重整催化剂再生系统脱氯技术改进  

Improvement of dechlorination technology for CCR catalyst regeneration system

作　　者：邢卫东[1] 

机构地区：[1]中国石油化工股份有限公司洛阳分公司,河南省洛阳市471012

出　　处：《炼油技术与工程》2013年第12期34-37,共4页Petroleum Refinery Engineering

摘　　要：对重整装置催化剂再生碱洗系统脱氯效果差、设备腐蚀严重、烧焦气体水含量偏高导致注氯量增加的问题进行了分析,并采取措施实施了固态脱氯替代碱洗系统的流程优化和技术改造。针对再生烧焦气体高水、高二氧化碳的环境特点优选出了合适的脱氯剂。使用固态脱氯技术后,简化了流程,脱氯效率明显提高,避免了再生系统因设备腐蚀停工对重整反应系统的影响;碱洗系统停用后,减轻了烧焦气体中水含量高对干燥系统的影响,减少了烧焦过程中的氯流失,减缓了催化剂比表面积的下降,在延长了催化剂使用寿命的同时,降低了再生氧氯化过程的注氯量。The problems of poor dechlorination efficiency of caustic wash system, equipment corrosion and high water content in the coke burning gas of the CCR （ Continuous Catalytic Reforming） regeneration sys- tem were analyzed; The solid-state dechlorination process was applied to replace the original caustic wash sys- tem to optimize the process for technical revamping. Appropriate dechlorination agent was selected for high wa- ter and high carbon dioxide of the coke burning gas. The application of solid-state dechlorination technology has simplified the process, improved the dechlorination efficiency and eliminated the impact of shutdown of equipment in regeneration system because of corrosion on the reaction system of CCR. After the shutdown of caustic wash systems, the impact of high water in coke burning gas on drying system is lowered, the loss of chlorine in coke burning process is minimized and the decreasing of specific catalyst area is mitigated. The service life of catalyst is extended, and chlorine addition for chlorination of regeneration oxygen is reduced.

关 键 词：重整催化剂 烧焦气体 固态脱氯 再生 碱洗 

分 类 号：TE624.92[石油与天然气工程—油气加工工程]