Coke dry quenching equipment and sealing cover assembly thereof

The utility model discloses coke dry quenching equipment and a sealing cover assembly thereof. The sealing cover assembly comprises a cover body, a first rib plate, a second rib plate, a connecting plate and a fireproof filling layer, the number of the first rib plates is multiple, and the first rib plates are evenly distributed in the circumferential direction of the cover body. The second rib plates are at least arranged in a preset breadth range of the hood body towards the furnace mouth, and at least one second rib plate is arranged between every two adjacent first rib plates in the presetbreadth range; the connecting plate is fixedly connected with the two adjacent second rib plates, the connecting plate is located on the outer side of the cover body, and a gap is formed between theconnecting plate and the outer wall of the cover body; and the fireproof filling layer is filled in the gap. The deformation resistance of the cover body in a high-temperature environment is improved,so that the service life o