CN208311965U - A kind of buried pressure pipeline based on on-line checking - Google Patents
A kind of buried pressure pipeline based on on-line checking Download PDFInfo
- Publication number
- CN208311965U CN208311965U CN201820526723.9U CN201820526723U CN208311965U CN 208311965 U CN208311965 U CN 208311965U CN 201820526723 U CN201820526723 U CN 201820526723U CN 208311965 U CN208311965 U CN 208311965U
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- CN
- China
- Prior art keywords
- layer pipe
- liquid level
- inner layer
- pressure pipeline
- outer layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a kind of buried pressure pipeline based on on-line checking, including inner layer pipe and outer layer pipe, the inner layer pipe are located in outer layer pipe, are provided with clearance space between the inner layer pipe and outer layer pipe；The end of the clearance space is equipped with pressure sensor and liquid level sensor；The pressure sensor and liquid level sensor pass through the communications cable and control warning device communication connection；Laid when the buried pressure pipeline is installed according to the direction of the gradient towards the pressure sensor and liquid level sensor not less than 5 ‰, the pressure sensor and liquid level sensor in the clearance space pressure and liquid level variation be measured in real time.The utility model can realize the automatic detection to inner layer pipe and outer layer pipe leakage in the pressure pipeline course of work.
Description
Technical field
The utility model relates to the online inspection technology fields of special equipment pressure pipeline, more particularly to one kind based on online
The buried pressure pipeline of detection.
Background technique
Pressure pipeline is that one kind is related to the biggish special equipment of life safety hazard, pressure pipeline like industrial production and
Townie lifeblood, the medium of conveying often have the larger risk such as inflammable, explosive, toxic, the safety of pressure pipeline with
The no safety for being directly related to industry and city.Conventional metals pipeline is by corrosion outside external soil acidity or alkalinity, bacterium and internal Jie
The internal corrosion of confrontation metallic conduit and electrochemical corrosion etc. influence, and corrosion failure can occur for buried metal pipeline, cause to leak thing
Therefore generation can not find in time since the Metal pipeline corrosion for the underground that is laid in leaks, cause interior media leakage pollution native
Earth, underground water even Fire explosion；The welding of conventional metals pipeline is related to the high risks operation such as site welding open fire, for some
Scene can not the link of fire operation there is biggish limitation, while weld job heavy workload, duty cycle is long, to welding
Operating personnel's body has certain degree of harm, and weld job is constrained by construction condition, and working efficiency is not high.It is therefore desirable to
The novel buried pressure pipeline of on-line checking of one kind is studied to improve to above-mentioned problem.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of buried pressure pipeline based on on-line checking, can be
The automatic detection leaked inner layer pipe and outer layer pipe is realized in the pressure pipeline course of work.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of based on the buried of on-line checking
Pressure pipeline, including inner layer pipe and outer layer pipe, the inner layer pipe are located in outer layer pipe, the inner layer pipe and outer layer
Clearance space is provided between pipeline；The end of the clearance space is equipped with pressure sensor and liquid level sensor；The pressure
Sensor and liquid level sensor pass through the communications cable and control warning device communication connection；The buried pressure pipeline is pressed when installing
Laid according to the direction of the gradient towards the pressure sensor and liquid level sensor not less than 5 ‰, the pressure sensor and
Liquid level sensor in the clearance space pressure and liquid level variation be measured in real time.
The inner layer pipe and outer layer pipe are all made of polyethylene weld into the hole pattern steel band of tubulose as enhancing skeleton.
The inner layer pipe and outer layer pipe can carry out nature according to the radius of curvature for being greater than or equal to 1.5 times of diameters
Bending laying.
The use pressure of the inner layer pipe is 0~0.8MPa, the use of temperature is -40 DEG C to 50 DEG C.
The inner surface of the inner layer pipe is provided with static conductive layer.
The end of the inner layer pipe and outer layer pipe passes through electric fusion joint and other end inner layer pipe and outer layer pipe
Connection.
The upper surface of the minimum point of the clearance space is provided with a pressure sensor, and lower end surface is provided with a liquid level
Sensor.
The nitrogen of 30~60Kpa is filled in the clearance space.
The control warning device is provided with acoustic-optic alarm.
Beneficial effect
Due to the adoption of the above technical solution, the utility model compared with prior art, has the following advantages that and accumulates
Pole effect: the utility model can be under inner layer pipe or outer layer pipe breakage leak condition, by sensor to pressure pipeline
Clearance space carry out pressure and level sensing, and abnormal pressure and liquid level data are analyzed and determined in time, pass through sound-light alarm
The timely alarm of device finds the leakage of buried pipeline in time, greatly improves the safety of buried pressure pipeline.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure, 1 one inner layer pipes, 2 one outer layer pipes, 3 one static conductive layers, 4 one electric fusion joints, 5 one liquid level sensors, 6
One pressure sensor, 7 one control warning devices, 8 one private communication cables, 9 one clearance spaces.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
The embodiments of the present invention is related to a kind of buried pressure pipeline based on on-line checking, includes inner layer pipe
1, outer layer pipe 2, static conductive layer 3, electric fusion joint 4, liquid level sensor 5, pressure sensor 6, control warning device 7, communication line
Cable 8 and clearance space 9.1 inner surface of inner layer pipe is provided with static conductive layer 3, and such electrostatic can be released safely by earthing or grounding means
It puts to underground, to eliminate the risk that Line Static causes fire.Gap sky is provided between inner layer pipe 1 and outer layer pipe 2
Between 9,9 end of clearance space is equipped with pressure sensor 6 and liquid level sensor 5, the pressure sensor 6 and liquid level sensor
5 are communicated to connect by the communications cable 8 and control warning device 7.Inner layer pipe 1, outer layer pipe 2 and another section of inner layer pipe 1,
It is connected between outer layer pipe 2 using electric fusion joint 4, so as to avoid the risk of live welding of getting angry.
Inner layer pipe 1 and outer layer pipe 2 are that the hole pattern steel band of tubulose is welded into using polyethylene as raw material as enhancing bone
Frame, through the tubing for squeezing out composite molding technique production.It is with preferable intensity and corrosion resistance, using pressure≤0.8MPa,
Use temperature: -40 DEG C to 50 DEG C, while also having good flexibility and curvature, inner layer pipe 1 and outer layer pipe 2 can be by
Natural torsion laying is carried out according to the radius of curvature of >=1.5 times of diameters, 1 inner surface of inner layer pipe is provided with static conductive layer.
The buried pressure pipeline must be passed according to the gradient i not less than 5 ‰ towards pressure sensor 6 and liquid level during installation
5 direction of sensor is laid.It can be filled with 30 in the clearance space 9 being arranged between inner layer pipe 1 and outer layer pipe 2~
The nitrogen of 60Kpa.The upper surface of the laying minimum point clearance space 9 is provided with a pressure sensor 6, and lower end surface is provided with
One liquid level sensor 5, pressure sensor 6 and liquid level sensor 5 are connected to control warning device 7 by private communication cable 8,
The alarm of 7 acousto-optic of warning device is controlled, for the leakage situation progress being likely to occur and alarm.
Fluid (being then underground water when outer layer pipe breakage) after can making leakage by adopting the above technical scheme is by gravity
Effect from flowing to minimum point, by the pressure sensor 6 that is set in clearance space 9 and liquid level sensor 5 to clearance space 9 it
In pressure, liquid level variation be measured in real time, 10Kpa or be greater than when detecting that 6 pressure value of pressure sensor is less than
80Kpa repeats supplement nitrogen to 30~60Kpa, when 6 pressure value of pressure sensor is still dropped by less than 10Kpa or is greater than
80Kpa is then judged as that internal layer or outer layer pipe are damaged；If liquid level sensor 5 repeats to have detected liquid level generation, and pressure passes
6 pressure value of sensor is less than 10Kpa or is then judged as that internal layer or outer layer pipe are damaged greater than 80Kpa；It is arranged in different location
Pressure sensor 6 and liquid level sensor 5 pressure and liquid level are detected respectively for leak position, can almost eliminate two
A possibility that a sensor is reported by mistake simultaneously, two sensors complement each other, to make response efficiency and the detection of on-line checking
Accuracy is significantly improved.
Claims (9)
1. a kind of buried pressure pipeline based on on-line checking, including inner layer pipe (1) and outer layer pipe (2), the inner tube
Road (1) is located in outer layer pipe (2), which is characterized in that is provided with gap between the inner layer pipe (1) and outer layer pipe (2)
Space (9)；The end of the clearance space (9) is equipped with pressure sensor (6) and liquid level sensor (5)；The pressure sensor
(6) and liquid level sensor (5) passes through the communications cable (8) and control warning device (7) communication connection；The buried pressure pipeline peace
It is laid when dress according to the direction of the gradient towards the pressure sensor (6) and liquid level sensor (5) not less than 5 ‰, it is described
Pressure sensor (6) and liquid level sensor (5) in the clearance space (9) pressure and liquid level variation be measured in real time.
2. the buried pressure pipeline according to claim 1 based on on-line checking, which is characterized in that the inner layer pipe
(1) and outer layer pipe (2) is all made of polyethylene weld into the hole pattern steel band of tubulose as enhancing skeleton.
3. the buried pressure pipeline according to claim 1 based on on-line checking, which is characterized in that the inner layer pipe
(1) and outer layer pipe (2) can carry out natural torsion laying according to the radius of curvature for being greater than or equal to 1.5 times of diameters.
4. the buried pressure pipeline according to claim 1 based on on-line checking, which is characterized in that the inner layer pipe
(1) use pressure is 0~0.8MPa, the use of temperature is -40 DEG C to 50 DEG C.
5. the buried pressure pipeline according to claim 1 based on on-line checking, which is characterized in that the inner layer pipe
(1) inner surface is provided with static conductive layer (3).
6. the buried pressure pipeline according to claim 1 based on on-line checking, which is characterized in that the inner layer pipe
(1) pass through electric fusion joint (4) with the end of outer layer pipe (2) and connect with other end inner layer pipe and outer layer pipe.
7. the buried pressure pipeline according to claim 1 based on on-line checking, which is characterized in that the clearance space
(9) upper surface of minimum point is provided with a pressure sensor (6), and lower end surface is provided with a liquid level sensor (5).
8. the buried pressure pipeline according to claim 1 based on on-line checking, which is characterized in that the clearance space
(9) nitrogen of 30~60Kpa is filled in.
9. the buried pressure pipeline according to claim 1 based on on-line checking, which is characterized in that the control alarm dress
It sets (7) and is provided with acoustic-optic alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820526723.9U CN208311965U (en) | 2018-04-13 | 2018-04-13 | A kind of buried pressure pipeline based on on-line checking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820526723.9U CN208311965U (en) | 2018-04-13 | 2018-04-13 | A kind of buried pressure pipeline based on on-line checking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311965U true CN208311965U (en) | 2019-01-01 |
Family
ID=64719645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820526723.9U Expired - Fee Related CN208311965U (en) | 2018-04-13 | 2018-04-13 | A kind of buried pressure pipeline based on on-line checking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483903A (en) * | 2020-10-30 | 2021-03-12 | 江苏太湖云计算信息技术股份有限公司 | Pipe network inflow detection method, device and system |
-
2018
- 2018-04-13 CN CN201820526723.9U patent/CN208311965U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483903A (en) * | 2020-10-30 | 2021-03-12 | 江苏太湖云计算信息技术股份有限公司 | Pipe network inflow detection method, device and system |
| CN112483903B (en) * | 2020-10-30 | 2022-04-12 | 江苏太湖云计算信息技术股份有限公司 | Pipe network inflow detection method, device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190101 |