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某钢厂5 000 m3高炉热风主管出现了严重的大面积塌砖,塌砖长度沿主管道长达近40 m。采用刚玉莫来石快干浇注料对该主管实施一次性整体浇注修补,用时5天恢复了正常生产,降低了钢厂的经济损失。实践表明:刚玉莫来石快干浇注料的应用取得了满意的修复效果。
The hot blast supervisor of a 5 000 m3 blast furnace in a steel mill experienced serious large-scale collapsing brick whose length was nearly 40 m along the main pipeline. The use of corundum mullite quick-drying castables to the director to implement a one-time overall pouring repair, with 5 days to resume normal production, reducing the economic losses of steel mills. Practice shows that: corundum mullite quick-drying castable application has achieved satisfactory repair effect.