MILL SIFTER WITH MULTIFRACTION SEPARATION OF MILLED PRODUCTS Russian patent published in 2000 - IPC

FIELD: production of high-grade flour from milled products. SUBSTANCE: mill sifter has vibrating multisectional sieve body with devices for intake of milled products and fractions, sieve frames with cleaner, outlet ports for undersize fractions and bottom. Each sieve frame is made in form of metal cylinder secured to middle of external rectilinear part of sieve frame. Side walls of metal cylinder have inlet-out; let ports, and round sieve is installed in upper part of cylinder. Formed in rectangular external part of sieve frame are vertical channels for intake and passage of fractions. Sieve frames are installed on one another and rigidly secured by pressing member to form column whose bottom has channels for collection and transportation of milled fractions. EFFECT: higher efficiency of grading of milled products and intensity of sieve cleaning due to increased number of channels for formation and separation of fraction and provided free access to space under sieves. 3 dwg