Utilizing the chance of dismantling the furnace, the writer investigated the damaged situation of furnace body, analysed its damaged reasons and introduced the longevity methods in this paper.

• 作者借拆炉机会对炉体破损情况做了详细调查，本文结合酒钢2号高炉分析高炉破损原因，探讨高炉长寿措施。