Putzmeister hydraulically driven positive displacement pump units transfer tailings from mining operations to either a backfill system underground, or to a deposition area through pipelines within 2km - 3km or more of the site.
The gold mine Bulyanhulu, located in Tanzania, has both an underground operation where backfill takes place, and a separate paste deposition site for the tailings. This operation began production in 2001.
The two HSP 25100 HP double piston pumps with two 315kW hydraulic power packs are designed for an output of 80m³/h each and a delivery pressure of 8MPa (1,160psi).
The two pump systems are installed side-by-side and are connected to one 200mm delivery line. A high-pressure damper is integrated in the delivery line to reduce pressure peaks.
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