Fireproof air pipe

The utility model relates to the technical field of pipeline equipment, and discloses a fireproof air pipe which comprises a pipe body defined by a plurality of plate pieces, each plate piece comprises at least two sub-plate bodies which are fixedly connected end to end in sequence, a connecting seam is formed at the connecting position of the two connected sub-plate bodies in each plate piece, and the connecting seam is connected with the sub-plate bodies. The plurality of adjacent connecting seams on different plates are not in the same plane; the fireproof air pipe provided by the utility model has good anti-seismic performance. 本实用新型涉及管道设备技术领域，公开了一种防火风管，包括通过多个板件围成的管体，且每个板件均包括至少两个依次首尾固定连接的子板体，各所述板件中相连的两个所述子板体连接处形成连接缝，不同所述板件上的相近的多个所述连接缝不在同一平面内；本实用新型提供的防火风管具有良好的抗震性能。