柳钢2号高炉1985年元月大修改造后投产,炉容由255m~3扩大至318m~3。1990年元月进行中修,1992年2月发现炉身第七层冷却壁漏水,随后几个月又陆续发现炉腰、炉腹、炉缸段冷却壁漏水,炉身西北面砖衬脱落,炉皮发红、拉裂。原定1994年元月大修。因故要推迟,为此,采取了一系列护炉技术措施。 Liuzhou Iron and Steel No. 2 blast furnace in 1985 January overhaul and put into operation, the furnace capacity expanded from 255m ~ 3 to 318m ~ 3. January 1990 for repair, found in February 1992 the seventh floor of the shaft cooling wall leakage, followed by a few Months and then gradually discovered the waist, belly, grate cylinder wall leakage, the northwest brick lining off, stove skin red, cracked. Originally scheduled for January 1994 overhaul. For reasons to be postponed, therefore, adopted a series of protection technology measures.