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High-pressure grinding technology evolution

Metso Outotec is launching the next generation of its HRCe high-pressure grinding roll (HPGR).

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High-pressure grinding technology evolution

The company claims to have set the industry standard in 2014 when it pioneered the use of flanges and a non-skewing design of HRC HPGR.


“The new HRCe comes with a decreased installation CAPEX compared with the HRC,” said Metso Outotec. “Changes in design allow for maximum productivity with proven technology that leads to superior grinding efficiency.”


Christoph Hoetzel, head of Metso Outotec’s Grinding business line, said: “We are very excited about the new HRCe which combines proven technology and customer-focused evolutions.


“Metso Outotec is the only OEM that has been able to design and develop reliable flanged HPGR technology that has demonstrated superior performance for many years in the mining industry.


“We will continue utilising our proven technology but have evolved the design to maximise value for our customers and superior grinding efficiency.”


Metso Outotec highlighted several benefits of the HRCe:

  • Improved energy efficiency by up to 15%.
  • Lower circulating load by up to 24%.
  • Increase throughput by up to 19%.
  • Elimination of edge effect from combination of proven flange design and anti-skew assembly.
  • Elimination of downtime caused by skewing events.


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