热重法研究渣油的热反应性能  

Study on thermal reaction properties of residue by thermogravimetry

作　　者：赵立祥[1] 李薇[1] 何小荣[1] 焦林宏[1] 庞舒[2] 韩雷[2] 刘晓峰[2] ZHAO Li - xiang LI Wei HE Xiao - rong JIAO Lin - hong PANG Shu HAN Lei LIU Xiao - feng(Department of Petrochemical Engineering, Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730060, China Fushun Petrochemical Company ,PetroChina , Fushun 113109, China)

机构地区：[1]兰州石化职业技术学院石油化学工程系,甘肃兰州730060 [2]中国石油抚顺石化公司,辽宁抚顺113109

出　　处：《石化技术与应用》2017年第1期19-22,共4页Petrochemical Technology & Application

摘　　要：以减压渣油为原料油,采用热重法,考察了减压渣油及其四组分(饱和分、芳香分、胶质和沥青质)的热转化反应性能,并采用多重扫描速率的FWO法求取了样品的动力学参数。结果表明,减压渣油四组分的生焦率由大到小依次为沥青质、胶质、芳香分、饱和分,渣油原料的生焦率介于芳香分和胶质之间。当转化率较低时(α小于0.4),饱和分和芳香分活化能为80~140 k J/mol,当转化率较高时(α大于0.4),其活化能为140~240 k J/mol。在相同转化率下,胶质和沥青质的活化能为150~300 k J/mol,均高于饱和分和芳香分的活化能。With vacuum residue as raw material, heat transfer reaction performances of vacuum resi- due and four components （saturates, aromatics, colloid and asphaltene） were investigated by ther- mogravimetric method, and kinetic parameters of samples were calculated by the FWO method with multiple scan rate. The results showed that coke yield of four components in vacuum residue from greatest to least was asphaltene, colloid, aromatics, and saturates. The coke yield of vacuum residue ma- terial was between aromatics and colloid. When theconversion was lower （ et below 0.4） , activation en- ergy value of saturates and aromatics was 80- 140 kJ/mol;When the conversion was higher （a a- bove 0.4） , their activation energy value was lg0 - 240 kJ/mol. Under the same conversion, the activa- tion energy value of colloid and asphaltene was 150 - 300 kJ/mol, being higher than that of saturates and aromatics.

关 键 词：减压渣油 热裂化 动力学 热重分析 

分 类 号：TE626.25[石油与天然气工程—油气加工工程]