摘要
入口是预分离介质进入旋流器的首要通道,入口结构对水力旋流器的分离性能至关重要。在创建轴入导锥式水力旋流器数值模型的基础上,分析了分流比和入口速度对旋流分离器分离性能的影响,并借助试验对模拟所得结果进行了验证。分析结果表明:随着分流比的增加,分离器的分离效率呈现出先逐渐升高后降低的趋势,当分流比为20%时分离效果最好,现场试验的分离效率可达91.5%;轴入式水力旋流器在一定的范围内,随入口速度的增加分离效率升高,当入口速度达到2.4 m/s时,试验分离效率达到92.0%。所得结论可为轴入导锥式水力旋流器的现场应用提供参考。
The inlet is the primary channel for the pre-separation medium to enter the hydrocyclone,whose structure is very important for the separation performance of the hydrocyclone.Based on the establishment of the numerical model of the axial guide cone hydrocyclone,the influences of the split ratio and the inlet velocity on the separation performance of the hydrocyclone separator have been analyzed.The simulation results were then verified by experiments.The results show that the separation efficiency of the separator increases and then decreases with the increase of the split ratio,and reaches the best when the split ratio is20%.The separation efficiency of the field test is91.5%.In a certain inlet velocity range,the separation efficiency of the axial guide cone hydrocyclone increases with the inlet velocity,and could reach to92.0%when the inlet speed reaches2.4m/s.The conclusion could provide references for the field application of axial guide cone hydrocyclone.
作者
蒋明虎
王和静
邢雷
张勇
Jiang Minghu;Wang Hejing;Xing Lei;Zhang Yong(Machinery Science and Engineering College, Northeast Petroleum University;Heilongjiang Provincial Key Laboratory of Petroleum and Petrochemical Multiphase Treatment and Pollution Prevention)
出处
《石油机械》
2017年第10期86-91,共6页
China Petroleum Machinery
基金
国家教育部高等学校博士学科点专项科研基金资助课题"气液固三相耦合作用机理及一体化分离特性研究"(20132322110002)
东北石油大学培育基金项目"旋流场内离散相粒子运移规律及分离动力学研究"(NEPUPY-1-15)
东北石油大学青年基金项目"旋流场作用下非均相非牛顿流体的流变特性研究"(2013NQ117)
东北石油大学研究生创新科研项目"旋流器场内超重力聚结机理及分离特性研究"(YJSCX2017-019NEPU)
关键词
水力旋流器
油水分离
分流比
入口速度
数值模拟
分离效率
hydrocyclone
oil-water separation
split ratio
inlet velocity
numerical simulation
separation efficiency
