Three key factors including coal, water and environment, which have influences on fine particles sedimentation in coal slurry, were proposed based on the analysis of slurry system microcosmic structure.

• 分析了选煤厂煤泥水系统的微观结构，提出了影响煤泥水沉降效果的3种因素：煤质因素、水质因素和环境因素。