有太多非计划停工期。
高压法三聚氰胺装置熔融尿素升压泵运行过程发生多起断轴事故，使装置多次出现非计划停工。
The packing axle seal of the melt urea pump leaked seriously, leading to many harmful effects, so we revamped the form of axle seal.
分析了低密度聚乙烯装置多次发生非计划停工的原因，发现导致装置发生停工较多的因素依次为设备、电气仪表、其他非车间原因以及工艺操作等。
The factors lead to shutdown are equipments, electric meters, other non-workshop reasons and process operation in turn via analysis many unexpected shutdown of low-density polyethylene unit.
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