Modern Quarrying Q1 2023

MASTERING SAND PRODUCTION

Weir Minerals Africa offers a diverse portfolio of aggregate machinery and comminution processing equipment that is designed to perform optimally in the toughest conditions. Modern Quarrying spoke to Theo Hendricks – Product Manager Comminution at Weir Minerals Africa (Weir) about its Sandmaster™ range of sand wash plants. The Sandmaster™ washing solutions offered by Weir are innovative and market-leading and utilise processing equipment designed to deliver a high-quality sand in line with the needs of the client.

SAND WASHING

Weir Minerals offers a wide range of Isogate slurry valves that perform in the toughest conditions.

T he Sandmaster™ sand wash plant is one of the solutions Weir offers to the quarrying industry for the production and washing of sand. “These plants are highly efficient, rugged and reliable and designed to provide the lowest cost of ownership,” says Hendricks. “Weir Minerals offers two types of washing equipment for sand - its SP and DP range. The SP (single product) range produces a single type of sand while the DP (dual product) range can produce two Theo Hendricks, Product Manager Comminution at Weir Minerals Africa.

single-grade washing unit can also be used to remove unwanted fines or clays, convert ‘crusher dust’ into saleable sand, recover saleable sand from effluent streams, recover tailings and grit, and wash recycled materials and construction waste. Sandmaster™ DP series Possessing similar technology as the Sandmaster™ SP series, the DP series is a dual-grade sand plant and enables the owner to create two separate products, at the same time. “The Sandmaster™ DP series

products simultaneously,” explains Hendricks. The SP range has seven models in capacity ranging from 25, 50, 70, 100, 150 and 200 tons per hour while the DP range consists of three models – 70, 100 and 150 tons per hour. Sandmaster™ SP series This series removes excess fines or coarse material in a simple way. “It delivers clean, low moisture product that can be conveyed to the stockpile and discharges one type of sand,” explains Hendricks. This

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