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The actual strength of the particle of crusher is related to its size factor
   Discussion: The actual strength of the particle of crusher is related to its size factor
yoyocrusher · 7 years, 3 months ago
The internal stress produced by the Construction Waste Crusher can reach the ultimate strength of brittle failure before its significant rheology, and the particles are easy to be crushed. The plastic particles can be seen obvious rheology, but the structure is not easy to produce obvious damage. The energy consumed by the rheology is released into heat, and the particles are hard to shatter. In the external insulating effect, crystal structure inside the particles will appear as stress relaxation phenomenon, and deformation in the deformation value can remain unchanged under the conditions of stress will gradually disappear, the elastic energy storage will be converted into heat, so as to improve the grinding zone temperature. The instantaneous shear stress helps to shorten the rheological process of particles, thus overcoming the macroscopic viscosity of these particles, reducing the temperature in the mill and speeding up the grinding process. The pretreatment of materials and the development of internal lattice defects are effective means to improve comminution efficiency. Such as steel slag water quenching and high-pressure roller mill extrusion pre crushing has been widely used. In the plastic deformation range, the strain first develops along the sliding surface occupied by the crystal structure defects. With the increase of the humidity in the grinding area, the fluidity of the interface atoms will increase, which will partially expand the defect healing, which is not conducive to the process of grinding. It is beneficial to improve the comminution efficiency by removing the heat from the crushing zone in time and decreasing the temperature in the crusher. The strength of the solid particles decreases with the high frequency periodicity, which is caused by the periodic load that causes the fatigue failure of the particles and breaks along the weakest part of the structure. It is the principle of using vibratory mill and high speed impact mill to finish superfine grinding. The finer the particles are, the higher the frequency of action is, and the high energy comminution and dispersion of ultrasonic waves are the same. The actual strength of particles is related to their size factors. As the particles become more and more thin, the crushing difficulty also increases rapidly. The grinding process mainly develops and produces structural defects, and the finer the particles are, the less structural defects are, and the strength of the body is improved. The actual limit of crushing fineness is about a few hundred nanometers, and further grinding is almost in the ideal crystal structure to form and develop new defects, no doubt need to consume huge energy.
vynalori · 4 years, 2 months ago
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