On the concept of design of main product pipelines, transporting liquefied hydrocarbon gases with high vapor pressure

Authors: Sh.I. Rakhmatullin (Center of Pipeline Transport Hydraulics, Academy of Science of Bashkortostan Republic)
The reliability and security ratings of main pipeline, transporting a wide fraction of light hydrocarbons, are analyzed. It is shown, that at the main pipeline designing, for pumping ethanized wide fraction of light hydrocarbons with vapor pressure more than 1.6 MPa at 40 Вє C there is a need to accept a twin line technological scheme with shunt pipes with cost-effective pipe diameter of each line with a working pressure not exceeding the working pressure, accepted for stable oil products. An algorithm to determine the most advantageous pipe diameter of linear part of each line is suggested.
The reliability and security ratings of main pipeline, transporting a wide fraction of light hydrocarbons, are analyzed. It is shown, that at the main pipeline designing, for pumping ethanized wide fraction of light hydrocarbons with vapor pressure more than 1.6 MPa at 40 Вє C there is a need to accept a twin line technological scheme with shunt pipes with cost-effective pipe diameter of each line with a working pressure not exceeding the working pressure, accepted for stable oil products. An algorithm to determine the most advantageous pipe diameter of linear part of each line is suggested.


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