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文章编号： 1672-6987（2019）06-0031-08； DOI： 10.16351/j.1672-6987.2019.06.004
赵文英1,2, 李文文1， 曹晓荣2， 项曙光1,2， 赵军1*
(1.青岛科技大学 过程系统工程研究所，山东 青岛 266042; 2.齐鲁师范学院 化学与化工学院，山东 济南 250200)
摘要： 用汽油馏分、煤柴油中间和高沸馏分温度范围内相应的69种纯组分对17种蒸汽压关联式进行了评价。与各组分实验蒸汽压数据比较，以总平均相对偏差评价蒸汽压关联式的估算能力。结果表明：基于纯物质特性参数的蒸汽压关联式受参数的限制，不适用于石油馏分蒸汽压的估算；三参数对比态蒸汽压关联式对煤柴油馏分估算结果的偏差波动较大；参数普遍化的Riedel(1954)关联式适用于汽油馏分蒸汽压的估算；专用于石油馏分的Lee-Kesler(1980)对煤柴油中间馏分和高沸馏分蒸汽压的估算结果准确。
关键词： 石油馏分； 蒸汽压关联式； 评价
中图分类号：TE 624.5文献标志码： A
引用格式： 赵文英, 李文文， 曹晓荣， 等. 石油馏分蒸汽压估算方法的评价\[J\]. 青岛科技大学学报（自然科学版）， 2019， 40（6）： 31-38.
ZHAO Wenying, LI Wenwen, CAO Xiaorong, et al. Evaluation of vapor pressure correlations for petroleum fractions\[J\]. Journal of Qingdao University of Science and Technology（Natural Science Edition), 2019, 40(6)： 31-38.
Evaluation of Vapor Pressure Correlations for Petroleum Fractions
ZHAO Wenying1,2, LI Wenwen1, CAO Xiaorong2, XIANG Shuguang1,2, ZHAO Jun1
(1.Institute of Process System Engineering， Qingdao University of Science and Technology， Qingdao 266042， China;
2.College of Chemistry and Chemical Engineering, Qilu Normal University, Jinan 250200, China)
Abstract: 17 vapor pressure correlations were evaluated with 69 pure components, which belong to the boiling range of gasoline fractions, middle and high-boiling fractions of kerosene and diesel. The vapor pressure correlations were compared according to the total average absolute deviation of each kind of compounds. The results indicated that the component-specific vapor pressure correlations were constrained by the coefficients and were not applicable for the estimation of the vapor pressures of petroleum fractions. The total average absolute deviations of three-parameter corresponding-states correlations fluctuated greatly for the kerosene and diesel fractions. The generalized Riedel (1954) correlation was suitable for the vapor pressure estimation of gasoline fractions, and the dedicated Lee-Kesler (1980) correlations can accurately estimate vapor pressures of middle and high-boiling fractions of kerosene and diesel.
Key words: petroleum fractions; vapor pressure correlations; evaluation
收稿日期： 2019-03-12
基金项目： 国家自然科学基金资助项目(21476119)；山东省重大科技创新项目工程(2018CXGC1102).
作者简介： 赵文英(1982—)，女，博士研究生.
