Modular oxidation chamber

B - Operations – Transporting – 01 – J

Patent

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Details

B01J 19/08 (2006.01) A23L 3/28 (2006.01) B01J 19/12 (2006.01) B08B 9/04 (2006.01) C02F 1/32 (2006.01) G21K 5/02 (2006.01)

Patent

CA 2093016

An oxidation chamber used for irradiating an incoming liquid containing unwanted organic pollutants has a structure that facilitate automatic self-cleaning at intervals. A modular construction is used, and three basic types of modules (12, 14 and 16) are employed. One of the modules (16) is a TEFLON~lined carbon steel pipe through which a shutting scraper is forced at interval. The shuttling scraper includes an annular wiper (60) that simultaneously cleans the inside surface of the surrounding tubular module ( 16) as well as the outside surface of an enclosed quartz tube (36). The annular wiper sealingly engages the quartz tube and the tubular module so that it is driven like a piston by the full pressure of the liquid. When the shuttling scraper has reached the end of the tubular module, it parks itself in a position that causes only minimal pressure drop.

Chambre d'oxydation modulaire utilisée pour irradier un liquide d'entrée contenant des polluants organiques indésirables et possédant une structure permettant un nettoyage automatique par intervalles. On utilise une construction modulaire constituée par trois types de modules de base (12), (14), et (16). Un des modules (16) est un tuyau en acier au carbone recouvert par du TEFLON R, à travers lequel passe par intervalles un racloir effectuant une poussée avec un mouvement de va-et-vient. Ledit racloir comprend une raclette annulaire (60) nettoyant simultanément la surface intérieure du module tubulaire (16) et la surface extérieure d'un tube en quartz (36) enfermé à l'intérieur dudit module. La raclette annulaire vient en contact avec le tube en quartz et le module tubulaire en créant une étanchéité, de façon à fonctionner comme un piston sous l'effet de la pression totale du liquide. Quand le racloir atteient l'extrémité du module tubulaire, il s'arrête à une position ne provoquant qu'une chute de pression minimum.

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