Exhaust system especially for use in the cast house of a blast f

Details Exhaust system especially for use in the cast house of a blast f Exhaust system especially for use in the cast house of a blast f

1981-03-06

1983-04-12

Rutledge, L. Dewayne

Metallurgical apparatus

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

Hood

98115R, 266197, C21B 722, C21C 538

Patent

active

043795480

ABSTRACT:
In a cast house of a blast furnace, one or more movable exhaust hoods, connected to exhaust ducts, are provided for extraction of gas and dust. In order to provide such a hood which is easily moved manually by the operating personnel but which, with its duct, nevertheless does not unduly obstruct the working space, the hood is carried by a swivellable duct section which is connected to a fixed duct section at its swivelling axis and is supported, in cantilever fashion, by a bearing, e.g. a ball bearing, which is located outside the duct and extends circumferentially around the duct.

REFERENCES:
patent: 1038396 (1912-09-01), Langford
patent: 1080193 (1913-12-01), Bohan
patent: 2449592 (1947-04-01), Daddario
Nicola, A. G., "Blast Furnace Cast House Emission Control", Iron and Steel Engineer, Aug. 1979, pp. 33-39.

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