Method and apparatus for introducing uniform quantities of a mat

Details Method and apparatus for introducing uniform quantities of a mat Method and apparatus for introducing uniform quantities of a mat

1990-01-05

1991-10-15

Kastler, S.

Specialized metallurgical processes, compositions for use therei

Processes

Process control responsive to sensed condition

266216, 266 79, C21B 724

Patent

active

050571494

ABSTRACT:
A method and apparatus for introducing an additive material into a metallurgical sample. In a preferred embodiment, the method and apparatus of the present invention comprises introducing a stabilizer, for example, tellurium and/or bismuth, into a metallurgical sample of cast iron or blast furnace hot metal to induce white solidification comprising a probe having a generally enclosed sample cavity and a conduit extending from the cavity for receiving a flow of molten metal for collection in the cavity. A distribution member proximate the conduit is employed for inserting a predetermined quantity of the additive material at a predetermined rate into the molten metal flowing through the conduit so that the additive material is homogeneously distributed throughout the molten metal within the sample cavity.

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