Oil transportation pipeline with corrosion-prevention function
A technology for transporting pipelines and petroleum, which is applied in pipeline protection, pipeline heating/cooling, and pipeline protection through heat insulation. Improved convenience and reduced weight
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[0022] Such as figure 1 As shown, the oil transportation pipeline with anti-corrosion function of the present invention includes an inner pipeline 1 and an outer pipeline 2 sheathed outside the inner pipeline 1. The inner pipeline 1 and the outer pipeline 2 are successively provided with an insulation layer 3 and Anticorrosion layer 4, in the insulation layer 3, a plurality of insulation pipes 5 with axes parallel to the axis of the inner pipeline 1 are sequentially arranged in the insulation layer 3 along the circumferential direction of the inner pipeline 1. The insulation pipe 5 in the insulation layer 3 is filled with insulation asbestos, and insulation pipe 5 is provided with a zigzag partition plate 6 which is located at the axis of the heat preservation pipe 5 and divides the heat preservation pipe 5 into two cavities near the inner pipe 1 and far away from the inner pipe 1, close to the inner pipe 1. The cavity is filled with foam, and the cavity far awa...
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