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First of all the material properties such as particle size, into the third generation of sand making machine cavity of the material granularity requirements, can not have more than the specified feed grain size of material into the crushing chamber, the material granularity in a certain extent can affect the production of sand products, the size of the concrete and asphalt, can ensure that the material particles are mutually locked state, the particles between the smaller, more solid, will not happen displacement phenomenon, but also reduce the use of cement, reduce production costs.
Therefore, the control of the material strictly, in order to ensure the quality of the finished product and application effect is good. Third generation of sand machine on the material size requirements of the material is strictly reflected in the large material into the crushing chamber will aggravate the wear of the impeller, the impeller wear will cause the imbalance of the impeller, will result in serious damage to the sand machine, so that the system can not be normal crushing production, even will cause certain parts of the damage. So to strictly control the feed particle size, at the same time to ensure the continuous and uniform feeding, production will not cause blockage or idling caused by high energy consumption, reduce the efficiency of production. The fine powder content in the material can also cause the production efficiency to drop. The product quality can not meet the requirements of the system. Therefore, we must control the content of fine powder in the sand material.