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投稿时间:2020-02-16 修订日期:2020-03-28
投稿时间:2020-02-16 修订日期:2020-03-28
中文摘要: 利用CFD软件Fluent 14.5, Standard k-e湍流模型、Eulerian多相流模型以及能量方程,对从氯化镁热解制备氧化镁的文丘里热解反应器内的气-液两相流进行了数值模拟研究,通过多组模拟最终确定了实验模拟的最优工艺条件。结果表明,熔融氯化镁入口温度的改变并不能改变反应器内流场的分布规律,只是相应提高了反应器内整体温度,而熔融氯化镁入口速度的变化以及喉管与引流管间夹角的变化都能较大程度上影响反应器内的流场;喉管与引流管的夹角为75°,氧气入口速度为0.5 m/s,熔融氯化镁的入口速度为0.9 m/s。
Abstract:Using CFD software Fluent 14.5, the gas-liquid two-phase flow in Venturi pyrolysis reactor for preparating magnesium oxide from magnesium chloride was numerically simulated using Standard k-e turbulence model, Eulerian multiphase flow model and energy equation. Through multiple sets of simulations, the optimal process conditions for experimental simulation were finally determined. The results show that: The change of inlet temperature of molten magnesium chloride does not change the distribution of flow field in the reactor, but increases the overall temperature of the reactor accordingly. The change of inlet velocity of molten magnesium chloride and the angle between throat and drain pipe can influence the flow field in the reactor to a great extent. The angle between laryngeal tube and drainage tube is 75 degrees. The inlet velocities of oxygen and molten magnesium chloride are 0.5m/s and 0.9m/s, respectively.
文章编号: 中图分类号:TU642 文献标志码:
基金项目:河北省自然科学基金项目(E2019501085);河北省教育厅基金项目(QN2019312)
Author Name | Affiliation | |
LV Chao | Northeastern University at Qinhuangdao | lvchao999@163.com |
Zhou Nan | Northeastern University at Qinhuangdao | |
SUN Minghe | 东北大学秦皇岛分校 |
引用文本:
吕超,周楠,孙铭赫.文丘里热解反应器内气-液两相流动特性的数值模拟研究[J].有色金属工程,2020,(10):53-57.
吕超,周楠,孙铭赫.文丘里热解反应器内气-液两相流动特性的数值模拟研究[J].有色金属工程,2020,(10):53-57.