Wet material blast drying box

The utility model discloses a wet material blast drying box which comprises a box body, an air outlet is formed in the top of the box body, horizontal sliding grooves are formed in the two sides of the inner wall of the box body, a partition plate is connected between the sliding grooves in a sliding mode, and air holes are formed in the positions, away from the side face of the inner wall of the box body, of the partition plate. An arc-shaped backflow guide plate bent towards the inner cavity of the box body is arranged on the inner wall of the side, close to the inner side wall of the box body, of the air hole, a vertical drainage plate is arranged on the inner side of the backflow guide plate, and a plurality of partition plates are arranged in the vertical direction. Through the arrangement of the partition plate, the backflow guide plate, the drainage plate, the splitter plate and the buffer rubber strip, the backflow guide plate and the drainage plate achieve drainage of the wind blown out by the air he