Compositions – Radioactive compositions – Nuclear reactor fuel
Patent
1983-03-23
1986-04-29
Joyce, Harold
Compositions
Radioactive compositions
Nuclear reactor fuel
55287, 252630, F23J 1100
Patent
active
045849307
ABSTRACT:
A ventilation system for a glove box (1) comprising first (4,5) and second (10,14) extract flow lines connected in parallel between a common outlet (15) from the box and a suction pump (6). Each extract line includes a vortex amplifier (3,9) and a filter (11,12). The vortex amplifiers are chosen such that under normal operating conditions the required depression within the box is maintained by flow along the first of the extract lines and a reverse flow from the vortex amplifier in the second extract line passes through the filter in that line and exits through the first extract line without passing into the glove box. The second extract line functions as an emergency extract capability in the event of a breach of the glove box and the reverse flow keeps the filter in the line in a clean and usable condition.
REFERENCES:
patent: 3093564 (1963-06-01), Weisman et al.
patent: 3501923 (1970-03-01), Lehmer
patent: 4227900 (1980-10-01), Nichols et al.
patent: 4435194 (1984-03-01), Picard et al.
J. Grant et al., "Vortex Control of Safety Enclosures", Nuclear Energy, vol. 20, No. 4, London, G.B., Aug. 1981, pp. 303-309.
Weichselgartner, H., "A New Process to Remove Tritium from Glove Box Atmospheres", Conference: Ninth Symposium on Engineering Problems of Fusion Research, Chicago, IL, Oct. 1981, pp. 26-29.
British Nuclear Fuels Limited
Joyce Harold
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