催化裂化装置原料折射率的计算  

Calculation of refractive index of FCCU Feedstocks

作　　者：程从礼[1] 

机构地区：[1]中国石化石油化工科学研究院,北京100083

出　　处：《炼油与化工》2013年第2期17-19,60,共3页Refining And Chemical Industry

基　　金：国家科技支撑项目:2008BAF33B02

摘　　要：催化裂化装置原料的折射率能够反映原料的结构特征,对于判断原料特性具有重要意义。文中采集了63套催化裂化装置的原料样品并对其性质进行了分析。建立了原料折射率(70℃)与相对密度、残炭值和10%馏出温度的关联式。根据折射率与温度的关系计算出20℃时原料的折射率。折射率关联式的计算结果与分析值之间的最大相对误差为0.2433%,表明关联式的模拟精度较好。The refractive index of FCCU feedstocks can reflect its structural features and has significant meaning for verifying feedstock property.Feedstock samples from 63 FCC units were collected and their features were analyzed completely.A correlation of the refractive index at 70 ℃ with relative density,carbon residue and distiloff temperature at distiloff volume of 10% was established and then the refractive index at 20 ℃ was determined.The maximum relative error between calculation result and assay values was 0.243 3%.Thus the correlation had good simulation accuracy.

关 键 词：催化裂化 折射率 相对密度 残炭 

分 类 号：TE624.41[石油与天然气工程—油气加工工程]