Description of Semi Autogenous Mill:
This semi-autogenous mill, also called semi-autogenous grinding mill or SAG mill, is mainly used to grind ores and other particulate matter in different fields, like chemical industry, mining field, metallurgy industry, building material sector, and so on.
It is an autogenous mill in nature, but it employs grinding balls to assist in its grinding just like in a ball mill. And it is mainly used in the first stage of grinding. When compared with a ball mill, it is characterized by its larger diameter and shorter length. The inside of it is lined with lifting plates to lift the materials inside up and around the inside of the mill, where it then falls off the plates into the rest of the ores. And it is widely used to process gold, copper, lead, zinc, alumina, nickel, platinum, etc.
Parameters of Semi Autogenous Mill:
| Cylinder diameter (mm) | Cylinder length (mm) | Effective volume of cylinder (m3) | Max. ball loading capacity (t) | Rotate speed (r/min) | Power of main motor (kw) |
|---|---|---|---|---|---|
| 4000 | 1600-3600 | 19-42 | 13-29 | 16.2 | 310-710 |
| 4500 | 1800-4100 | 27-61 | 19-43 | 15.3 | 470-110 |
| 5000 | 2000-4500 | 38-83 | 27-58 | 14.5 | 700-1500 |
| 5500 | 2200-5000 | 51-112 | 36-78 | 13.8 | 960-2200 |
| 6100 | 2400-5500 | 69-152 | 48-106 | 13.1 | 1400-3100 |
| 6700 | 2700-6000 | 93-201 | 65-140 | 12.5 | 2000-4300 |
| 7300 | 2900-6600 | 120-264 | 84-184 | 12 | 2600-5900 |
| 8000 | 3200-7200 | 160-347 | 112-242 | 11.4 | 3600-8100 |
| 8600 | 3400-7700 | 197-429 | 137-299 | 11 | 4600-10000 |
| 9200 | 3700-8300 | 246-530 | 172-370 | 10.7 | 5900-13000 |
| 9800 | 3900-8800 | 296-640 | 206-446 | 10.3 | 7300-16000 |
| 10400 | 4200-9400 | 359-770 | 250-537 | 10 | 9100-20000 |
| 11000 | 4400-9900 | 422-909 | 294-634 | 9.8 | 11000-25000 |
| 11600 | 4600-10400 | 492-1064 | 343-742 | 9.5 | 13000-30000 |
| 12200 | 4900-11000 | 580-1246 | 405-869 | 9.2 | 16000-36000 |