CPC F27B 3/045 (2013.01) [F27D 3/14 (2013.01); F27D 27/005 (2013.01)] | 17 Claims |
1. A molten metal pumping system having each of a circulation function and a transfer function, said system including a molten metal pump comprised of a base having a single outlet, said base being moveable horizontally while submerged in molten metal between a first position having the single outlet engaged with a circulation passage in a furnace assembly and a second position having the single outlet engaged with a transfer passage in the furnace assembly, said circulation passage and said transfer passage being formed in a refractory wall, the circulation and transfer passages being at the same vertical height above a bottom surface of the refractory wall, said wall separating a pump well housing said molten metal pump and another chamber of the furnace assembly.
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