鞍钢新4#高炉应用技术的自主创新李仲王宝海姜庆喜汤清华（鞍钢股份有限公司）摘要鞍钢在淘汰90余年历史的4座小高炉基础上建设一座2580m3高炉，利用国内技术集成与创新。采用了烧结矿分级入炉及小块焦回收，炉顶料流阀重量调节控制、超滤反渗透除盐水工艺、炉体长寿综合技术、球式顶燃热风炉预热的高风温外燃式热风炉、国产冷水INBA法炉渣处理、旋流式煤气重力除尘器配干法煤气除尘、遥控操作全液压开口机和泥炮，远距离直接喷煤等新技术，全部由鞍钢自主开发和建设，且做到了一次投产成功。关键词高炉新技术超滤反渗透旋流除尘ApplyingInnovationTechnologyInNewNo.4BFofAngangLiZhongWangBaohaiJiangQingxiTangQinghua(AnsteelCo,.Lt)AbstractThe2580m3BFwasbuildaftereliminating90years4smallBFs,whosetechnologiescomefromhome.Thesenewtechnologiesaredevelopedandbuild,andsuccessforonetime.Forinstance,fillingbyfractionsizeofsinter,recyclingfinecoke,valvecontrollingbyweight,ultra-filtrationreverseosmosisdesaltingwater,stacklongevity,hightemperatureexternalcombustionstovepreheatingbyballtopcombustionpreheatingfurnace,watercooledINBAslaggranulati..