Rapid cooling section sealing chamber for continuous annealing furnace and assembly process of rapid cooling section sealing chamber

The invention provides a rapid cooling section sealing chamber for a continuous annealing furnace and an assembly process thereof, and the sealing chamber is of a sealing chamber box body structure and comprises an outer frame structure, an internal cavity unit, a shaft end sealing cover unit, a side manhole cover unit and a gap sealing unit. The gap around the sealing roller is reduced to the maximum extent, high operability is achieved, the sealing effect of the rapid cooling section is better guaranteed, the hydrogen concentration of the rapid cooling section can reach 25%-35% in a high-hydrogen mode, and the situation that the hydrogen concentration of the front hearth and the rear hearth of the rapid cooling section exceeds the standard is avoided. And further, the production process requirements of continuous annealing and galvanizing unit annealing furnaces are better met. 本发明提供一种用于连续退火炉的快冷段密封室及其组装工艺，密封室呈密封室箱体结构，包括外框架结构、内部腔体单元、轴端密封盖单元、侧面人孔盖单元和间隙密封单元。本发明在最大程度的减小了密封辊周围间隙，并具有较高的可操作性，更好的保证了快冷段的密封效果，高氢模式下快冷