Device for injecting preheated air into a shaft furnace

Details Device for injecting preheated air into a shaft furnace Device for injecting preheated air into a shaft furnace

F - Mech Eng,Light,Heat,Weapons

27

B

39/64

F27B 1/16 (2006.01) C21B 7/16 (2006.01) F16L 59/18 (2006.01) F27D 3/16 (2006.01)

Patent

CA 2037697

The device comprises an oblique portion connected by a gooseneck, a nozzle, a tuyere and a ball-and-socket joint to the wall of the furnace, in which the oblique portion comprises a tapered tube flange-mounted by its upper part onto an upper connection piece forming part of a bustle pipe and the lower part of which dips axially into a lower connection piece integral with the gooseneck, a bellows expansion joint and tension rods ensuring the mechanical connection between the tapered tube and the lower connection piece. The lower connection piece and the tapered tube can move mutually in the axial direction and have means for limiting their radial mobility.

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