Vertical mill HIGmill®
discfor limestoneultrafine

vertical mill
vertical mill
vertical mill
vertical mill
vertical mill
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Product application
for limestone
Other characteristics


Benefits The mill takes advantage of gravitational forces and GrindForce™ rotor technology to produce a finer grind for mineral liberation. High energy efficiency with patented GrindForce rotor technology Reduced CAPEX with small footprint and simple flow sheet Simple operation with multiple control modes High availability with long intervals between maintenance shutdowns The HIGmill comprises a mill body, shaft with grinding discs, shell mounted counter rings, gearbox, and drive. The grinding chamber is filled up to 70% with grinding beads. Rotating discs stir the charge and grinding takes place between beads by attrition. The number of discs (grinding stages) depends on the application and can be as high as 20. Feed slurry is pumped into the mill via the bottom connection. When the flow transfers upwards, it passes all consecutive grinding stages. The final product discharges into open atmosphere at the top of the machine. Because of the tall and narrow vertical mill body arrangement, grinding media is evenly distributed and mineral particles remain in constant contact, significantly increasing grinding efficiency. Energy efficiency Gravity keeps the media compact during operation to ensure high intensity inter-bead contact, as well as efficient, even energy transfer throughout the volume. The disc configuration and the whole chamber geometry have been optimized for efficient energy transfer to the bead mass, internal circulation, and classification.


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