Variety of materials into the mill and the ratio is directly related to the mill's output, quality and yield power consumption. Studies have shown that: any mixed materials will lower the strength of the cement, but the activity of different mixed materials, the lower the degree of strength of cement is different. Commonly used in mixed materials, slag highest activity, but the slag specific surface area in the 300m '/ kg or less, the strength of the cement does not reflect the impact of its advantages. Under the same conditions, the output of the latter than the former about 20% to 30%; implementation of the new standards, the requirements of the cement grinding sieve over a greatly reduced flow of grinding cement ring also requires a higher specific surface area, open flow high early strength cement grinding has the advantage of not very obvious, therefore, the proposed conditional cement plant, grinding process flow loop as far as possible, so that grinding can be avoided and open flow of over-grinding phenomenon, but also to ensure high energy mill.
As the grinding process conditions change, the traditional way with the ball and fill the design is difficult to adapt to the current high energy needs of the mill. Must be based on actual people who wear particle size, grindability factor (or relative grindability factor), lining and diaphragm plate in the form of the installation location, mill power, speed, etc., make the necessary dynamics of the grinding position test calculation. Proven "to increase the pre-crushed before grinding process, structural improvements within the mill, grinding and select high-efficiency classifiers." Mill to achieve high-quality energy-saving the main way.
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