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mill antracite hgi

mill antracite hgi

Mar 15, 2020· For heterogeneous grinding experiments in Hardgrovemill,anthraciteand coking coal in −2.8 + 2 mm size fraction were mixed in mass ratios of 1:3, 1:1 and 3:1. Grinding time were set as 10 s, 30 s, 50 s, 70 s, 90 s, 120 s, 150 s, 180 s, 240 s and 300 s, and energy consumptions of heterogeneous grinding of each mixed ratio and time were recorded.

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