Waste gas treatment device for industrial production

The utility model discloses a waste gas treatment device for industrial production. The utility model relates to the technical field of waste gas treatment devices. The utility model discloses a wastegas treatment device for industrial production. Purification box, a U-shaped piece is fixedly connected to the interior of the purification box; a first sliding groove is formed in the front face ofthe U-shaped piece. A first air inlet groove is formed in the top of the inner wall of the first sliding groove; and a first through groove is formed in the bottom of the inner wall of the first sliding groove, a sliding plate is slidably connected into the first sliding groove, a set of second sliding grooves are formed in the front face of the sliding plate, a second air inlet groove is formed in the top of the inner wall of each second sliding groove, and a second through groove is formed in the bottom of the inner wall of each second sliding groove. By arranging the first sliding groove, the sliding plate, the conn