FIELD: mining.
SUBSTANCE: solid mass is subject to alluvial re-deposition with water flow. For that purpose, above the level of minefield section there created is water reserve, and in the minefield section there opened is some part of reserves with pioneer ditch. Drain ditch is passed from minefield section so that vortex and laminar flow zones are created in it. Water is drained from storage pond. Water flow breaks solid mass starting from pioneer ditch area, weighs the solid mass material and moves in the flow via drain ditch to the zone with laminar current conditions. In that area the productive particles are deposited, and thin clay material in the form of pulp flows to sludge pit.
EFFECT: reducing labour input and losses of useful components.
8 cl, 1 dwg
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