Method and apparatus for improving the efficiency of the deoxida

Details Method and apparatus for improving the efficiency of the deoxida Method and apparatus for improving the efficiency of the deoxida

1978-08-28

1980-12-16

Rosenberg, P. D.

Metallurgical apparatus

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

By means introducing treating material

C21C 700

Patent

active

042391920

ABSTRACT:
The present invention concerns a process and apparatus for improving the efficiency of the deoxidation, desulfurization and purification of molten steel in the pouring or casting ladle by the injection of a band of metal and/or a selected quantity of a granular or powdery addition product into a bath of molten steel in a ladle, wherein a band drive assembly is disposed above, in proximity to, the surface of the molten bath and is operative to propel vertically a band of metal in rectilinear form, perpendicularly to the surface of the molten bath, deep into the bath so that the metal band approaches as closely as possible the bottom of the ladle to improve the distribution of the metal and the addition product throughout the molten bath.

REFERENCES:
patent: 3729309 (1973-04-01), Kawawa
patent: 4010938 (1977-03-01), Crudup
patent: 4066248 (1978-01-01), Hoffmeister

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