REFRACTORY BODY FOR FILLING OF INTERTUBULAR SPACE IN LARGE-BLOCK COOLED PANELS INSTALLED FOR PROTECTION OF BLAST-FURNACE JACKET Russian patent published in 1997 - IPC

FIELD: ferrous metallurgy, in particular, blast-furnace stack equipped with large-block panel or cooling plates with steel thick-walled tubes. SUBSTANCE: invention offers concrete composition for filling intertubular space. Distinguishing feature of the offered concrete is use of low-cost available components for its production. The offered concrete is based on the operation experience of blast furnaces with different compositions of concrete. EFFECT: higher efficiency. 1 tbl