The MDS M515 provides a solution for a multinational quarry's operations in the, U.S.A which received a large order to produce Rip-Rap material for a sea defense project.
Their quarries were plagued by rip-rap embedded with stubborn dirt veins. Despite previous attempts with conventional screens yielding no success, the company was determined to find a solution.
The job required an oversize material of (12"-31.5") 300-800mm and a mid-product size of (6"-12") 150mm-300mm. The quarry rock had been blasted and contained material up to (30”) 750mm. A traditional scalping screen could not give the required 2 products in one pass due to the size restrictions between the top and middle deck of screens.
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• Machine should be able to handle a feed size of up to (30") 750mm.
• Must be heavy-duty enough withstand a consistent high tonnage feed of large, abrasive material.
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1. Product Classification: The M515 was able to create 3 different sized products:
• (+12") +300mm product on the oversize conveyor
2. Fines Separation: The M515 was able to separate the (0-6") 0-150mm fines product that was not a requirement for the job. However, the stockpile height of the fine’s conveyor (4.07m) means the material can be feed directly to another screening plant to make additional products.
The implementation of the MDS M515 heavy duty trommel screen resulted in the customer being able to successfully fulfill the job requirements, in a cost-effective, efficient manner and helped to secure further contracts for other Rip-Rap projects.
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