As we all know, the vertical roller mill is one of the common stone powder making machines on the market, and it’s very popular by most of superfine stone powder making factory. What’s the reason makes vertical roller mill so popular?

1. High grinding efficiency: save 20~30% power consumption compared with the ball mill. With the increasing of moisture content, it can save more and more electricity.

2. Strong drying capacity: dry and grind raw materials with moisture content as much as 15%.

3. Mutifunction: crushing, drying, grinding, separating and conveying.

4. Low noises and little dust: no direct contact between the grinding rollers and grinding disc, so metallic impact is avoided and its noises is 20~25 decibels lower. Totally closed negative pressure operation has employed by this vertical grinding mill, so there is no dust during the operation.

5.Low wear rate and little metallic pollution: its metal wear is only 5~10g/t.