Sleeve-type chimney provided with normal non-destructive monitoring device

The invention relates to the technical field of monitoring of flaw detection of sleeve-type chimneys, and particularly relates to a sleeve-type chimney provided with a normal non-destructive monitoring device. The sleeve-type chimney is characterized by comprising a track, a monitoring device, a drive device and a micro control system; the track is fixed on the outer side wall of an annular stiffening rib along the height direction of a steel inner tube; the monitoring device comprises a fixing frame and an ultrasonic probe; the ultrasonic probe is arranged at the rear part of the interior of the fixing frame; the drive comprises a motor and a linkage device; a working part of the linkage device is connected with the motor; the back side of the fixing frame in the monitoring device is connected with the track; the fixing frame is further connected with another working part of the linkage device; and the motor drives the linkage device to realize the movement of the fixing frame. Compared with the prior art, t