B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 65/10 (2006.01) G01M 3/24 (2006.01) G01N 15/08 (2006.01)
Patent
CA 2456064
The invention relates to a method of controlling the integrity of hollow fibre filtration units and of detecting leaks through a wholly or partially ruptured fibre. The inventive method is characterised in that it consists in: - emitting a noise or audible signal using an emitter located on one side of the membranes of the filtration units; - detecting the noise or audible signal emerging from a ruptured fibre on the other side of the membranes, regardless of whether or not a fluid is passing through said fibre; - amplifying the signal-noise thus obtained; - and comparing the resulting amplified signal to a threshold noise level in the same frequency range.
Procédé de contrôle de l'intégrité des modules de filtration à fibres creuses et de détection de fuites au travers d'une fibre totalement ou partiellement cassée, caractérisé en ce qu'il consiste à: - émettre un bruit ou signal sonore au moyen d'un émetteur situé d'un côté des membranes des modules de filtration; - détecter, de l'autre côté des membranes, le bruit ou signal sonore émergent d'une fibre rompue, que ladite fibre soit ou non soumise à une circulation de fluide; - amplifier le signal-bruit ainsi obtenu et - comparer le signal amplifié résultant à un niveau du bruit-seuil, dans la même gamme de fréquences.
Roux Jean-Pierre
Savall Vincent
Goudreau Gage Dubuc
Ondeo Degremont
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