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Oil transportation method and system of product oil pipeline

A product oil and pipeline technology, applied in pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc., can solve the problems of long switching time, large time difference, and low efficiency of switching oil pipelines for branch pipelines, so as to ensure safe use. , the effect of improving efficiency

Active Publication Date: 2021-06-18
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way of oil transportation, there will be a large time difference between the complete closure of the branch pipeline that is transporting oil and the complete opening of another branch pipeline, and the switching time of the branch pipeline for oil transportation is relatively long. less efficient

Method used

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  • Oil transportation method and system of product oil pipeline
  • Oil transportation method and system of product oil pipeline
  • Oil transportation method and system of product oil pipeline

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Embodiment Construction

[0049] In order to make the purpose, technical solution and advantages of the present disclosure clearer, the implementation manners of the present disclosure will be further described in detail below in conjunction with the accompanying drawings.

[0050] figure 1 It is a schematic diagram of a refined oil pipeline oil transportation system provided by an embodiment of the present disclosure, as shown in figure 1 As shown, the refined oil pipeline transportation system may include a refined oil pipeline transportation device 10 and a controller 20 . figure 2 It is a schematic structural diagram of a product oil pipeline transportation device provided by an embodiment of the present disclosure, as shown in figure 2 As shown, the refined oil pipeline oil transportation device 10 includes: a main line pump station 1, a main line pipeline 2 and a plurality of branch line units 3, the main line pump station 1 communicates with one end of the main line pipeline 2, and the other ...

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Abstract

The invention provides oil transportation method and system of a product oil pipeline, and relates to the technical field of oil transportation. According to the method, the pressure of a branch line pressure regulating valve on a first branch line pipeline in which oil is transported is increased to a first threshold pressure, an intermediate switch valve on a second branch pipeline is opened while the intermediate switch valve on the first branch pipeline is closed, the output oil pressure of a main line pump station is adjusted to the to-be-transported oil pressure within the valve stroke time of the intermediate switch valve on the first branch pipeline, and meanwhile, a branch switch valve on the second branch pipeline is opened, and a branch switch valve on the first branch pipeline is closed. The second branch pipeline is opened while the first branch pipeline is closed, and the output oil pressure of the main line pump station is adjusted within the valve stroke time of the intermediate switch valve on the first branch pipeline, so that the time for switching the oil transportation pipeline is short, and the efficiency for switching the oil transportation pipeline is improved.

Description

technical field [0001] The present disclosure relates to the technical field of oil transportation, in particular to a method and system for pipeline transportation of refined oil. Background technique [0002] The refined oil pipeline oil transportation system is used to transport the refined oil from the refinery to various regions for oil supply. The pump station in the refined oil pipeline oil transportation system pumps the refined oil from the refinery to the refined oil transportation pipeline, and then transports it through the refined oil Pipelines transport oil to various regions. In order to facilitate the laying of refined oil pipelines and the transportation of refined oil, refined oil pipelines usually include trunk pipelines and multiple branch pipelines. One end of the trunk pipeline is connected to the refinery, and the other end of the trunk pipeline is connected to one end of multiple branch pipelines. The other end of the pipeline is connected to oil dep...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/14F17D3/01F17D5/00
CPCF17D1/14F17D3/01F17D5/00
Inventor 李旺温凯姜海斌宫敬黄立宇邓坤裴斌陈莎张思杨刘晓英曾昭雄
Owner PETROCHINA CO LTD
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