节点：中游（冶炼、中间品）位置：中游情绪：中性参考度：2/10
SMS集团于捷克Třinecké Železárny完成BF4高炉炉缸局部修复工程。该高炉年产能达3100吨生铁，其炉缸区域及出铁口内衬磨损程度显著。本次修复涉及碳块更换，并采用耐热混凝土对炉缸整体进行剖面重塑，既避免了高炉全面重建，又大幅缩减停机时间，最终按计划实现炉缸结构的安全耐..
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