Longevity Production Practice of Shougang Changgang No.8 Blast Furnace
The longevity of blast furnaces is a systematic engineering project,and relying solely on any single technology cannot achieve the goal of blast furnace longevity.It is necessary to comprehensively consider various aspects such as blast furnace design,masonry,maintenance,and operation.The second generation of Shougang Changgang No.8 blast furnace has achieved stable and smooth operation of the blast furnace,with a unit capacity iron production of 10 640 t/m3,by establishing comprehensive monitoring facilities,implementing a blast furnace longevity inspection and control mode,establishing a data-driven judgment mechanism,implementing furnace protection measures,controlling edge airflow,replacing cooling walls online,spraying furnace lining,and refining blast furnace operations,meeting the standard of longevity blast furnace.