The vertical mill air classifier rotor, also known as the vertical mill separator rotor, is a critical component of the vertical roller mill (VRM) system. It plays a key role in controlling product fineness and ensuring stable, efficient grinding performance in cement, slag, and steel slag vertical mills.
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ec@shyychina.comThe vertical mill air classifier (powder concentrator) mainly consists of:
This optimized structure ensures uniform airflow distribution and accurate particle classification, suitable for continuous operation in high-capacity mills.
| Models | Product Fineness | Air Volume | Rotation Speed | Motor power | Maximum Capacity | Production Capacity |
| R0.08(%) | （m3/h） | （rpm） | （kw） | （t/h） | （t/h） | |
| S-250 | 0～3 | 15000 | 250~500 | 11 | 50 | 10~18 |
| S-350 | 0～3 | 21000 | 220~450 | 18.5 | 90 | 15~28 |
| S-500 | 0～3 | 30000 | 180~400 | 22 | 120 | 20~40 |
| S-750 | 0～3 | 45000 | 160~340 | 30 | 150 | 30~50 |
| S-1000 | 0～3 | 60000 | 130~300 | 37 | 210 | 40~70 |
| S-1250 | 0～3 | 75000 | 130~280 | 37 | 250 | 50~85 |
| S-1500 | 0～3 | 90000 | 130~260 | 45 | 300 | 75~100 |
| S-1750 | 0～3 | 105000 | 120~250 | 55 | 360 | 85~120 |
| S-2000 | 0～3 | 120000 | 120~240 | 55 | 420 | 110~140 |
| S-2500 | 0～3 | 150000 | 110~200 | 75~90 | 520 | 130~170 |
| S-3000 | 0～3 | 180000 | 110~180 | 90~110 | 600 | 150~200 |
| S-3500 | 0～3 | 210000 | 110~180 | 110~132 | 690 | 180~230 |
| S-4000 | 0～3 | 240000 | 110~180 | 132~160 | 780 | 200~260 |
After grinding, the vertical mill air classifier precisely selects particles that meet the required fineness. Oversized particles return to the grinding zone while qualified powder exits the system. This process:
The new-generation high-efficiency air classifier rotor reduces circulating load to below 100% and increases powder selection efficiency to over 70%, significantly improving mill productivity and supporting energy-saving operation.
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