DSO选择性汽油加氢装置辛烷值损失原因及优化

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DSO选择性汽油加氢装置辛烷值损失原因及优化
Cause and optimization of octane number loss in DSO selective gasoline hydrogenation unit

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作者:: 孟祥雷，金光旭，庄志勇，冷冰
Meng Xianglei，Jin Guangxu，Zhuang Zhiyong，Leng Bing

作者单位:: 中国石油辽阳石化公司油化运行部，辽宁辽阳 111003
PetroChina Liaoyang Petrochemical Company Operation Dept，Liaoyang 111003，China

关键词:: 汽油加氢；辛烷值；优化；反应温度
gasoline hydrogenation；octane number；optimization；reaction temperature

摘要:: 摘要：考察了某石化公司 100×104 t/a汽油加氢装置操作条件对混合汽油辛烷值的影响并对

影响因素进行优化。结果表明：预加氢反应器操作条件、分馏塔内轻重汽油切割比、加氢脱硫

反应器的入口温度等因素对混合汽油辛烷值影响较大。结合生产情况进行优化，得出在预加

氢反应器入口温度130 ℃、分馏塔内轻重汽油切割比0.34、加氢脱硫反应器入口温度217 ℃的

条件下混合汽油辛烷值由优化前91.2提高至91.6，与原料油辛烷值比较降幅由0.8降至0.4个

单位，达到优化目的。

Abstract: It investigated the influence of operating conditions of 100×104 t/ a gasoline hydrogenation unit on octane number of

mixed gasoline in a petrochemical company and optimizedthe influencing factors. The results showed that the operating conditions

of the pre-hydrogenation reactor, the cutting ratio of light and heavy gasoline in the fractionation column, and the inlet temperature

of the hydrodesulfurization reactor had great influence on the octane number of the mixed gasoline. Combined with the production

conditions, it was concluded that under the conditions of inlet temperature of pre-hydrogenation reactor 130 ℃, cutting ratio of light

and light gasoline in fractionation column 0.34, inlet temperature of hydrodesulfurization reactor 217 ℃, octane number of mixed

gasoline increased from 91.2 to 91.6, and octane number of mixed gasoline decreased from 0.8 to 0.4 units compared with raw oil, so

as to achieve the purpose of optimization.

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DSO选择性汽油加氢装置辛烷值损失原因及优化 Cause and optimization of octane number loss in DSO selective gasoline hydrogenation unit

DSO选择性汽油加氢装置辛烷值损失原因及优化
Cause and optimization of octane number loss in DSO selective gasoline hydrogenation unit