CAST HOUSE HAVING AN APPARATUS TO CONTROL DUST COLLECTING HOLES FOR ENHANCING DUST COLLECTING EFFICIENCY OF AROUND A TILTING RUNNER WHEN MELTED IRON IS RELEASED FROM A BLAST FURNACE

摘要

PURPOSE: A cast house having a dust-collecting hole controlling device for enhancing dust collection efficiency around a tilting runner in ejecting melted iron a blast furnace are provided to the large amount of dusts according to the increase of air flow rate inside a cast house and a dust collection house. CONSTITUTION: A cast house having a dust-collecting hole controlling device comprises a division wall part(132) and first and second walls(134,136). The first and second walls form first and second paces(102,104) containing ladles(10,20), along with the division wall part, respectively. The top portion of the first and second walls is blocked with a dust collecting house(200).