针对济钢中厚板厂2500生产线3#加热炉在大修技术改造中炉体及烧嘴砖漏火、纵梁包扎块保温效果差、T型梁冷却、炉顶结构等出现的重点问题提出改造方案,并结合生产实践进行了改造前后效果对比分析。结果表明:技术改造取得了满意的效果。 Aiming at the 3 # heating furnace of 3500 production line of Jigang Medium and Heavy Plate Factory, the key problems such as the leakage of furnace body and burner tile, the poor insulation effect of the stringers, the cooling of T-beam, Program, combined with production practices were compared before and after the transformation effect analysis. The results show that: the technological transformation has achieved satisfactory results.