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The Features and Process of Grinding Mills

3 May, 2013 at 2:01 am in Business

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Barite ball grinding mill has the similar performance characteristics to the bentonite grinding mill which is also one simple classification of grinder mill, the bentonite grinding mill is also having the important position in the mining machinery, whose significant position cannot be irreplaceable freely. And then the following time is to introduce some basic performance characteristics of the barite grinding mill.

The first feature of this machine is the wide application scope which can use to crush materials less than 6 moth of hardness. The second feature is that this machine can be under the effect of high pressure spring, the fineness of final product is increased greatly. The third is the energy consumption is lower. The fourth is less investment, high efficiency, recycling fast. The fifth is independent system, less Production links, materials less than 25mm can be put into processing directly.

The most-frequently used equipment in grinding is cylinder-type ore grinding mill whose grinding process is: put the materials in the continuously rotating cylinder inside of which there are some grinding media with different shapes such as balls, rods or large rocks, and when the cylinder rotates with a certain speed, those grinding media will be driven to produce impacting and grinding effect, thus grinding the materials, and then the useful minerals are separated or different useful minerals separated from each other through such industrial process as classifying.

Different from screening which is related to the size of the hole of the screen, classifying is related not only to the granularity of the materials, but to the density and shape of the ore particles. The power consumption of grinding is pretty huge, with the electricity consumption of 6-30kwh/t, accounting for 30-75% of the total electricity consumption of the ore beneficiation plant. So seen from the importance of production and economic interests, it is significant to simulate and research the power consumption of grinding and improve the grinding method and technology.

In the ore beneficiation industry, grinding is the continuation of crushing as well as the preparation of ore beneficiation. The main purpose of grinding is to gain the ground products formed by the optimum granularity and to provide raw materials for the proceeding magnetic separating process.

The Raymond grinding mill often forms grinding circuit with the grading equipment. Classifying is a very important preparatory process in the ore beneficiation process. It is a process in which the materials are classified to two or more granularity levels according to the different falling speed in the media.

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