Metallurgical apparatus – Process – Plugging or tapping
Patent
1992-02-28
1993-07-20
Andrews, Melvyn J.
Metallurgical apparatus
Process
Plugging or tapping
65 19, 65141, 75387, 266 83, C22B 704
Patent
active
052290638
ABSTRACT:
The present invention provides a new process and a new apparatus for the treatment of steel-mill slag in a vessel which allows a wet granulation of the slag without the risk of explosions. The slag is caused to flow through a taphole at the bottom of the vessel, and the flow rate of the slag is determined by means of a continuous check of the weight of the vessel. One or more jets of granulating water, the flow rate of which is adjusted as a function of the slag flow rate, are directed onto the stream of slag flowing from the vessel. The apparatus comprises a vessel containing molten slag. This vessel is equipped with weighing means, with a taphole, with a device for shutting off the taphole, with means for maneuvering the shut-off device between an operating position and a stored or parked position away from the taphole and with a device for opening or freeing the taphole, engageable through the latter in order to initiate the flow of slag.
REFERENCES:
patent: 3469961 (1969-09-01), Barnhart et al.
patent: 3765860 (1973-10-01), Forschepiepe
patent: 4494971 (1985-01-01), Monteyne et al.
Feitler Albert
Solvi Marc
Stomp Hubert
Andrews Melvyn J.
Paul Wurth S.A.
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