Retort assembly for kroll reductions

Details Retort assembly for kroll reductions Retort assembly for kroll reductions

1990-09-13

1991-07-30

Andrews, Melvyn J.

Metallurgical apparatus

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

By condensing and collecting a volatile constituent

266149, 266905, F27B 505

Patent

active

050354043

ABSTRACT:
A retort assembly comprises a retort defining a first chamber for containing zirconium tetrachloride. A crucible having a generally vertical sidewall defines a second chamber for containing magnesium and the reaction products. A vapor passageway extends from an inlet in the first chamber to an outlet in the second chamber. A diffusion means is disposed in the second chamber adjacent the outlet of the vapor passageway for diffusing vapor toward the sidewall of the crucible. The diffusion of vapors toward the sidewall of the crucible creates turbulence in the area of the crucible sidewall and a liquid circulation pattern which is downward along the crucible sidewall. Sponge discs produced under these conditions develop inwardly of the sidewall of the crucible, have less iron and are more compact than are sponge discs produced in prior art assemblies. Also, the skull losses are lower.

REFERENCES:
patent: 3715205 (1973-02-01), Ishizuka

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