Movable blower device applied to containment supporting box girder

The utility model discloses a movable blower device applied to a containment support box girder, which comprises a circular ring hanging beam body, a movable blower frame movably arranged on the inner side wall of the ring hanging beam body, a plurality of annular holes formed in the inner side surface of the ring hanging beam body, and a plurality of air blowing holes formed in the movable blower frame, the first horizontal support, the second horizontal support and the third horizontal support are sequentially arranged between the ladder stand frame and the annular hanging beam body from top to bottom, the third horizontal support is arranged at the lower end of the ladder stand frame, and a displacement driving assembly is arranged on the third horizontal support. An air blower is arranged on the second horizontal support, an air blowing nozzle of the air blower corresponds to the annular hole in the annular hanging beam body, and a guide wheel connector is horizontally and rotationally arranged at the end