Fine tailing separating device of large-granularity washbox

The utility model discloses a fine tailing separating device of a large-granularity washbox. The fine tailing separating device comprises a fine tailing separating weir plate and a plastic separating plate, wherein the fine tailing separating weir plate is of an angle steel structure and comprises a horizontal plate and a vertical plate; the plastic separating plate is connected to the fine tailing separating weir plate; the plastic separating plate forms an acute angle theta with the vertical plate of the fine tailing separating weir plate. The fine tailing separating device of the large-granularity washbox has the advantages that the structure is simple, the use is convenient, metal loss caused by the wear of the separating weir plate is effectively reduced or eliminated, the timely and smooth discharge of fine tailing is ensured by arranging the plastic separating plate, the handling capacity of the large-granularity washbox is increased manifold, and economic benefits are improved.