A hydrocyclone performance assessment at a copper-molybdenum mine in Mexico used Molycop Tools to identify hydraulic instability and define a more stable, efficient operating strategy.
Key Facts
- Hydraulic instability was identified as the key constraint, limiting classification efficiency and increasing bypass of fines.
- Simulation showed circuit configuration was the primary performance driver, with the number of active cyclones having greater impact than cyclone geometry alone.
- Reducing active cyclones from three to two improved hydraulic balance, lowering slurry split from 1.818 to 1.116 while minimising impact on grind size.
Using plant survey data, mass balance reconciliation and calibrated simulation through Molycop Tools, the study identified that the hydrocyclone cluster was operating under hydraulically unstable conditions, limiting classification efficiency.
Scenario modelling confirmed that circuit configuration – specifically the number of operating cyclones – was the most effective lever for improving performance. Reducing the number of active cyclones from three to two improved hydraulic balance, reduced slurry split from 1.818 to 1.116 and lowered circulating load variability, while minimising impact on grind size.
The result demonstrates that hydraulic balance is the key driver of hydrocyclone performance, and provides improved grind control, reduced variability to flotation and more stable circuit operation.
