JPH0442447B2 - - Google Patents

Info

Publication number
JPH0442447B2
JPH0442447B2 JP25158985A JP25158985A JPH0442447B2 JP H0442447 B2 JPH0442447 B2 JP H0442447B2 JP 25158985 A JP25158985 A JP 25158985A JP 25158985 A JP25158985 A JP 25158985A JP H0442447 B2 JPH0442447 B2 JP H0442447B2
Authority
JP
Japan
Prior art keywords
concentration
hot metal
oxide
iron oxide
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.)
Expired
Application number
JP25158985A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62112712A (ja
Inventor
Yoshimasa Kajiwara
Chisato Yamagata
Shinichi Suyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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 by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP25158985A priority Critical patent/JPS62112712A/ja
Publication of JPS62112712A publication Critical patent/JPS62112712A/ja
Publication of JPH0442447B2 publication Critical patent/JPH0442447B2/ja
Granted 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
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal
    • C21B5/004—Injection of slurries

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
JP25158985A 1985-11-09 1985-11-09 高炉の操業方法 Granted JPS62112712A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25158985A JPS62112712A (ja) 1985-11-09 1985-11-09 高炉の操業方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25158985A JPS62112712A (ja) 1985-11-09 1985-11-09 高炉の操業方法

Publications (2)

Publication Number Publication Date
JPS62112712A JPS62112712A (ja) 1987-05-23
JPH0442447B2 true JPH0442447B2 (cs) 1992-07-13

Family

ID=17225060

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25158985A Granted JPS62112712A (ja) 1985-11-09 1985-11-09 高炉の操業方法

Country Status (1)

Country Link
JP (1) JPS62112712A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4832363B2 (ja) * 2007-06-05 2011-12-07 株式会社コガネイ 減圧弁
CN114749462B (zh) * 2022-04-06 2023-03-07 北京盈丰利泰科贸有限公司 一种气调剂残渣回收处理工艺

Also Published As

Publication number Publication date
JPS62112712A (ja) 1987-05-23

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