Fan flow guide cover

The utility model discloses a fan fairing which comprises a fan body and a fairing body, the side wall of the fan body is fixedly connected with a plurality of mounting racks, the mounting racks are n-shaped, threaded holes are formed in the tops of the mounting racks, bolts are in threaded connection with the interiors of the threaded holes, an opening in one end of the fairing body is horn-shaped, and the outer wall of the other end of the fairing body is fixedly connected with a plurality of mounting blocks. The mounting block is L-shaped, a plurality of mounting holes matched with the bolts are formed in the surface of the mounting block, a dustproof part is arranged in the cover body, a plurality of sound absorption grooves are fixedly connected to the surface of the inner wall of the cover body, and sound absorption cotton is mounted in each sound absorption groove. When installed on the fan to be used, the dustproof effect can be achieved, the situation that a large amount of dust adheres to the inner