本文简要介绍了华北铝业有限公司空气净化系统的原理及排污系统存在的问题，叙述了自动排污控制系统的使用效果和节能情况。
This paper introduced in brief on the principle of air purification and existing problems of drain contamination system , and this paper explained the effects and energy saving of automatic drain contamination system .
华北铝业有限公司