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Title:
CLOGGING MATERIAL FOR BLAST FURNACE TAP HOLE
Document Type and Number:
Japanese Patent JP3696149
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To improve the corrosion resistance of a clogging material for clogging and opening a blast furnace tap hole, and to extend tapping time.
SOLUTION: The clogging material for a blast furnace tap hole contains NiO powder of ≤0.5 mm length in 0.01 to 10.0 wt.%. The clogging material preferably contains the powder or coarse grains of a silicon carbide raw material in ≥1 wt.%.


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Inventors:
Masakazu Iida
Nobuaki Muroi
Seijiro Tanaka
Application Number:
JP2001334941A
Publication Date:
September 14, 2005
Filing Date:
October 31, 2001
Export Citation:
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Assignee:
jfe Furnace Material Co., Ltd.
International Classes:
C04B35/66; C21B7/12; (IPC1-7): C04B35/66; C21B7/12
Domestic Patent References:
JP10324576A
JP2001080969A
Attorney, Agent or Firm:
Kuniaki Morimoto



 
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