Flour sifting device

Abstract

A flour sifting device (), having a flour sifting tank provided with a flour sifting trough with flour sifting holes at the bottom, and a rotating brush located inside the flour sifting tank having a rotating shaft (*) and devised to brush the flour sifting holes. The rotating brush hasa first plurality of discrete flexible brush elements (*) that are distributed on said rotating shaft (*) and extend therefrom in a radial direction with respect to said rotating shaft (*) such that collectively they form a screw conveyor with a circular outer contour. The brush elements (*) are arranged on a second plurality of separate identical brush modules (*), each brush module (*) including a number of said brush elements (*), preferably an equal number of said brush elements (*), and the brush modules (*) are individually and removably mounted or mountable on the rotating shaft (*).