炼油行业集总动力学模型的发展及模型展望  

Development and model outlook of lumping kinetic model in oil refining industry

作　　者：刘贵丽[1] 刘植昌[1] 

机构地区：[1]中国石油大学(北京)重质油国家重点实验室,北京102249

出　　处：《现代化工》2017年第3期38-41,共4页Modern Chemical Industry

基　　金：国家重点基础研究发展计划(973计划)(2012CB215001);教育部新世纪优秀人才(NCET-12-0970)

摘　　要：阐述了炼油行业中催化裂化和催化裂解集总反应动力学模型的研究状况。详细介绍了集总的划分原则、反应网络的确立依据、数学模型的建立前提、数学模型的求解方法和步骤、模型验证,以及动力学模型在操作条件优化与反应器模拟等方面的应用。最后,通过对蒸汽裂解、催化重整、加氢裂化和延迟焦化等反应过程动力学模型的分析,展望了炼油行业反应动力学模型,指出集总反应动力学模型具有一定的局限性,分子水平反应动力学模型可以从反应机理出发研究各种因素对化学反应速率的影响。The research status of lumping kinetic model for the important reaction processes of catalytic cracking and catalytic pyrolysis in oil refining industry is stated. The principle of dividing lump,basis of establishing the lumped reaction network,premise of establishing mathematical model,method and step for solving mathematical model,validation of the model and its applications in optimizing operating conditions,simulating reactor,etc. are introduced in detail. The kinetic models of reaction processes such as steam cracking,catalytic reforming,hydrocracking,delayed coking and etc.are analyzed. The prospects for the reaction kinetic model in oil refining industry are given. The limitations of the lumping kinetic model are pointed out. The effects of various factors on the chemical reaction rate are investigated on the base of the reaction mechanism of the molecular-level kinetic model.

关 键 词：动力学 催化裂化 催化裂解 蒸汽裂解 催化重整 加氢裂化 延迟焦化 

分 类 号：O643[理学—物理化学]