Gas cleaning system for metallurgical apparatus

Details Gas cleaning system for metallurgical apparatus Gas cleaning system for metallurgical apparatus

1977-09-06

1978-10-31

Dost, Gerald A.

Metallurgical apparatus

With means treating or handling gases exhausted by treating...

Hood

C21C 540

Patent

active

041230434

ABSTRACT:
A pair of metallurgical vessels are each coupled by a gas collecting hood having a movable skirt to a gas cleaning system which includes an exhaust fan and a quencher and scrubber each having flow varying means. Each vessel is surrounded by an enclosure having an access door toward which the open upper end of the vessel may be tilted for receiving a metal charge. A secondary gas collecting hood is disposed in each enclosure above the access door for creating an indraft when the door is open. A valve system permits the selective connection of the secondary hood of one enclosure to the fan of the other to increase the indraft during furnace charging, sampling and pouring.

REFERENCES:
patent: 3603572 (1971-09-01), Rosentern
patent: 3908969 (1975-09-01), Baum et al.

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