The energy integration model of the complex paralled-feed distillation system was established,which was composed of two subsystem——multi-effect distillation system and multilevel preheating system.
为了更合理利用能量,将平流多效精馏系统中各效塔底产品、第1效至第n-1效塔顶产品及首效再沸器中加热生蒸汽的冷凝液用于预热原料液,建立由多效精馏及多级预热2个子系统构成的复杂平流多效精馏系统的能量集成模型。
In view of the complicated gas-solid two-phase flow in five-stage cyclone preheater system,DPM model was applied to simulate the two-phase flow field of C5 part.
针对旋风筒内复杂的气固两相湍流运动,采用DPM模型对五级旋风预热器的C 5部分进行了数值模拟,通过对结果的研究,得出了旋风筒内气固运动的规律,并在计算的基础上对颗粒的运动规律进行了探讨。
RSM turbulent model was applied to simulate the flow field of the five-stage cyclone preheater cold model with and without pressure-drop board.
采用RSM湍流模型分别对安装减阻板前后五级旋风预热器冷模系统流场进行了数值模拟,通过对模拟结果的研究,得到了安装减阻板前后系统流场的基本特征,在此基础上分析了减阻板的减阻机理及其对预热器系统性能的影响。
