The Research and Industrial Application of an Improved Impact Cleaning Technology of the Double Anode Butts in Aluminium Electrolysis

被引：0

作者：

Wang, Youlai ^{[1
]}

Yang, Qiusi ^{[1
]}

Li, Yong ^{[1
]}

Xiao, Xiancong ^{[1
]}

He, Lei ^{[1
]}

Zhao, Hengjun ^{[2
]}

机构：

[1] Sichuan Qimingxing Aluminium Co Ltd, Meishan 620041, Sichuan, Peoples R China

[2] Elkem Carbon China Co Ltd, Shizuishan 753000, Ningxia, Peoples R China

来源：

LIGHT METALS 2018 | 2018年

关键词：

Double butts; Cleaning; Bath; Reactivity;

D O I：

10.1007/978-3-319-72284-9_157

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Sodium has a big affect on the air and CO2 reactivity of the carbon anodes. A high content of sodium in the anode will cause serious oxidation and falling dusts of the anode and affect the working conditions of the aluminium electrolysis cell. Sodium in the anode mainly comes from the petroleum coke and the recycled butts. The present butt cleaning technology cannot completely clean the attached bath on the butts, and the present equipment occupies too much space. We developed a special impact butt-cleaning system which has advantages of small volume, high capacity, low failure rate, low operation cost and can be used in the existing anode production line. The industrial application has proven that the new equipment can completely clean the attached bath and soft butts, improve the reactivity and avoid the falling dusts.

引用

页码：1203 / 1207

页数：5

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