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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2015 Vol.5

    Study on Optimization of Corrosion Inhibitor Injection Position in Horizontal Buried Pipeline
    Author of the article:Chen Xiaolin, Li Yueqin, Cai Chenggong, Xiao Fei
    Author's Workplace：1.College of Mechanical Engineering, Southwest Petroleum University, 2.SINOPEC Natural Gas Company Shandong Gas Pipeline Co., Ltd.,
    Key Words：Corrosion inhibitor; Horizontal buried pipeline; Uniform distribution; High temperature and high pressure
    Abstract：Elbow is a common kind of pipe fittings in long-distance pipeline, applied is the software ANSYS-CFX to conduct numerical simulation on the pipe model combined by horizontal pipe, vertical pipe and 90° elbow, analyzed is the movement and distribution law of corrosion inhibitor within elbow, corrosion inhibitor filling position is changed according to the numerical simulation results and such conclusion is obtained: it is very hard to distribute uniformly for corrosion inhibitor in horizontal pipe segment and pipe top is covered by least corrosion inhibitor. Gas flow disturbance in vertical pipe segment will form vortex, which is conducive to uniform adhesion of corrosion inhibitor in pipe inner surface. Results obtained from analysis on changing corrosion inhibitor filling position show that corrosion inhibitor filling into vertical pipe segment is optimum. Utilization of geometric structure of vertical pipe segment produces vortex, which can increase the probability of uniform coverage by corrosion inhibitor.

     


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