延长在产石墨化阴极铝电解槽寿命的探析  

Prolonging the life of graphitized cathode aluminum electrolytic cell

作　　者：郭彬 刘驰 GUO Bin;LIU Chi(Neimeng gu Jinlian Aluminum Co.,Ltd.,Hollingole 029200,China)

机构地区：[1]内蒙古锦联铝材有限公司,内蒙古霍林郭勒029200

出　　处：《世界有色金属》2021年第19期14-15,共2页World Nonferrous Metals

摘　　要：简要介绍了铝电解槽的生产原理和延长槽内衬寿命的意义,通过对石墨化阴极特点及腐蚀机理的分析,以某企业400KA石墨化铝电解槽为例,提出合理匹配的电解工艺技术条件和创新修补腐蚀坑的材料和方法,能减缓铝液流速,散热增加,炉底偏冷的状态下,炉底会生长和修补上一层保护层,达到保护阴极,提高槽寿命的目的,每年可创效19992万元,减少固体危险废物15960吨,实现了良好的经济和环保效益。This paper briefly introduces the production principle of aluminum electrolytic cell and extend the service life of tank lining,based on the characteristics and the analysis of corrosion mechanism,the graphitized cathode in an enterprise 400 ka graphitization aluminum electrolytic cell,for example,put forward the reasonable matching of electrolytic technology conditions and innovation repair materials and methods of the corrosion pit,can slow the aluminum liquid flow rate,heat dissipation,furnace bottom slants cold,The bottom of the furnace will grow and repair a protective layer,to protect the cathode,improve the life of the tank,can create an annual effect of 19.992 million yuan,reduce the solid hazardous waste of 15,960 tons,to achieve good economic and environmental benefits.

关 键 词：石墨化阴极 铝电解槽 腐蚀机理 措施 寿命 

分 类 号：TF821[冶金工程—有色金属冶金]