苯乙烯抽提装置环丁砜系统换热器设备的腐蚀原因和对策  

Corrosion Reasons and Countermeasures of Sulfolane System Heat Exchanger in Styrene Extraction Unit

作　　者：黄永富 HUANG Yong-fu(Guangdong Xinhua Yue Petrochemical Group Co.,Ltd.,Maoming 525000,China)

机构地区：[1]广东新华粤石化集团股份公司,广东茂名525000

出　　处：《化工管理》2020年第31期155-156,共2页Chemical Engineering Management

摘　　要：文章通过对苯乙烯抽提装置环丁砜溶剂系统再沸器设备泄漏故障产生的原因进行分析,并对泄漏点进行剖析,指出环丁砜循环系统设备腐蚀是由于环丁砜及杂质在运行过程中劣化生产的磺酸、丁基磺酸、硫酸等造成的硫腐蚀和应力腐蚀。用中和法或阴离子交换法等可以有效降低环丁砜对循环系统的设备腐蚀,以保证换热器长周期稳定经济运行。Based on styrene sulfolane extraction device system equipment reboiler leakage fault reasons were analyzed,and the leak point analysis points out that the sulfolane circulation system equipment corrosion is due to the sulfolane degradation and impurities in the process of running production of sulfonic acid,butyl sulfonic acid,sulfuric acid and so on caused by sulfur corrosion and stress corrosion.Neutralization method or anion exchange method can effectively reduce the corrosion of sulfolane to the circulating system,so as to ensure the stable and economical operation of heat exchanger in long period.

关 键 词：苯乙烯抽提 环丁砜 设备 腐蚀 中和法 阴离子交换 

分 类 号：TQ241.21[化学工程—有机化工]