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稳流构件对重力式油水分离器内流场影响的数值研究 被引量:4

Numerical Simulation of Effects of Steady Flow Component on Flow Field of Gravitational Oil-water Separators
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摘要 应用Fluent软件中可实现k-ε模型及多相流混合模型,对重力式油水分离器内部的三维流场进行数值模拟,得到含3种整流构件的分离器内部流场流动规律,比较了含不同构件分离器的流动与分离特性。模拟结果表明,该方法可以较好地模拟出油、水两相在分离器内部的流动情况。结果显示,田字板式整流构件对流型的整流作用较显著,有效抑制了分离空间内的返混流动。改进后的上部不开孔田字板式整流构件的流动特性和分离特性均优于改进前结构。模拟结果说明,通过数值模拟方法得到的数据可为稳流构件的优化提供参考。 The realizable k-ε model and the multiphase mixture model of Fluent software are used to simulate flow field of gravitational oil-water separators.The distribution of flow field in the separator with three different flow regulating components is obtained.Flow field and separation characteristics of separators with different components are analyzed and compared.The results show that flow of oil-water two-phase in the separator can be simulated well with this method.Square orifice plate restrains back-mixing flow in separation space effectively.Improved square orifice plate has better flow and separation characteristics than the previous one.Valuable guidance can be provided by the method of numerical simulation for steady flow component optimization.
出处 《石油化工设备》 CAS 2015年第5期7-12,共6页 Petro-Chemical Equipment
关键词 重力式油水分离器 入口构件 整流构件 流场 数值模拟 gravitational oil-water separator inlet component flow regulating component flow field numerical simulation
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