Recovery device GRAY concentrate from tailings sand washing PLACER

摘要

Device for extracting gray concentrates of sands tailings flushing alluvial deposits consists of a gateway for collecting chute gold, characterized in that it has two chute discharge end of the first of them is located at a height of 2.5-3 m, a drain of the first trough put another chute, width 1.5 times larger and the slope of 8 - 10, the trough has a double bottom, top end has a window across the entire width of the bottom length 0.3-0.8, windows in the upper gateway closed bottom grid 6 mm, are stacked on top of the bottom lattice stencils continuous lower bottom.