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采用高炉扒炉调查、破损冷却壁实体解剖、统计分析、试验研究等方法，对分别使用灰铸铁（ＨＴ） 与球墨铸铁（ＱＴ） 材质的马钢３ ＃ 和１３ ＃ 高炉冷却壁的宏观破损规律与成因，以及微观破损机制等进行了比较研究－ 总结提出了６ 个方面的长寿改进对策
The macroscopic rupture rules of 3 # and 13 # blast furnace staves using gray cast iron (HT) and ductile iron (QT), respectively, were investigated by using blast furnace furnace investigation, physical anatomy of damaged cooling stave, statistical analysis and experimental study. And causes, as well as micro-damage mechanisms were compared - summed up six aspects of the longevity improvement measures