Method of alloying and/or inoculating and/or deoxidizing cast ir

Details Method of alloying and/or inoculating and/or deoxidizing cast ir Method of alloying and/or inoculating and/or deoxidizing cast ir

1977-11-25

1979-12-25

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75130R, C21C 706

Patent

active

041803965

ABSTRACT:
A method of and apparatus for use in connection with alloying, inoculating, and deoxidizing cast iron melts produced in a cupola furnace. An additive, for instance electrode graphite, is continuously added in fine granular form to the surface of the molten iron by means of a dosing device and connecting pipe, the mouth of which is located above the surface of the melt. The additive is added to the molten iron in the furnace channel after the molten iron has left the cupola siphon. Turbulence is imparted to the molten iron in the furnace channel by means of turbulence-inducing element located therein. The additive is added at a rate of between 0.1 and 0.6 percent by weight.

REFERENCES:
patent: 3870512 (1975-03-01), Lee

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