Apparatus and method for removing inclusions

Details Apparatus and method for removing inclusions Apparatus and method for removing inclusions

1984-12-28

1986-03-04

Rutledge, L. Dewayne

Metallurgical apparatus

Process

266230, C21B 304

Patent

active

045736642

ABSTRACT:
The present invention provides an apparatus useful for the removal of inclusions from a molten ferrous-based alloy in a continuous casting process. The apparatus includes a replaceable barrier to flow, that has numerous perforations. The individual perforations disturb molten alloy flow sufficiently to enhance inclusion agglomeration. As a result, molten alloy exiting from the perforations is agglomerated inclusions-enriched, compared to molten alloy entering the perforations. The agglomerated inclusions are enabled to float to the molten alloy surface prior to exiting from a tundish in which the replaceable barrier is used. Also provided by the present invention is an improved continuous casting process.

REFERENCES:
patent: 4330327 (1982-05-01), Pryor

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