The difference between ball mill and vertical mill in cement grinding
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The difference between ball mill and vertical mill in cement grinding - 1

The difference between ball mill and vertical mill in cement grinding Over the last three decades the vertical roller mill has become the preferred ball mill for grinding of raw materials. The grinding efficiency of the vertical roller mill combined with an ability to dry, grind and classify within a single unit gives the vertical roller mill a decided advantage over a ball mill system. However, despite these benefits, applications of the vertical roller mill for cement grinding are less prevalent. In the cement grinding process, we can use either cement ball mill or cement vertical roller mill. What is the difference between the two? Grinding process The grinding process in ball mills and vertical roller mills differ fundamentally. In a ball mill the comminution takes place by impact and attrition. The comminution in the vertical roller mill takes place by exposing a bed of material to a pressure sufficiently high to cause fracture of the individual particles in the bed.

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The difference between ball mill and vertical mill in cement grinding - 2

liners media liners diaphragms liners Internal elements Product quality It is characteristic of grinding in vertical roller mills that the energy input to the material per pass between roller and table is small, for which reason a large number of passes are required to obtain the necessary specific energy input to the material. This leads to a very high internal material circulation factor. Cost of operation The most significant advantage of a vertical roller mill compared to a ball mill system is related to the consumption of electrical energy of the two systems, the specific energy...

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