尿素合成塔安全阀失效分析及处理  

SAFETY VALVE FAILURE ANALYSIS IN UREA SYNTHETIC TOWER

作　　者：叶凯 罗大伟 

机构地区：[1]中海石油化学股份有限公司,海南东方572600

出　　处：《大氮肥》2017年第6期407-410,共4页Large Scale Nitrogenous Fertilizer Industry

摘　　要：尿素合成塔安全阀自2015年起出现频繁泄漏,使装置运行过程中存在较大的安全环保风险。通过安全阀解体检修,最终确定了泄漏的原因。经过技术改造,保证了安全阀的正常使用。The leakage of safety valve in urea synthetic tower occurred frequently since 2015, bringing safety and environmental risk to plant operation. The reason of leakage was found during disintegration overhaul. Technical reform was performed to ensure the normal operation of safety valve.

关 键 词：泄漏 阀杆 反冲盘 磨损 

分 类 号：TQ053.5[化学工程] TQ441.41