烷基化工艺泄漏油气混合物气液分离及回收特性的实验研究  

Experimental Study of Gas-Liquid Separation and Recovery Characteristics of Leaking Oil-Gas Mixtures in Alkylation Process

作　　者：郑毅 孙志刚[3] 陈硕[3] 任耀杰[4] 羊涛 赵祥迪 Zheng Yi;Sun Zhigang;Chen Shuo;Ren Yaojie;Yang Tao;Zhao Xiangdi(State Key Laboratory of Chemical Safety,Shandong,Qingdao,266104;SINOPEC Research Institute of Safety Engineering Co.,Ltd.,Shandong,Qingdao,266104;SINOPEC Health,Safety and Environmental Protection Management Department,Beijing,100728;SINOPEC Yangzi Petrochemical Co.,Ltd.,Jiangsu,Nanjing,210048)

机构地区：[1]化学品安全全国重点实验室,山东青岛266104 [2]中石化安全工程研究院有限公司,山东青岛266104 [3]中国石化健康安全环保管理部,北京100728 [4]中国石化扬子石油化工有限公司,江苏南京210048

出　　处：《安全、健康和环境》2024年第9期35-41,共7页Safety Health & Environment

基　　金：国家自然科学基金青年项目(52106123),微液滴与薄液膜耦合强化低浓度H2S热质传递的机理研究;中国石化科技开发部项目(320057),烷基化装置泄漏应急处置技术及装备。

摘　　要：烷基化工艺为重点监管危险工艺,其泄漏后的危险物料极易引发火灾、爆炸等二次事故。对泄漏的气、液多相态混合物料进行分离、回收对于降低事故危险,预防事故升级具有重要意义。设计了新型的套筒式气液分离器,并研究了不同物性的浅液层和纯液体泄漏物在不同风机频率、充液高度下的回收量、分离效率,还对气液分离关键组件进行性能分析和优化。结果表明,浅液层与纯液体泄漏回收量随黏度的增加而下降,最大降低55%和20%,最大回收量分别为25 kg/min和98.5 kg/min。对于难挥发液体,分离效率接近100%,对于中高黏度液体,总体效率均超过80%。优化后的向上旋液气液分离器对高黏度的液体回收量提升了约20%,压降降低约10%。Alkylation process is the key to supervise the dangerous process,and the dangerous materials after leakage are easy to cause fire,explosion and other secondary accidents.It is important to separate and recover the gas and liquid multiphase mixture to reduce the risk of accident and prevent the escalation of accident.A new type sleeve gas-liquid separator was designed,and the recovery amount and separation efficiency of shallow liquid layer and pure liquid leakage with different physical properties were studied at different fan frequencies and liquid filling heights,and the performance of key components of gas-liquid separation was analyzed and optimized.The results showed that the leakage recovery of shallow liquid layer and pure liquid decreased with the increase of viscosity,and the maximum reduction was 55% and 20%,and the maximum recovery was 25 kg/min and 98 kg/min,respectively.For volatile liquids,the separation efficiency was close to 100%,and for medium and high viscosity liquids,the overall efficiency was more than 80%.The optimized uprotating liquidgas-liquid separator increased the recovery of high viscosity liquid by about 20% and reduced the pressure drop by about 10%.

关 键 词：烷基化工艺 泄漏 油气混合物 回收 气液分离 压降 

分 类 号：TE934[石油与天然气工程—石油机械设备]