在圆柱筒上一侧设有一排渣口。
A slag discharging hole is arranged on the upper side of the cylinder.
在内管的排渣口处设置一个控制排渣的球阀。
A ball valve for controlling the slag discharge is arranged at the slag discharge opening of the inner tube.
超径物料不能过网，由自动排渣口排出，从而达到快速筛分之目的。
Super size material cannot pass mesh, is being exhausted from port self-discharging, so as to achieve purpose of rapid screening .
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