After hydrocyclone substituted for spiral classifier, it could not only make a large room for other technology improvements, but also greatly abate the maintain work of the classification operation and reduce production cost.

• 用旋流器取代螺旋分级机后,可腾出大面积的场地用于其它技改,可大大减轻分级作业的维修工作量,降低生产成本。