The performance relationship between blast furnace and the corresponding blast volume of the blast fan was analyzed in view of the practical operation state of blast furnace fans in domestic steelmaking sector. EPU anti-surge technology was adopted based on actual cases, which has achieved the goal of energy saving and consumption reduction.%针对冶金行业高炉鼓风机实际运行工况，分析了高炉与鼓风机对应风量的性能关系，并基于实际案例采用了EPU防喘振性能技术，达到了节能降耗的目的。
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