Sublimer assembly

Details Sublimer assembly Sublimer assembly

1991-07-22

1993-04-27

Andrews, Melvyn J.

Metallurgical apparatus

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

By condensing and collecting a volatile constituent

75618, 75 1014, C22B 902

Patent

active

052059804

ABSTRACT:
A sublimer assembly vaporizes zirconium tetrachloride in a Kroll reduction process. A retort for vaporizing the feed has a sidewall extending from a bottom wall with a peripheral heater adjacent to the sidewall and an internal heater extending through the retort. Substantial contact between the feed and the surfaces of the internal heater and retort sidewall is maintained so that the vaporization rate tends to cycle and the time required to vaporize the feed may be substantially reduced.

REFERENCES:
patent: 2108118 (1938-02-01), Greenawalt
patent: 4941916 (1990-07-01), Boutin et al.

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