Duplex filter for milk processing

The utility model discloses a duplex filter for milk processing. The filtering device comprises two single filtering barrels provided with cover bodies, a filter cartridge is arranged in the filter barrel; a cavity defined by the filter cartridge is an inner cavity; a cavity defined by the filter cartridge and the inner side wall of the filter barrel is an outer cavity; a gear box is arranged above the cover body; motor is arranged on the top of the gear box, a rotating shaft of the motor sequentially penetrates through the gear box and the cover body; a driving gear and a stirring paddle arerespectively arranged at the gear box and the inner cavity of the rotating shaft; an annular brush plate fixed to the spiral lead screw is arranged in the outer cavity, a water storage cavity is formed in the brush plate in a hollow mode, bristles and water spraying openings are formed in the inner side and the outer side of the brush plate at intervals, the upper end of the spiral lead screw penetrates through the cover