硫磺回收装置加氢还原尾气超重力脱硫工艺技术研究  

Technology research on high gravity desulfuration process for hydrogenation reduction tail gas in sulfur recovery unit

作　　者：赵国星[1,2,3] 胡天友[1,2,3] 何金龙[1,2,3] 马枭[4] 刘可[1,2,3] 

机构地区：[1]中国石油西南油气田公司天然气研究院 [2]中国石油天然气集团公司高含硫气藏开采先导性试验基地 [3]国家能源高含硫气藏开采研究中心 [4]中国石油西南油气田公司川西北气矿天然气净化厂

出　　处：《石油与天然气化工》2016年第5期17-20,共4页Chemical engineering of oil & gas

摘　　要：还原吸收尾气处理工艺广泛应用于硫磺回收装置含硫尾气处理,是减少尾气中SO_2排放最为有效的方法之一。硫磺回收装置加氢还原尾气的显著特点为:压力低,碳硫比高,要求吸收过程硫化氢脱除率高,同时具有吸收选择性。利用超重力技术强化传质及气液接触时间短等特点,将超重力技术应用于加氢尾气脱硫工艺中,考察了转速、气液比、贫液温度、气体流量等操作参数对脱硫性能及CO_2共吸收率的影响。结果表明,超重力技术应用于硫磺回收装置加氢还原尾气脱硫工艺中优势显著。Reduction absorption process for tail gas desulfuration is an efficient method for the reduction of SO_2 emission,which is widely applied to tail gas treatment of sulfur recovery unit.Because of the low pressure and high ratio of CO_2 to H_2S,higher desulfurization efficiency and selectivity are needed in absorption process.On the basis of benefits of high gravity technology,such as larger mass transfer efficiency and shorter contact time of gas-liquid and so on,the technology was applied in hydrogenation tail gas desulfuration process.The rotational speed,gas-liquid ratios,lean solution temperature,and gas flow were investigated.The results showed that the high gravity technology had obvious advantages in hydrogenation reduction tail gas desulfuration process of sulfur recovery unit.

关 键 词：超重力技术 传质强化 加氢尾气 脱硫 选择性 

分 类 号：X742[环境科学与工程—环境工程] TQ125.11[化学工程—无机化工]