The products includes five series: crusher, sand making machine, powder grinding mill, mineral processing equipment and building materials equipment.Mar 012015 The grinding experiment of fly ash was carried out by using laboratory ball mill. The type of the ball mill is 500 mm 500 mm48 rmin and closed circuitand the grinding media is composed by 60 kg steel balls (40 mm50 mm60 mm and 70 mm) and .
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