稳定塔塔底重沸器换热管束失效浅析

Analysis of Heat Exchange Tube Failure of Stabilizer Bottom Reboiler

对中国石油化工股份有限公司镇海炼化分公司稳定塔塔底重沸器换热管束失效的情况和原因进行了分析。在各种腐蚀因素中,介质温度、腐蚀环境、材质的耐腐蚀性和壳程流体流动不畅等是造成管束失效的主要原因。为了减少管束失效,在重沸器的设计和工艺操作的优化方面提出了几点建议。

The failure and cause of failure of heat exchange tubes of stabilizer bottom reboiler in SINOPEC Zhenhai Refining and Chemical Co.,Ltd are analyzed.Of all corrosion factors,the media temperature,corrosion environment,metallurgy and obstructed flow at the shell side are the culprits.Recommendations are presented in respect of reboiler design and operation optimization to reduce tube failures.