Dome for grid shaft and / or combustible shaft a hot blast stoves

摘要

The masonry (8), surrounded by a steel shell (7), of this dome (1) consists of an upper hemispherical part (2) and a cylindrical part (3) which adjoins the latter at the bottom and rests on a collar (4) attached to the steel shell (5) of the associated chamber (6). On construction of the masonry (8), an expansion gap (9), which closes during the heating-up, remains between the outermost stone course (8c) and the steel sheel (7). Provision is made to arrange vertical mortar-free joints (10) without interspace in the masonry (8). IMAGE