Nuclear power station heat exchanger pipeline inner wall cleaning device

The utility model discloses a nuclear power station heat exchanger pipeline inner wall cleaning device which comprises a waterproof motor, a rotating shaft, a fixing sleeve, bristles, a cooling sleeve, a nozzle, a hose and a holding rod, the waterproof motor is installed at the end of the holding rod, the waterproof motor is connected with the rotating shaft, the rotating shaft and the holding rod are parallel or located on the same axis, and the fixing sleeve is arranged on the fixing sleeve. A fixing sleeve is fixed to the rotating shaft, bristles are fixed to the outer wall of the fixing sleeve and make contact with the inner wall of the heat exchanger pipeline, the waterproof motor is sleeved with a cooling sleeve, the inner side wall of the cooling sleeve is tightly attached to the outer wall of the waterproof motor, and a cavity is formed in the sleeve wall of the cooling sleeve. A cavity is formed in the cooling sleeve, a plurality of nozzles communicated with the cavity are installed on the cooling sl