1 cement mill grinding operations have emerged very early in China, initially used for ceramics, etc., with the ball after the 18th century, technological innovations are widely used in metallurgy, building materials, coal, chemical and pharmaceutical industries.

 2 cement mill is a grinding machine, the principle is a slow rotation of the cylinder, which is equipped with a large number of grinding media, ball speed is slower, also known as slow-grinding machine that is slow ball.

 3 In the concentrator, the metal ore is embedded in fine cloth, except for a few monomer dissociation useful minerals have been part of the placer and high-grade bonanza no ground, the other needs to make the ore through the mill grinding useful minerals get more ideal monomer dissociation degree, in order to successfully carry out sorting.

 4 mineral indicators depends largely on the cement mill grinding operation operation. Products such as cement mill grinding fineness is not enough, each with a single mineral separation between the failure to achieve full and dressing of course will not be good indicators.

 5 If the cement mill grinding of the grain size too small, too many particles produced crushing, beneficiation indicators will also drop, cement mill grinding products on the appropriate level, depending on beneficiation, mineral particle size distribution and the users of embedded products requirements and other conditions, often through a large number of test methods to determine the cement mill.

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