR1020247011619A Pending KR20240068675A (ko) 2021-09-13 2022-05-06 제철 및 제강 플랜트에서의 직접환원철의 생산 방법

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020247011619A Pending KR20240068675A (ko) 2021-09-13 2022-05-06 제철 및 제강 플랜트에서의 직접환원철의 생산 방법

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
CN117916394A (zh) 2024-04-19

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Patent event date: 20240408

Patent event code: PA01051R01D

Comment text: International Patent Application

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PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20250401

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