水力旋流器分级过程具有随机性、复杂性和给料性质多变等特点，因而准确模拟该过程具有重要意义。
The hydrocyclone classification is stochastic, complicated and the feed material is varied. It is important to simulate the hydrocyclone classification accurately.
精选回收率低的主要原因是旋流器分级效果差及工艺设备落后。强调铜钼分离作业是精选工艺降铜排泥的关键环节。
The reason why the recovery efficiency of cleaning is low is that the classification effect of cyclone is not good and the technical equipment is backward.
本文通过对包钢选矿厂原磨矿分级作业状况的分析，认为该工艺存在流程长，设备配置多，能耗高，旋流器分级效率低的问题。
Some problems as process long, many equipments, high-energy consumption and cyclone efficiency low are found on the analysis of grinding at the Plant.
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