古代人是如何在没有也无法制造电动机以及非常有效的设备的条件下进行破碎和磨矿工作的呢？
How did the ancient people crush and grind ores when there were no electric motors and no robust equipment conceived or built to do such work?
磨矿机是耗能很大的设备，如何降低它的电能消耗是当前急需解决的问题。
Milling pit is a piece of big energy-consuming equipment, and how to reduce its electricity consumption is at present an urgent problem to be solved.
介绍了两段闭路磨矿工艺技术路线、设备选择以及在云峰分公司磷酸装置配套湿法磨矿系统上的应用效果。
Process and facility selection of two stage closed circuit grinding and its application in phosphoric acid facility matching wet-process grinding system were introduced.
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.
工业生产证明了立式螺旋搅拌磨矿机是一种性能优越的再磨、细磨设备。
The industrial application has proven that vertical spiral agitating mill is regrinding and fine grinding equipment of excellent performance.
提出了按矿石性质、粒度要求、工艺设备不同进行磨矿介质消耗研究的新方法。
The new method of grinding media consumption study according to different ore properties, different requirement on grinding size and different grinding equipment is introduced.
提出了按矿石性质、粒度要求、工艺设备不同进行磨矿介质消耗研究的新方法。
New method is proposed for the grinding medium consumption research for different requirements on ore properties and grind fineness and the technical equipment.
介绍了立式螺旋搅拌磨矿机的基本结构和工作原理，着重叙述了该设备在铁精矿再磨再选工艺流程中的应用。
The paper describes the basic structure and working principles of vertical spiral agitating mill, and highlights its application in the regrinding and re-separation process of iron concentrate.
介绍了立式螺旋搅拌磨矿机的基本结构和工作原理，着重叙述了该设备在铁精矿再磨再选工艺流程中的应用。
The paper describes the basic structure and working principles of vertical spiral agitating mill, and highlights its application in the regrinding and re-separation process of iron concentrate.
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