不同入口形式油水分离旋流器数值模拟的对比分析  

Contrastive Analysis on Numerical Simulation of Oil-water Hydrocyclone with Various Inlet Forms

作　　者：王圆[1] 赵立新[1] 王月文[1] 徐保蕊[1] 蒋明虎[1] 

机构地区：[1]东北石油大学,黑龙江大庆163318

出　　处：《流体机械》2017年第7期22-27,共6页Fluid Machinery

基　　金：国家863计划课题(2012AA061303)

摘　　要：基于计算流体力学(CFD)软件Fluent中的雷诺应力模型(RSM),对4种不同单向入口油水分离旋流器进行数值模拟分析,对比了4种结构的压力损失、湍流强度、切向速度和除油效果。结果表明,入口结构对油水分离旋流器的分离性能影响较大。在本研究范围内,收缩形入口旋流器(结构B)分离效率最低,为83.2%;螺旋线形入口旋流器(结构C)的分离效果最理想,可达到92%以上,且压力损失和能量消耗比渐开线形入口旋流器(结构D)的小。本文可对油水分离旋流器入口结构的设计和改进提供参考。Based on the Reynolds stress model（RSM） of the computational fluid dynamics（CFD） software,the numerical simulation of de-oiling hydrocyclone with four different single-inlet structures was carried out.The pressure loss of four structures,turbulence intensity,tangential velocity and oil separation efficiency were also analyzed.The result proves that the inlet structure has great influence on the separation performance of de-oiling hydrocyclone.Within this research,the separation efficiency of contractive-inlet hydrocyclone（structure B） is the lowest,which is 83.2%;The separation efficiency of helical-inlet hydrocyclone（structure C） is the most ideal can reach above 92%,and the pressure loss and energy consumption is lower than involute-inlet hydrocyclone（structure D）.This paper can provide reference for the structure design and improvement of the adaptability of oil-water separation hydrocyclones.

关 键 词：入口结构 旋流器 油水分离 数值模拟 

分 类 号：TH138.8[机械工程—机械制造及自动化]