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.
The two-compartment ball mill operating in a closed circuit with a high efficiency separator is thus still the most preferred arrangement for new cement grinding installations although the vertical roller mill now has emerged as a viable alternative to the ball mill system and has increased its share of the market for cement mills over the last decade. There are a number of explanations to this situation, related to issues like cost and ease of operation, cost of installation, cost and ease of maintenance, product quality, versatility, etc.
In cement plant, Vertical Grinding Mill is very important since most of the raw materials will have to be crushed before being used to process cement, such as limestone, clay, iron ore and coal, etc. Limestone is the largest amount of raw material during cement production. Limestone is generally of large size and high hardness. Therefore the limestone mill is very important in the whole cement plant.
Cement vertical mill is the main and new process equipment in the cement grinding plant. LM series cement vertical mill is one of strong and high grinding efficiency and good operational stability. To some extent, reducing the power consumption or increasing the system output has solved concerns of low production of cement, running instability, etc.
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