Liquid material drying apparatus

Details Liquid material drying apparatus Liquid material drying apparatus

1985-03-04

1986-09-02

Sever, Frank

Concentrating evaporators

Closed evaporating chambers

Directly heated

34109, 34168, 34169, B01D 124

Patent

active

046094300

ABSTRACT:
An apparatus for drying and powdering liquid radioactive wastes produced in radioactive material treating plants such as nuclear power stations comprising a vessel having liquid material inlet and outlet ports for liquid wastes, a support plate arranged in the vessel, a great number of spherical bodies piled in layers on the support plate, stirring means having stirring blades for rolling the spherical bodies, and heating means for heating the spherical bodies. An induction heating coil may be used as the heating means, when the spherical bodies are conductive. If electric resistance heating means is used, the spherical bodies are non-conductive. Hot air can be used for heating the spherical bodies. The electric resistance heating means consists of a plurality of resistance heaters one above the other around the vessel. The support plate is formed with slits concentric to each other and the stirring means is provided with pins rotating therewith and extending into the slits.

REFERENCES:
patent: 3898745 (1975-08-01), Carlsson

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