Grinding Mill Types2019-03-26

Abstract

Vertical Grinding Mill VS Ball Mill 1. Energy consumption The vertical Grinding Mill has few moving parts, is low-energy type, and has low vibration; all components of the ball Grinding Mill are basically in motion, which is high-ene…

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Vertical Grinding Mill VS Ball Mill

1. Energy consumption

The vertical Grinding Mill has few moving parts, is low-energy type, and has low vibration; all components of the ball Grinding Mill are basically in motion, which is high-energy type and has large vibration. In addition, the vertical Grinding Mill uses a grinding roller to directly crush the ground material on the grinding disc, which saves energy by 30% to 40% compared with the ball Grinding Milling system.

In general, the power consumption of the vertical Grinding Mill can be reduced by 30% to 50% compared to the energy consumption of the ball Grinding Mill in the case of the same material grinding property and the same product particle size.

2, drying ability

The vertical Grinding Mill combines grinding, grading and drying (when the material moisture is large), and collects them in one body. The material is transported by hot air flow, and when the materials with relatively large moisture content (such as coal, slag, etc.) are ground. The inlet air temperature can be controlled to make the product reach the final moisture. The vertical Grinding Mill can dry the material with 12%-15% moisture, and the drying ability is strong. Even if the ball Grinding Mill is dried, the moisture can only be dried 3%-4%. Material. Therefore, the vertical Grinding Mill is used for material production with high moisture content, which not only saves economic costs, but also saves time cost.

3. Material discharge methods

The vertical Grinding Mill discharge material is forced to avoid over-grinding. After the material is crushed by the grinding roller on the grinding disc, it is taken away by the high-speed airflow of the wind ring at the edge of the grinding disc, and the qualified fine powder is collected by the dust collecting device along with the air flow through the powder selecting machine.

The ball Grinding Mill discharge material is self-discharge type, which is prone to over-grinding, especially the overflow ball Grinding Mill. Its material is automatically overflowed. When the material level is higher than the discharge port, it automatically discharges, consumes energy and is easy to over-grind.

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