SLUICE BOX FOR ENRICHMENT OF PLACERS Russian patent published in 1999 - IPC

FIELD: enrichment of mineral resources. SUBSTANCE: sluice box has loading device and flow guides positioned in upper part of body, body with bottom consisting of two planes arranged at an angle relative to each other which decreases gradually from sluice box loading to unloading. Sluice box also includes damping plates spaced from each other and from sluice box bottom, flow splitter designed to discharge surplus water, and concentrate cut-off device. Vertical sides of sluice box narrow down towards unloading and approach central longitudinal axis in plan. In this case, body of sluice box is inclined to horizon. Sluice box extraction of small and fine-dispersed particles of valuable component. EFFECT: higher efficiency. 4 dwg