JP2024113093A5 - - Google Patents
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- Publication number
- JP2024113093A5 JP2024113093A5 JP2024091753A JP2024091753A JP2024113093A5 JP 2024113093 A5 JP2024113093 A5 JP 2024113093A5 JP 2024091753 A JP2024091753 A JP 2024091753A JP 2024091753 A JP2024091753 A JP 2024091753A JP 2024113093 A5 JP2024113093 A5 JP 2024113093A5
- Authority
- JP
- Japan
- Prior art keywords
- gas
- reduced iron
- shaft furnace
- hydrogen gas
- amount
- 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
Links
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020085078 | 2020-05-14 | ||
| JP2020085078 | 2020-05-14 | ||
| PCT/JP2021/018156 WO2021230307A1 (ja) | 2020-05-14 | 2021-05-13 | 還元鉄の製造方法 |
| JP2022522188A JP7575697B2 (ja) | 2020-05-14 | 2021-05-13 | 還元鉄の製造方法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022522188A Division JP7575697B2 (ja) | 2020-05-14 | 2021-05-13 | 還元鉄の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2024113093A JP2024113093A (ja) | 2024-08-21 |
| JP2024113093A5 true JP2024113093A5 (https=) | 2025-06-23 |
Family
ID=78524497
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022522188A Active JP7575697B2 (ja) | 2020-05-14 | 2021-05-13 | 還元鉄の製造方法 |
| JP2024091753A Pending JP2024113093A (ja) | 2020-05-14 | 2024-06-05 | 還元鉄の製造方法 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022522188A Active JP7575697B2 (ja) | 2020-05-14 | 2021-05-13 | 還元鉄の製造方法 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US12486548B2 (https=) |
| EP (1) | EP4151754A4 (https=) |
| JP (2) | JP7575697B2 (https=) |
| KR (1) | KR20220160694A (https=) |
| CN (1) | CN115552041A (https=) |
| AU (1) | AU2021272824B2 (https=) |
| BR (1) | BR112022021572A2 (https=) |
| CA (1) | CA3176131A1 (https=) |
| MX (1) | MX2022014023A (https=) |
| TW (1) | TWI788843B (https=) |
| WO (1) | WO2021230307A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE547126C2 (en) | 2021-02-03 | 2025-04-29 | Hybrit Development Ab | Bleed-off gas recovery in a direct reduction process |
| SE545792C2 (en) * | 2022-05-20 | 2024-02-06 | Greeniron H2 Ab | Method and device for producing direct reduced metal |
| EP4560034A4 (en) | 2022-07-21 | 2025-12-24 | Sumitomo Metal Mining Co | PROCESS FOR SOLUTION OF NICKEL-CONTAINING OXIDE ORE |
| CN116734616A (zh) * | 2023-06-02 | 2023-09-12 | 东北大学 | 一种氢基竖炉炉顶煤气的膜法回收利用装置及方法 |
| AU2024317036A1 (en) | 2023-07-28 | 2026-02-12 | Sumitomo Metal Mining Co., Ltd. | Method for smelting nickel-containing oxide ore |
| WO2025158579A1 (ja) * | 2024-01-24 | 2025-07-31 | 日本製鉄株式会社 | 還元鉄の製造方法及びシャフト炉 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2609288A (en) | 1949-03-08 | 1952-09-02 | Isobel E Stuart | Process for the reduction of metal oxides by gases |
| GB729146A (en) * | 1952-06-18 | 1955-05-04 | Stanley Edward Matthews | Apparatus and process for the reduction of metal oxides by gases |
| US2862808A (en) * | 1957-07-31 | 1958-12-02 | Alan N Mann | Apparatus and method for reducing iron oxide pellets |
| US3135598A (en) | 1960-04-27 | 1964-06-02 | Yawata Iron & Steel Co | Rapid direct reduction method of iron oxide |
| JPS4947208A (https=) * | 1972-03-11 | 1974-05-07 | ||
| DE2422641C2 (de) | 1973-05-18 | 1985-11-21 | Centre de Recherches Métallurgiques-Centrum voor Research in de Metallurgie, Brüssel/Bruxelles | Verfahren zur Schachtofen-Erzreduktion |
| ZA802257B (en) * | 1979-04-24 | 1982-02-24 | Foster Wheeler Ltd | Production of reducing gas for furnace injection |
| AU543499B2 (en) * | 1979-04-24 | 1985-04-26 | Foster Wheeler Ltd. | Producing hydrogen and injecting into direct reduction furnaces or blast furnaces |
| US4363654A (en) * | 1980-04-08 | 1982-12-14 | Geoffrey Frederick | Production of reducing gas for furnace injection |
| JPS63171817A (ja) | 1987-01-09 | 1988-07-15 | Nkk Corp | 高炉付帯設備 |
| US6027545A (en) * | 1998-02-20 | 2000-02-22 | Hylsa, S.A. De C.V. | Method and apparatus for producing direct reduced iron with improved reducing gas utilization |
| CN101787406A (zh) * | 2010-01-12 | 2010-07-28 | 北京科技大学 | 一种超细赤铁矿粉非熔态还原工艺及装置 |
| KR101178536B1 (ko) * | 2010-12-28 | 2012-08-30 | 주식회사 포스코 | 환원철의 제조방법 및 제조장치 |
| CN105408500A (zh) * | 2013-07-31 | 2016-03-16 | 米德雷克斯技术公司 | 使用天然气将氧化铁还原为金属铁 |
| UA117374C2 (uk) * | 2013-07-31 | 2018-07-25 | Мідрекс Текнолоджиз, Інк. | Відновлення оксиду заліза до металевого заліза із застосуванням коксового газу та газу зі сталеплавильної печі з подачею кисню |
| JP5714750B1 (ja) * | 2014-06-02 | 2015-05-07 | 新日鉄住金エンジニアリング株式会社 | 直接還元鉄の製造設備、及び直接還元鉄の製造方法 |
| CN105219907A (zh) | 2015-10-14 | 2016-01-06 | 钢铁研究总院 | 高磷鲕状赤铁矿气基直接还原-磨矿磁选的炼铁工艺 |
| ES2769264T3 (es) | 2016-02-23 | 2020-06-25 | Bilstein Gmbh & Co Kg | Dispositivo y método para laminar una banda de material con espesor variable |
| EP3581663A1 (de) * | 2018-06-12 | 2019-12-18 | Primetals Technologies Austria GmbH | Herstellung von karburiertem eisenschwamm mittels wasserstoffbasierter direktreduktion |
| JP7121642B2 (ja) | 2018-11-20 | 2022-08-18 | Ｋｙｂ株式会社 | 流体圧制御装置 |
-
2021
- 2021-05-13 BR BR112022021572A patent/BR112022021572A2/pt not_active Application Discontinuation
- 2021-05-13 WO PCT/JP2021/018156 patent/WO2021230307A1/ja not_active Ceased
- 2021-05-13 CA CA3176131A patent/CA3176131A1/en active Pending
- 2021-05-13 AU AU2021272824A patent/AU2021272824B2/en active Active
- 2021-05-13 TW TW110117325A patent/TWI788843B/zh active
- 2021-05-13 JP JP2022522188A patent/JP7575697B2/ja active Active
- 2021-05-13 CN CN202180034277.4A patent/CN115552041A/zh active Pending
- 2021-05-13 KR KR1020227038898A patent/KR20220160694A/ko active Pending
- 2021-05-13 MX MX2022014023A patent/MX2022014023A/es unknown
- 2021-05-13 US US17/921,654 patent/US12486548B2/en active Active
- 2021-05-13 EP EP21804039.2A patent/EP4151754A4/en active Pending
-
2024
- 2024-06-05 JP JP2024091753A patent/JP2024113093A/ja active Pending
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