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Factors affecting the crushing effect of impact crusher

Date:2019-10-30 09:35 Source:cementepcViews:

Impact crusher is widely used in production due to its simple structure and large crushing ratio.Impact crusher how to increase the finished product of circular grain, impact impact crusher crushing effect of factors.
 

1. Rotor rotation speed

impact crusher

Rotor rotation speed can guide the impact crusher to select the appropriate rotation speed when crushing materials of different particle sizes and materials, so as to prevent excessive crushing of materials and reduce energy consumption.
 

Influence of rotor rotation speed:


Generally speaking, the higher the rotor speed of the impact crusher, the greater the impact force when the plate hammer and the material contact collision, with the increase of the speed, the greater the impact force when the material and the impact plate collision, the better the impact crushing effect of the material, the higher the damage degree of the material.
 

2. Moment of inertia of rotor

impact crusher

Usually each kind of model of counterattack crusher can crushing material range is certain, that is in large part with this type of crusher is the size of the installation of the moment of inertia of the rotor, the rotor speed under the condition of the same, different moment of inertia of the rotor can provide crushing force, namely crushing capacity, directly affects the performance of the crusher.
 

Influence of rotor inertia:


When the material is broken by impact, the greater the rotor inertia is at the same speed, the greater the impact crushing force of the plate hammer on the material and the material and the counterattack plate will be. When the material is broken by shear, the smaller the counterattack force of the material is, the easier the material will be broken by shear.
 

3. Angle of each counter plate

impact crusher

The Angle of each counter plate has a great influence on the effective crushing force generated when the block hits the counter plate. The force perpendicular to the collision contact interface is usually called the effective crushing force, that is, the force that can cause the crushing of the block.The most ideal situation is that the stone can be perpendicular to the counterattack plate every time it collids with the counterattack plate. At the same time, the counterattack plate from different angles has a great influence on the impact and shear crushing of the material.
 

Impact of Angle of each counter plate:


It is found that reducing the Angle of primary impact plate has a good effect on shear crushing of materials, but is not conducive to impact crushing of materials. Increasing the Angle of primary impact plate can increase the number of impact collisions and enhance the impact crushing effect, but is not conducive to shear crushing of materials.The same is true for secondary or tertiary impact plates of impact crushers.

The higher the rotor speed, the greater the moment of inertia and the greater the impact force, the better the impact crushing effect of the material and the stronger the damage degree of the material. In the case of shear crushing, the interaction force between the material and the counterattack plate and the plate hammer is smaller.Reducing the Angle of the counterattack plate has a good effect on the shear crushing of materials, but it is not conducive to the impact crushing of materials, and increasing the Angle of the counterattack plate is just the opposite.These have a positive guiding effect on the design and production of the impact crusher.

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