Exhaust system especially for use in the cast house of a...

F - Mech Eng,Light,Heat,Weapons – 27 – B

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F27B 1/24 (2006.01) C21B 7/00 (2006.01)

Patent

CA 1147955

"An exhaust system especially for use in the cast house of a blast furnace" ABSTRACT OF THE DISCLOSURE 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.

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