Filters and separator can capture in the air the liquid or solid, so shall be equipped with discharge valve.
过滤器和分离器可以捕获空气中的液体或固体，因此应当配备排放阀门。
2
Discharge valve can be will collect the liquid and solid particle emissions, prevent the liquid flow off the downstream, the pollution downstream compressed air system.
排放阀可以将收集的液体和固体微粒排放掉，防止液体流向下游端，污染下游端的压缩空气系统。
3
Acoustic emission detection technology is an effective way to monitor sudden failure caused by partial discharge (PD) in liquid-solid composite insulation of electrical equipment.