Fluid sampling system for a nuclear reactor

Details Fluid sampling system for a nuclear reactor Fluid sampling system for a nuclear reactor

1993-06-23

1994-11-22

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Circulating fluid within reactor

376293, 376310, G21C 356

Patent

active

053675460

ABSTRACT:
A system of extracting fluid samples, either liquid or gas, from the interior of a nuclear reactor containment utilizes a jet pump. To extract the sample fluid, a nonradioactive motive fluid is forced through the inlet and discharge ports of a jet pump located outside the containment, creating a suction that draws the sample fluid from the containment through a sample conduit connected to the pump suction port. The mixture of motive fluid and sample fluid is discharged through a return conduit to the interior of the containment. The jet pump and means for removing a portion of the sample fluid from the sample conduit can be located in a shielded sample grab station located next to the containment. A non-nuclear grade active pump can be located outside the grab sampling station and the containment to pump the nonradioactive motive fluid through the jet pump.

REFERENCES:
patent: 3657920 (1972-04-01), Teel et al.
patent: 3938367 (1976-02-01), Fletcher et al.
patent: 4442720 (1984-04-01), Apley et al.
patent: 4493792 (1985-01-01), Graf, Jr.
patent: 4674343 (1987-06-01), Larson

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