Hydrocleaning of the exterior surface of a pipeline to remove co

Details Hydrocleaning of the exterior surface of a pipeline to remove co Hydrocleaning of the exterior surface of a pipeline to remove co

1991-11-08

1993-01-12

Stinson, Frankie L.

Cleaning and liquid contact with solids

Apparatus

With movably or flexibly mounted spray or jet applying...

134199, 134122R, B08B 302

Patent

active

051781719

ABSTRACT:
Hydrocleaning apparatus for pipelines and the like includes a frame capable of advancing lengthwise of the pipeline, such frame carrying a plurality of liquid jetting modules which, in use, are disposed in an array around the pipeline surface to enable cleaning of the entire surface to be effected. The frame can be opened up to allow the apparatus to be fitted to or removed from a continuous pipeline. The frame arrangement and module mounting system are designed to provide good cleaning efficiency and proper orientation of the various modules in spite of pipeline irregularities including out-of-round conditions, uneven coating thicknesses and wrinkles. A pivoting module mount helps to maintain cleaning efficiency in the case where thick coatings are being removed. The frame drive wheels are disposed forwardly of the modules to avoid contamination of the cleaned surfaces by deposits that may build up on the wheels. A shroud system connected to the modules prevents substantial escape of contaminating liquids and debris into the environment.

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