Method for quickly repairing break-outs in continuous casting pl

Details Method for quickly repairing break-outs in continuous casting pl Method for quickly repairing break-outs in continuous casting pl

1980-09-18

1982-01-19

Baldwin, Robert D.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164473, B22D 1110, B22D 1116

Patent

active

043111866

ABSTRACT:
In a continuous casting plant, the ingot leaves the mold in a downward direction with only a thin skin of solidified metal, the metal within the solidified skin remaining molten until it progressively solidifies. While the skin is still thin, "break-out" can occur, that is, a rupture of the skin with subsequent outflow of the molten metal. When this happens, according to the present invention, the flow of liquid metal into the mold is interrupted and cooling powders are added to the mold, having a particle size of 0.1-5 mm, at a rate of 5 to 100 kg/min. After 0.1 to 5 minutes, the flow of liquid metal to the mold can be resumed.

REFERENCES:
patent: 3786856 (1974-01-01), Nishikawa
patent: 3789911 (1974-02-01), Bachner
patent: 3834445 (1974-09-01), Raschke
patent: 3891023 (1975-06-01), Szekeres
patent: 4250945 (1981-02-01), Koshikawa et al.
patent: 4269257 (1981-05-01), Ohzu et al.

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