摘要
介绍FCC液化气脱硫溶剂再生塔的工艺流程,对溶剂再生过程中存在的问题进行分析。通过对溶剂再生塔进行改造,将填料塔改为板式塔,提高溶剂再生效果。装置改造使用CTST立体传质塔盘后,溶剂循环量增大23%,贫液再生效果变好,贫液中H2S浓度降至0.5 mg/L,装置运行更加安全平稳。
The technological process of FCC liquid gas desulfurization solvent regeneration tower was introduced;problems in solvent regeneration process were analyzed. By reforming solvent regeneration tower, the packing tower was changed to plate tower, and the regeneration effect of solvent was improved. CTST three-dimensional mass transfer tray was used in the transformation, recycled solvent volume increased by 20%, lean solution regeneration effect became good, H2S concentration in lean liquid dropped to 0.5 g/L, device operation was more safe and stable.
出处
《当代化工》
CAS
2015年第9期2169-2170,2174,共3页
Contemporary Chemical Industry
关键词
溶剂再生
填料塔
板式塔
效果
Solvent regeneration
Packed tower
Plate tower
Effect
