The task of converting raw materials into sorted aggregates has evolved into an extremely efficient operation. The unsorted aggregate is loaded into a hopper in prepartion for the intial sorting process, which sends sand, larger rocks, and shingle into three separate processes.
Sand is moved to a fine sieve which sorts the material into building sand and sharp sand, each being temporarily stored in separate stockpiles before moving on to the bagging plant.
The rocks are moved to a crusher, which breaks them down into shingle. This material then rejoins the sorting process, where any remaining larger rocks are extracted again for further crushing, but the remaining shingle moves on for washing and sorting.
Recycled water is used in the washing process to remove sand that was not shaken off in the initial stages. This sand, and the water carrying it, flows back to the sieve for sorting. The water is returned for washing further shingle.
The final process sorts the shingle between 10mm and 20mm, each moving to its own temporary stockpile prior to being moved to the bagging plant.
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