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Advanced Grinders and Classifiers for Ore Beneficiation

[Jul 05, 2014]

The ore grinding and classification are the most important processes for the ore beneficiation production line. Apart from the common grinding machines such as ball mill and rod mill, there are also a lot of other types of grinders and classifiers playing a core role in the ore beneficiation process. Today we will learn about these devices’ properties and features.

1. Vibrating ball mill

It is a new kind of mill working with high vibration frequency. The vibration can make cracks as well as high centralized stress to the materials, so the vibrating ball mill can realize the super fine grinding process high efficiently. Because the spring parts of the vibrating ball mill are easy to be damaged, and its lining plate is easy to be worn, we need to use the small amplitude and feed too rough materials.

2. Ejecting ball mill

This kind of grinder is a dry type mill which can realize the perfect combination of grinding, classifying and drying processes. It’s widely used in the chemical engineering and construction industries. The ejecting ball mill adopts the high temperature compressed air or the overheating vapor as the medium.

3. Spiral classifier

The spiral classifier is usually equipped with the wet type ball mill to complete the grinding and classifying processes of the minerals. Its speculation is expressed by the unit of diameter. According to the number of the spiral, it can be divided to single spiral classifier and double spiral classifier. As for different skimming level, there are high weir classifier, immersed one and low weir one.

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