Smoke supply and exhaust pipeline structure of smoke control and exhaust system

The utility model discloses a smoke supply and exhaust pipeline structure of a smoke control and exhaust system, which comprises a smoke exhaust pipeline main body, a soft connecting frame is arranged at the position of the upper left side of the smoke exhaust pipeline main body, a joint is arranged at the position of the outer part of the upper side of the soft connecting frame, and bolt holes are arranged at the positions of the inner sides of four corners of the joint. A filtering inserting groove is formed in the middle of the interior of the left front side of the smoke exhaust pipeline body, a sweeping plate is arranged on the upper side of the interior of the filtering inserting groove, a connecting plate A is arranged on the upper side of the sweeping plate, and a filtering device is arranged on the inner side of the filtering inserting groove; and the filtering device comprises a grip A, a magnetic suction plate A, a door plate A, a filtering frame and a filtering net. According to the dust removal d