S Zorb装置再生系统运行问题分析与应对措施  

ANALYSIS ON OPERATION PROBLEMS OF REGENERATION SYSTEM IN S Zorb UNIT AND COUNTERMEASURES

作　　者：甘竞文 Gan Jingwen(SINOPEC-SK(Wuhan)Petrochemical Co.,Ltd.,Wuhan 430082)

机构地区：[1]中韩(武汉)石油化工有限公司,武汉430082

出　　处：《石油炼制与化工》2025年第3期67-73,共7页Petroleum Processing and Petrochemicals

摘　　要：针对某石化公司S Zorb装置再生吸附剂失活、下料管线堵塞等问题,从装置再生系统运行原理出发重点计算分析了水对吸附剂再生过程的影响以及需要采取的改进措施。结果表明:再生系统中的水蒸气分压是影响吸附剂生成硅酸锌、导致吸附剂失活的主要原因;该再生系统吸附剂开始生成硅酸锌的水蒸气分压为3 kPa,水蒸气分压越高,硅酸锌生成速率越大;通过优化再生取热调节方式、减少再生主风中水的带入量、增设在线除垢设备等措施,可以延长吸附剂使用寿命、解决再生器下料堵塞问题、实现再生系统长周期平稳运行。此外,分析发现转剂管线内吸附剂为稀相输送且管线没有内衬是管线磨损泄漏的主要原因,通过采取增大两器差压、降低管内线速、增加关系内衬等措施延长管线使用寿命。Addressing issues such as the deactivation of regenerated adsorbents and the clogging of discharge pipelines in the S Zorb unit of a petrochemical company,this study focuses on calculating and analyzing the impact of water on the adsorbent regeneration process and the necessary improvement measures based on the operating principles of the unit’s regeneration system.The results indicate that the partial pressure of water vapor in the regeneration system is the primary factor leading to the formation of zinc silicate on the adsorbents,which subsequently causes their deactivation.In this regeneration system,the partial pressure of water vapor required for the initial formation of zinc silicate on the adsorbents is 3 kPa,and the higher the partial pressure of water vapor,the faster the rate of zinc silicate formation.By optimizing the heat removal adjustment method during regeneration,reducing the introduction of water in the primary regeneration air,and adding online descaling equipment,the service life of the adsorbents can be extended,the problem of material discharging clogging in the regenerator can be solved,and long-term stable operation of the regeneration system can be achieved.Furthermore,analysis reveals that the main reason for the wear and leakage of the transfer pipeline is the dilute-phase conveyance of adsorbents within the pipeline and the absence of internal lining when the pipeline is shut down.To extend the service life of the pipeline,measures such as increasing the differential pressure between the two vessels,reducing the linear velocity inside the pipeline,and adding internal lining can be implemented.

关 键 词：再生器 取热调节 在线除垢 管线磨损 内衬 

分 类 号：TE96[石油与天然气工程—石油机械设备]