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Ball mills make raw materials grow maturely

05th September 2012


Ball mill grinds material by rotating a cylinder with steel grinding balls, is an efficient tool for grinding many materials into fine powder. It is widely used in building material, chemical industry, etc. The ball mill energy use factor is low, the distribution situation has the enormous relations with the material in grinding. Therefore discovered more approached the grinding machine outer layer, the abrasive action is bigger. When grinding machine actual production, the materials entered the mill to fall directly the inner layer, the process dynamics analysis, the inner layer material had to through the long time to enter the outer layer, reduced the production efficiency greatly.

Hongxing ball mill has many characters :

1. Save power: it can save 40% power than the old crushing machine. The grain size of end-product is homogeneous. As to the granularity of the end-product, rod mill is almost similar to that of ball mill.

2. Adopt advanced technology to adjust the feeding and discharging size, meanwhile, select appropriate grind media based on practical needs of users, replace the original surface-touch to line-touch. All these actions make the grain size more uniform, the yield higher and be fit for ores of different hardness(from Mons 5.5-12)

3. Discharing grain size can be adjusted through simple adjustment. Granularity –control device and sieving device can effectively make sure that the material won’t be over-crushed, and that unqualified products won’t be mixed in the end-product. The granularity features of end-product are related to the feeding material. The bar first crush the large ores and then the small ones so that the risk of over-crush is avoided. When the bar raises, the fine grains pass from the niche of the bar, it makes the large ones being crushed and concentrated in the place where the media has beated. Thus, the size of output is uniform and the risk of over-beaten is largely avoided.

Ball Mill is mainly used to mix and grind materials.Fineness of product is homogeneous and saves dynamic. It can be used for dry and wet grinding. This machine can adopt different liner types according to production requirement to meet different needs. Fineness of grinding operation is controlled automatically depending on grinding time. Self-coupling voltage reducing of electric motor is started to reduce starting current and its structure can be divided into integral type and independent type. In order to cause the material to be quickly even, it has made the improvement to grinding machine feeding. First the old-style right angle feeding change the inclination angle type, then slide the angle to be bigger than stops the angle, will cause the material fast smoothly to enter. Then reasonable selection feeding spot, causes the material to enter the tube body outer layer directly. Finally through the computation and empirical dates, had determined the device material, the material feeding rate, the mill the rotational speed and the grinding machine power and so on.

vibratory feeder:
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