UV photolysis waste gas purification device

The utility model relates to a UV photolysis waste gas purification device which comprises a cylinder body, the cylinder body is cylindrical, a first UV lamp tube is arranged in the cylinder body, the first UV lamp tube and the cylinder body are coaxially arranged, a glass tube is sleeved on the periphery of the first UV lamp tube, the inner diameter of the glass tube is equal to the outer diameter of the first UV lamp tube, a rotating ring is arranged on the inner wall of the cylinder body, and the rotating ring is sleeved on the inner wall of the cylinder body. The rotating ring and the cylinder body are coaxially arranged, the periphery of the rotating ring is connected with the inner wall of the cylinder body in a sliding mode, a plurality of second UV lamp tubes are arranged on the inner wall of the rotating ring, the second UV lamp tubes are evenly arranged around the first UV lamp tube in the circumferential direction, and quartz is further arranged between the glass tube and the rotating ring. The fir