Conveying structure for safely introducing tail gas of closed electric furnace into rotary drying kiln

The utility model discloses a conveying structure for safely introducing tail gas of a closed electric furnace into a rotary drying kiln, and relates to the technical field of electric furnace accessories. The air purification device comprises a conveying pipe and a purification pipe, the tail end of one side of the conveying pipe is sleeved with a limiting piece, the conveying pipe is fixedly connected with one end of the purification pipe through the limiting piece, the other end of the purification pipe is fixedly connected with an air guide pipe through the limiting piece, a purification disc is arranged in the purification pipe, and a corrugated pipe is installed at the other end of the conveying pipe in a riveted mode. And the conveying pipe is fixedly connected with the connecting pipe through the corrugated pipe. The conveying pipe and the purifying pipe are arranged, the purifying pipe is used for purifying tail gas entering the conveying pipe, particulate matter in the tail gas is prevented from inf