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Crushing


Mine ore is drawn mainly from the adjacent Mallapa Shaft ore-bin of 1000 tonnes capacity, while ore from the other shafts is brought in to the crushing circuit via a surface ore-bin of about 200 tonnes capacity equipped with chain feeder and inclined conveyor belt etc.

ROM is crushed to -10 mm size in three stages. In the first stage there are three nos. of Kue Ken Jaw crushers, which act as primary crusher and crushed ore stored in 200 MT. In the second stage 2 Nos. of 3' standard symon cone crusher act as secondary crusher and in the tertiary stage, there are 2 nos. of 3' short head and 2 nos. of 4' short head symon cone crushers. These crushers are in close circuit with vibrating screen. Crushed product is stored in a fine ore bin of 1500 tons capacity before feeding to grinding plant. Automatic sampler and weight meter and weighbridge provide the necessary production input details.