According to different grade of construction the road and rail, for aggregate quality requirements also has a large difference, try to improve the quality of aggregate is the necessary choice for sand stone factory, and the choice of crusher machine, sand making machine and other sand production line is essential. Generally speaking the process of aggregate production is； after crushing rockery then crushing by jaw crusher to coarse crushing , then according to the hardness and yield of stone to choose the impact crusher or cone crusher for secondary crushing, finally though by the process of sand making machine into the standard aggregate particle. Wet sand maker also required with the sand washing machine to washing the aggregate, at last to be the high quality of building aggregate. Surely, according to local circumstances, some areas can be directly used the river gravel and shingle in the river to directly processing, according to the sediment concentration and particle size to choose the equipment ; jaw crusher, cone crusher, sand making machine and so on. Surely, according to the actual material situation, a whole set of equipment also include vibrating feeder, belt conveyor, vibrating screen and sand washing machine. Generally crusher production company will be based on the practical situation of customer to in production collocation, so to come up with the maximum equipment efficiency, so advise to the investor to listen to so much the recommend of crushing manufacturing, choose the right production line configuration.
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