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Crusher Size Reduction Ratio

Crusher Size Reduction Ratio

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Crusher Size Reduction Ratio Definition

Crusher Size Reduction Ratio is a measure of the crushing effect crusher, Crusher Size Reduction Ratio used this concept. Crusher Crusher Size Reduction Ratio is, after the raw material particle size and particle size of the crushing ratio. Provided the original particle size of the solid material is D, after crushing or grinding machine grinding, its material granule size becomes d, the D / d = i this ratio is defined as the material Crusher Size Reduction Ratio, which is the material through a crusher after crushing its size reduction factor. Usually we say Crusher Size Reduction Ratio refers to the average Crusher Size Reduction Ratio, ie, the average ratio before and after the broken material particle size and particle size of the degree of change, which reflects the operating conditions can be approximated machinery. In order to easily represent and compare the main features of crushing machinery, can also use the maximum width of the crusher feed opening and the ratio of the maximum width of the discharge port as Crusher The Crusher Size Reduction Ratio, and called nominal Crusher Size Reduction Ratio.

Crusher Size Reduction Ratio Calculation Method

1, with a maximum particle size of the material before crushing ratio of the maximum particle size of the product after crushing calculate the maximum size i = Dmax / dmax where Dmax– broken front materials; maximum size after dmax– broken material. Due to different national habits, different values of the maximum particle size method. Material 80% by Anglo American to mesh sieve width of the maximum particle size diameter, China and the former Soviet Union with 95% of material through the sieve mesh width of the largest particle diameter.

2, with the crusher feed opening width and effective discharge opening width ratio of i = 0.85B / b where B — crusher feed opening width; b — crusher

3, with a mean particle size calculation i = Dcp/dcp where the average diameter of the front Dcp- broken materials; mean diameter after dcp- broken material. This method determined Crusher Size Reduction Ratio, can more truly reflect the degree of fragmentation, and thus it is often used in the theoretical study.

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