Device for monitoring the stack exit air in a reactor installati

Details Device for monitoring the stack exit air in a reactor installati Device for monitoring the stack exit air in a reactor installati

1992-07-14

1993-11-30

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fission reactor material treatment

Impurity removal

376310, 376309, G21C 1942

Patent

active

052672824

ABSTRACT:
A device for monitoring the stack exit air in a reactor installation consists essentially of a pressure relief line (2) which connects the containment vessel (1) to the stack (5) and in which a filter unit (3) is located. Downstream of the filter, a sampling point (6) is provided in the pressure relief line, from where gas mixture is branched off via a sampling line (7). This gas is passed through a measurement section (14) and then returned into the pressure relief line (2). The concentration of the gas is reduced in a dilution unit (8) upstream of the measurement section (14). Cooling of the gas sample in the sampling line (7) before dilution is prevented by means of a heater (24).

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