Effect of Expanding Cone Diameter between Cylinder and Cone on Hydrocyclone Performance

The performance of hydrocyclone with expanded cone diameter between cylinder and cone was investigated.Classification efficiency,classification precision,handling capacity,underflow/overflow ratio and thickening performance of hydrocyclones with a cone angle of 20° and 30° were investigated.The results show that,compared with normal hydrocyclones,classification efficiency of those with moderately expanded cone diameter can be improved,while a worsening of the thickening performance and a decline of the handling capacity can be observed,and,with the increase of the range of expanding cone diameter,the aforenoticed tendency can be intensified,while,the underflow/overflow ratio increased on the contrary.Results obtained in this study may be used for reference in selecting suitable configuration parameter of hydrocyclone to meet different conditions.