A series of experiments have been carried out with the mixture of magnetite and quartz in a spiral classifier to study the behaviour of mixture of minerals.
为了研究混合矿物的分级行为，用磁铁矿和石英的混合矿样在螺旋分级机中进行了一系列分级试验。
The mathematical models for industrial spiral classifier are finally established.
从而建立了工业型螺旋分级机的数学模型。
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。
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