The Grinding Mill Technology Can Improve The Product Quality

Rod mill is usually used for coarse grinding, feed size of 20 ~ 30 mm, the granularity of product general 3 ~ 0 mm. Rod mill characteristics is not to grind ore at a point of bar, but to grind ore with the bar whole length, so its force is more homogeneous. Before the coarse particle is not grinded, fine grain is less broken, which will make the products overbreaking reduce, its product particle size is uniform.

For the ore feeding grain size, according to the information, when the best ore feeding grain size is 13mm, the whole ore grinding mill energy consumption is the lowest. But in actual production in many concentrators, ore feeding grain size is 45～70mm. In some local small mills, the size can be 80mm or more. Although the grinding efficiency are under the influence of many factors, under these conditions above, ore feeding grain size should be noticed at first, such as strengthening the crushing management on second-ways golden ores. Ore feeding grain size is reduced to 35mm or less from 50mm.

The development of ball mill machine is closely linked with the technical progress, modern science and technology and the overall industrial level, especially with Mechanical engineering science and the development of mining subjects.Latest ball mill technology can improve the products quality obviously and reduce the production cost greatly.

According to statistics, in the energy consumption of many dressing plants in our country, crushing is 8%～10%, the ore grinding is 45%～55%; the ore grinding cost is 40%-60% of all cost in dressing plant. Among this, power consumption, iron ball, lining board fees are 90% of ore grinding fees. Grinding energy consumption and cost are so high, mainly because the feeding ores are so coarse, sorting machine grading efficiency is too low, mill circulation load is large, iron ball and lining board have bad quality, surrounding rock clip stones are not picked out before crushing.

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