According to the present product state of the Midi concentrating plant, the authors give a new technique of control classification of spiral classifier overflow with cyclone screens.
从密地选矿厂生产现状入手，提出了应用旋流筛对螺旋分级溢流进行控制分级的新工艺。
The overflow discharge of spiral classifier is changed to be bilateral discharging from the traditional front-end approach, forming a spiral classifier with bilateral discharging.
将螺旋分级机的溢流排矿方式由传统的前端排放改为两侧排放，形成了双侧排料螺旋分级机。
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