SAND GRIZZLY INSTALLATION Russian patent published in 1994 - IPC

FIELD: mining industry. SUBSTANCE: the installation has a grizzly installed on a foundation; the grizzly is a drive chain conveyer. The grizzly bars are hinged to the chains and can freely rest with their free ends against the adjacent grizzly bars. The grizzly bars have stops in the form of projections arranged at the points of attachment of the grizzly bars to the chains. The grizzlies have counterweights made as levers with stops hinge-joined to the chains for contact engagement of their stops with the stops of the grizzly bars. The grizzly has additional inclined boards installed between the load-carrying and no-load runs of the grizzle. At the unloading end of the conveyer provision is made for stops-tippers for contact engagement with the counterweights. The installation has a sprinkling system with a collector. EFFECT: facilitated procedure. 2 cl, 4 dwg