Device and method for producing radioisotopes

G - Physics – 21 – K

Patent

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Details

G21K 5/08 (2006.01) G21G 1/10 (2006.01)

Patent

CA 2502287

The present invention is related to a device and a method for producing a radioisotope of interest from a target fluid irradiated with a beam of accelerated charged particles, said device comprising in a circulation circuit (17):- an irradiation cell (1) comprising a metallic insert (2) able to form a cavity (8) designed to house the target fluid and closed by an irradiation window (7), said cavity (8) comprising at least one inlet (4) and at least one outlet (5);- a pump (16) for circulating the target fluid inside the circulation circuit (17);- an external heat exchanger (15);said pump (16) and said external heat exchanger (15) forming external cooling means of said target fluid;said device being characterized in that it further comprises pressurizing means (14) of said circulation circuit (17) and the external cooling means of said target fluid are arranged in such a way that the target fluid remains inside the cavity (8) essentially in the liquid state during the irradiation.

L'invention concerne un dispositif et un procédé destinés à la production de radio-isotopes étudiés à partir d'un fluide cible irradié à l'aide d'un faisceau de particules chargées accélérées. Ce dispositif comprend, dans un circuit de circulation (17) : une cellule d'irradiation (1) comportant un insert métallique (2) capable de former une cavité (8) conçue pour loger le fluide cible et fermée par une fenêtre d'irradiation (7), cette cavité comportant au moins une entrée (4) et au moins une sortie (5) ; une pompe (16) servant à faire circuler le fluide cible à l'intérieur du circuit de circulation (17) ; et un échangeur de chaleur externe (15). La pompe (16) et l'échangeur de chaleur externe (15) forment des moyens de refroidissement externes pour le fluide cible. Le dispositif de l'invention se caractérise par le fait qu'il comprend également un moyen de pressurisation (14) pour le circuit de circulation (17) et par le fait que les moyens de refroidissement externes pour le fluide cible sont disposés de façon que le fluide cible reste à l'intérieur de la cavité (8) principalement à l'état liquide durant l'irradiation.

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