Anti-deformation lampblack purification reaction box

The utility model discloses an anti-deformation lampblack purification reaction box which comprises a chassis, a purification box is fixedly mounted at the top of the chassis, a main plate is mounted at the top of the purification box through a first positioning mechanism, a second positioning mechanism is arranged at the top of the chassis, and a fastening groove is formed in one side of the purification box. A U-shaped plate is fixedly mounted on one side of the main plate, and a fastening plate is mounted on the surface of the U-shaped plate through a moving mechanism. A threaded rod is rotated to drive a moving plate to move, the moving plate drives a fastening plate to move, the surface of the fastening plate is attached to the inner wall of a fastening groove, mounting and setting of a main plate are completed, the position is further stabilized through two sets of positioning mechanisms, the main plate is more stable through cooperation of the fastening plate and the fastening groove, and the service l