High-pressure roller press, also known as extrusion mill, roller mill or roller press, is a new type of cement energy-saving grinding equipment. This equipment can replace the traditional ball mill pre-grinding system with high energy consumption and low efficiency, and at the same time it can reduce steel consumption and working noise. It is suitable for new plant construction and can also be used for technical renovation of old plants, which can increase the output of the production system by 30% to 50%.
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[email protected]Through the process of extrusion, the roller press can make the fines of 0.08mm account for 20% to 35% of the material, and the particles less than 2mm account for 65% to 85%. Such treatment makes the internal structure of the particles full of tiny cracks, which significantly improves the grindability of the material and increases the efficiency of grinding.
In order to enhance wear resistance, the roller surface of the roller press is usually treated using a thermal overlay welding method. This design facilitates easier maintenance of the wear-resistant layer, thereby extending the equipment's lifespan. Overall, the hpgr mill is an efficient and energy-saving cement grinding equipment, making it a technology worth adopting for cement manufacturers.
Hpgr mill is a mechanical equipment designed according to the principle of material bed grinding, its main features are high pressure, full speed, full material, material bed crushing. High pressure grinding mill consists of two extruding rollers rotating synchronously in the opposite direction, one is fixed roller and the other is movable roller. Under the action of high pressure ranging from 100 to 150 MPa, the material forms a compacted cake, which is eventually discharged from the bottom of the machine. The discharged cake contains a certain proportion of fine-grained finished products, while the non-finished particles produce a large number of internal cracks, thus improving the abrasive properties of the material, which is conducive to reducing energy consumption in the further crushing process.
| Models | Capacity(t/h) | Motor (kW) | Linear Velocity（m/s） |
| 100-60 | 105~150 | 2×(315) | 1.36 |
| 120-45 | 100~140 | 2×220 | 1.38 |
| 120-80 | 240~300 | 2×450 | 1.31 |
| 140-80 | 340~400 | 2×560 | 1.47 |
| 140-100 | 400~480 | 2×630 | 1.48 |
| 140-110 | 500~600 | 2×710 | 1.6 |
| 140-140 | 550~630 | 2×800 | 1.48 |
| 180-170 | 900~1000 | 2×1400 | 1.7 |
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