ArcelorMittal S.A.
Bubble pump resistant to attack by molten aluminum

Abstract:

A bubble pump is provided. The bubble pump has an interior formed from a material that is resistant to attack by molten aluminum. The interior surface may be formed from a ceramic. The ceramic may be selected from the following: alumina, magnesia, silicate, silicon carbide, or graphite, and the mixtures thereof. The ceramic may be a carbon-free, 85% Al.sub.2O.sub.3 phosphate bonded castable refractory.