EMERGENCY MOLTEN METAL PUMP OUT
First Claim
1. A molten metal pump comprised of a metal base defining a pumping chamber and a motor mount adapted to receive a motor, at least one metal post extending between said base and said motor mount, a metal shaft extending between said motor and an impeller located in said pumping chamber, at least one bearing ring engaging the impeller, the pumping chamber including an inlet and an outlet, and a metal riser tube in fluid communication with the outlet.
1 Assignment
0 Petitions
Accused Products
Abstract
A molten metal pump comprised of a metal base defining a pumping chamber is provided. The pump further includes a motor mount adapted to receive a motor, at least one metal post extending between the base and the motor mount, and a metal shaft disposed between the motor and an impeller disposed in the pumping chamber. A bearing ring engages the impeller. The pumping chamber will include an inlet and an outlet. A steel riser tube in fluid communication the outlet is also provided.
85 Citations
20 Claims
- 1. A molten metal pump comprised of a metal base defining a pumping chamber and a motor mount adapted to receive a motor, at least one metal post extending between said base and said motor mount, a metal shaft extending between said motor and an impeller located in said pumping chamber, at least one bearing ring engaging the impeller, the pumping chamber including an inlet and an outlet, and a metal riser tube in fluid communication with the outlet.
- 17. A method for emergency pump out of a molten metal from a vessel, said method comprises identifying a condition precedent which requires rapid removal of the molten metal from the vessel, and then introducing a pump including at least a metal base, a metal post and a metal riser tube into the molten metal, rotating a shaft and impeller combination with a motor, said impeller disposed within said base and configured to direct molten metal into said riser tube, and introducing metal from said riser tube into a second vessel.
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20. A molten metal pump comprised of a metal base having a plurality of mated plates, said base defining a pumping chamber, a motor mount adapted to receive a motor, at least one metal post extending between said base and said motor mount, a metal shaft extending between said motor and a refractory impeller located in said pumping chamber, a refractory bearing ring engaging the impeller, the pumping chamber including an inlet and an outlet, a metal riser tube in fluid communication with the outlet, a gasket material disposed between each pair of adjacent metal plates, a gasket material disposed between each bearing ring and a surface of the metal base adjacent to the bearing ring, and a metallic coupling joins said impeller to the metal shaft.
Specification