Air purification device for archival repository

The invention discloses an archival repository air purification device which comprises a purification body. The air draft main pipe is positioned at the bottom of the purification main body; the air inlet main pipe is positioned at the top end of the purification main body; the connecting mechanism is in threaded connection with the bottom ends of the air draft main pipe and the air inlet main pipe, and the air draft main pipe is connected with the top end of the left side of the connecting mechanism. The air purification device for the archival repository can be flexibly adjusted according to the sizes of the storage racks in the archival repository, and the air purification work of the air purification device is that data at different positions on each storage rack are independently purified, so that the whole device is convenient to use, and the service life of the archival repository is prolonged. The device can be well suitable for a database where a large amount of data is stored, the whole device can d