Waste gas treatment device

The utility model discloses a waste gas treatment device, which relates to the technical field of waste gas treatment devices and comprises a bottom plate, a filter box is fixedly mounted on one side of the top of the bottom plate, an inner cavity is formed in the filter box, a water injection box is fixedly mounted at one end of the top of the filter box, and water outlets are formed in the bottom end in the water injection box at equal intervals. Nozzles are installed at the bottom of the water injection box at equal intervals, and a partition plate is fixedly installed at one end in the water injection box. Through the arrangement of the water injection box, the water outlet and the spray head, when waste gas enters the inner wall of the filter box, oil removal liquid medicine prepared in the water injection box can flow downwards through the water outlet and is sprayed out of the inner cavity through the spray head, oil-containing waste gas in the inner cavity is sprayed and filtered, and the oil-containi