The purpose of the rod mill:
1, tungsten, tin ore and other rare metal ore re-election or magnetic separation plant, as well as quartz sand plant, in order to prevent the "smashing" the harm caused, often using rod mill.
2. When two-stage continuous grinding is used, if the first section is ground from 20-6mm to 3-1mm, the rod mill is used as the first section of grinding equipment , the production capacity is larger and the efficiency is higher.
3, in some cases can be used to replace the short-head cone crusher for fine crushing.
Process characteristics of the rod mill:
1. Saving power: saving more than 40% of power than the old type of crushing equipment. The product particles are relatively uniform. Compared with the particle size characteristics of the finished product of the rod mill and the ball mill , the particle size characteristic curve of the rod mill with open circuit is almost the same as that of the closed ball mill.
2, using advanced controllable in-and-out rod mill technology, combined with the actual user's grinding materials with appropriate grinding body, change the surface contact of the traditional ball mill to line contact, so that the Huali brand sand making machine's discharge granularity is more For uniformity and higher output, it is suitable for ore with different hardness (Mohs hardness 5.5~12).
3, the fineness of discharge can be adjusted: the particle size of the discharge can be changed by simple adjustment, the fineness control device is built in, the screening device can be added to the discharge, and the two gates are closed, which ensures that neither over-grinding is produced. It will not cause unqualified products to be mixed into the finished product. The particle size characteristics of the rod mill product are related to the condition of the rod milled ore. When the rod hits the ore, the first is to grind the coarse particles, and then the smaller ore particles are ground, thus reducing the risk of over-grinding. When the rods are turned up along the lining, the coarse particles are sandwiched between them, as if the rods are sieved, so that the fine particles pass between the slits of the rods, which is also advantageous for crushing the coarse particles and for concentrating the coarse particles in the grinding medium. The place to fight. Therefore, the product of the rod mill is relatively uniform and the pulverization is lighter.
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