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The problem of river pebbles in the process of crushing is that the wear parts are easily worn, because the silicon content in river pebbles is very high. Therefore, it is necessary to carefully study the crushing technology for stone plant projects using river pebbles as raw materials. As a crusher manufacturer, we recommend the use of lamination equipment and multi-stage crushing plan as far as possible under the condition of customer conditions. Multi-stage lamination equipment (mainly jaw crusher and cone crusher) can greatly reduce the wear cost of wear-resistant parts, and at the same time, it can reduce the back material after screening and increase the production capacity of the production line. Assuming that the customer’s market does not have a high demand for the grain shape of the finished stone, the two-stage jaw crusher can be used for production. This kind of equipment is a low-cost, simple maintenance and repair plan, and the production cost is also very economical in all plans. However, the disadvantage of this plan is that the grain shape contrast of the stone is poor, and the proportion of needle-like material is high. The competitiveness of stone in the market is not high, because high-grade construction requires stone with excellent grain shape.
If the grain shape of the required product is good, and the production cost can be reduced at the same time, then we can use the technical plan matched with the two-stage lamination crusher (jaw crusher + fine jaw crusher/cone crusher) and impact crusher. Such equipment can make the crushing work completed by the first and second crushing (lamination crushing), and finally the whole-shaped crushing is carried out by the impact crusher. Such equipment skills can greatly reduce the reverse material formed after screening.