关于柴油加氢液位仪表故障的分析
Automation in Petro-Chemical Industry(2007)
Abstract
兰州石化公司炼油厂12 Mt/a柴油加氢装置高压分离器多次发生液面超限联锁,每次发生故障后对仪表进行检查,结果仪表工作都是正常,通过对该装置仪表长期观察及检查分析发现,高分罐液位仪表频繁发生故障的原因是由于工艺介质中铵盐结晶造成的。
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