Dry quenching primary deduster water cooling pipe sealing device

The utility model provides a dry quenching primary deduster water cooling pipe sealing device which comprises an inner jacket and an outer jacket, wherein the inner jacket and the outer jacket are in lap joint with each other to form an outer wall of a water cooling pipe; a sealing ring is mounted between the inner jacket and the outer jacket; a baffle ring is arranged at the bottom of the sealing ring; the baffle ring is connected with the inner jacket or outer jacket; a pressure ring is arranged at the top of the sealing ring; the top circumference of the pressure ring is connected with an annular pressure plate; and the circumference of the annular pressure plate is connected with the outer jacket through a bolt. The device provided by the utility model can always keep good tightness of the sealing ring at the lap joint of the outer wall of the water cooling pipe, and can be used for avoiding the phenomenon of water leakage of the water cooling pipe caused by loose sealing of the sealing ring at the lap jo