矿热电炉处理富钾岩石制备硅铝铁及钾肥新工艺  

Production of ferro-silico-aluminum and potash fertilizer by treating potassium-rich rock in the submerged arc furnace

作　　者：肖赛君[1] 章俊[1] 王振[1] 

机构地区：[1]安徽工业大学冶金工程学院,安徽马鞍山243002

出　　处：《中国有色冶金》2016年第4期66-70,共5页China Nonferrous Metallurgy

基　　金：国家自然科学基金NO.51204001与NO.51404001;教育部留学回国人员科研启动基金项目([2014]1685)资助

摘　　要：从难熔性富钾岩石资源低成本提取钾是解决我国钾肥急缺的重要课题。本文依据富钾岩石成分特点,提出采用矿热电炉电热还原挥发法处理富钾岩石制备硅铝铁及钾肥新工艺,该工艺可同时实现难熔性钾资源中硅、铝、铁以及钾的综合利用。初步分析表明,该工艺具备实现我国富钾岩石综合利用的技术和经济可行性。It is a main task to achieve the resources comprehensive utilization of domestic infusible potassium-rich rock in order to solve the shortage of potash fertilizer.According to the characteristics of potassium-rich rock compositions,this paper proposes a new process of producing ferro-silico-aluminum and potash fertilizer from potassiumrich rock by using the electrothermal reduction volatilization method in the submerged arc furnace.The new process can achieve comprehensive utilization of silicon,aluminum,iron and potassium in the infusible potassium-rich rock.Preliminary analysis shows that the new process has the technical and economic feasibility.

关 键 词：富钾岩石 矿热电炉还原 硅铝铁 钾肥 

分 类 号：TF645[冶金工程—钢铁冶金] TQ443[化学工程—化学肥料工业]