Circulating ventilation device for archival repository

The utility model belongs to the technical field of archival repositories, and particularly relates to an archival repository circulating ventilation device which comprises a ventilation device body. An outdoor air outlet pipe is installed on one side of the back face of the air interchanger body, an indoor air outlet pipe is installed on the other side of the back face of the air interchanger body, an outdoor air inlet pipe is installed on the front face of the air interchanger body, an indoor air inlet pipe is installed on one side wall of the air interchanger body, and a cleaning assembly is arranged on the front face of the outdoor air inlet pipe. A filtering assembly is arranged on one side of the indoor air inlet pipe; through the structural design of the cleaning assembly, the function of cleaning the filter plate more conveniently while air entering a room is filtered is achieved, the problem that a large amount of dust exists on the surface after the filtering time of the filter plate is too long is