Analysis of crushing force of inertial cone crusher
Author:xixi Addtime:2019-06-10 Click:
The crushing force of the eccentric cone crusher is determined by the hardness of the broken material and the filling rate of the material in the crushing chamber. The crushing force is variable, and the material mainly bears the crushing and bending forces from the working surface. The interaction between the materials is very weak, so there is no selectivity in the breaking process. On the one hand, the phase of most multiphase materials is not dissociated, while on the other hand, there is local over-crushing, which results in the loss of useful components. The application of eccentric cone crusher is limited to materials with a compressive strength of less than 200Mpa, and harder materials are hard to break, or they require high energy consumption and require a lot of energy.Only when the segment is broken can it be realized.
There is an essential difference between the inertial cone crusher and the eccentric cone crusher. The size of the breaking force in the inertial cone crusher is mainly determined by the inertial force produced when the exciter rotates.
Because the inertial cone crusher is packed with feedstock, the material layer can be compacted properly by applying the strictly quantitative pressure caused by the inertial force to the material layer, so that the material can be subjected to omni-directional extrusion and the interaction between the material particles. At the same time, under the strong pulsating impact caused by inertial force, the material is subjected to alternating extrusion, shear, bending and torsional stress in the crushing chamber. Because the smaller the particle size, the less the lattice defect and the greater the strength, so the small particle with high strength can break up the adjacent large particle with small strength; in the equal strength particle, the lattice is deficientThe particles that overlap with the shear force direction are broken. Thus, the material is broken along the region between the lattice and not the crystal itself, and the material after crushing has the lowest over-crushing. Thus, the selective crushing of materials can be realized, and the compressive strength of materials can be easily broken up to 360 MPA.
Compared with the traditional crusher, the inertial cone crusher has a higher power to volume ratio and can reasonably utilize the supplied energy. This also requires the higher strength of the main components of the machine. The shell of the inertial cone crusher is subjected to the impact and extrusion of the moving cone and is reduced by the vibration isolator, rather than being transmitted to the foundation through a foundation bolt like an eccentric cone crusher. If the shell is light and the impact and extrusion are very small, it is impossible to break the material, so the inertial cone crusher is heavier than the eccentric cone crusher of the same type, for example, the average φ 600 eccentric cone crusher is about 5 tons, while the GYP-60 is about 5 tons.The 0. 0 inertia cone crusher is 9 t, almost doubled in weight to ensure its reliability.
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