FIELD: devices for separating mud mixture. SUBSTANCE: mud sattler contains basin with mud mixture, annular discharging channel provided with straight and toothed weirs. The weirs are made of edge of the channel side or edge of superstructure under the channel side. The height of the weir bulkhead of the first weir from the side of center part of the basin is larger than height of the weir bulkhead of the second weir. EFFECT: smoothed peaks of flow rates of drains, reduced carrying away of suspended matters. 7 cl, 19 dwg
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