JP7795560B2 - 直接還元鉄を製造するための方法 - Google Patents
直接還元鉄を製造するための方法Info
- Publication number
- JP7795560B2 JP7795560B2 JP2023571579A JP2023571579A JP7795560B2 JP 7795560 B2 JP7795560 B2 JP 7795560B2 JP 2023571579 A JP2023571579 A JP 2023571579A JP 2023571579 A JP2023571579 A JP 2023571579A JP 7795560 B2 JP7795560 B2 JP 7795560B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- reducing gas
- reducing
- iron
- reduced iron
- 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.)
- Active
Links
Classifications
-
- 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
- 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
- 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)
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 (3)
| Publication Number | Publication Date |
|---|---|
| JP2024519059A JP2024519059A (ja) | 2024-05-08 |
| JP2024519059A5 JP2024519059A5 (enExample) | 2025-05-09 |
| JP7795560B2 true JP7795560B2 (ja) | 2026-01-07 |
Family
ID=76098985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023571579A Active JP7795560B2 (ja) | 2021-05-18 | 2021-05-18 | 直接還元鉄を製造するための方法 |
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)
| 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 |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2001522936A (ja) | 1997-11-06 | 2001-11-20 | メタルゲゼルシャフト・アクチエンゲゼルシャフト | 炭化鉄と粒状の直接還元鉄との混合物の製造方法 |
| JP2006307275A (ja) | 2005-04-27 | 2006-11-09 | Nippon Steel Corp | 還元鉄の製造方法 |
| JP2010265485A (ja) | 2009-05-12 | 2010-11-25 | Jfe Steel Corp | アーク炉の操業方法 |
| 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 |
| CN102586529A (zh) | 2012-03-23 | 2012-07-18 | 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 |
| JP2013155429A (ja) | 2012-01-31 | 2013-08-15 | Jfe Steel Corp | 還元鉄の製造方法 |
| JP2015529751A (ja) | 2012-09-14 | 2015-10-08 | フェストアルピネ シュタール ゲーエムベーハーVoestalpine Stahl Gmbh | スチール製造方法 |
| US20160002744A1 (en) | 2013-02-27 | 2016-01-07 | Hyl Technologies S.A. De C.V. | Direct reduction process with improved product quality and process gas efficiency |
| CN106629712A (zh) | 2016-12-30 | 2017-05-10 | 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 |
| US20180119248A1 (en) | 2015-04-24 | 2018-05-03 | Sabic Global Technologies B.V. | Composite iron pellets and methods of making same |
| CN110079665A (zh) | 2019-05-23 | 2019-08-02 | 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 |
| WO2021029114A1 (ja) | 2019-08-09 | 2021-02-18 | 合同会社Kess | 直接還元鉄の製造設備及び製造方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
-
2021
- 2021-05-18 MX MX2023013535A patent/MX2023013535A/es unknown
- 2021-05-18 EP EP21727941.3A patent/EP4341449A1/en active Pending
- 2021-05-18 JP JP2023571579A patent/JP7795560B2/ja active Active
- 2021-05-18 CA CA3219995A patent/CA3219995A1/en active Pending
- 2021-05-18 BR BR112023023873A patent/BR112023023873A2/pt unknown
- 2021-05-18 WO PCT/IB2021/054259 patent/WO2022243726A1/en not_active Ceased
- 2021-05-18 US US18/559,909 patent/US20240254576A1/en active Pending
- 2021-05-18 CN CN202180098331.1A patent/CN117337337A/zh active Pending
- 2021-05-18 AU AU2021446056A patent/AU2021446056B2/en active Active
- 2021-05-18 UA UAA202306007A patent/UA129931C2/uk unknown
-
2023
- 2023-11-07 ZA ZA2023/10357A patent/ZA202310357B/en unknown
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001522936A (ja) | 1997-11-06 | 2001-11-20 | メタルゲゼルシャフト・アクチエンゲゼルシャフト | 炭化鉄と粒状の直接還元鉄との混合物の製造方法 |
| 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 |
| JP2010265485A (ja) | 2009-05-12 | 2010-11-25 | Jfe Steel Corp | アーク炉の操業方法 |
| 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 |
| JP2013155429A (ja) | 2012-01-31 | 2013-08-15 | Jfe Steel Corp | 還元鉄の製造方法 |
| CN102586529A (zh) | 2012-03-23 | 2012-07-18 | 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 |
| JP2015529751A (ja) | 2012-09-14 | 2015-10-08 | フェストアルピネ シュタール ゲーエムベーハーVoestalpine Stahl Gmbh | スチール製造方法 |
| US20160002744A1 (en) | 2013-02-27 | 2016-01-07 | Hyl Technologies S.A. De C.V. | Direct reduction process with improved product quality and process gas efficiency |
| US20180119248A1 (en) | 2015-04-24 | 2018-05-03 | Sabic Global Technologies B.V. | Composite iron pellets and methods of making same |
| CN106629712A (zh) | 2016-12-30 | 2017-05-10 | 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 |
| CN110079665A (zh) | 2019-05-23 | 2019-08-02 | 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 |
| WO2021029114A1 (ja) | 2019-08-09 | 2021-02-18 | 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 |
| AU2021446056B2 (en) | 2025-05-22 |
| EP4341449A1 (en) | 2024-03-27 |
| ZA202310357B (en) | 2024-11-27 |
| CA3219995A1 (en) | 2022-11-24 |
| MX2023013535A (es) | 2023-11-28 |
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