Method of removal of slag deposits from the bottom of a furnace

Details Method of removal of slag deposits from the bottom of a furnace Method of removal of slag deposits from the bottom of a furnace

1980-12-16

1982-09-21

Andrews, M. J.

Metallurgical apparatus

Process

75 24, 75 27, 134 5, 264 30, 266135, B08B 704

Patent

active

043503241

ABSTRACT:
Slag deposited on the bottom of a steel making furnace, especially a soaking pit for steel ingots, is difficult to remove. To enable this to be done while the furnace is hot, it is now proposed to supply a substance, e.g. ferro-silicon, which lowers the melting point of the slag, and a substance which reacts exothermically to initiate melting of the slag. When the slag is sufficiently liquefied, it is removed by means of a mechanical grab.

REFERENCES:
patent: 3102055 (1963-08-01), Fajgen et al.
patent: 3222222 (1965-12-01), Nakahara
patent: 3370654 (1968-02-01), Skendrovic

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