Fankou lead-zinc mine tailings cement filling system

Fankou lead zinc mine tailings backfill Scheme 1. The tailings of the system are delimed by a φ500mm cyclone, and then enter a horizontal sand silo with a volume of 450m 3 , and then transported by electric shovel to a screw conveyor to make a 70% mortar. The cement is sent from a 120t cement s

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