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Experiment system for leakage characteristics of buried oil pipelines

An experimental system and oil pipeline technology, which is applied in the field of buried oil pipeline leakage characteristic experiment system, can solve the problems of narrow application range, poor convenience, single function, etc.

Inactive Publication Date: 2014-02-26
BEIJING UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the existing buried oil pipeline leakage characteristics test system, such as narrow application range, single function, and poor convenience, the present invention provides a buried oil pipeline leakage characteristic experiment system that can study straight pipes, elbows, three Leakage characteristics of channels, flanges and valves

Method used

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  • Experiment system for leakage characteristics of buried oil pipelines
  • Experiment system for leakage characteristics of buried oil pipelines
  • Experiment system for leakage characteristics of buried oil pipelines

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] Build the main circuit of the straight pipe leakage characteristic experiment system, and conduct the straight pipe leakage characteristic experiment according to the following steps:

[0023] 1. Place the buckle 13 of a certain aperture in the leakage port A of the straight pipe 14, and press it to death with the top pressure elbow 28;

[0024] 2), the leakage circuit of the straight pipe leakage characteristic experiment system is connected, and the water supply pump 3, the water outlet mass flowmeter 9 and the leakage outlet mass flowmeter 27 are powered on;

[0025] 3) Start the water pump 3, adjust the pressure regulating valve 7, observe the readings of the pressure gauge I15 and pressure gauge II16 until the set pressure. After a period of time, start to record the indication value of the mass flow meter 27 at the leak port, and record it once every other period of time;

[0026] 4) Adjust the pressure regulating valve 7 to stabilize the system at other pressure...

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Abstract

The invention relates to an experiment system for leakage characteristics of buried oil pipelines and belongs to the field of studies of leakage characteristics of buried oil pipelines. The experiment system can study the leakage characteristics of straight pipes, elbows, tee joints, flanges and valves. For the straight pipes, the elbows and the tee joints, the experiment system studies orifice leakage characteristics. For the flanges, the experiment system studies leakage characteristics of the flanges when the bolt pre-tightening force is not sufficient; for the valves, the experiment system studies valve inner leakage characteristics. The system which is formed by the connection of flanges is convenient to dismount, capable of studying the leakage characteristics of various parts (the straight pipes, the elbows, the tee joints, the flanges and the valves) and being widely applied to laboratory studies of colleges and universities and scientific research institutions and preliminary study of relevant enterprises.

Description

technical field [0001] The invention belongs to the field of research on leakage characteristics of buried oil pipelines, in particular to an experimental system for leakage characteristics of buried oil pipelines. Background technique [0002] Corrosion and perforation of pipelines, sudden natural disasters (such as earthquakes, landslides, river scouring) and man-made sabotage will cause pipeline leakage or rupture, threatening the safe operation of buried oil pipelines. Since the leakage rate is affected by many factors such as soil gravity, oil body temperature, shape and size of the leakage port, and the special environment in which it is difficult to conduct field experiments, it is very necessary to establish an experimental system for the leakage characteristics of buried oil pipelines. At present, the experimental systems for the leakage characteristics of buried oil pipelines at home and abroad can only conduct experimental research on the leakage characteristics o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D5/02F17D1/14
Inventor 王新华胡东何仁洋唐兴华王力伟周文清
Owner BEIJING UNIV OF TECH
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