The physical properties of waste rock chips are different with different rocks and different milling processes. The waste rock debris left by limestone mining is processed into limestone powder with higher added value, while the granite and sandstone waste rock debris is processed into concrete or aggregate.





The grinding equipment used in the process of processing will also be different.We suggest that vertical roller mill be used to process waste rock into powder. The vertical mill has the advantages of low energy consumption, low cost, high output and high performance price ratio, which is suitable for limestone, slag powder, calcite and other materials. The material can accept 15% moisture in the feed, which is very suitable for processing the waste rock chips with uneven surface, edges and sizes, so that the product size is uniform and meets the standard, and the environmental protection production can be realized.

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