Hefei Hengcheng Industrial Equipment Technology Co., Ltd
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Superfine Vertical Grinding Mill 45 t/h Efficient Energy-saving Vertical Mill for Bentonite Plant
Description
Vertical roller mill is a type of grinder used to grind materials into extremely fine powder for use in mineral dressing processes, paints, pyrotechnics, cements and ceramics. It is an energy efficient alternative for a ball mill.
We have supplied vertical roller mills for raw, coal, Bentonite,slag and cement grinding for several decades. The vertical roller mill is well known in the cement and power plant industries as the preferred mill for grinding of raw materials. It is increasingly used as a solution for efficient grinding.
The bentonite ore is generally irregular soil mass after mining, and contains about 25%-28% of water. It is firstly dried in the storage yard to remove part of the surface water, and then crushed by a crusher to a particle size of 3-5cm. After processing, feed into the vertical mill.
Technical Parameters Table
| Specifications | HVM800 | HVM1250 | HVM1300 | HVM1500 | HVM1700 | HVM1750 | HVM1900 | HVM2400 | HVM2400 | HVM2500 |
| Grinding table median diameter(mm) | 800 | 1250 | 1300 | 1500 | 1700 | 1750 | 1900 | 2400 | 2400 | 2500 |
| Capacity(t/h) | 1-3 | 2-7 | 3-12 | 4-16 | 6-24 | 7-27 | 7-28 | 9-35 | 10-39 | 11-45 |
| Materials Grain Size(mm) | 0-15 | 0-20 | 0-25 | 0-35 | 0-35 | 0-35 | 0-40 | 0-40 | 0-40 | 0-50 |
| Materials Moisture(%) | ＜5 | |||||||||
| Product Fineness(10-40um) | 97% | |||||||||
| Product Moisture(%) | ≤1 | |||||||||
| Main Motor Power(kw) | 55 | 132 | 180 | 250 | 355 | 400 | 450 | 560 | 630 | 710 |
Re:The data based on Mohs'hardness 3-4 material
The product fineness can reach 10 um(1250 meshes)
Vertical Mill For Bentonite Processing Feature
1, Adopting material bed grinding, the grinding pressure is adjustable, the powder selection efficiency is high, the fineness adjustment range is wide, and the product adjustment is convenient;
2, Single machine has high output, low loss (power consumption and abrasion), low noise, and low negative pressure dust;
3, The whole line is controlled by PLC with a high degree of automation.
Working Principle:
The electric motor drives the grinding plate to rotate through the reducer. The material falls into the center of the grinding plate from the feed port, and at the same time, hot air enters the grinding mill from the air inlet. Under the action of centrifugal force, the material moves to the edge of the grinding disc. When passing through the annular groove on the grinding disc, it is crushed by the grinding roller. The crushed material is picked up by the high-speed airflow from the air ring at the edge of the grinding disc, and the large particles fall directly onto the grinding disc. Re-grinding. When the materials in the air flow pass through the dynamic and static separators, under the action of the rotating rotor, the coarse powder falls on the grinding disc and is ground again. The qualified fine powder comes out of the grinding along with the air flow and is collected in the powder collecting device. product. Materials containing moisture are dried during contact with hot gas to achieve the required product moisture.