| 摘要 |
Throat armour for the protection of an outer shielding of a blast furnace against wear above the charge, comprising plates (12, 12') made of nodular graphite cast iron fixed to the outer shielding. Each plate (12, 12') comprises several rows of material-retaining pockets (40, 40', 46, 46') and is provided with an internal cooling circuit arranged behind the rows of material-retaining pockets (40, 40', 46, 46'). |
