SUPPORT ASSEMBLY FOR SUPPORTING HEAT REGENERATION CHECKER WORK IN A HOT BLAST STOVE, HOT BLAST STOVE PROVIDED WITH SAID SUPPORT ASSEMBLY, METHOD OF PRODUCING HOT AIR USING SAID HOT BLAST STOVE

摘要

Support assembly for supporting heat regeneration checker work in a hot blast stove for a blast furnace, the assembly comprising a supporting grid for supporting the checker work, and supporting columns for supporting the supporting grid, the assembly comprising a cast iron material, the cast iron material comprising a ferritic matrix and a dispersion of graphite particles wherein the shape of the graphite particles is substantially vermicular or nodular.