METHOD FOR PROTECTING CENTER PART OF FURNACE BOTTOM IN BLAST FURNACE

METHOD FOR PROTECTING CENTER PART OF FURNACE BOTTOM IN BLAST FURNACE

PURPOSE:Prevent a damage at the center part of a furnace bottom in a blast furnace. CONSTITUTION:Temp. at the center part of furnace bottom is continuously detected during the operation of the blast furnace and at the time of recognizing the rise of temp. at the center part of the furnace bottom, Ti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAMURA KENJI, HASEGAWA MORIHIRO, TANAKA KATSUHIRO, ORIMO FUMIAKI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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Beschreibung
Zusammenfassung:PURPOSE:Prevent a damage at the center part of a furnace bottom in a blast furnace. CONSTITUTION:Temp. at the center part of furnace bottom is continuously detected during the operation of the blast furnace and at the time of recognizing the rise of temp. at the center part of the furnace bottom, Ti source is blown from tuyeres present in the range of 180 + or -30 deg. in the circular direction from the position of the iron tapping hole in the condition of >=0.05kg/Nm solid-gas ratio to form titanium bear at the center part of furnace bottom.