Improved structure for air washing tower

The utility model relates to an improved structure for an air-washing tower inside which a plurality of sprinkler pipes is arranged. A plurality of spray heads are arranged on the bottom surfaces of the sprinkler pipes at intervals for downward sprinkling and washing, wherein, the sprinkler pipes are inserted into the air-washing tower from outside and are fixed from outside. When the spray heads are blocked, completely without entering the air-washing tower, people can draw the sprinkler pipes out of the air-washing tower from outside and directly pull out the blocked spray heads for washing, so that the human body is prevented from being hurt by toxin inside the air-washing tower.