Metallurgical apparatus – With means treating or handling gases exhausted by treating... – Hood
Patent
1977-11-23
1979-09-25
Dost, Gerald A.
Metallurgical apparatus
With means treating or handling gases exhausted by treating...
Hood
75 60, C21C 538
Patent
active
041688244
ABSTRACT:
An open-topped vessel for converting molten ferrous metal to steel is pivotal about a horizontal axis and has bottom tuyeres for blowing oxygen or other gases upwardly through molten metal. An enclosure at least partially surrounds the vessel and cooperates with a smoke hood to prevent the escape of pollutants when the vessel is in its vertical position. A pair of access doors are provided for closing an opening provided in the enclosure laterally of the vessel tilt axis and are mounted for movement in opposite directions. An auxiliary smoke hood is mounted in the enclosure above the opening for capturing pollutants when the vessel is tilted toward said opening for being charged. The inner surface of the doors are formed of a plurality of tubular members which extend generally vertically and are connected to inlet and outlet headers at their opposite ends. The doors may be provided with a removable section in the region most directly impacted by materials discharging from the vessel when the vessel is tilted. The edges of the doors are provided with a sealing structure and one or both of the doors may be provided with a small operature for sampling.
REFERENCES:
patent: 2855194 (1958-10-01), Konig
patent: 3168073 (1965-02-01), Durham et al.
patent: 3215425 (1965-11-01), Vogt
patent: 3367644 (1968-02-01), Ban
patent: 3972708 (1976-08-01), Baum
patent: 4049246 (1977-09-01), Ziegler
Dost Gerald A.
Pennsylvania Engineering Corporation
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