影响废酸再生装置长周期运行的问题及解决措施  

Problems and solution measures that affect long-term operation of sulphuric acid regeneration equipment

作　　者：朱彦昊 ZHU Yanhao(PetroChina Daqing Refining&Chemical Company,Daqing,Heilongjiang,163000,China)

机构地区：[1]中国石油天然气股份有限公司大庆炼化分公司,黑龙江大庆163000

出　　处：《硫酸工业》2024年第2期52-56,共5页Sulphuric Acid Industry

摘　　要：介绍了某炼化公司湿法废酸再生工艺流程,对装置运行过程中影响长周期运行的瓶颈问题进行原因分析,针对装置高温换热器管束开裂、高温除尘器过滤效果不佳、导热盐换热器频繁发生泄漏、导热盐控制阀阀盖泄漏、一级反应器入口烟气风机振动大等问题,采取了相应的整改措施,取得了良好的效果,为同类湿法废酸再生装置提供借鉴。The wet process waste acid regeneration process of a certain refining company is introduced,the bottleneck problems that affect long-term operation during the operation of the device are analyzed,and the corresponding rectification measures are taken to address the problems of cracking of the high-temperature heat exchanger tube bundle,poor filtering effect of the high-temperature dust collector,frequent leakage of the thermal salt heat exchanger,leakage of the thermal salt control valve cover,and large vibration of the flue gas fan at the inlet of the first stage reactor.Good results have been achieved,providing some help and reference for similar wet sulphuric acid regeneration devices.

关 键 词：废酸再生装置 导热盐泄漏 露点腐蚀 高温除尘器 导热盐控制阀 

分 类 号：TQ111.16[化学工程—无机化工]