Automatic flushing device for sewage membrane treatment

The utility model relates to the technical field of sewage treatment, in particular to an automatic flushing device for sewage membrane treatment. According to the technical scheme, the device comprises a conveying frame and a U-shaped cover, the conveying frame is fixed to a support, a row of conveying rollers are evenly installed at the upper end of the conveying frame, rotating shafts on the same sides of all the conveying rollers penetrate through the conveying frame to be provided with belt wheels, all the belt wheels are connected through a first transmission belt, and a driven wheel is installed on the rotating shaft of the rightmost conveying roller and located on the outer side of the belt wheel; the U-shaped cover is installed in the middle of the conveying frame, water spraying pipes are installed in the U-shaped cover and the conveying frame and located below the conveying rollers, a row of nozzles are evenly installed on each water spraying pipe, the water spraying direction of the nozzles of the