JPWO2025158890A5 - - Google Patents

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Publication number
JPWO2025158890A5
JPWO2025158890A5 JP2025536422A JP2025536422A JPWO2025158890A5 JP WO2025158890 A5 JPWO2025158890 A5 JP WO2025158890A5 JP 2025536422 A JP2025536422 A JP 2025536422A JP 2025536422 A JP2025536422 A JP 2025536422A JP WO2025158890 A5 JPWO2025158890 A5 JP WO2025158890A5
Authority
JP
Japan
Prior art keywords
direct reduction
furnace
operating
reduction furnace
gas
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
JP2025536422A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2025158890A1 (https=
Publication date
Application filed filed Critical
Priority claimed from PCT/JP2025/000172 external-priority patent/WO2025158890A1/ja
Publication of JPWO2025158890A1 publication Critical patent/JPWO2025158890A1/ja
Publication of JPWO2025158890A5 publication Critical patent/JPWO2025158890A5/ja
Pending legal-status Critical Current

Links

JP2025536422A 2024-01-24 2025-01-07 Pending JPWO2025158890A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2024008406 2024-01-24
PCT/JP2025/000172 WO2025158890A1 (ja) 2024-01-24 2025-01-07 直接還元炉の操業方法および還元鉄の製造方法

Publications (2)

Publication Number Publication Date
JPWO2025158890A1 JPWO2025158890A1 (https=) 2025-07-31
JPWO2025158890A5 true JPWO2025158890A5 (https=) 2025-12-23

Family

ID=96544807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025536422A Pending JPWO2025158890A1 (https=) 2024-01-24 2025-01-07

Country Status (2)

Country Link
JP (1) JPWO2025158890A1 (https=)
WO (1) WO2025158890A1 (https=)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810657C2 (de) * 1978-03-11 1980-01-24 Hamburger Stahlwerke Gmbh, 2103 Hamburg Verfahren zur Direktreduktion von Eisenerzen
JPS59123708A (ja) * 1982-12-27 1984-07-17 Sumitomo Metal Ind Ltd シヤフト炉による還元鉄製造法
JPS6199612A (ja) * 1984-10-22 1986-05-17 Nippon Steel Corp 酸化鉄の直接還元装置におけるガス再循環装置
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
JP7040659B1 (ja) * 2021-03-31 2022-03-23 Ｊｆｅスチール株式会社 還元炉の操業方法

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