Evaporation of radioactive wastes

Details Evaporation of radioactive wastes Evaporation of radioactive wastes

1973-05-17

1976-01-20

Sofer, Jack

Concentrating evaporators

Closed evaporating chambers

Indirectly heated

159 28R, 159DIG12, 165 74, 2523011W, B01D 126, B01D 1100, B01D 106, C09K 300

Patent

active

039335763

ABSTRACT:
An evaporation system for radioactive waste concentration comprises an evaporation chamber, a heat exchanger, and a circulation pump arranged in an upstanding spaced-apart configuration and enclosed within a radiation shield whereby access to the system is limited and frequently only possible from overhead. The steam chest of the heat exchanger is suspended from a removable top plate to allow removal for repair or replacement without exposing maintenance personnel to radiation. A novel circulation pump having a vertical shaft and propeller supported from a top plate which can be removed from overhead also allows maintenance or replacement of the pump without exposure to radiation or having to drain the system.

REFERENCES:
patent: 841030 (1907-01-01), Marshall
patent: 1436739 (1922-11-01), Webre
patent: 1791281 (1931-02-01), Morse
patent: 1832412 (1931-11-01), Newton
patent: 1835620 (1931-12-01), Webre
patent: 1953293 (1934-04-01), Forncrook
patent: 1975560 (1934-10-01), Sollich
patent: 2695869 (1954-11-01), Sondermann
patent: 2991161 (1961-07-01), Gasche
patent: 3057603 (1962-10-01), Isreeli

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