烧结机头除尘灰特性及资源化利用进展  

Characteristics and recycling progress of dust in sintering machine head

作　　者：马怀营 裴元东 潘文 陈绍国 MA Huai-ying;PEI Yuan-dong;PAN Wen;CHEN Shao-guo(Beijing Key Laboratory of Green Recyelable Process for Iron and Steel Production Technology, Beijing 100043, China;Iron and Steel Research Institute, Research Institute of Technology, Shougang Group Corporation, Beijing 100043, China)

机构地区：[1]绿色可循环钢铁流程北京市重点实验室,北京100043 [2]首钢集团有限公司技术研究院钢铁技术研究所,北京100043

出　　处：《中国冶金》2018年第6期5-8,12,共5页China Metallurgy

基　　金：国家重点研发计划专项资助项目(2017YFB0304300&2017YFB0304302)

摘　　要：介绍了烧结机头除尘灰的特性以及目前针对烧结机头除尘灰的的利用方法,分析了各种利用方法的利弊,对未来烧结机头除尘灰的利用提出了展望。即先利用烟气循环工艺对烧结机头除尘灰进行减量化,再结合钢厂的实际情况,采取优化原料结构降低除尘灰中有害元素含量,回用烧结、分离有害元素制备肥料等高附加值产品及金属化球团等方式,实现其经济合理的再循环利用。Characteristics and main utilization methods of precipitator dust in sintering machine head were introduced.Advantages and disadvantages of each method were discussed in order to propose a proper recycling method.In the future,an economic and proper way of recycling the dust in sintering machine head would first decrease its amount by sintering flue gas recirculation.Then in accordance with the local condition of each still mill,the raw materials were optimized to decrease the harmful elements before recycling for producing high value-added products or metalized pellets.Thus,the economic and reasonable recycle utilization was realized.

关 键 词：烧结除尘灰 循环利用 烟气循环 减量化 有害元素 

分 类 号：X757[环境科学与工程—环境工程]