Distillation and sublimation apparatus comprising a condenser

Details Distillation and sublimation apparatus comprising a condenser Distillation and sublimation apparatus comprising a condenser

1982-10-29

1983-10-04

Andrews, M. J.

Metallurgical apparatus

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

By condensing and collecting a volatile constituent

202185R, 202188, 266149, 75 14, 75 88, F27D 706

Patent

active

044074883

ABSTRACT:
The invention relates to a distillation and sublimation apparatus having a receiving vessel and a number of containers for the starting product. Each container has a bottom, an outer wall and an inner wall with a vapor duct, and the containers are stacked one upon the other in such manner that the vapor ducts are arranged in series. An annular space is present outside the stack of containers. The apparatus comprises a condenser into which the vapor duct of the bottom container discharges.
For the purpose of solving the problem of preventing condensation of vapor on the receiving vessel, it is proposed, in accordance with the invention, that capillary gaps (28), which are open towards the receiving vessel (3), be present between the containers (26). Furthermore, the condenser (8) communicates with the annular space (10) by way of at least one return-flow orifice (19) for the gases. The arrangement is such that the annular space (10), the capillary gaps (28), the vapor ducts (26), the condenser (8) and the return-flow orifice or orifices (19) are parts of a closed gas-circulation path.

REFERENCES:
patent: 1994357 (1935-03-01), Ginder et al.
patent: 4045006 (1977-08-01), Cherednichenko et al.

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