某氧化铝企业溶出工艺转型升级研究  

Transformation and upgrading of digestion process in alumina enterprises

作　　者：陈晓静[1,2] CHEN Xiao-jing(Henan Polytechnic University,Jiaozuo 454000,China;Aluminum Coproration Of China Limited Zhongzhou Aluminum Co.,Ltd.,Jiaozuo 454174,China)

机构地区：[1]河南理工大学,河南焦作454000 [2]中铝中州铝业有限公司,河南焦作454174

出　　处：《世界有色金属》2021年第4期133-134,共2页World Nonferrous Metals

摘　　要：由一水硬铝石的拜耳法氧化铝生产溶出控制条件入手,结合某企业的特点,介绍“双流法直接加热溶出工艺”的形成及运行情况,分析其存在的主要问题及对生产消耗带来不利影响。并以提高溶出预热温度为主线,提高溶出效果、节能降耗,最终完成由直接加热到完全间接加热的优化改造。Based on the digestion control conditions of diaspore alumina production by Bayer process,combined with the characteristics of an enterprise,the formation and operation of"double flow direct heating digestion process"are introduced,and its main problems and adverse effects on production consumption are analyzed.In order to improve the digestion effect,save energy and reduce consumption,the optimization transformation from direct heating to completely indirect heating was completed.

关 键 词：拜耳法溶出 工艺优化 间接加热 生产能耗 提质增效 

分 类 号：TD97[矿业工程—选矿]