介绍了近几年我国选煤厂建设的特点,着重介绍了工艺布置过程中泵类转载对煤泥粒度组成变化的影响,并说明了几种工艺布置方案的优劣,建议在工艺布置工程中尽量做到少转载,减少次生煤泥量。 The characteristics of coal preparation plant construction in China in recent years are introduced. The influence of pump reprinting on the change of particle size composition of coal slime during process layout is mainly introduced, and the advantages and disadvantages of several process layout schemes are illustrated. It is suggested that in process layout engineering Try to do less reprint, reduce the amount of secondary slime.