Patent ID: 6461231
Filing Date: 2002-10-08
Classification: B08B,B24C,F16L,Y02P

Abstract:
A pipeline treating apparatus for treating the exterior surface of pipeline, comprising:a housing defining an enclosed chamber about a portion of the exterior surface of the pipeline; a treating mechanism mounted on the housing to treat the exterior surface of the pipeline with a treating media, the treating media removing debris from the exterior surface of the pipeline; a classifier and separator unit mounted on the housing to separate the debris and the treating media to permit disposal of the debris and recycling of the treating media to the treating mechanism; a collector assembly mounted on the housing to remove the debris and treating media from the enclosed chamber to the classifier and separator unit; the housing defining an annular housing about the circumference of the portion of the exterior surface of the pipeline being treated, the annular housing having an upper portion, an intermediate portion and a lower portion, the collector assembly including at least one upper duct connecting the upper portion of the annular housing to the classifier and separator unit, at least one intermediate duct connecting the intermediate portion of the annular housing to the classifier and separator unit and a collection tray mounted to the housing at the lower portion of the housing.