During the smelting of an iron ore containing high fluoride content in a small blast furnace, the hearth refractories were severely corroded.
在某地高氟含量铁矿石的冶炼过程中，炉缸粘土质高炉砖砖视遭到了极其严重的破坏作用。
2
Experiments were carried out with a view to ascertaining the most suitabledeoxidation process for basic open-hearthsmelting of rail-steel in Anshan works.