JPS5431006A - Opening method for tap hole of blast furnace - Google Patents

Opening method for tap hole of blast furnace

Info

Publication number
JPS5431006A
JPS5431006A JP9675777A JP9675777A JPS5431006A JP S5431006 A JPS5431006 A JP S5431006A JP 9675777 A JP9675777 A JP 9675777A JP 9675777 A JP9675777 A JP 9675777A JP S5431006 A JPS5431006 A JP S5431006A
Authority
JP
Japan
Prior art keywords
tap hole
blast furnace
hole
opening method
furnace
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
JP9675777A
Other languages
Japanese (ja)
Inventor
Hisanori Hara
Kenji Chiba
Tamotsu Osaki
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
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP9675777A priority Critical patent/JPS5431006A/en
Publication of JPS5431006A publication Critical patent/JPS5431006A/en
Pending legal-status Critical Current

Links

Landscapes

  • Blast Furnaces (AREA)

Abstract

PURPOSE: To tap the molten pig iron to the trough in a stable state, by forming the runner by boring a hole in the blocking mud filled in the tap hole to a specified range of the whole length of the mud from the otuside of the furnace, heating this runner compulsively, after that boring a hole in the remaining blocking mud at the inner side of the furnace and by then tapping the pig iron.
COPYRIGHT: (C)1979,JPO&Japio
JP9675777A 1977-08-12 1977-08-12 Opening method for tap hole of blast furnace Pending JPS5431006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9675777A JPS5431006A (en) 1977-08-12 1977-08-12 Opening method for tap hole of blast furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9675777A JPS5431006A (en) 1977-08-12 1977-08-12 Opening method for tap hole of blast furnace

Publications (1)

Publication Number Publication Date
JPS5431006A true JPS5431006A (en) 1979-03-07

Family

ID=14173519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9675777A Pending JPS5431006A (en) 1977-08-12 1977-08-12 Opening method for tap hole of blast furnace

Country Status (1)

Country Link
JP (1) JPS5431006A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041942A1 (en) * 1980-06-06 1981-12-16 Vereinigte Edelstahlwerke Aktiengesellschaft (Vew) Method of alternately closing and opening the tap hole of metallurgical furnaces, especially of blast furnaces
JPH01178402A (en) * 1988-01-08 1989-07-14 Ngk Insulators Ltd Manufacture of hollow molding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041942A1 (en) * 1980-06-06 1981-12-16 Vereinigte Edelstahlwerke Aktiengesellschaft (Vew) Method of alternately closing and opening the tap hole of metallurgical furnaces, especially of blast furnaces
JPH01178402A (en) * 1988-01-08 1989-07-14 Ngk Insulators Ltd Manufacture of hollow molding

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