Evolution Northparkes Mine
Grinding Mill and Flotation Control
- Parkes, NSW, Australia
- Brownfield Grinding and Flotation Optimisation
- Schneider PLC, Citect HMI
Mipac was asked to improve the stability of the grinding (SAG / Ball Mills) and flotation plant (conventional and Jameson cells), through improved instrumentation and control strategies.
Project scope
- Design, install and commission control loop in grinding and flotation plants
- Specify novel instrumentation solutions (Flash flotation density control)
- Training site personnel on practical loop-tuning techniques
Project highlights
- Design and commissioning of stable SAG mill power / load control
- Averaging-level control on all sumps
- Accurate hydrocyclone pressure control
- Flotation level control (including feedforward control)
- Successful transfer of process control skills to site personnel
- Improved plant performance through increased plant throughput, improved circuit stability and increased SAG Mill liner life
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