Air supply purification device for purification area of laboratory

The utility model discloses an air supply purification device for a laboratory purification area, which belongs to the technical field of air purification and comprises a fixed box, a movable box is movably connected to an inner cavity of the fixed box, a box body is fixedly connected to the top of the movable box, and an air blower is fixed to the top of the fixed box. External air is guided into the box body through the air blower, then enters the movable box, is filtered by the filter cotton to remove large-particle impurities in the air, then enters the inner cavity of the cylindrical box through the first air inlet hole and the second air inlet hole, and is disinfected and sterilized through the ultraviolet germicidal lamp at the same time; the ultraviolet sterilization lamp is arranged in the cylinder box to guarantee that viruses in the air are killed, then through cooperation of the adjusting mechanism, the air can be conveniently moved to the lower portion from the upper portion of the cylinder box a