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Coal ash is generated from the burning coal gas, which is the primary solid waste emitted from coal-fired power factory. If we do not dispose the coal ash, it will create fly ash and pollutes the environment. If it is pouring into water system, which will block the river. Vertical roller mill appears fitting the time pace. Want to dispose coal ash, vertical roller mill will be your new choice.
Here below are several technical advantages of the coal ash vertical roller mill.
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. Muti-function: 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.