Difference between revisions of "Benchmarking: Ball Mill Power Draw Models"
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==Benchmarking: Ball Mill Power Draw - Collahuasi== |
==Benchmarking: Ball Mill Power Draw - Collahuasi== |
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| − | * ''Villouta, R.M.'', '''Collahuasi: After years of operation''', Proceedings of the International Autogenous and Semiautogenous Grinding Technology conference (SAG 2001), Vancouver, Canada, Pages I-31 & |
+ | * ''Villouta, R.M.'', '''Collahuasi: After years of operation''', Proceedings of the International Autogenous and Semiautogenous Grinding Technology conference (SAG 2001), Vancouver, Canada, Pages I-31 – I-42 |
[[Benchmarking: Collahuasi ball mill model|See details of benchmarking]] |
[[Benchmarking: Collahuasi ball mill model|See details of benchmarking]] |
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Revision as of 16:20, 31 May 2014
Contents
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 SAG Model, kW at input / shell |
Nordberg Model, no density correction kW at input / shell |
Nordberg Model, density correction kW at input / shell |
|---|---|---|---|---|---|---|---|
| Survey 1 | 3,864 | 38.7 | 72.0 | 3,798 / 3,798 | 3,619 / 3,370 | 3,894 / 3,626 |
- Morrell model predicts 2% high
- Nordberg model predicts 7% low with no density correction and 0.8% high with density correction.
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
no density correction |
Nordberg model, kW
density correction | |
|---|---|---|---|---|---|
| May 2012 | 4,341 | 30.6% v/v | 4,765 (+9.3%) | 4,426 (+1.9%) | 4,753 (+9.5%) |
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%) |
Benchmarking: Ball Mill Power Draw - Collahuasi
- Villouta, R.M., Collahuasi: After years of operation, Proceedings of the International Autogenous and Semiautogenous Grinding Technology conference (SAG 2001), Vancouver, Canada, Pages I-31 – I-42
