Device for plugging a taphole in a furnace

Details Device for plugging a taphole in a furnace Device for plugging a taphole in a furnace

1981-12-14

1983-08-23

Andrews, M. J.

Metallurgical apparatus

Means sealing or opening aperture in vessel

By means plugging aperture

266 45, C21C 546

Patent

active

043999867

ABSTRACT:
The subject invention or inventions involves providing a device which serves to substantially retard or prevent the flow of slag through a taphole of a furnace or other vessel containing molten steel, thereby improving the quality or grade of the metal. The device comprises a plug which is of such a character that when inserted in a taphole and the furnace is tilted the taphole will move to a position below the level of the layer of slag until the plug is disintegrated or destroyed by the metal to automatically allow substantially only the latter to enter and flow through the taphole or passage.

REFERENCES:
patent: 3540627 (1970-11-01), Armstead
patent: 4010936 (1977-03-01), Takashima
patent: 4030709 (1977-06-01), Shepard et al.

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