It gives a brief introduction of dual-tower energy-saving urea process,and emphasizes the recovery and utilization measures of highpressure materials during long-term shutdown.

• 介绍了双塔节能尿素工艺装置长期停车方法,对双塔节能尿素工艺装置进行了简介,重点介绍了长停过程中高压物料的回收利用措施。