Double Roll Coal Crusher

Product Description of Double Roll Coal Crusher

The raw coal can be directly crushed by double roll coal crusher as long as iron and impurities are removed without removing gangue. The crushed materials have a uniform particle size and low crushing rate, which simplifies the coal preparation process and reduces investment and production costs.

Main Factors Affecting the Production of Double Roll Coal Crusher

1.The maximum engagement angle should be less than or equal to twice the friction angle. When the double roll coal crusher breaks useful minerals and coal, generally the friction coefficient f = 0.30 ~ 0.35.

2.Feeding particle size and rotor diameter. The roller diameter of the double roll coal crusher should be equal to about 20 times of the maximum feeding particle size, that is to say, the double roll coal crusher can only be used as medium crushing and fine crushing of coal and ore.

3.The suitable speed of the double roll coal crusher is related to the surface characteristics of the roller, the hardness of the material, and the particle size of the ore. Generally speaking, the larger the feed size and the harder the ore, the lower the speed of the roller crusher. However, the production capacity of the double roll coal crusher is increased in proportion to the speed of the roller.

4.Production capacity. The theoretical production capacity of the double roll coal crusher is related to the distance between the two rollers, the peripheral speed of the rollers and the specifications of the rollers when operation. t is assumed that ore is uniformly discharged on the whole length of the roller, and the feeding and discharging of the crusher are continuous.

5.Motor power. The power consumption of a double roller crusher is usually calculated by empirical formula or practical data.