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对于高炉在长炉龄的安全、稳定运行而言,热风系统是最关键的辅助设备。DC热风炉的优化设计所达到的程度,在有些情况下、除了燃烧器和一些关键区域之外、其寿命已超越所关联的高炉寿命。这篇文章阐述了近来关于设计、建造新热风系统、长期操作运行现有的热风系统、以及优化性能方面的研发。 这些研发包含基本的改进,比如:穹顶燃烧设计,以及愈加全面的检查、评估和维护技术一揽子方案。这类技术的实例有:热风系统在操作运行温度下更换燃烧器、改进双炉壳方法、以及超声波衍射时差法测量应用。
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