Novel steel ladle long nozzle purging device

The utility model discloses a novel steel ladle long nozzle purging device which comprises a jet head and a breather pipe connected with the top of the jet head. The jet head comprises a top plate and a shell between which a gas collecting cavity is formed; a plurality of air outlet holes are formed in the bottom surface of the shell, a blocking plate is arranged on the outer side of each air outlet hole, and one end of each blocking plate is hinged to the shell through a hinge and a torsion spring; a plugging assembly is arranged below the top plate and comprises a plugging piece and push rods corresponding to the air outlet holes in number, the plugging piece is in a tubular shape with the bottom plugged, the plugging piece is connected to the top plate through a reset assembly, the push rods are connected to the bottom of the plugging piece, the top of the plugging piece is inserted into an annular groove formed in the top plate, and a supporting assembly is arranged below the plugging piece. According to