CN109386738A - A kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and interlock protection device - Google Patents
A kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and interlock protection device Download PDFInfo
- Publication number
- CN109386738A CN109386738A CN201811551126.2A CN201811551126A CN109386738A CN 109386738 A CN109386738 A CN 109386738A CN 201811551126 A CN201811551126 A CN 201811551126A CN 109386738 A CN109386738 A CN 109386738A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 16
- 230000006872 improvement Effects 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000003345 natural gas Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Fluid Pressure (AREA)
- Pipeline Systems (AREA)
Abstract
The invention discloses a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and interlock protection device, which includes: the main pipeline for being provided with threeway A, block valve for pipeline and threeway B；Impulse pipeline A and impulse pipeline B is arranged on by-pass line for the by-pass line that both ends are connect with threeway A and threeway B respectively；One end of impulse pipeline A is connect with by-pass line upstream, and the other end is connect with block valve for pipeline；One end of impulse pipeline B and by-pass line downstream connection, the other end are connect with block valve for pipeline；Several pressure-detecting devices are respectively set on impulse pipeline A and impulse pipeline B, several pressure-detecting devices and block valve for pipeline are connect via junction box with controller, and controller calculates on-site test value and judges whether to take safeguard measure.The invention has the benefit that generation and the alarm of main pipeline booster in time, can be monitored accurately, and safeguard measure isolation emergency pipe line and yard are taken, improves gas pipeline and periphery personnel and property safety.
Description
Technical field
The present invention relates to pipe-line system technical fields, in particular to a kind of gas pipeline valve chamber main pipeline booster
Monitoring, alarming and interlock protection device.
Background technique
During conduit running, due to corrosive pipeline, damage from third-party, construction quality etc., cause natural gas tube
Road rupture is broken and causes natural gas leakage, finally ferments olefiant gas pipe safety accident, causes very to society and enterprise
Big adverse effect, more the security of the lives and property to the pipeline people, which is brought, seriously threatens.If grasped not in time
Whether pipeline the relevant informations such as cracks or fractures, and is handled in time, will lead to damage sequence and constantly aggravate, causes serious ring
Border pollution and the great person and property loss.
The gas pipeline as caused by corrosive pipeline, damage from third-party, construction quality etc. is revealed, since natural gas is
Compressible fluid, previous engineering can not carry out leakage monitoring with the method for oil pipeline, and it is different in appearance to cannot achieve transportation system
Emergency cut-off and station in normal situation emergency shutdown function out of the station cause human eye ought only occur observable natural
When the major accidents such as gas leakage, fire or explosion, relevant issues could be found.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide a kind of main pipeline booster prisons for making gas pipeline valve chamber
Survey more timely alarm velocity, the higher device of accuracy rate, raising gas pipeline and periphery personnel and property safety.
The present invention provides a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and interlock protection device, the devices
Include: main pipeline, set gradually threeway A, block valve for pipeline and threeway B thereon, and the block valve for pipeline by cable with
Junction box's connection；
By-pass line, both ends are connect with the threeway A and the threeway B respectively, and valve is arranged on the bypass duct,
And it is connect with high pressure blow-down pipe；
Impulse pipeline A, one end are connect with the by-pass line upstream, and the other end is connect with the block valve for pipeline, institute
It states and several pressure-detecting devices is set on impulse pipeline A, several pressure-detecting devices pass through gauge valve and the pressure guiding pipe respectively
Line A connection, and several pressure-detecting devices pass through cable respectively and connect with the junction box；
Impulse pipeline B, one end are connect with the block valve for pipeline, the other end and the by-pass line downstream connection；Institute
It states and several pressure-detecting devices is set on impulse pipeline B, several pressure-detecting devices pass through gauge valve and the pressure guiding pipe respectively
Line B connection, and several pressure-detecting devices pass through cable respectively and connect with the junction box；
Controller, input terminal are electrically connected with the junction box, the controller output end and the block valve for pipeline
Executing agency's connection.
Improved as of the invention further, several gauge valves pass through respectively instrument root valve and the impulse pipeline A and
The impulse pipeline B connection.
As further improvement of the invention, the high pressure blow-down pipe passes through flanged (FLGD) valve and the by-pass line
Connection.
As further improvement of the invention, the block valve for pipeline is gas-oil valve.
As further improvement of the invention, several pressure-detecting devices are high accuracy pressure transmitter.
As further improvement of the invention, valve B and valve C is respectively set in the upstream and downstream of the by-pass line.
As further improvement of the invention, the impulse pipeline A is connect by valve E with the by-pass line, described
Impulse pipeline A is connect by valve F with the block valve for pipeline；The impulse pipeline B is connected by valve G and the by-pass line
It connects, the impulse pipeline B is connect by valve H with the block valve for pipeline.
As further improvement of the invention, blow-down pipe is set on the by-pass line between the valve B and valve A, institute
Blow-down pipe is stated to connect by valve J with the by-pass line.
As further improvement of the invention, it is respectively set described in two on the impulse pipeline A and the impulse pipeline B
Pressure-detecting device.
As further improvement of the invention, the valve B and the valve C are ball valve.
The invention has the benefit that by the way that by-pass line is arranged on gas pipeline valve chamber main pipeline, and bypassing
Pressure-detecting device is installed on pipeline and monitors piping loss rate value, after pressure drop rate continuously super setting value certain number, is controlled
Device control warning device processed issues the block valve for pipeline of upstream and downstream at alarm and interlocking close booster, isolation emergency pipe line and station
, achieve the purpose that the generation of the main pipeline booster of monitoring gas pipeline valve chamber promptly and accurately and alarm, and takes protection
Emergency pipe line and yard is isolated in measure, improves gas pipeline and periphery personnel and property safety.
Detailed description of the invention
Fig. 1 is a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and interlock protection described in the embodiment of the present invention
The structural schematic diagram of device；
In figure,
1, main pipeline；2, threeway A；3, block valve for pipeline；4, threeway B；5, by-pass line；6, impulse pipeline A；7, impulse
Pipeline B；8, several pressure-detecting devices；9, gauge valve；10, instrument root valve；11, junction box；12, valve A；13, band flange
Valve；14, valve B；15, valve C；16, valve E；17, valve G；18, valve F；19, valve H；20, valve J.
Specific embodiment
The present invention is described in further detail below by specific embodiment and in conjunction with attached drawing.
As shown in Figure 1, a kind of gas pipeline valve chamber main pipeline booster monitoring alarm described in the embodiment of the present invention,
The device includes: main pipeline 1, sets gradually threeway A 2, block valve for pipeline 3 and threeway B 4 thereon, and block valve for pipeline 3 is logical
Cable is crossed to connect with junction box 11；
By-pass line 5, both ends are connect with threeway A 2 and threeway B 4 respectively, are arranged valve on bypass duct 5, and with height
Press blow-down pipe connection；
Impulse pipeline A 6, one end is connect with the upstream of by-pass line 5, and the other end is connect with block valve for pipeline 3, impulse
Several pressure-detecting devices 8 are set on pipeline A 6, and several pressure-detecting devices 8 pass through gauge valve 9 and impulse pipeline A 6 respectively
Connection, and several pressure-detecting devices 8 are connect by cable with junction box 11 respectively；
Impulse pipeline B 7, one end is connect with block valve for pipeline 3, the downstream connection of the other end and by-pass line 5；Impulse
Several pressure-detecting devices 8 are set on pipeline B 7, and several pressure-detecting devices 8 pass through gauge valve 9 and impulse pipeline B 7 respectively
Connection, and several pressure-detecting devices 8 are connect by cable with junction box 11 respectively；
Controller, input terminal are connect with junction box's electricity 11, and the controller output end is held with the block valve for pipeline
The connection of row mechanism.
Further, several gauge valves 9 are connected by instrument root valve 10 and impulse pipeline A 6 and impulse pipeline B 7 respectively
It connects.
Further, high pressure blow-down pipe is connect by flanged (FLGD) valve 13 with by-pass line 5.
Further, block valve for pipeline 3 is gas-oil valve.
Further, several pressure-detecting devices 8 are high accuracy pressure transmitter.
Further, valve B 14 and valve C 15 is respectively set in the upstream and downstream of by-pass line 5, and the setting of valve B 14 is being drawn
Between pressure pipeline A 6 and the junction and valve A 12 of by-pass line 5, valve C 15 is arranged in impulse pipeline B 7 and shunt valve
Between the junction and valve A 12 of line 5.
Further, impulse pipeline A 6 is connect by valve E 16 with by-pass line 5, and impulse pipeline A 6 passes through valve F
18 connect with block valve for pipeline 3；Impulse pipeline B 7 is connect by valve G17 with by-pass line 5, and impulse pipeline B 7 passes through valve
H 19 is connect with block valve for pipeline 3.
Further, blow-down pipe is set on the by-pass line 5 between valve B 14 and valve A 12, blow-down pipe passes through valve
J 20 is connect with by-pass line 5.
Further, two pressure-detecting devices 8 are respectively set on impulse pipeline A 6 and impulse pipeline B 7.
Further, valve B 14 and valve C 15 is ball valve.
When specific works:
When being full of high-pressure natural gas in gas pipeline, if some place cracks or fractures, gas pipeline valve chamber
Main pipeline booster monitoring, alarming and interlock protection device can be reduced rapidly according to the pressure of upstream and downstream pipeline judges that pipeline is
It is no to crack or fracture, while the Position Approximate of leakage point can be positioned using the time difference of upstream and downstream.In use, starting a kind of gas transmission
The pressure drop rate critical value of device, the critical value is arranged in pipeline valve chamber main pipeline booster monitoring, alarming and interlock protection device
Judge reference value as judging one that whether pipeline rupture, when at one continuously using the pressure in the period, on impulse pipeline
The pressure value of detection arrangement monitors is simultaneously fed back to controller, and controller carries out calculating analysis to pressure signal, if pressure value continues
Decline, and fall off rate be greater than preset pressure drop rate critical value and keep continuous downward trend for a period of time after, control
Device processed controls alarm equipment alarm and starts insulation blocking measure, closes the route truncation of gas pipeline valve chamber main pipeline upstream and downstream
Emergency pipe line is isolated in valve.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and interlock protection device, which is characterized in that the device packet
It includes:
Main pipeline (1) sets gradually threeway A (2), block valve for pipeline (3) and threeway B (4), and the block valve for pipeline thereon
(3) it is connect by cable with junction box (11)；
By-pass line (5), both ends are connect with the threeway A (2) and the threeway B (4) respectively, on the bypass duct (5)
It is arranged valve A (12), and is connect with high pressure blow-down pipe；
Impulse pipeline A (6), one end are connect with the by-pass line (5) upstream, and the other end and the block valve for pipeline (3) are even
It connects, is arranged several pressure-detecting devices (8) on the impulse pipeline A (6), several pressure-detecting devices (8) pass through instrument respectively
Valve (9) is connect with the impulse pipeline A (6), and several pressure-detecting devices (8) pass through cable and the junction box (11) respectively
Connection；
Impulse pipeline B (7), one end are connect with the block valve for pipeline (3), and the other end and the by-pass line (5) downstream connect
It connects；It is arranged several pressure-detecting devices (8) on the impulse pipeline B (7), several pressure-detecting devices (8) pass through instrument respectively
Valve (9) is connect with the impulse pipeline B (7), and several pressure-detecting devices (8) pass through cable and the junction box (11) respectively
Connection；
Controller, input terminal are electrically connected with the junction box (11), the controller output end and the block valve for pipeline (3)
Executing agency connection.
2. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and interlock protection device,
It is characterized in that, several gauge valves (9) pass through instrument root valve (10) and the impulse pipeline A (6) and the pressure guiding pipe respectively
Line B (7) connection.
3. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and interlock protection device,
It is characterized in that, the high pressure blow-down pipe is connect by flanged (FLGD) valve (13) with the by-pass line (5).
4. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and interlock protection device,
It is characterized in that, the block valve for pipeline (3) is gas-oil valve.
5. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and interlock protection device,
It is characterized in that, several pressure-detecting devices (8) are high accuracy pressure transmitter.
6. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and interlock protection device,
It is characterized in that, valve B (14) and valve C (15) is respectively set in the upstream and downstream of the by-pass line (5).
7. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and interlock protection device,
It is characterized in that, the impulse pipeline A (6) is connect by valve E (16) with the by-pass line (5), the impulse pipeline A
(6) it is connect by valve F (18) with the block valve for pipeline (3)；The impulse pipeline B (7) passes through valve G (17) and the side
Road pipeline (5) connection, the impulse pipeline B (7) are connect by valve H (19) with the block valve for pipeline (3).
8. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 6 and interlock protection device,
It is characterized in that, blow-down pipe is arranged on by-pass line (5) between the valve B (14) and valve A (12), the blow-down pipe is logical
Valve J (20) is crossed to connect with the by-pass line (5).
9. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and interlock protection device,
It is characterized in that, two pressure-detecting devices are respectively set on the impulse pipeline A (6) and the impulse pipeline B (7)
(8)。
10. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 6 and interlock protection device,
It is characterized in that, the valve B (14) and the valve C (15) are ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551126.2A CN109386738B (en) | 2018-12-18 | 2018-12-18 | Pipe explosion monitoring alarm and interlocking protection device for valve chamber main pipeline of gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551126.2A CN109386738B (en) | 2018-12-18 | 2018-12-18 | Pipe explosion monitoring alarm and interlocking protection device for valve chamber main pipeline of gas pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109386738A true CN109386738A (en) | 2019-02-26 |
| CN109386738B CN109386738B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811551126.2A Active CN109386738B (en) | 2018-12-18 | 2018-12-18 | Pipe explosion monitoring alarm and interlocking protection device for valve chamber main pipeline of gas pipeline |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285326A (en) * | 2019-05-27 | 2019-09-27 | 中国石油天然气集团有限公司 | A kind of fluid pipeline dead oil section pressure relief device and method |
| CN110307474A (en) * | 2019-05-27 | 2019-10-08 | 中国石油天然气集团有限公司 | A kind of fluid pipeline dead oil section pressure relief device |
| CN110307370A (en) * | 2019-05-27 | 2019-10-08 | 中国石油天然气集团有限公司 | A kind of fluid pipeline dead oil section pressure releasing method |
| CN111720745A (en) * | 2019-03-19 | 2020-09-29 | 中国石油天然气股份有限公司 | Cutoff valve chamber risk prevention and control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111720745A (en) * | 2019-03-19 | 2020-09-29 | 中国石油天然气股份有限公司 | Cutoff valve chamber risk prevention and control device |
| CN111720745B (en) * | 2019-03-19 | 2022-06-03 | 中国石油天然气股份有限公司 | Cutoff valve chamber risk prevention and control device |
| CN110285326A (en) * | 2019-05-27 | 2019-09-27 | 中国石油天然气集团有限公司 | A kind of fluid pipeline dead oil section pressure relief device and method |
| CN110307474A (en) * | 2019-05-27 | 2019-10-08 | 中国石油天然气集团有限公司 | A kind of fluid pipeline dead oil section pressure relief device |
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| CN109386738B (en) | 2023-11-14 |
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Address after: 100120 Xicheng District six paw Kang in Beijing City Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: China Petroleum Pipeline Engineering Co.,Ltd. Applicant after: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100120 Xicheng District six paw Kang in Beijing City Applicant before: China National Petroleum Corp. Applicant before: China Petroleum Pipeline Engineering Co.,Ltd. Applicant before: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
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Effective date of registration: 20231019 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: China Petroleum Pipeline Engineering Co.,Ltd. Applicant after: CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100120 Xicheng District six paw Kang in Beijing City Applicant before: CHINA NATIONAL PETROLEUM Corp. Applicant before: China Petroleum Pipeline Engineering Co.,Ltd. Applicant before: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
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