1 简况 柳钢2号高炉第二代炉役从1985年1月5日完成扩容改造大修后(炉容由255m~3扩至318m~3)投产以来,到今年5月共生产了14年5个月,单位炉容产铁量为8310t/m~3。其间虽经过两次中修(1989年12月第一次中修,因提高出铁口高度等炉容改为308m~3;1996年1月第二次中修),但2 1 Brief Introduction The second generation of the No.3 BF of the Liuzhou Iron and Steel Works has been produced for 14 years since May of this year since it was put into operation on January 5, 1985 after its capacity expansion and renovation (furnace capacity expanded from 255m 3 to 318m 3) Month, the unit capacity of iron furnace 8310t / m ~ 3. Although during the intermediate repair twice (in December 1989 the first repair, due to increase the height of the taphole, such as the furnace capacity to 308m ~ 3; January 1996 second repair), but 2