Pneumatic seals for hot metal furnace enclosure

Details Pneumatic seals for hot metal furnace enclosure Pneumatic seals for hot metal furnace enclosure

1979-05-10

1981-04-28

Lewis, Michael L.

Metallurgical apparatus

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

Hood

98115R, C21C 538, C21C 546

Patent

active

042640610

ABSTRACT:
Pneumatic seals are provided at the seams about movable doors of the containment enclosure for a metal processing converter to prevent leakage of undesirable effluent to the atmosphere. The seals incorporate members on the doors and the adjacent enclosure structure which, when the doors are closed, define labyrinth passages for conducting clean air from an elevated pressure source to discharge simultaneously into the enclosure interior and to the atmosphere. The invention contemplates, as an alternative, connection of the passages to a low pressure source effective to withdraw the effluent leakage for discharge into a receiver.

REFERENCES:
patent: 3623714 (1971-11-01), Firmin
patent: 3724827 (1973-04-01), Dortenzo
patent: 4054411 (1977-10-01), Beck
patent: 4097029 (1978-06-01), Ziegler
patent: 4111405 (1978-09-01), Krelis et al.
patent: 4168824 (1979-09-01), Nagati

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