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Iron Ore Crushing Set Up

Crushing As mined iron ore contains lumps of varying size the biggest being than 1 metre (40 inches) across and the smallest about 1 millimetre (0 04 inch) The blast furnace however requires lumps between 7 and 25 millimetres so the ore must be crushed to reduce the maximum particle size Crushed ore is divided into various fractions by passing it over sieves through which undersized