FIELD: separate pumping of mixtures having different densities after preliminary settling in continuous mode. SUBSTANCE: device has settling chamber, overflow wall, oil chamber, oil and water overflow pumps. Intake end of water pump is fitted on bottom of settling chamber. Fitted opposite intake end is hollow damper. Flat float mounted at level of interface is secured on damper and responds to reduction of level of carrying medium by seating the damper on intake end of water pump. EFFECT: enhanced reliability. 4 cl, 2 dwg
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