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rio de janeiro high quality environmental copper mine powder grinding mill

Grind Mill

Grind Mill

Dolomite grinding mill is also known as dolomite grinding machine, dolomite pulverizer, and dolomite pulverizing mill.
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vertimill verticalgrindingtechnology reduces energy

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vertimill verticalgrindingtechnology reduces energy

For the Anglo American venture, Metso supplied 16 Vertimill VTM-1500-WB model grinding mills. The circuit comprises two regrinding lines, each composed of 8 mills, each with a power of 1.1 megawatts (MW), and four cyclone batteries for grading iron ore. "Minas-Rio uses 17.9 MW of power in its regrinding process while the application with ball mills would be 25.6 MW; this represents a significant reduction of 7.7 MW", says Rodrigo Vilela, Director of Operation of Anglo American's Minas-Rio system, part of Anglo American's Iron Ore Business Unit in Brazil

According to Vilela, the granulometry of the iron ore in the Minas-Rio System at the end of the regrinding process is 80% less than 36 micrometers. The iron ore from the underflow of the regrinding cyclones feeds the Vertimill grinding mills through the lower part and the resulting product is transported to the top of the mills, towards the concentrate thickener, the last step of the milling process. 

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