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High Pressure Grinding Rolls (HPGR) were introduced as a new grinding technology in 1984. Since then, they have been successfully installed in a large number of plants throughout the world, mainly for cement and limestone.

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Technical data: High pressure grinding rolls HPGRs HRC 3:38. Grinding power calculation . Direct heat rotary dryer cascade type Agitation Attrition scrubber . exception of natural minerals in the form of sand and gravel.

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Technical data: High pressure grinding rolls HPGRs HRC 3:38. Grinding power calculation . Direct heat rotary dryer cascade type Agitation Attrition scrubber . exception of natural minerals in the form of sand and gravel.

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