Debris filter for nuclear reactor installation and nuclear fuel assembly comprising such a debris filter

摘要

A debris filter for a nuclear reactor installation is provided. The debris filter comprises a plurality of plates arranged side-by-side in a spaced relationship and delimiting between them flow passages extending through the debris filter from a lower inlet face to an upper outlet face of the debris filter, each passage having an intermediate section offset with respect to an inlet section and an outlet section. At least one of the plates is formed with debris catching features distributed along the plate and protruding into at least one passage delimited by the plate.

主权项

1. A debris filter for a nuclear reactor installation, the debris filter being in the shape of a screen having a lower inlet face and an upper outlet face, the debris filter comprising:
a plurality of plates arranged side-by-side in a spaced relationship and delimiting between them flow passages extending through the debris filter from the lower inlet face to the upper outlet face, each passage having an intermediate section offset with respect to an inlet section and an outlet section, each plate having a lower portion extending from the inlet face, an upper portion extending from the outlet face and a waved intermediate portion extending between the lower portion and the upper portion and delimiting an intermediate section with the intermediate portion of each adjacent plate, at least one of the plates being formed with debris catching features distributed along the lower portion of the plate and protruding into at least one passage delimited by the plate, each debris catching feature being delimited in the plate by at least one notch or slot formed in the plate, each debris catching feature extending downwardly from the plate and delimiting at least one upwardly tapering debris catching space.