Vibrating screen capable of increasing feeding speed of fermentation liquor

The utility model relates to the technical field of vibrating screens, and discloses a vibrating screen capable of increasing fermentation liquor blanking speed, which comprises a vibrating screen box body, a vibrating cavity is arranged in the vibrating screen box body, a feed port is arranged at the top of the vibrating screen box body, a feed end of an elbow pipeline is connected onto the feed port, and a discharge end of the elbow pipeline is positioned in the vibrating cavity. A deslagging device is arranged on the outer side wall of the vibrating screen box body, a deslagging channel is formed in the deslagging device, and the component of the discharging direction of the elbow pipeline in the horizontal direction is opposite to the component of the deslagging direction of the deslagging channel in the deslagging device in the horizontal direction. According to the utility model, fermentation liquor is prevented from overflowing too much, and meanwhile, the fermentation liquor blanking time is not prolo