| 摘要 |
The present invention relates to a refractory brick for facility for pre-treating molten iron. The brick includes 84-89 wt% of alumina clinker, 5-8 wt% of silicon carbide, 4.5-6 wt% of flake graphite, 1-2 wt% of expanded graphite, and 0.5-1 wt% of pitch as main components. 1-2 wt% of borosilicate frit and 1-2 wt% of metallic silicon powder are added relative to 100 wt% of the main component. The refractory brick has low thermal conductivity and can maintain a stable structure against thermal shocks. |
