Structure for collecting exhaust gases from a converter

Details Structure for collecting exhaust gases from a converter Structure for collecting exhaust gases from a converter

1979-05-02

1980-12-16

Rutledge, L. Dewayne

Metallurgical apparatus

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

Hood

98115R, 266245, C21C 538

Patent

active

042391903

ABSTRACT:
A hood-like chamber over a converter vessel for refining pig iron, affords the collection of exhaust gases from the vessel and the direction of the gases into an exhaust gas line. The chamber is formed by a top wall containing an opening into the exhaust gas line, and side walls extend downwardly from the top wall. The lower ends of the side walls are located above the bottom of the vessel. A flange extends inwardly from the lower end of the side walls into contact with a collar extending radially outwardly from a support ring encircling the vessel. A seal can be provided between the flange and the collar to prevent the passage of air between them into the chamber. Alternatively, a gap can be left between the flange and the collar to admit a certain amount of secondary air into the chamber.

REFERENCES:
patent: 2855194 (1958-10-01), Konig
patent: 2954244 (1960-09-01), Austin
patent: 3177065 (1965-04-01), Okaniwa et al.
patent: 3796421 (1974-03-01), Knuppel et al.
patent: 3854932 (1974-12-01), Bishop, Jr.
patent: 4026698 (1977-05-01), Koump
patent: 4123043 (1978-10-01), Nomine et al.

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