JPWO2023223724A1 - - Google Patents

Info

Publication number
JPWO2023223724A1
JPWO2023223724A1 JP2023546456A JP2023546456A JPWO2023223724A1 JP WO2023223724 A1 JPWO2023223724 A1 JP WO2023223724A1 JP 2023546456 A JP2023546456 A JP 2023546456A JP 2023546456 A JP2023546456 A JP 2023546456A JP WO2023223724 A1 JPWO2023223724 A1 JP WO2023223724A1
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.)
Pending
Application number
JP2023546456A
Other languages
Japanese (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 JPWO2023223724A1 publication Critical patent/JPWO2023223724A1/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C21B7/00—Blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/14—Discharging devices, e.g. for slag

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Charging Or Discharging (AREA)
JP2023546456A 2022-05-19 2023-04-12 Pending JPWO2023223724A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022082109 2022-05-19
PCT/JP2023/014825 WO2023223724A1 (en) 2022-05-19 2023-04-12 Blast furnace operation method

Publications (1)

Publication Number Publication Date
JPWO2023223724A1 true JPWO2023223724A1 (en) 2023-11-23

Family

ID=88835001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023546456A Pending JPWO2023223724A1 (en) 2022-05-19 2023-04-12

Country Status (2)

Country Link
JP (1) JPWO2023223724A1 (en)
WO (1) WO2023223724A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57104605A (en) * 1980-12-22 1982-06-29 Sumitomo Metal Ind Ltd Method for blowing out of blast furnace
JPS57177905A (en) * 1981-04-24 1982-11-01 Kawasaki Steel Corp Emptying and blowing out operation for blast furnace
JPH0196308A (en) * 1987-10-07 1989-04-14 Kawasaki Steel Corp Method for operating blow-down in blast furnace
JPH0390505A (en) * 1989-09-01 1991-04-16 Nippon Steel Corp Method for reducing remaining iron at the time of blowing down in blast furnace
KR100754149B1 (en) * 2001-09-06 2007-08-31 주식회사 포스코 A method for last blow working of blast furnace

Also Published As

Publication number Publication date
WO2023223724A1 (en) 2023-11-23

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Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230801