COARSE GRAVEL SORTING DEVICE

摘要

A device of separating coarse gravel from recycled aggregates is provided to prevent strength of a concrete product from being lowered and to contribute to recycle of the waste concrete by separating only normal coarse gravel from the recycled aggregates sorted by crashing waste concrete rubbles. The device includes: a compression room installed between a hopper(30) and a sorter(70), and receiving waste concrete rubbles inputted through the hopper; a discharge room(20) positioned under the compression room and having a discharge hole(21); a lower compression instrument(40) installed to be vertically lifted between the compression room and discharge room, and comprising a bottom plate(41) and a driving cylinder(42); and an upper compression instrument(50) installed to be vertically lifted above the compression room, and comprising a compression plate(51) and a driving cylinder(52); and a discharge instrument(60) installed on the side of the discharge room, and comprising a sliding plate(61) and a driving cylinder(62).