Stirring paddle for steam generator with position-variable stirring blades

The utility model relates to a stirring paddle for a steam generator with variable positions of stirring blades. The device comprises a steel wire rope, buoyancy balls and a hollow stirring pipe, a pulley is arranged in one end of the stirring pipe; a stirring blade is inserted into the other end of the stirring pipe; each stirring blade comprises a blade and a sliding piece inserted into the stirring pipe; one end of the steel wire rope bypasses the pulley and penetrates into the stirring pipe to be connected with the sliding piece, and the other end of the steel wire rope is connected with the buoyancy ball; the buoyancy ball is located outside the stirring pipe, a pressure spring is installed between the sliding piece and the stirring pipe, one end of the pressure spring is fixedly connected with the stirring pipe, and the other end of the pressure spring is fixedly connected with the sliding piece and used for providing elastic force enabling the stirring blades to extend outwards.According to the stirrin