延迟焦化装置进料阀故障分析
Failure analysis for inletl valve of Delayed Coking Plant
安清泉 张德龙 刘宝
作者单位：大庆石化公司炼油厂
中文关键字：高温防结焦球阀；故障分析；解决措施
英文关键字：High temperature anti-coking ball valve；Failure analysis；Solutions
中文摘要：大庆石化公司120万吨/年延迟焦化装置焦炭塔进料阀为高温防结焦隔离球阀，2016年3月至11月，在装置生产过程中发生两次阀门故障无法正常开关的情况，装置被迫停工更换阀门。针对故障，车间全程跟踪了阀门解体、清除污垢、检查的过程，并就拆检过程中发现的问题，进行了故障分析。针对问题产生的原因，提出加强维修监管、加强操作管理及优化阀门吹扫结构等解决措施。
英文摘要：Daqing Petrochemical Company 1.2 million tons / year delayed coking device coke tower inlet valve for the high temperature anti-coke isolation ball valve, 2016 March to November, in the device during the production of two valve failure can not normally switch the device was forced Shutdown Replace the valve. For the fault, the workshop tracking the valve disintegration, removal of dirt, inspection process, and the process of dismantling the problems found in the failure analysis. In order to solve the problem, the author puts forward some measures to strengthen the supervision, strengthen the operation management and optimize the structure of the valve purge.