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

C - Chemistry, Metallurgy

21

B

53/20

C21B 3/06 (2006.01) F27D 25/00 (2010.01)

Patent

CA 1145949

1. "Method of removal of slag deposits from the bottom of a furnace" ABSTRACT OF THE DISCLOSURE 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, I e.g. ferro-silicon, which lowers the melting point of the slag, and a substance which reacts exothermically to initiate meltlng of the slag. When the slag is sufficiently liquefied, it is removed by means of a mechanical grab.

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