Ventilation energy-saving structure of high-specification industrial factory building and construction method of ventilation energy-saving structure

The invention discloses a high-specification industrial factory building ventilation energy-saving structure and a construction method thereof, and belongs to the field of ventilation devices.The high-specification industrial factory building ventilation energy-saving structure comprises a rectangular shell, an air inlet pipe and an air outlet pipe, the rectangular shell is installed on a factory wall, and the air inlet pipe and the air outlet pipe are coaxially arranged; the air inlet pipe and the air outlet pipe penetrate through the rectangular shell and the factory wall to the interior of the rectangular shell correspondingly, a draught fan is installed at the tail end of the air outlet pipe, the opposite ends of the air inlet pipe and the air outlet pipe are each provided with a telescopic pipe sleeve in a sliding mode, and a filtering circular plate is arranged between the two telescopic pipe sleeves. An automatic replacement system is further arranged in the rectangular shell and can automatically repl