MILL SIFTER Russian patent published in 2002 - IPC

FIELD: sifting equipment. SUBSTANCE: sifter has oscillating sieve columns, each equipped with inlet device for supplying basic product and branch pipes for discharging milling fractions, unbalancing drive composed of unbalancing members, and drive engine. Sifter has frame with four sieve columns arranged in frame corner parts. Bearing units are positioned centrally of frame upper and lower bases for receiving drive shaft with unbalancing members at its both ends. Pan mounted on frame lower base has bypass channels for milled products and discharge branch pipes for different milling fractions. Frame with four sieve columns is hung on cables to bed. Sifter has reduced sizes, which do not affect its capability. EFFECT: simplified and compact construction, convenient operation and maintenance. 3 cl, 2 dwg