Process for melting cast iron borings

Details Process for melting cast iron borings Process for melting cast iron borings

1977-05-02

1979-07-24

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 43, 75 44S, C21C 552

Patent

active

041621565

ABSTRACT:
Process for melting cast iron borings comprising continuously charging dried borings into a coreless induction furnace operated within controlled metal levels to achieve adequate stirring of the molten metal in the furnace, drawing incoming borings beneath the meniscus of the molten metal surface, controlling the dissolved oxygen content of the molten metal to ensure formation of carbon oxide and thus achieve a "slag free" operation. The rate of feed of the borings is controlled according to the power input to maintain a predetermined constant temperature of the molten metal. Apparatus relating to the foregoing process is also disclosed.

REFERENCES:
patent: 3463864 (1969-08-01), Tama

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