PRODUCTION METHOD OF BLAST FURNACE FEED AND BLAST FURNACE OPERATION METHOD USING THE BLAST FURNACE FEED

摘要

PPROBLEM TO BE SOLVED: To provide a production method of blast furnace feed containing TiOSB2/SB, and a blast furnace operation method by which bottom bricks are protected using the blast furnace feed. PSOLUTION: Slag 5 produced through the addition of iron sand to molten iron is separated and recovered from the molten iron 6, and its particle size is adjusted to a prescribed size using a crusher 11, sieving equipment 12, etc. The particle size is preferably adjusted to 5-70 mm to enable good ventilation in the furnace. The blast furnace feed produced through the method is used in the blast furnace operation method for effectively protecting the bottom bricks. PCOPYRIGHT: (C)2005,JPO&NCIPI