Ladle for the filtration of liquid metal over a filter medium wi

Details Ladle for the filtration of liquid metal over a filter medium wi Ladle for the filtration of liquid metal over a filter medium wi

1994-10-27

1995-12-19

Kastler, Scott

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By separating metal in a molten mass from undesired...

266242, 266275, C22B 902

Patent

active

054762499

ABSTRACT:
Ladle for the filtration of a liquid metal such as aluminum, magnesium, and their alloys over a filter medium of the gravel bed type. The ladle comprises a chamber in which the filter medium rests on a supporting grid, an inlet for supplying liquid metal to the chamber and an outlet for removing liquid metal from the chamber. The ladle includes first and second heaters for heating the liquid metal, the first heater being located outside the filter medium and the second heater being an electrical immersion heater which is located in the inlet or outlet and adjacent the filter medium. The second heater is arranged for immersion in liquid metal flowing through the inlet or the outlet.

REFERENCES:
patent: 3724447 (1973-04-01), Parkhill et al.
patent: 3917242 (1975-11-01), Bass et al.
patent: 4844425 (1989-07-01), Piras et al.

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