JPH0471015B2 - - Google Patents

Info

Publication number
JPH0471015B2
JPH0471015B2 JP23448386A JP23448386A JPH0471015B2 JP H0471015 B2 JPH0471015 B2 JP H0471015B2 JP 23448386 A JP23448386 A JP 23448386A JP 23448386 A JP23448386 A JP 23448386A JP H0471015 B2 JPH0471015 B2 JP H0471015B2
Authority
JP
Japan
Prior art keywords
diameter
furnace
bit
pig iron
slag
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
JP23448386A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6389429A (ja
Inventor
Akio Ihara
Yasuto Nishida
Yoshinobu Oda
Shunji Kuwazuka
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.)
Shin Etsu Chemical Co Ltd
Nippon Steel Corp
Original Assignee
Shin Etsu Chemical Co Ltd
Nippon Steel Corp
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 Shin Etsu Chemical Co Ltd, Nippon Steel Corp filed Critical Shin Etsu Chemical Co Ltd
Priority to JP23448386A priority Critical patent/JPS6389429A/ja
Publication of JPS6389429A publication Critical patent/JPS6389429A/ja
Publication of JPH0471015B2 publication Critical patent/JPH0471015B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/12—Opening or sealing the tap holes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP23448386A 1986-10-03 1986-10-03 多段階開孔による残銑抜取方法 Granted JPS6389429A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23448386A JPS6389429A (ja) 1986-10-03 1986-10-03 多段階開孔による残銑抜取方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23448386A JPS6389429A (ja) 1986-10-03 1986-10-03 多段階開孔による残銑抜取方法

Publications (2)

Publication Number Publication Date
JPS6389429A JPS6389429A (ja) 1988-04-20
JPH0471015B2 true JPH0471015B2 (enrdf_load_stackoverflow) 1992-11-12

Family

ID=16971726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23448386A Granted JPS6389429A (ja) 1986-10-03 1986-10-03 多段階開孔による残銑抜取方法

Country Status (1)

Country Link
JP (1) JPS6389429A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6389429A (ja) 1988-04-20

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