Circumferential tangential dynamic sealing device for hazardous waste treatment

The utility model discloses a circumferential tangential dynamic sealing device for hazardous waste treatment, which comprises a transition pipeline, a dynamic sealing cover coaxially sleeved outside the transition pipeline, and a tensioning mechanism erected outside the dynamic sealing cover, the transition pipeline comprises a kiln head cover, a cylinder body coaxially distributed with the kiln head cover, and a necking opening embedded between the kiln head cover and the cylinder body, the wear-resistant component is fixedly sleeved on the outer wall of the cylinder body, the necking opening is a reducing round pipe, and the large-section end of the necking opening is fixedly connected with the kiln head cover. According to the circumferential tangential dynamic sealing device for hazardous waste treatment, the graphite blocks are installed at the contact positions of the fish scales and the cold air sleeve, direct contact between the cold air sleeve and the fish scales is replaced, the service life of the