柴油高效加氢降凝技术的开发及工业应用  

DEVELOPMENT AND COMMERCIAL APPLICATION OF HIGH EFFICIENCY HYDRODEWAXING TECHNOLOGY FOR DIESEL DISTILLATES

作　　者：郭俊辉 刘昶[1] 郝文月 王凤来[1] Guo Junhui;Liu Chang;Hao Wenyue;Wang Fenglai(SINOPEC Dalian Research Institute of Petroleum and Petrochemicals,Dalian,Liaoning 116045)

机构地区：[1]中国石化大连石油化工研究院,辽宁大连116045

出　　处：《石油炼制与化工》2022年第3期41-45,共5页Petroleum Processing and Petrochemicals

摘　　要：根据柴油馏分组成和烃类反应特点,结合加氢反应放热和降凝反应吸热的原理,中国石化大连石油化工研究院通过优化加氢催化剂与降凝催化剂的级配组合装填方式,开发了柴油高效加氢降凝技术。该技术在某0.60 Mt/a柴油加氢降凝装置上的工业应用结果表明,与上周期使用的常规加氢降凝技术相比,本周期降凝反应器催化剂床层温度分布合理,入口温度下降了25℃,反应热利用效率明显提升,副反应减少,目的产品-35号低凝柴油的收率和十六烷值提高,装置氢耗和能耗降低10%以上,实现了炼油企业节能降耗的目标。According to the composition of diesel distillates and hydrocarbon reaction characteristics,combining the principle of heat release from hydrogenation reaction and heat absorption of hydrodewaxing reaction,by optimizing the grading combination of hydrotreating catalyst and hydrodewaxing catalyst,SINOPEC Dalian Research Institute of Petroleum and Petrochemicals has developed a high-efficiency diesel distillates hydrodewaxing technology.The results of industrial application in a 0.6 Mt/a hydrodewaxing unit showed that the temperature distribution of the catalyst bed in the hydrodewaxing reactor is reasonable and the inlet temperature is reduced by 25℃.Compared with the conventional hydrodewaxing technology used in the last cycle,the yield and cetane number of the main product No.-35 low condensation point diesel were increased.The hydrogen consumption and energy consumption of the unit were reduced by more than 10%,which could meet the energy saving and consumption reduction goal of the refinery,and the economic benefits of the unit was greatly improved.

关 键 词：柴油 加氢降凝 级配技术 节能降耗 

分 类 号：TE626.24[石油与天然气工程—油气加工工程]