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为克服传统两产品液固流化床分选机应用中有效分选粒度范围窄、精煤容易受高灰细泥污染等局限性,设计出新型三产品液固流化床粗煤泥分选机,将分选过程分为上下两段。并进行了对比分析试验,研究表明,新型三产品液固流化床由于采用不同上升水速以适应物料性质沿床层垂直高度的变化情况,从而更有利于宽粒级物料和难选粗煤泥的分选,为现场应用及后续设计提供参考。
In order to overcome the limitations of the traditional separation of liquid-solid fluidized bed separator of two products, such as the narrow range of effective separation granularity and the contamination of fine coal with high ash fine mud, the new three-product liquid-solid fluidized bed coarse slime separation Machine, the separation process is divided into two sections up and down. The results show that the new three-product liquid-solid fluidized bed can adapt to the changes of material properties along the vertical height of the bed due to the different rising water velocities, which is more conducive to the wide- Mud sorting, for the field application and follow-up design provide a reference.