Pipeline transportation experiments of Shenfu coal water mixture
ZHANG Shengju
DUAN Qingbing
HE Guofeng
LIU Yewei
SUN Haiyong
Abstract：To obtain the optimum Shenfu coal water mixture ( CWM) pipeline transportation parameters,the CWM rheology test was con-ducted to determine its critical shear rate.Through the relationship between the shear rate and shear stress of Shenfu CWM determined its rheology model,fitted the mathematical equation which was suitable for Shenfu CWM.Under different pipe diameters and CWM concentra-tion,investigated the influence of CWM average rate on pipeline pressure loss,obtained the optimum CWM pipeline transportation parame-ters.The results show that the critical shear rate of CWM is 40.74 s-1,the fitting rheological equation follows the bingham plastic model.The pipeline is more suitable for low concentration and low viscosity CWM.Keep the average flow velocity of CWM unchanging,the smaller the pipe diameter,the bigger the pipeline pressure loss. When the pipe diameter ranges from 200 mm to 300 mm,the pipeline pressure loss meets the demands of industrial application.
Keywords：coal water mixture ( CWM )pipeline transportationtransportation propertiesrheological propertybingham plastic modelpressure loss
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 36-39 )