DEVICE FOR DEWATERING OF SEDIMENT Russian patent published in 1997 - IPC

FIELD: mining industry. SUBSTANCE: this relates to mine settlers where clarification of water takes place together with dewatering of sediment. Device for dewatering of sediment located in mine working has accumulating vessel, filter, drainage system, pipelines. Installed in accumulating vessel before main roof support is auxiliary support with its outer side being embraced by load-bearing and supporting screens. Located in space between roof supports are layers of granular material which are equal in thickness and different by their granulometric composition. Installed in sides of vessel are folding filtering partitions with openings. Bottom of vessel is made with incline from its middle to both sides towards end faces and is coated with layer of granular material. Draining pipes are laid in granular material of space between roof supports and in bottom of vessel. EFFECT: high efficiency. 1 cl, 4 dwg