Classification ScienceDirect
· Thus classifiers with a 300 mm spiral diameter revolve at about 8 20 rpm while the 2022 mm diameter spirals rotate at about 2 5 rpm to give a sand conveying speed of 2 m/s The raking capacity of the large classifiers is approximately 200 t/h while smaller classifiers have raking capacities as low as t/h To some extent the capacities depend on the number and design of the
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