The sieving drum contains a cylindrical drum with the surface of sifting located in the housing, a drive of rotation, a storage bunker, and loading and unloading branch pipes. Cylindrical drum consists of disks transversely mounted on the shaft, said disks are fastened by rods, and it is mounted with possibility of rotation around its own conditional longitudinal axis and with an inclination. In this case, each disk contains concentrically located open-end holes. The edge of each disk contains concentrically located cuts. The sifting surface of cylindrical drum is executed in the form of grid.