论西铭矿选煤厂合理的洗选工艺

Reasonable Washing Process in Ximing Coal Preparation Plant

分析了西铭矿选煤厂主要分选工艺、粗煤泥分选、细煤泥分选、选前脱泥与不脱泥流程、有压与无压重介旋流器的选择。该矿选煤厂采用大直径重介旋流器作为主要分选设备,采用螺旋分选机处理粗煤泥,细煤泥不分选直接落地销售。整个工艺系统在提高洗选效率、保证产品质量,提高选煤厂经济效益等方面成效显著。

Analyses the main separation process,coarse coal slime separation,fine coal slime separation,desliming and no deliming before coal preparation.Selection of pressure and non-pressure dense medium cyclone.The coal preparation plant uses large diameter dense medium cyclone as main separation equipment,adopts spiral separator for handling coarse slime,fine coal slime no-separation direclly landing sells.The result of entire process system is remarkable in improving washing efficiency,ensuring product quality an...