The three-ring medium-speed micro-powder mill is one of the most advanced dry-process non-metallic ultrafine grinding equipment in China. The crushing of materials and the classification of powders occur within the same machine body but operate independently. This design offers a compact structure, adjustable product fineness ranging from 1400 to 3000 mesh, easy maintenance, low energy consumption per unit product, and cost-effective investment. The entire process, from crushing and classification to finished product, takes place in a closed system, and the dust-laden gas is treated by dust removal equipment, ensuring no pollution. It is an ideal green and environmentally friendly piece of equipment.
 
               
    | Model | Feeding particle size (mm) | Feed moisture (%) | Finished product particle size range (μm) | Capacity (t/h) | Main machine power (kW) | Powder classifier power (kW) | Fan power (kW) | 
| HWM821 | <10 | ≤3% | 5~45 | 0.5~4 | 75-90 | 18.5-22 | 45-55 | 
| HWM1021 | 1~6 | 110-132 | 22-30 | 75-90 | |||
| HWM1228 | 1.5~12 | 185-200 | 37-55 | 110-132 | 
| Model | Capacity (t/h) | Main machine power (kW) | 
| HWM821 | 0.5~4 | 75-90 | 
| HWM1021 | 1~6 | 110-132 | 
| HWM1228 | 1.5~12 | 185-200 | 
 
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