An introduction of the application situation Of cooling wall in the world as well as thereasons for the early damage of the waterpipe on 3BF and the countermeasures are made in this paper.

• 介绍了国内外大型高炉应用冷却壁的情况，分析了宝钢3BF冷却壁水管早期损坏的原因及采取的对策。