Flue gas guiding device of air preheater

The utility model discloses a flue gas guiding device of an air preheater, and relates to the technical field of flue gas guiding devices, the flue gas guiding device comprises a shell, a flue gas guiding pipe main body is arranged in the shell, a cleaning mechanism is arranged in the flue gas guiding pipe main body, and the cleaning mechanism comprises a gear ring, a cleaning ring, an annular collecting groove and two supporting rods. Through the cooperative arrangement of the flue gas guide pipe main body, the cleaning mechanism, the positive and negative rotation motor and the bevel gear II, when the inner wall of the flue gas guide pipe main body needs to be cleaned after the flue gas guide pipe main body is used for a long time, a worker can conveniently and quickly clean particles adhered to the inner wall of the flue gas guide pipe main body; and therefore, the situation that a worker needs to detach the flue gas guide pipe to clean the flue gas guide pipe due to the absence of a cleaning function in t