1975-09-24
1977-06-28
Envall, Jr., R. N.
F27D 112
Patent
active
040327051
ABSTRACT:
A consumable electrode furnace crucible is disclosed which utilizes a coaxially disposed crucible body, intermediate water guide, and outer crucible jacket disposed upon a base. The bottom portion of the water guide is electrically interconnected to the bottom portion of the crucible body and is otherwise electrically insulated from the crucible jacket and crucible body to provide a coaxial return current path providing substantial magnetic field cancellation. The inner surface of the intermediate water guide is spaced close to the outer surface of the crucible body to define a narrow passage which forces the cooling water to pass across the surface of the crucible body at an ultrahigh velocity to sweep away steam.
Envall, Jr. R. N.
Wooding Corporation
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