化工进展2018，Vol.37Issue(1)：80-87,8.DOI:10.16085/j.issn.1000-6613.2017-0483
基于群体平衡理论的水合物聚集动力学模型
A research on the dynamic model of hydrate agglomeration based on population balance theory
摘要
Abstract
The agglomeration between hydrate particles is an important reason which could lead to pipeline hydrate plugging. In order to manage hydrate risks better,a model describing the process of hydrate agglomeration is needed. First,a dynamic model of hydrate agglomeration based on the population balance theory was built,which ignored the influence of convection and diffusion and assumed that hydrate particle size distribution in the pipeline was continuous. Focusing on hydrate agglomeration and breakage,the core of this dynamic model mainly included agglomeration kernel and breakage kernel. For agglomeration kernel,it referred to collision frequency and agglomeration efficiency. For breakage kernel,it involved to breakage frequency and particle size distribution. Then,based on previous researches and combining the characteristics of hydrate particles,the calculation methods of the agglomeration kernel and breakage kernel were selected and modified. Finally,a computational fluid mechanics way was used to solve the dynamic model and the results were compared with the relevant experimental data. This dynamic model can provide technical support for the pipeline flow assurance.关键词
水合物/群体平衡/碰撞频率/聚集效率/破碎频率/粒径分布Key words
hydrate/population balance/collision frequency/agglomeration efficiency/breakage frequency/particle size distribution分类
能源科技引用本文复制引用
宋光春,李玉星,王武昌,姜凯,施政灼,姚淑鹏..基于群体平衡理论的水合物聚集动力学模型[J].化工进展,2018,37(1):80-87,8.基金项目
国家自然科学基金(51006120)、中央高校基本科研业务费专项(14CX02207A,17CX06017,17CX05006)及中国石油大学(华东)研究生创新工程项目(YCX2017062). （51006120）
