Methods for stone crushing line choosing crusher

1, The characteristics of raw materials

    The hardness, size distribution, clay content and water content of the raw materials is very important parameter. Different materials should choose a different crushing and screening machinery.

If the hardness of the raw materials is higher, we generally choose jaw crusher, cone crusher as the primary crushing. When raw material hardness is small, we make the choice of impact crusher as the primary crushing.

    The grading of raw materials will also affect the overall parameters. As for the boomed stone from quarry, it should be selected in accordance with the maximum size of the rock. As for sand the folder gravel layer raw materials, primary crusher should be selected according to the grading curve, and should be configured top re-screening machinery; If raw materials which clay and water content is high, you should consider using wet crushing, screening processes. Overall, we should according to the granularity of materials to select process, and according to the hardness of the raw materials to select the form of crude crushing equipment.

2, The product quality requirements

    The quality of the product includes particle size, product size distribution, particle shape. In different engineering, product quality requirement is not the same. The quality of product process is related to crushing machinery and production processes.

   When the finished products granularity is small, the crushing and screen ratio is large. The more in product grades, the more complex of crushing equipments.
Sometimes in order to obtain a variety of grades of gravel, we ofen set a screening machinery alone to do grading. In many projects, gravel dust content of the compound should not be too high, these dust is harmful to the quality of the concrete. When the dust content is excessive, it is necessary to increase a cleaning process.

3, Productivity

    Productivity is an important process parameters to the crushing and screening equipment. Productivity requirements include two elements, one is the productivity of the particle size specifications, and the other is the productivity of all products. For engineering practice, the productivity of each particle size specifications of the product is more meaningful. Therefore, in determining the productivity of the equipment, you should first consider the actual needs of the project.Secondly, be good faith oriented, adhere to corporate ethics. The state law of the land, and family rules a home, that's right. But relying on legislation to address the social bottom line is just the little acorns.

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