An accident of water intrusion into molecular sieve adsorber due to the invalid liquid level gauge in the air cooling column of a KDONAr-10000/22000/370 air separation unit is introduced, accompanied by its treatment.

• KDONAr-10000/22000/370型空分设备因空冷塔液位计失效而发生分子筛吸附器进水故障。 介绍了故障发生的经过和处理过程;