Boiler enclosure wall sealing structure

The utility model relates to a boiler enclosure wall sealing structure which comprises a boiler enclosure wall body, a sealing box and a boiler reheater outlet pipe section structure, the sealing box is used for being fixedly connected to the outer wall face of the boiler enclosure wall body, and the sealing box is provided with a containing cavity and a mounting channel penetrating through the sealing box and communicating with the containing cavity; the boiler reheater outlet pipe section structure comprises a flue inner pipe section, a flue outer pipe section and a transition pipe section, the flue inner pipe section communicates with the flue outer pipe section through the transition pipe section, and the transition pipe section is arranged in the mounting channel in a penetrating mode and arranged around the circumferential inner wall of the mounting channel in an attached mode. The joint of the transition pipe section and the flue inner pipe section is located in the containing cavity, and the containin