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针对炼铁高炉热风阀密封存在的不足之处 ,通过对柔性石墨盘根密封的原理和材料的分析 ,改进了密封材料 ,取得了良好的密封效果和经济效益
Aiming at the shortcomings of hot air valve sealing in ironmaking blast furnace, the sealing material was improved by the principle and material analysis of flexible graphite packing, and the good sealing and economic benefits were obtained