Method, apparatus and frame structure for cleaning pipe...

B - Operations – Transporting – 08 – B

Patent

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Details

B08B 9/023 (2006.01) B24C 3/06 (2006.01)

Patent

CA 2717209

A method is described for cleaning the surface of extended bodies, such as pipelines, of contaminating materials, and it is characterised by the following features: that an apparatus (20) is arranged to surround and seal around the body (10) so that a completely closed or partially closed cleaning chamber is defined between the inside of the apparatus and the outside (12) of the body (10), that a number of spraying bodies arranged in connection with the apparatus is brought to spray the surface (12) with a pressure fluid containing an abrasive agent to loosen contaminating materials, that the mixture of contaminating materials and spent abrasive agent is led away via a suction section, in a closed way for further processing, that means are used to move the apparatus (20) along the pipe surface (12), and that the abrasive agent possibly is separated and used again. An apparatus (20), a frame construction and also a pipe construction for distribution of particles are also described.

L'invention concerne un procédé pour nettoyer la surface de corps étendus, tels que des canalisations, de matières contaminantes, et le procédé est caractérisé par les éléments suivants: un appareil (20) est conçu pour entourer et se fermer de manière étanche autour du corps (10) de sorte qu'une chambre de nettoyage complètement fermée ou partiellement fermée est définie entre l'intérieur de l'appareil et l'extérieur (12) du corps (10), un certain nombre de corps de pulvérisation reliés à l'appareil est amené à pulvériser la surface (12) à l'aide d'un fluide sous pression contenant un agent abrasif pour détacher les matières contaminantes, le mélange de matières contaminantes et d'agent abrasif utilisé est évacué via une section d'aspiration, dans un circuit fermé pour un traitement ultérieur, lesdits moyens sont utilisés pour déplacer l'appareil (20) le long de la surface de conduit (12), et l'agent abrasif est éventuellement séparé et réutilisé. L'invention concerne également un appareil (20), une construction de bâti ainsi qu'une construction de conduit pour la distribution de particules.

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