System for the contained transfer of particulates

Details System for the contained transfer of particulates System for the contained transfer of particulates

C - Chemistry, Metallurgy

08

L

C08L 23/06 (2006.01) B65D 81/18 (2006.01) C08J 5/18 (2006.01) C08K 3/34 (2006.01) C08K 5/17 (2006.01) C08L 23/12 (2006.01) C09K 3/16 (2006.01)

Patent

CA 2591602

An economical and reliable system for the contained transfer of particulates by means of a series of transfer containers (140) facilitates the particulate transfer without either exposure of the operating personnel and the environment to the particulate, or environmental contamination of the particulate itself. The system employs a multiple o-ring canister assembly (110) which can be attached to either the discharging port (120) or charging port (135) of a piece of processing equipment. The canister has a series of circumferential o-ring grooves (115) which allows the attachment of a series of individual containers. In a charging mode, once the particulate is charged to the processing equipment, a first transfer container is collapsed and a second transfer container is placed in the next o--ring groove, thereby containing the remaining contaminated section (149) of the first transfer container. The first transfer container is removed through a bag-out sleeve (143) which is an integral part of the second transfer container. The process is repeated in a stepwise fashion by moving to the next groove in the canister until the process equipment is completely charged in a particulate contained manner.

Système économique et fiable de transfert de particules en confinement au moyen d'une série de conteneurs de transfert (140) pour faciliter le transfert des particules sans exposer le personnel d'exploitation et le milieu environnant aux particules, ni exposer les particules elles-mêmes à la contamination par le milieu environnant. Le système se sert d'un bidon doté de plusieurs joints toriques (110) qui se fixe soit à l'orifice de décharge (120), soit à l'orifice de charge (135) d'une pièce d'équipement de traitement. Le bidon comporte une série de rainures circonférentielles (115) pour les joints toriques qui permettent de fixer une série de conteneurs individuels. Dans un mode de charge, une fois les particules chargées dans l'équipement de traitement, un premier conteneur de transfert est comprimé, et un second conteneur de transfert est placé dans la rainure à joint torique suivante, contenant ainsi la partie contaminée restante (149) du premier conteneur de transfert. Le premier conteneur de transfert se retire par un manchon (143) à renflement qui fait partie intégrante du second conteneur de transfert. Le procédé est répété par étapes en passant à la rainure suivante dans le conteneur jusqu'à ce que l'équipement de traitement soit complètement chargé de façon à confiner les particules.

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