JP2024107148A5 - - Google Patents
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- Publication number
- JP2024107148A5 JP2024107148A5 JP2024091832A JP2024091832A JP2024107148A5 JP 2024107148 A5 JP2024107148 A5 JP 2024107148A5 JP 2024091832 A JP2024091832 A JP 2024091832A JP 2024091832 A JP2024091832 A JP 2024091832A JP 2024107148 A5 JP2024107148 A5 JP 2024107148A5
- Authority
- JP
- Japan
- Prior art keywords
- gas
- shaft furnace
- reducing
- unreacted
- blown
- 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.)
- Granted
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Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020093139 | 2020-05-28 | ||
| JP2020093139 | 2020-05-28 | ||
| PCT/JP2021/018391 WO2021241272A1 (ja) | 2020-05-28 | 2021-05-14 | 還元鉄の製造方法 |
| JP2022526889A JP7575698B2 (ja) | 2020-05-28 | 2021-05-14 | 還元鉄の製造方法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022526889A Division JP7575698B2 (ja) | 2020-05-28 | 2021-05-14 | 還元鉄の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2024107148A JP2024107148A (ja) | 2024-08-08 |
| JP2024107148A5 true JP2024107148A5 (https=) | 2025-06-23 |
| JP7741429B2 JP7741429B2 (ja) | 2025-09-18 |
Family
ID=78744545
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022526889A Active JP7575698B2 (ja) | 2020-05-28 | 2021-05-14 | 還元鉄の製造方法 |
| JP2024091832A Active JP7741429B2 (ja) | 2020-05-28 | 2024-06-05 | 還元鉄の製造方法 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022526889A Active JP7575698B2 (ja) | 2020-05-28 | 2021-05-14 | 還元鉄の製造方法 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US12595522B2 (https=) |
| EP (1) | EP4159879A4 (https=) |
| JP (2) | JP7575698B2 (https=) |
| KR (1) | KR20220158079A (https=) |
| CN (1) | CN115552042A (https=) |
| AU (1) | AU2021281774B2 (https=) |
| CA (1) | CA3176589A1 (https=) |
| MX (1) | MX2022013918A (https=) |
| TW (1) | TWI789760B (https=) |
| WO (1) | WO2021241272A1 (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2021276093A1 (en) | 2020-05-20 | 2023-02-02 | Luossavaara Kiirunavaara Ab | Raise caving method for mining deposits, and a mining infrastructure, monitoring system, machinery, control system and data medium therefor |
| SE546002C2 (en) | 2020-10-22 | 2024-04-09 | Luossavaara Kiirunavaara Ab | A blasting system and a method of explosive material charging |
| SE546026C2 (en) | 2020-10-22 | 2024-04-16 | Luossavaara Kiirunavaara Ab | Detonator support device and method of charging a blasthole |
| JP2025510857A (ja) * | 2022-03-30 | 2025-04-15 | プライメタルズ・テクノロジーズ・オーストリア・ゲーエムベーハー | 金属酸化物含有材料のアンモニアｎｈ３に基づく還元 |
| EP4253572A1 (de) * | 2022-03-30 | 2023-10-04 | Primetals Technologies Austria GmbH | Reduktion metalloxidhaltigen materials auf basis von ammoniak nh3 |
| SE547277C2 (en) * | 2022-04-01 | 2025-06-17 | Luossavaara Kiirunavaara Ab | Method and configuration for producing reduced iron ore material |
| EP4509617A4 (en) * | 2022-08-30 | 2025-06-11 | JFE Mineral & Alloy Company, Ltd. | CIRCULATION REDUCTION SYSTEM, IRON ORE REDUCTION METHOD, AND BLAST FURNACE OPERATING METHOD |
| WO2024258966A2 (en) * | 2023-06-14 | 2024-12-19 | Trustees Of Tufts College | Methods for reducing metal oxides with ammonia gas |
| CN116769987A (zh) * | 2023-07-07 | 2023-09-19 | 鞍钢集团工程技术有限公司 | 一种氨气喷吹煤粉的方法及系统 |
| JP7622914B1 (ja) * | 2023-07-25 | 2025-01-28 | Ｊｆｅスチール株式会社 | ガス還元率測定方法、高炉操業方法、直接還元シャフト炉の操業方法及び鉄原料 |
| CN116970748B (zh) * | 2023-08-04 | 2025-10-17 | 青海亚洲硅业多晶硅有限公司 | 一种氨氢冶金装置及方法 |
| SE548168C2 (en) * | 2023-10-09 | 2026-04-13 | Hybrit Dev Ab | Process and system for production of passivated cold direct reduced iron |
| WO2025134546A1 (ja) * | 2023-12-18 | 2025-06-26 | 日本製鉄株式会社 | 還元鉄の製造方法 |
| EP4624594A1 (de) * | 2024-03-28 | 2025-10-01 | Primetals Technologies Austria GmbH | Reduktion eisenoxidhaltigen materials mit ammoniak nh3 |
| WO2025202253A1 (de) * | 2024-03-28 | 2025-10-02 | Primetals Technologies Austria GmbH | Reduktion eisenoxidhaltigen materials mit ammoniak nh3 |
| WO2026037794A1 (de) * | 2024-08-14 | 2026-02-19 | Primetals Technologies Austria GmbH | Herstellung von nitridiertem eisenschwamm |
Family Cites Families (25)
| 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 |
| US2862808A (en) * | 1957-07-31 | 1958-12-02 | Alan N Mann | Apparatus and method for reducing iron oxide pellets |
| JPS4947208A (https=) * | 1972-03-11 | 1974-05-07 | ||
| JPS49121708A (https=) * | 1973-03-26 | 1974-11-21 | ||
| AU543499B2 (en) | 1979-04-24 | 1985-04-26 | Foster Wheeler Ltd. | Producing hydrogen and injecting into direct reduction furnaces or blast furnaces |
| ZA802257B (en) * | 1979-04-24 | 1982-02-24 | Foster Wheeler Ltd | Production of reducing gas for furnace injection |
| US4363654A (en) * | 1980-04-08 | 1982-12-14 | Geoffrey Frederick | Production of reducing gas for furnace injection |
| US4556417A (en) * | 1983-05-17 | 1985-12-03 | Hylsa, S.A. | Process for the direct reduction of iron ores |
| 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 |
| BRPI0611894B1 (pt) | 2005-06-24 | 2015-07-21 | Technological Resources Ptv Ltd | Processo e usina para produzir ferro a partir de um material que contém ferro |
| JP2010046055A (ja) | 2008-07-25 | 2010-03-04 | Toshio Kondo | 海藻の収穫装置とその装置を使用した収穫方法 |
| CN101586172B (zh) * | 2009-07-06 | 2010-09-01 | 何德武 | 金属化球团和还原铁粉的制备方法 |
| 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 |
| JP5605828B2 (ja) | 2010-03-03 | 2014-10-15 | 国立大学法人北海道大学 | 製鉄方法および製鉄システム |
| CN101935732B (zh) * | 2010-08-11 | 2014-06-11 | 中冶赛迪上海工程技术有限公司 | 一种气基还原竖炉还原煤气的入炉方法 |
| JP5594013B2 (ja) * | 2010-09-21 | 2014-09-24 | Ｊｆｅスチール株式会社 | 還元鉄製造方法 |
| KR101178536B1 (ko) * | 2010-12-28 | 2012-08-30 | 주식회사 포스코 | 환원철의 제조방법 및 제조장치 |
| CN102206724B (zh) * | 2011-05-03 | 2012-09-05 | 苏亚杰 | 焦炉煤气干熄焦联产直接还原铁的方法 |
| JP2013216929A (ja) * | 2012-04-05 | 2013-10-24 | Jfe Steel Corp | 還元鉄の冷却方法 |
| 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 |
| CN104293998A (zh) * | 2014-07-18 | 2015-01-21 | 北京神雾环境能源科技集团股份有限公司 | 气基竖炉制备海绵铁的方法和系统 |
| 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 |
| EP3581663A1 (de) | 2018-06-12 | 2019-12-18 | Primetals Technologies Austria GmbH | Herstellung von karburiertem eisenschwamm mittels wasserstoffbasierter direktreduktion |
| JP2020093139A (ja) | 2020-03-17 | 2020-06-18 | 株式会社三洋物産 | 遊技機 |
-
2021
- 2021-05-14 WO PCT/JP2021/018391 patent/WO2021241272A1/ja not_active Ceased
- 2021-05-14 CA CA3176589A patent/CA3176589A1/en active Pending
- 2021-05-14 US US17/921,745 patent/US12595522B2/en active Active
- 2021-05-14 JP JP2022526889A patent/JP7575698B2/ja active Active
- 2021-05-14 EP EP21814169.5A patent/EP4159879A4/en active Pending
- 2021-05-14 KR KR1020227038940A patent/KR20220158079A/ko active Pending
- 2021-05-14 CN CN202180034422.9A patent/CN115552042A/zh active Pending
- 2021-05-14 MX MX2022013918A patent/MX2022013918A/es unknown
- 2021-05-14 AU AU2021281774A patent/AU2021281774B2/en active Active
- 2021-05-17 TW TW110117810A patent/TWI789760B/zh active
-
2024
- 2024-06-05 JP JP2024091832A patent/JP7741429B2/ja active Active
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