Method of back-pulse flushing clogged pipes, for example in a hydraulic pipe system
Method of back-pulse flushing clogged pipes, for example in a hydraulic pipe system and use of the method. A method for removing liquid from a lumen of a pipe by a back-pulse flushing where carbon dioxide in liquid or supercritical state is added to a pipe, and the pressure is reduced after diffusio...
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| creator | AMUNDSEN, Espen Kähler THOMSEN, Jens Peder Høg |
| description | Method of back-pulse flushing clogged pipes, for example in a hydraulic pipe system and use of the method. A method for removing liquid from a lumen of a pipe by a back-pulse flushing where carbon dioxide in liquid or supercritical state is added to a pipe, and the pressure is reduced after diffusion of the CO2 through the liquid, such that the pressure reduction changes the CO2 into expanding gas that presses the matter out of the pipe at the same end into which the CO2 was inserted. The method is useful for cleaning long dead-end pipes, for example hydraulic control pipes for valves in offshore installations, especially in oil and gas industry. |
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A method for removing liquid from a lumen of a pipe by a back-pulse flushing where carbon dioxide in liquid or supercritical state is added to a pipe, and the pressure is reduced after diffusion of the CO2 through the liquid, such that the pressure reduction changes the CO2 into expanding gas that presses the matter out of the pipe at the same end into which the CO2 was inserted. 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A method for removing liquid from a lumen of a pipe by a back-pulse flushing where carbon dioxide in liquid or supercritical state is added to a pipe, and the pressure is reduced after diffusion of the CO2 through the liquid, such that the pressure reduction changes the CO2 into expanding gas that presses the matter out of the pipe at the same end into which the CO2 was inserted. 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A method for removing liquid from a lumen of a pipe by a back-pulse flushing where carbon dioxide in liquid or supercritical state is added to a pipe, and the pressure is reduced after diffusion of the CO2 through the liquid, such that the pressure reduction changes the CO2 into expanding gas that presses the matter out of the pipe at the same end into which the CO2 was inserted. The method is useful for cleaning long dead-end pipes, for example hydraulic control pipes for valves in offshore installations, especially in oil and gas industry.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CLEANING CLEANING IN GENERAL PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL TRANSPORTING |
| title | Method of back-pulse flushing clogged pipes, for example in a hydraulic pipe system |
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