METHOD FOR TIER STOCKING OF GRAIN WASTES INTO SLUDGE POND Russian patent published in 2010 - IPC E02B7/06 E21C41/32 

FIELD: construction.

SUBSTANCE: invention is related to hydrotechnical construction and may be used in tier stocking of grain wastes into ash dumps, tail pits and sludge collectors. Method includes creation of reservoir of the first tier of sludge pond by erection of primary dam, inwash of wastes into reservoir of the first tier with arrangement of beach zone upstream primary dam, and a settling pond is developed at the distance, creation of reservoirs of upper tiers in sludge pond by erection of previous tier of raised dam each time on the beach from wastes developed in beach zone pit, and inwash of wastes into tier reservoir every time with arrangement of beach zone and preservation of settling pond. Development of wastes in pit is carried out by dragline excavator, which moves at a safe distance from pit on road made of filtering material under upstream prism of raised dam intended for erection, and lays wastes into body of this raised dam. On the rod dragline excavator lays wastes according to "after itself" pattern and with provision for outlet of water from wastes of raised dam body along filtering material of road into pit. After dehydration and compaction of laid wastes, raised dam is shaped accordingly.

EFFECT: reduction of costs and simplification of works.

4 cl, 3 dwg