总结了石家庄钢铁厂300m~3高炉煤气布袋除尘器几年来的运行效果;对滤袋选择及吊挂结构的改进以及半净煤气温度控制、输卸灰和反吹清灰等的改进作了重点论述。实践表明,布袋除尘器在300m~3高炉煤气除尘系统应用是成功的,比湿法有明显的优越性,应予大力推广。 Summarizes the operation effect of blast furnace gas bag filter of 300m ~ 3 blast furnace in Shijiazhuang Iron and Steel Plant in recent years; focuses on the improvement of filter bag selection and suspension structure and the improvement of semi-clean gas temperature control, transportation and unloading ash and blow-back cleaning Discussion. Practice shows that the bag filter in the 300m ~ 3 blast furnace gas dust removal system is successful, than the wet method has obvious advantages, should be vigorously promoted.