PLANT GRINDING STUDY to measure Efficiency
DESCRIPTION |
January 1975 |
February 1975 |
March 1975 |
April 1975 | ||||||||||
68% CS |
73% CS |
68% CS |
73% CS |
68% CS |
73% CS |
68% CS |
73% CS | |||||||
Mill A |
Mill B |
Mill C |
Mill A |
Mill B |
Mill C |
Mill A |
Mill B |
Mill C |
Mill D |
Mill A |
Mill B |
Mill C |
Mill D | |
Feed Size 80% passing Product Size 80% Passing Feed Rate TPH Average Power Kw Reduction Ratio KwH/T Moto = Input (Efficiency: 93%) kwH/T at Mill Pinionshaft Wio (Operating Work Index) Mill Diameter Efficiency EF3 Oversized Feed Factor EF4 Wioc Grindability Test Equivalent Grindability Test Results W Rod Milling * 1180 um (14 Mesh) Ball Milling * 212 um (65 Mesh) Ball Milling * 150 um (100 Mesh) Grinding Efficiency Wioc ÷ W. Wi used was at 212 um |
17485 218 213 2275 80.2 10.68 9.93 16.51 0.914 1.30 13.89
16.1 13.4 13.2
1.04 |
17032 231 228 2314 75.7 10.15 9.44 16.21 0.914 1.24 14.30
16.0 11.7 12.0
1.22 |
17032 238 248 2512 71.6 10.13 9.42 16.48 0.914 1.33 13.56
15.7 13.4 13.2
1.01 |
16731 227 219 2281 73.7 10.42 9.69 16.53 0.914 1.35 13.40
17.0 13.8 14.0
0.97 |
16730 229 234 2308 75.1 9.86 9.17 15.72 0.914 1.35 12.74
16.0 14.0 13.3
0.91 |
16797 243 272 2566 69.1 9.43 8.77 15.54 0.914 1.36 12.5
16.7 13.7 12.9
0.91 |
16077 236 220 2293 68.1 10.42 9.69 16.94 0.914 1.27 14.59
15.9 12.4 12.8
1.18 |
16181 218 231 2332 74.2 10.10 9.39 15.69 0.914 1.30 13.20
16.9 13.1 13.0
1.01 |
16026 212 262 2565 75.6 9.79 9.10 14.97 0.914 1.32 12.41
16.2 13.9 12.7
0.89 |
15656 221 234 2461 70.8 10.52 9.78 16.51 0.914 1.28 14.10
16.6 12.8 12.8
1.10 |
16976 258 238 2283 65.8 9.59 8.92 16.34 0.914 1.36 13.15
13.8 14.0 13.4
0.94 |
1648 243 245 2330 67.9 9.51 8.84 15.68 0.914 1.33 12.90
16.3 13.2 15.3
0.98 |
15779 236 278 2548 66.9 9.17 8.52 14.93 0.914 1.30 12.57
15.8 13.0 13.1
0.97 |
15242 251 258 2445 60.7 9.48 8.81 16.01 0.914 1.39 12.60
16.1 14.3 13.3
0.88 |
DESCRIPTION
What's a Ball Mill & How does it Work Exploration Development Identifying Barium Minerals High-Tech Prospecting Mining Glossary P & Q Specialty Collectors Zinc Section of Lead-Zinc Flowsheet Primary Crushing Effect of Feed Gradation on Crusher Performance Crusher Capacity Charts and Tables Milling, Smelting and the Environment Diamond Pipes Crushing Action Mining Glossary U-Z Selective Differential Flotation Explained
