Heat preservation cotton hoop seat structure of steel sleeve chimney

The utility model relates to the field of chimney inner cylinder heat preservation cotton fixing, in particular to a heat preservation cotton hoop seat structure of a steel sleeve chimney, which comprises a chimney inner cylinder, heat preservation cotton is arranged on the outer side of the chimney inner cylinder, and a heat preservation cotton hoop seat is welded on the outer side of the chimney inner cylinder. The heat preservation cotton hoop seat comprises a plurality of inner supporting plates and outer supporting plates, one end of each inner supporting plate is perpendicularly welded to the outer wall of the chimney inner cylinder, the other end of each inner supporting plate is perpendicularly welded to the corresponding outer supporting plate in a butt joint mode, and the two ends of each outer supporting plate are each provided with a steel belt through a connecting stud. Compared with a traditional mode, materials can be saved, installation is easy, the node structure advantages can be exerted, th