芳烃抽提装置汽提塔易发泡的原因及解决措施  

Causes and solutions of bubbling phenomena in stripping column of aromatics extraction unit

作　　者：陈强宇[1] 杨俊[1] CHEN Qiang-yu;YANG Jun(Refinery of Lanzhou Petrochemical Company,PetroChina,Lanzhou 730060,China)

机构地区：[1]中国石油兰州石化公司炼油厂,甘肃兰州730060

出　　处：《石化技术与应用》2018年第6期401-405,共5页Petrochemical Technology & Application

摘　　要：改造后的中国石油兰州石化公司40万t/a芳烃抽提装置,自加工能力提高后,汽提塔发生数次发泡现象。针对此问题,采用控制进料组成,优化抽提系统操作条件、工艺流程和助剂系统等措施,对装置进行了改进。结果表明:于2017年11月至2018年5月装置改进后,仅发生过1次发泡现象,低于装置改进前(2017年4—10月)的9次,改进效果良好。After the processing capability in- creased in a 0.4 Mt/a armoatics extraction unit of Lanzhou Petrochem＇ical Company, PetroChina, the several bubbling phenomena occurred in the strip- ping column. The unit was improved by controlling feed composition and optimizing operating conditions and technological process of the extraction system. The results showed that the bubbling phenomena oc-curred only once from November 2017 and May 2018 after the improvement, which was lower than 9 times before the modification （April to October 2017 ）. The improved effect was better.

关 键 词：抽提系统 脱戊烷油 环丁砜 碳五组分 苯 抽提塔 汽提塔 发泡 

分 类 号：TQ241.13[化学工程—有机化工]