this article analyses systematically the reason of nitrogen blocking which happened in the argon system of oxygen machine and puts forward measures to prevent and solve nitrogen blocking problem.
前言:本文系统分析了制氧机氩系统发生「氮塞」的原因,提出了防止和解决「氮塞」的措施。
since technology and equipment amelioration of argon system of wanli oxygen-making machine has been made, the stability and operation periods of the system are improved.