Paint spraying waste gas efficient pretreatment and purification device for environmental protection engineering

The utility model relates to the technical field of environmental protection engineering, and discloses an efficient paint spraying waste gas pretreatment and purification device for environmental protection engineering, which comprises a box body and a treatment device, the treatment device comprises an air inlet pipe, an air suction nozzle assembly, a connecting block, an air conveying pipe, a filter foam filter element, a protective cover, a first air pipe, an air suction pump, a second air pipe, a water tank, a fixed cover, an exhaust filter layer, a silver oxide sterilization layer, an activated carbon adsorption layer, an exhaust pipe and an air supply box. By arranging the fixing cover, the exhaust filtering layer, the silver oxide sterilization layer, the activated carbon adsorption layer, the exhaust pipe and the air supply box, air in the box body is absorbed by starting the air supply box, and the air is finally discharged out of the air supply box along the exhaust pipe under the three-layer filte