Fluidized-bed type carburizing furnace means for use as bright h

Details Fluidized-bed type carburizing furnace means for use as bright h Fluidized-bed type carburizing furnace means for use as bright h

1985-12-30

1988-07-05

Brody, Christopher W.

Metallurgical apparatus

With control means responsive to sensed condition

With analyzer or computation means

266 81, 266 90, 266252, C21D 900

Patent

active

047549521

ABSTRACT:
Fluidized-bed type carburizing furnace means of the class provided with a path for circulation of the furnace gas of a fluidized-bed type carburizing furnace is improved by incorporation therein of ejector means for spouting compressed gas into the circulation path. The circulation path comprises an outlet pipe emanating from the furnace gas outlet of the fluidized-bed type carburizing furnace, a cyclone connected through the medium of the outlet pipe to the fluidized-bed type carburizing furnace, and a discharge pipe emanating from the cyclone and joined to the furnace gas inlet of the fluidized-bed type carburizing furnace. The ejector means comprises a constriction formed in the discharge pipe and a feed pipe for compressed gas having the leading end thereof inserted into the constriction.

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Perry Chemical Engineer's Handbook, pp. 6-28 to 6-30, .COPYRGT. 1963, 4th edition.

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