Ball mill
Category
Machinery and industrial devices
Date
Unknown
Materials
Cast iron, Rubber, Steel
Measurements
1.97 x 2.19 m*; 2.63 m* (Length)
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Borrowdale, Cumbria
NT 771079
Summary
Ball mill for further crushing the concentrated ore. Consists of a large rotating cast iron drum filled with large steel balls. Fed from the slow belt feeder (NT/FC018) through the centre of the bearing at one end. Discharges through a grid in the centre of the bearing at the other end into a rake classifier (NT/FC021). The drum is rotated by means of a diesel engine and gearbox (NT/FC020), the drive being via 8 V belts. About 750-1000 balls removed from drum of ball mill in the course of conservation work, 5.2004.