Wednesday, 30 January 2013

Pipeline

Gas Production , Processing , Transmission and StoragePipe-Coating Materials-The hollo should non be corroding once placed in the grunge Hence coating mills apply thermionic tube coatings on the pipes before grounding . The coating mill should be hardened adjacent to the pipe mill , so line pipe moves directly from the pipe manufacturer to the coating facility . To comfort the pipe from moisture , corrosive soils , and construction-induced defects coating is necessary . A number of different coating techniques are present . specialize coal tar enamel is used in the departed for the coating purpose . Today , pipes are often saved with a fusion bond epoxy or extruded polyethylene . Both of which give the pipes a noticeable light chicken color . Cathodic protection is often used , which is a technique that involves inducing an electric current through the pipe to ward off corrosionThe external surface of the pipe is good cleaned with a shot-blast process before preparing for fusion-bond epoxy coating . afterward it the pipe is heated to a prescribed temperature and an epoxy powderize is applied .
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The powder melts onto the heated pipe and forms a water-tight hindrance The mill tests the coated pipe (called jeeping ) with high voltage to quantify the coating s insulating effectiveness prior to transporting the pipe to the job station Typical Installation of a Large Transmission graphic Gas PipeCompressor Stations-To accelerate the flow of plash Natural spatter is highly pressurized as it travels through an interstate pipeline compaction of the natural gas occurs periodically along the pipe to catch that the natural gas flowing through any unity pipeline remains pressurized . Compressor stations are used to chance on this . These Compressor stations are usually placed at 40 to 100 mile intervals along the pipeline . The natural gas is compressed at the compressor station by a turbine , repulse or engineTurbine compressors...If you want to get a full essay, coif it on our website: Ordercustompaper.com

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