Mechanical sealing device for high-temperature corrugated tubes

The utility model discloses a mechanical sealing device for high-temperature corrugated tubes, which is characterized in that a metal internal gland is arranged on a shaft sleeve through a bolt, a metal external gland is arranged on the metal internal gland, a first high-temperature corrugated tube and a second high-temperature corrugated tube are arranged on the shaft sleeve, a cooling water inlet and a cooling water outlet are arranged on the metal external gland, a pumping effect ring for leading cooling water for cooling is arranged in the position of the second high-temperature corrugated tube, and an aluminum wedge sealing ring is arranged between the metal internal gland and the metal external gland. The mechanical sealing device provided by the utility model can be used for all high-temperature medium corrugated tubes, compared with the original flexible graphite sealing gasket corrugated tube type mechanical sealing, the sealing device provided by the utility model has the advantages that the use is stable, the service life is prolong greatly, the maintenance time of equipment is prolonged, and the production efficiency is improved.