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以往煤炭分选借助于振动网发生振动,按比重分层。例如鲍姆跳汰机即是。其分选情况如图1所示,纵轴表示累积出量(%),横轴表示比重(ρ),按直角座标画的曲线1表示被选煤的比重构成,例如比重超过ρ_2的是矸石,比重在ρ_1以下的是精煤,其中间产品是中
In the past, coal sorting vibration by vibration network, according to the proportion of stratification. For example, Baum jig is. The sorting condition is shown in FIG. 1, the vertical axis represents the cumulative amount (%), the horizontal axis represents the specific gravity (ρ), and the curve 1 in rectangular coordinates represents the proportion of coal selected. For example, if the specific gravity exceeds ρ_2 Waste rock, the proportion below ρ_1 is clean coal, the middle product is in