Method and apparatus for shielding a stream of liquid metal

Details Method and apparatus for shielding a stream of liquid metal Method and apparatus for shielding a stream of liquid metal

1987-04-20

1988-02-09

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

266 44, 266207, C23B 900

Patent

active

047239972

ABSTRACT:
A method for shielding a stream of liquid steel in an ingot mold as well as an installation to use this method. The shielding is done by means of a truncated cone placed around the pouring hole and converging towards the stream of metal, an injection nozzle opening out tangentially near the wide base of the truncated cone and projecting carbon dioxide snow and/or gas obtained by discharging liquid carbon dioxide around the pouring stream.

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patent: 3230074 (1966-01-01), Roy et al.
patent: 3963224 (1976-06-01), Pollard
patent: 4089678 (1978-05-01), Hanawalt
patent: 4313596 (1982-02-01), King
patent: 4602949 (1986-07-01), Rellis
patent: 4614216 (1986-09-01), Savard et al.
patent: 4657587 (1985-11-01), Savard
patent: 4666511 (1987-05-01), Naud

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