Joule melter for the processing of radioactive wastes

Details Joule melter for the processing of radioactive wastes Joule melter for the processing of radioactive wastes

1984-05-23

1986-12-02

Envall, Jr., Roy N.

Industrial electric heating furnaces

Glass furnace device

Joule effect heating

373 30, 373 35, 373 33, C03B 5027

Patent

active

046270698

ABSTRACT:
The joule melter has an outer cylindrical electrode which forms the outer wall of the melt containment, an inner cylindrical electrode which protrudes upward in the containment and forms the outlet for the melt, thus, also determining the depth of the melt. A non-conducting sealing material forms a base plug between the electrodes. A cylindrical electrically conductive baffle is located between the electrodes and includes an opening which allows the melt to flow from near the outer electrode where the melt material is first inserted into the melter, to the inner electrode which is the outlet. In addition to the inner and outer electrodes, the baffle may be connected to a power supply to modify the currents flowing at each of the electrodes.

REFERENCES:
patent: 2268546 (1942-01-01), Forter
patent: 2482299 (1949-09-01), Stevens
patent: 2658096 (1953-11-01), Peyches
patent: 2749379 (1956-06-01), Geffcken et al.
patent: 2781411 (1957-02-01), Geffcken et al.
patent: 3519412 (1970-07-01), Olink
patent: 3876817 (1975-04-01), de Bussy
patent: 3912488 (1975-10-01), Sanford et al.
patent: 4139360 (1979-02-01), Piper
Liquid-Fed Ceramic Melter; Buelt et al, Oct. 1978, doc. No. PNL-2735, UC-70, U.S. Dept. of Energy.

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