Difference between revisions of "User talk:Alex Doll"
(Created page with "Not sure what to do with this benchmarking data yet, but I'll record it here so I can find it in the future ==Ball and liner wear benchmarking== ''Ben Burger, Luis Vargas, Ha...") |
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Single-stage SAG mill, reported with slurry pooling |
Single-stage SAG mill, reported with slurry pooling |
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| − | * Bond abrasion index: 0.5 (0.467-0.555) |
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* New liner effective thickness: 7.7 inches (half-worn 5.5 inches) |
* New liner effective thickness: 7.7 inches (half-worn 5.5 inches) |
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* Ball charge: 19% v/v (18-20%) |
* Ball charge: 19% v/v (18-20%) |
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* Ball consumption: 3 kg/t (2-3.5 kg/t) or 0.16 g/kWh |
* Ball consumption: 3 kg/t (2-3.5 kg/t) or 0.16 g/kWh |
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* Bond predicted ball mill ball consumption: 0.13 kg/kWh; ''actual ~ predicted'' |
* Bond predicted ball mill ball consumption: 0.13 kg/kWh; ''actual ~ predicted'' |
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| + | * Grate wear: 0.06 g/kWh steel; 0.02 g/kWh rubbber |
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| + | * Bond predicted ball mill liner consumption: 9.5 g/kWh |
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* Laboratory testwork: |
* Laboratory testwork: |
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| + | ** Bond abrasion index: 0.5 (0.467-0.555) |
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** DWi 3.45 kWh/m³ |
** DWi 3.45 kWh/m³ |
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** Mia 12.3 |
** Mia 12.3 |
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Revision as of 20:39, 11 April 2013
Not sure what to do with this benchmarking data yet, but I'll record it here so I can find it in the future
Ball and liner wear benchmarking
Ben Burger, Luis Vargas, Hamer Arevalo, Sergio Vicuna, Jim Seidel, Walter Valery, Alex Jankovic, Roberto Valle and Eduardo Nozawa, YANACOCHA GOLD SINGLE STAGE SAG MILL DESIGN, OPERATION, AND OPTIMIZATION, SAG 2011
Single-stage SAG mill, reported with slurry pooling
- New liner effective thickness: 7.7 inches (half-worn 5.5 inches)
- Ball charge: 19% v/v (18-20%)
- total charge: 22.5% v/v (20%-25%)
- grate open area 12%; wear rate 0.6 mm/day (rubber)
- Operating work index 23.0 - 25.2 metric
- Ball consumption: 3 kg/t (2-3.5 kg/t) or 0.16 g/kWh
- Bond predicted ball mill ball consumption: 0.13 kg/kWh; actual ~ predicted
- Grate wear: 0.06 g/kWh steel; 0.02 g/kWh rubbber
- Bond predicted ball mill liner consumption: 9.5 g/kWh
- Laboratory testwork:
- Bond abrasion index: 0.5 (0.467-0.555)
- DWi 3.45 kWh/m³
- Mia 12.3
- A: 82.8; b: 0.88; A×b: 72.9
- ta: 0.75
- density: 2.52 t/m³
