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The stuffs, which fall into the high-speed rotating impeller from the upper of the machine, were stroked with other stuffs, which more around the impeller, because of high-speed centrifugal force .After they strike mutually, whirling fluid is produced between the impeller and outer covering .Through repeatedly striking and rubbing, the stuffs are crushed into pieces and straightly come out of the lower. The operating process circulates repeatedly. And then attains the fineness of the product. |