JPWO2023199550A1 - - Google Patents

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Publication number
JPWO2023199550A1
JPWO2023199550A1 JP2023516075A JP2023516075A JPWO2023199550A1 JP WO2023199550 A1 JPWO2023199550 A1 JP WO2023199550A1 JP 2023516075 A JP2023516075 A JP 2023516075A JP 2023516075 A JP2023516075 A JP 2023516075A JP WO2023199550 A1 JPWO2023199550 A1 JP WO2023199550A1
Authority
JP
Japan
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
Application number
JP2023516075A
Other languages
Japanese (ja)
Other versions
JP7552881B2 (ja
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.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2023199550A1 publication Critical patent/JPWO2023199550A1/ja
Application granted granted Critical
Publication of JP7552881B2 publication Critical patent/JP7552881B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • C21B7/163—Blowpipe assembly
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B2005/005—Selection or treatment of the reducing gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
JP2023516075A 2022-04-11 2022-12-16 高炉の操業方法 Active JP7552881B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022064977 2022-04-11
JP2022064977 2022-04-11
PCT/JP2022/046305 WO2023199550A1 (ja) 2022-04-11 2022-12-16 高炉の操業方法

Publications (2)

Publication Number Publication Date
JPWO2023199550A1 true JPWO2023199550A1 (enExample) 2023-10-19
JP7552881B2 JP7552881B2 (ja) 2024-09-18

Family

ID=88329530

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023516075A Active JP7552881B2 (ja) 2022-04-11 2022-12-16 高炉の操業方法

Country Status (6)

Country Link
EP (1) EP4477762A4 (enExample)
JP (1) JP7552881B2 (enExample)
KR (1) KR20240160150A (enExample)
CN (1) CN119032183A (enExample)
TW (1) TWI859671B (enExample)
WO (1) WO2023199550A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025211235A1 (ja) * 2024-04-01 2025-10-09 日本製鉄株式会社 非焼成含炭塊成鉱の製造方法およびケイ酸バイオマスの高炉利用方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002060809A (ja) * 2000-08-08 2002-02-28 Nippon Steel Corp 化学組成を調整した焼結鉱を使用する低炉熱高炉操業方法
WO2011021577A1 (ja) * 2009-08-21 2011-02-24 新日本製鐵株式会社 高炉用の非焼成含炭塊成鉱およびその製造方法
JP2015199978A (ja) * 2014-04-04 2015-11-12 新日鐵住金株式会社 還元鉄を用いた高炉操業方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790711A (en) * 1957-04-30 Molten
US3460934A (en) * 1966-12-19 1969-08-12 John J Kelmar Blast furnace method
JP2962195B2 (ja) 1995-06-27 1999-10-12 住友金属工業株式会社 高炉操業方法
JPH09143516A (ja) * 1995-11-17 1997-06-03 Nippon Steel Corp 竪型炉の操業方法
AUPO944697A0 (en) * 1997-09-26 1997-10-16 Technological Resources Pty Limited A method of producing metals and metal alloys
JP3705243B2 (ja) 2002-06-05 2005-10-12 住友金属工業株式会社 高炉操業方法
JP2005298923A (ja) 2004-04-13 2005-10-27 Nippon Steel Corp 高炉における高鉱石／還元材比操業方法
WO2009123115A1 (ja) * 2008-03-31 2009-10-08 新日本製鐵株式会社 還元鉄の製造方法
JP2013082971A (ja) * 2011-10-11 2013-05-09 Nippon Steel & Sumitomo Metal Corp 高炉の操業方法
CN105349725A (zh) * 2015-11-07 2016-02-24 衡南扬钢冶金技术有限公司 一种自燃还原法炼铁方法及冶炼装置
CN110229939B (zh) * 2019-07-15 2024-05-07 陶立群 一种两段回转窑法非焦炼铁装置
JP7339222B2 (ja) * 2020-09-03 2023-09-05 株式会社神戸製鋼所 銑鉄製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002060809A (ja) * 2000-08-08 2002-02-28 Nippon Steel Corp 化学組成を調整した焼結鉱を使用する低炉熱高炉操業方法
WO2011021577A1 (ja) * 2009-08-21 2011-02-24 新日本製鐵株式会社 高炉用の非焼成含炭塊成鉱およびその製造方法
JP2015199978A (ja) * 2014-04-04 2015-11-12 新日鐵住金株式会社 還元鉄を用いた高炉操業方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
大野陽太郎・松浦正博: "酸素高炉プロセスにおける炉内装入物の昇温，反応特性", 鉄と鋼, vol. 第76巻第８号, JPN7024000731, 1990, JP, pages 60 - 67, ISSN: 0005270894 *

Also Published As

Publication number Publication date
EP4477762A1 (en) 2024-12-18
CN119032183A (zh) 2024-11-26
JP7552881B2 (ja) 2024-09-18
KR20240160150A (ko) 2024-11-08
WO2023199550A1 (ja) 2023-10-19
TW202340482A (zh) 2023-10-16
EP4477762A4 (en) 2025-05-14
TWI859671B (zh) 2024-10-21

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