中文摘要：

用大庆石油学院自建小型裂解试验装置对大庆石脑油进行了五个温度、四个停留时间和四个汽烃比共80次试验。首次用集总的方法对大庆石脑油建立了八集总、十八个反应的集总动力学模型，并根据上述试验数据，用Marquardt^＋＋法编写的Matlab语言程序进行了优化计算，求得了该石脑油的反应速度常数、指前因子和活化能。将模型计算结果与试验数据进行了对比，结果表明，该模型能较好地描述石脑油的裂解规律，为用计算机模拟重质裂解原料提供了基础数据。

英文摘要：

Eighty experiments on naphtha from four steam/oil ratios and four residence times in the Daqing Crude were performed at five reaction temperatures, self-designed cracking experiment device of Daqing Petroleum Institute. Eight lumped kinetic models including eighteen reactions for Daqing naphtha was first established by using lumping method. A computational program was written by Marquant ^＋ ＋ method and Matlab language and the values of activation energy, reaction rate constant and preexponential factors were calculated. Comparison of the calculation values with the experimental results indicates that the new model can effectively describe the pyrolysis laws of naphtha and provide basic data for simulating heavy pyrolysis feedstocks by computer.