Nitrogen purging system to purge out all unused a ammonia from the ammonia-containing equipment and piping are required when the equipment is not in service for extended period.

• 当存有氨的设备或管道在一段时期内不使用时氮气吹扫系统可以将氨清除。根据设计要求,氮气储存在专用的氮气存储装置中。