Benchmarking: Ball Mill Power Draw Models
Benchmarking: Ball Mill Power Draw - Fimiston
- Nelson, M; Valery, W; Morrell, S, Performance Characteristics and Optimisation of the Fimiston (KCGM) SAG Mill Circuit, Page 233 - 248, SAG 1996 Conference, Vancouver, Canada.
| Survey | Survey Power, kW at input |
Mill speed, %critical |
Total load, %v/v |
Pulp %solids, w/w |
Morrell BM Model, kW at input / shell |
Nordberg Model, kW at input / shell |
|---|---|---|---|---|---|---|
| Survey 1 | 3,864 | 68.3 | 38.7 | 72.0 | 3,933 / 3,776 | 3,592 / 3,345 |
- Morrell model predicts 2% high
- Nordberg model predicts 7% low
Benchmarking: Ball Mill Power Draw - Meadowbank
- Muteb, P. & Allaire, J., Meadowbank Mine Process Plant Throughput Increase, Proceedings of the Canadian Mineral Processors Annual General Meeting, Ottawa, Canada, January 2013.
| DCS Power, kW | Mill filling | Morrell Model, kW | Nordberg model, kW | |
|---|---|---|---|---|
| May 2012 | 4,341 | 30.6% v/v | 4,765 (+9.3%) | 4,423 (+1.9%) |
Benchmarking: Ball Mill Power Draw - Santa Rita
- Latchireddi, S. & Faria, E., Achievement of High Energy Efficiency in Grinding Mills at Santa Rita, Proceedings of the Canadian Mineral Processors Annual General Meeting, Ottawa, Canada, January 2013.
- Faria, E. & Latchireddi, S., Commissioning and Operation of Milling Circuit at Santa Rita Nickel Operation, Paper #137: Proceedings of the International Autogenous Grinding, Semiautogenous Grinding and High Pressure Grinding Roll Technology Conference, Vancouver, Canada, September 2011.
| DCS Power, kW | Mill filling | Morrell Model, kW | Nordberg model, kW
(no density correction) |
Nordberg model, kW
(density correction) | |
|---|---|---|---|---|---|
| July 2010 | 5085 | 27.5% v/v | 4979 (-2.1%) | 4706 (-8.1%) | 5083 (0.0%) |
