Air purification device for ships and warships

The invention provides an air purification device for ships, and relates to an air purification device, the air purification device comprises a purification mounting shell and a set of baffles located in the purification mounting shell, the baffles are used for dividing the space in the purification mounting shell into a left cavity and a right cavity, and at least two pairs of sliding connection plate sets are slidably installed on the baffles side by side in the airflow direction; each pair of sliding connection plate sets slides into the left cavity or the right cavity and is used for blocking air flow from passing through, and air flow direction changing channel openings are formed in blocking plates between every two adjacent pairs of sliding connection plate sets and between the sliding connection plate set on the outermost edge and the air inlet and the air outlet. The left cavity and the right cavity between the two sets of sliding connection unit plates of each pair of sliding connection plate sets a