气相粒径对旋流器气液分离的影响

In this paper, hydrocyclones with different three inner cones were designed, based on an inner cone gas-liquid hydrocyclone. And meshes with high quality were generated. Aiming at gas phase with single particle size and three kinds of particle size in gas-liquid mixture medium, four kinds of hydrocyclones were numerically simulated applying mixture multiphase model by computational fluid dynamics (CFD) soft pack ANSYS FLUENT. The results show that gas phase volume fraction increases firstly and then then decreases with particle size increasing when gas phase is single particle size in gas-liquid mixture medium. Gas phase volume fraction decreases with particle size increasing when gas phase is three kinds of particle size in gas-liquid mixture medium. Separation efficiency of hydrocyclone can be improved by charge shape of inner cone, while relative optimal structure when gas phase is a certain particle size is not always optimal when gas phase is other particle size. Relative optimal structure of separating different particle size gas phase may be different.