CN205580688U - Evaluation device of high pressure pipeline leak detection system - Google Patents
Evaluation device of high pressure pipeline leak detection system Download PDFInfo
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- CN205580688U CN205580688U CN201620273876.8U CN201620273876U CN205580688U CN 205580688 U CN205580688 U CN 205580688U CN 201620273876 U CN201620273876 U CN 201620273876U CN 205580688 U CN205580688 U CN 205580688U
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- pipeline
- storage box
- medium storage
- perforate
- test pipe
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Abstract
The utility model provides an evaluation device of high pressure pipeline leak detection system, including environmental medium storage box and pipeline medium storage box, the department installs sealed lid at the top seal of pipeline medium storage box mouth, be provided with the test pipeline who buries underground in environmental medium in the environmental medium storage box, set up the trompil that tangible becomes prefabricated leakage point on the pipeline wall, be equipped with sealed pressure -bearing structure at holing position, the vibration sensor who is connected with the monitor control system of peripheral hardware is laid to the both ends position of keeping away from the trompil on test pipeline, test pipeline 's one end is the blind end, the other end forms the feed liquor interface, be equipped with admit air interface and liquid outlet respectively at the top of pipeline medium storage box and the position that is close to the bottom, the interface that admits air passes through the air inlet pipeline to be connected with the compressor of peripheral hardware, and liquid outlet passes through the feed liquor interface connection on liquid outlet pipe and the test pipeline, installs the valve on liquid outlet pipe, install the manometer at the top of pipeline medium storage box, be equipped with heater and thermometer in the environmental medium storage box. This evaluation device has realized the effective aassessment to pipeline monitoring system.
Description
Technical field
This utility model belongs to oilfield monitoring technical field, particularly to a kind of pressure piping leakage monitoring system
The apparatus for evaluating of system.
Background technology
In petroleum transportation field, pipeline oil transportation is transportation oil the most universal, maximally effective.Pipeline is once let out
Leakage, will result in huge economic loss and social influence.At present, to pressure piping leakage monitoring technology
The mode of commonly used vibration monitoring judges the leakage situation of pipeline, concrete, at the outer cloth of oil pipeline
If vibrating sensor, vibrating sensor is connected with the monitor control system being arranged on monitoring platform, and it is former
Reason is: the high-pressure medium in pipeline can cause with leakage point as starting point when leaking, and propagates to pipe ends
Mechanical wave, the vibrating sensor being arranged on pipe ends receives mechanical wave, and monitor control system is according to pipe
The velocity of wave that the time difference of the mechanical wave that two ends, road collect and mechanical wave are propagated in media as well, can be to leakage
Point positions.But in specific implementation process, owing to mechanical wave amplitude can be because of the increase of propagation distance
The reasons such as decay, mechanical wave speed are difficult to determine, background noise interference, cause leakage monitoring system to produce
Report by mistake, position the problems such as inaccurate.Accordingly, it would be desirable to a kind of effectively evaluating method, come different environment
Under the conditions of, the performance of line leakage technology under different installation technics is evaluated.
Summary of the invention
This utility model provides a kind of simple in construction, behaviour for solving technical problem present in known technology
Facilitate, the assessment dress of pressure piping leakage monitoring system pepe monitoring system effectively can assessed
Put.
This utility model is adopted the technical scheme that by solving technical problem present in known technology:
A kind of apparatus for evaluating of pressure piping leakage monitoring system, it is characterised in that: include that surrounding medium is deposited
Storage tank, pipeline medium storage box, be provided with seal at the top of pipeline medium storage box, in seal position
Put and sealing lid is installed, and store environment respectively in pipeline medium storage box in surrounding medium storage box
Medium and Monitoring Pinpelines medium, be provided with test pipe in surrounding medium storage box, and test pipe buries
It is located in surrounding medium, the duct wall of test pipe is provided with perforate, form prefabricated leakage point,
Position of opening is provided with seal and pressure bearing structure, and on test pipe, the end positions of away from orifice is laid with vibration
Sensor, described vibrating sensor is connected with the monitor control system of peripheral hardware, and one end of test pipe is envelope
Closed end, the other end of test pipe is perforate end, and this perforate end forms feed liquor interface；Deposit at pipeline medium
The top of storage tank and the position of close bottom are respectively equipped with intake interface and go out liquid interface, described intake interface
Be connected with the compressor of peripheral hardware by the air inlet pipeline of outer connection, described in go out liquid interface going out by outer connection
Liquid pipeline is connected with the feed liquor interface on test pipe, is provided with valve on drain pipe road；It is situated between at pipeline
The top of matter storage box is provided with the Pressure gauge for monitoring pipeline medium storage box internal gas pressure,
Heater and thermometer it is provided with in surrounding medium storage box.
Preferred: the perforate on test pipe is arranged on the surface of test pipe, described seal and pressure bearing is tied
Structure is pressure valve, and described pressure valve is made up of valve body and bonnet two parts, and described valve seal is plugged in examination
Testing in the perforate on pipeline, described bonnet is arranged on the outside of valve body, and it is pressed on the outer surface of duct wall
On.
Preferred: described perforate is the taper perforate that outer imperial palace is little, described valve body is to match with perforate
Cone valve.
Preferred: the length of embedment that test pipe is embedded in surrounding medium is not less than 1.5m.
This utility model has the advantage that with good effect:
This apparatus for evaluating uses compressor, air inlet pipeline, pipeline medium storage box, drain pipe road and test
The attachment structure simulated high-pressure medium of pipeline flow condition in submarine pipeline, is stored by surrounding medium
Case and test pipe situation of burying underground the simulation in surrounding medium marine environment residing for submarine pipeline, so,
By the line leakage system monitoring situation to leakage point prefabricated on test pipe, it is achieved that to pipeline
The effective evaluation of leakage monitoring system.This apparatus for evaluating has simple in construction and easy to operate advantage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is partial enlarged drawing at the A of Fig. 1.
In figure: 1, surrounding medium storage box；2, pipeline medium storage box；2-1, seal；3, close
Capping；4, test pipe；5, air inlet pipeline；6, compressor；7, drain pipe road；8, valve；9、
Pressure gauge；10, heater；11, thermometer；12, pressure valve；12-1, valve body；12-2, bonnet；
1, vibrating sensor.
Detailed description of the invention
For summary of the invention of the present utility model, feature and effect can be further appreciated that, hereby enumerate following enforcement
Example, and it is as follows to coordinate accompanying drawing to describe in detail:
Refer to Fig. 1 and 2, the apparatus for evaluating of a kind of pressure piping leakage monitoring system: include that environment is situated between
Matter storage box 1, pipeline medium storage box 2, be provided with seal 2-1 at the top of pipeline medium storage box,
Sealing lid 3 is installed in seal position, divides in surrounding medium storage box and in pipeline medium storage box
Do not store surrounding medium and Monitoring Pinpelines medium.It is provided with test pipe in surrounding medium storage box
4, test pipe is embedded in surrounding medium, and the length of experimental channel should be not less than 50m.At test pipe
Duct wall on be provided with perforate, form prefabricated leakage point, be provided with seal and pressure bearing structure at position of opening,
Concrete, prefabricated leakage point is sealed by available fluid sealant or mechanical system, and makes it can bear one
Fixed pressure.On test pipe, the end positions of away from orifice is laid with vibrating sensor 1, concrete,
The vibrating sensor installation position on pipeline distance at prefabricated leakage point, can be according to experimental evaluation
Needs, carry out repeatedly the setting of different value, so can carry out many experiments assessment.Described vibrating sensing
Device is connected with the monitor control system of peripheral hardware, and monitor control system is the most not shown.Test pipe
One end is blind end, and the other end of test pipe is perforate end, and this perforate end forms feed liquor interface.At pipe
The top of track media storage box and the position of close bottom are respectively equipped with intake interface and go out liquid interface, described
Intake interface is connected with the compressor 6 of peripheral hardware by the air inlet pipeline 5 of outer connection, described in go out liquid interface lead to
The drain pipe road 7 crossing outer connection is connected with the feed liquor interface on test pipe, is provided with on drain pipe road
Valve 8.It is provided with at the top of pipeline medium storage box for monitoring pipeline medium storage box internal gas
The Pressure gauge 9 of pressure, is provided with heater 10 and thermometer 11 in surrounding medium storage box, comes environment
The temperature of medium is adjusted and detects, with the ocean temperature that simulation is actual.Above-mentioned surrounding medium can root
Choose according to being actually needed, such as common submarine pipeline, it is possible to use diluter mud serves as；
For suspended span section submarine pipeline, use water.And pipeline medium can use clear water, for topotype as far as possible
Intending the hydrodynamics of pipeline medium, pipeline medium is preferably configured to tool with polyacrylamide (PAM)
The aqueous solution having certain viscosity serves as, and meanwhile, sees whether leakage for convenience, can be in aqueous solution
Add a little pigment.
In said structure, the perforate on test pipe is preferably provided at the surface of test pipe, described close
Envelope bearing structure is preferably pressure valve 12, and described pressure valve is by valve body 12-1 and bonnet 12-2 two parts structure
Becoming, described valve seal is plugged in the perforate on test pipe, and described bonnet is arranged on the outside of valve body,
It is pressed on the outer surface of duct wall.Wherein, the screening of pressure valve can utilize below equation:
M=10PS-(1.01+0.1 ρ h) A.In formula: m is the quality (units/kg) of pressure valve, P is for producing bar
Pressure in pipeline (units MPa) under part, S, A are respectively pressure valve base area, top surface area (list
Position cm2), ρ is the density (water or mud, units/kg/m3) of surrounding medium, and h is that test pipe is embedding
The degree of depth (unit m).
In said structure, the valve body of pressure valve is formed to seal with the perforate on duct wall and coordinates, can be further
Preferably realized by following structure: the perforate on duct wall is set to the taper perforate that outer imperial palace is little, institute
Stating valve body is the cone valve matched with perforate, so, by the taper surface of taper perforate and valve body
Coordinate, it is ensured that valve body forms sealing with the perforate of duct wall.
In said structure, the length of embedment that test pipe is embedded in surrounding medium is preferably not less than 1.5m.This
Sample, can make the evaluation test environment of leakage monitoring system closer to actual marine environment so that it is commented
Estimate result and the actual application of marine environment is had more preferable directive significance.
The process using this apparatus for evaluating to be estimated leakage monitoring system is:
First-selected valve of closing, and pours in surrounding medium storage box in pipeline medium storage box the most respectively
Pipeline medium and surrounding medium, when the pipeline medium poured into and surrounding medium all reach the requirement set,
Lid top cover labyrinth, forms sealed environment in making pipeline medium storage box；It is then turned on valve, makes pipeline be situated between
Matter flows to test pipe naturally, when there being pipeline medium to overflow at the prefabricated leakage point on duct wall, closes
Valve closing door, seals the perforate on duct wall with fluid sealant or sealing member, and makes it can bear one
Fixed pressure；It is then turned on heater, surrounding medium is heated, and by thermometer, environment is situated between
The temperature of matter is monitored, and when the temperature of surrounding medium reaches preset value, is again turned on valve, and opens
Opening compressor, the gas pressure intensity in making pipeline medium storage box interior slowly increases, and so, indirectly makes reality
Test the hydraulic pressure in pipeline to increase, from now on, to the naked eye finding that experimental channel has occurred leakage
During this period of time, it should be noted that observe the response of pipeline leakage monitoring system, check that can this system reflect and let out
Leakage information (includes whether leakage and leak point positioning).I.e. judge that can leakage monitoring system monitor
The tram of leakage point on test pipe.For assessment leakage monitoring system to leakage point on test pipe at
The responding ability of different leakage areas, can gradually expand perforate, lays equal stress on after experiment terminates first
Multiple experiment, repeatedly the checking leakage monitoring system response condition to various sizes of defect.
Before carrying out above-mentioned experiment, can test with leak free intact pipeline, to leakage monitoring system
System is debugged, it is ensured that system is in optimum state in experimentation.
Claims (4)
1. the apparatus for evaluating of a pressure piping leakage monitoring system, it is characterised in that: include that environment is situated between
Matter storage box, pipeline medium storage box, be provided with seal at the top of pipeline medium storage box, is sealing
Mouth position is provided with sealing lid, and stores respectively in pipeline medium storage box in surrounding medium storage box
Surrounding medium and Monitoring Pinpelines medium, be provided with test pipe, developmental tube in surrounding medium storage box
Road is embedded in surrounding medium, is provided with perforate on the duct wall of test pipe, forms prefabricated leakage point,
Being provided with seal and pressure bearing structure at position of opening, on test pipe, the end positions of away from orifice is laid with and shakes
Dynamic sensor, described vibrating sensor is connected with the monitor control system of peripheral hardware, and one end of test pipe is
Blind end, the other end of test pipe is perforate end, and this perforate end forms feed liquor interface；At pipeline medium
The top of storage box and the position of close bottom are respectively equipped with intake interface and go out liquid interface, described air inlet connecting
Mouthful be connected with the compressor of peripheral hardware by the air inlet pipeline of outer connection, described in go out liquid interface by outer connection
Drain pipe road is connected with the feed liquor interface on test pipe, is provided with valve on drain pipe road；At pipeline
The top of media storage case is provided with the Pressure gauge for monitoring pipeline medium storage box internal gas pressure,
Heater and thermometer it is provided with in surrounding medium storage box.
The apparatus for evaluating of pressure piping leakage monitoring system the most according to claim 1, its feature
Being: the perforate on test pipe is arranged on the surface of test pipe, described seal and pressure bearing structure is pressure
Power valve, described pressure valve is made up of valve body and bonnet two parts, and described valve seal is plugged in test pipe
On perforate in, described bonnet is arranged on the outside of valve body, and it is pressed on the outer surface of duct wall.
The apparatus for evaluating of pressure piping leakage monitoring system the most according to claim 2, its feature
Being: described perforate is the taper perforate that outer imperial palace is little, described valve body is the cone valve matched with perforate
Body.
The apparatus for evaluating of pressure piping leakage monitoring system the most according to claim 1, its feature
It is: the length of embedment that test pipe is embedded in surrounding medium is not less than 1.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273876.8U CN205580688U (en) | 2016-04-01 | 2016-04-01 | Evaluation device of high pressure pipeline leak detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273876.8U CN205580688U (en) | 2016-04-01 | 2016-04-01 | Evaluation device of high pressure pipeline leak detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205580688U true CN205580688U (en) | 2016-09-14 |
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ID=56864106
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620273876.8U Expired - Fee Related CN205580688U (en) | 2016-04-01 | 2016-04-01 | Evaluation device of high pressure pipeline leak detection system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481985A (en) * | 2016-12-19 | 2017-03-08 | 交通运输部天津水运工程科学研究所 | Crude oil submarine pipeline leak test oil supply system assembly |
| CN106768648A (en) * | 2016-12-07 | 2017-05-31 | 大唐东北电力试验研究所有限公司 | Buried pipeline seepage simulation experiment system |
| CN109506846A (en) * | 2018-12-29 | 2019-03-22 | 重庆赛格尔汽车配件有限公司 | Bellows leaks hunting a device |
| CN110957054A (en) * | 2019-12-16 | 2020-04-03 | 上海核工程研究设计院有限公司 | Test device for verifying main steam pipeline leakage monitoring method |
-
2016
- 2016-04-01 CN CN201620273876.8U patent/CN205580688U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768648A (en) * | 2016-12-07 | 2017-05-31 | 大唐东北电力试验研究所有限公司 | Buried pipeline seepage simulation experiment system |
| CN106481985A (en) * | 2016-12-19 | 2017-03-08 | 交通运输部天津水运工程科学研究所 | Crude oil submarine pipeline leak test oil supply system assembly |
| CN109506846A (en) * | 2018-12-29 | 2019-03-22 | 重庆赛格尔汽车配件有限公司 | Bellows leaks hunting a device |
| CN110957054A (en) * | 2019-12-16 | 2020-04-03 | 上海核工程研究设计院有限公司 | Test device for verifying main steam pipeline leakage monitoring method |
| CN110957054B (en) * | 2019-12-16 | 2023-02-28 | 上海核工程研究设计院有限公司 | Test device for verifying main steam pipeline leakage monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20210401 |