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Method and system for pipeline transportation of refined oil

A refined oil and pipeline technology, which is applied in the pipeline system, gas/liquid distribution and storage, mechanical equipment, etc., can solve the problems of large time difference, long switching time of branch pipelines, low efficiency of switching oil pipelines, etc., to improve efficiency, Guarantee the effect of safe use

Active Publication Date: 2022-05-10
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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  • Method and system for pipeline transportation of refined oil
  • Method and system for pipeline transportation of refined oil
  • Method and system for pipeline transportation of refined oil

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Experimental program
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Embodiment Construction

[0049] In order to make the purpose, technical scheme and advantages of the present disclosure more clear, the embodiments of the present disclosure will be further described in detail below in combination with the accompanying drawings.

[0050] Figure 1 Is a schematic diagram of a product oil pipeline oil delivery system provided by the embodiment of the present disclosure, such as Figure 1 As shown, the product oil pipeline oil delivery system may include a product oil pipeline oil delivery device 10 and a controller 20. Figure 2 Is a structural diagram of a product oil pipeline oil delivery device provided by the embodiment of the present disclosure, such as Figure 2 As shown, the product oil pipeline oil delivery device 10 includes: trunk pump station 1, trunk pipeline 2 and a plurality of branch units 3, trunk pump station 1 is connected with one end of trunk pipeline 2, and the other end of trunk pipeline 2 is connected with a plurality of branch units 3.

[0051] Each bra...

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Abstract

The present disclosure provides a method and system for pipeline transportation of refined oil, and relates to the technical field of oil transportation. In this method, the pressure of the branch line pressure regulating valve on the first branch line pipeline that is delivering oil is increased to the first threshold pressure. Open the middle switch valve on the second branch pipeline while closing the middle switch valve on the first branch pipeline. Within the valve travel time of the intermediate on-off valve on the first branch line pipeline, adjust the output oil pressure of the main line pump station to the oil pressure to be delivered, and open the branch line on-off valve on the second branch line pipeline at the same time. Close the branch line switch valve on the first branch line pipeline. The opening of the second branch pipeline is completed while the first branch pipeline is closed, and the adjustment of the output oil pressure of the trunk pump station is also within the valve travel time of the intermediate switch valve on the first branch pipeline, and the time required to switch the oil pipeline is relatively short. less, improving the efficiency of switching oil pipelines.

Description

technical field [0001] The disclosure relates to the technical field of oil transportation, in particular to a product oil pipeline oil transportation method and system. Background technology [0002] The product oil pipeline transmission system is used to transport the product oil of the refinery to various regions for oil supply. The pump station in the product oil pipeline transmission system extracts the product oil of the refinery into the product oil transmission pipeline, and then transmits the oil to various regions through the product oil transmission pipeline. In order to facilitate the laying and transportation of product oil transmission pipelines, product oil transmission pipelines usually include trunk pipelines and multiple branch pipelines. One end of the trunk pipeline is connected with the refinery, the other end of the trunk pipeline is connected with one end of multiple branch pipelines, and the other end of multiple branch pipelines is connected with oil depo...

Claims

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Application Information

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Patent Type & Authority Patents(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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