详细掌握循环流化床中颗粒相的流动特征是放大优化提升管的基础。借鉴稠密气体分子运动理论及基于双流体的概念，结合颗粒流的动力学模型和湍 动能模型，耦合催化裂化反应 的十三集总动力学模型，得到了催化裂化提升管反应器内原料油气相和催 化剂颗粒相的流动反应数 学模型， 提出了模型的边界条件和模型方程组的离散求解方法，为研究颗粒相的流动特征奠定了理论基础。 A detailed grasp of the flow characteristics of the particulate phase in a circulating fluidized bed is the basis for the magnification and optimization of the riser. Based on the theory of dense gas molecular motion and the concept of two-fluid, combined with the kinetic model of particle flow and turbulent kinetic energy model, coupled with the thirteen lumped kinetic model of catalytic cracking reaction, And the catalyst particle phase flow reaction mathematical model, the boundary conditions of the model and the discrete solution of the model equations are proposed, which lays a theoretical foundation for the study of the flow characteristics of the particle phase.