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目前国家钢铁行业政策明确要求:炼铁高炉应大型化以更好满足环保和节能减排的要求。新建大型高炉有效容积一般在3 200～5 500 m3之间,其除尘系统一般划分为供料、出铁场、炉顶等三个除尘系统,采用高效捕集罩、高效布袋除尘器、高效电机变频调速节能等技术。国内大型高炉的设计、建设、生产水平,已经达到国际先进水平。
At present, the national steel industry policy clearly requires that the blast furnace of ironmaking be enlarged to better meet the requirements of environmental protection and energy conservation and emission reduction. The effective volume of the new large blast furnace is generally between 3 200 ~ 5 500 m3. The dust removal system is generally divided into three dedusting systems such as feeding, tapping yard and roof. The high-efficiency catching hood, high efficiency bag filter and high efficiency motor Frequency control technology such as energy saving. Domestic large blast furnace design, construction, production level, has reached the international advanced level.