Metallurgical furnace having a blast injection nozzle

Details Metallurgical furnace having a blast injection nozzle Metallurgical furnace having a blast injection nozzle

1975-03-20

1976-07-27

Dost, Gerald A.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By means introducing treating material

266265, C21C 548

Patent

active

039715485

ABSTRACT:
A metallurgical furnace has a wall contacted by molten metal and having a nozzle opening below the level of the metal, a nozzle positioned in this opening forms a passage for injecting a blast into the metal, and this nozzle has means for liquid-cooling the outer end of its blast passage to freeze the molten metal when flowing backwardly through the nozzle's passage in the event of a blast failure. In such an event, the frozen or solidified metal forms a stopper for the nozzle's passage.

REFERENCES:
patent: 2333654 (1943-11-01), Lellep
patent: 3330645 (1967-07-01), De Moustier et al.
patent: 3794308 (1974-02-01), Ponghis et al.
patent: 3873074 (1975-03-01), Chang

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