Description
判断波动数据是否为工艺上相关参数,若是相关参数则通知仪表及微机人员检查,看是否某调节系统波动引起相关参数变化,同时将相关调节系统打到手动状态,必要时到现场进行调节。如水溶液全循环装置中,尿素合成塔压力正常时为l9.67MPa,如果突然大范围波动,此时势必引起下游的中压系统、低压系统压力波动,这种情况是由于几个相关参数中某一参数波动引起其他参数变化,并不是控制系统本身故障。
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