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New Trends In Concrete Microfine Grinding Mill

2020-1-1At 4 kWht, the maximum grinding index was 1.28, which results in a 14.16 increase in the 74 m contents compared with that of untreated. The pretreatment effect was better under lower voltage. The grinding effect of under low voltage is higher than high voltage at equal energy, and is 4.9 at 90 kV which is higher than that at 110 kV