Process for the treatment of molten metal

Details Process for the treatment of molten metal Process for the treatment of molten metal

1981-10-19

1985-04-16

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 53, 75 58, 75129, C22C 3308

Patent

active

045114013

ABSTRACT:
A treatment unit is disclosed for the introduction of a reactive additive into molten metal and particularly for the introduction of a nodularizing agent into cast iron. The treatment unit is adapted to be located in, on or above a pouring ladle 14 and comprises a pouring bush 1 opening directly or indirectly into a covered additive container 2 which is provided in its base and/or peripheral walls with a plurality of holes to allow the passage therethrough of molten metal. Means are provided, for example a ladle cover 8 or a funnel 21 to accommodate the additive container, for restricting contact of the molten metal being treated with the atmosphere. A process is also disclosed for introducing a reactive additive such as a nodularizing agent into molten metal such as cast iron using the treatment unit.

REFERENCES:
patent: 3396777 (1968-08-01), Reding
patent: 3833361 (1974-09-01), Kusaka
patent: 3881937 (1975-05-01), Teufel
patent: 3955974 (1976-05-01), Alt

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