Converter dust-removal fire-blocking door capable of preventing safety accidents

The utility model relates to a converter dust-removal fire-blocking door capable of preventing safety accidents and used for improving the security of cast-house temperature-measuring/sampling operators during converter smelting and belongs to the technical field of the converter device. According to the technical scheme, a space passage is located between the lower part of the side wall of the door body located at both ends of the fire-blocking door and a crossbeam located at the upper part of the door body, both sides of the passage are opened, the height and width of the passage allow the passing of the operators and a driving device is mounted on a bracket located at the side wall of the fire-blocking door. According to the fire-blocking door disclosed by the utility model, since the driving device is mounted on the bracket located at the both side walls of the fire-blocking door, and the escape passage is formed between the lower part of the side wall of the door body located at both ends of the fire-blo