CN109404742A - Gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device, method - Google Patents
Gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device, method Download PDFInfo
- Publication number
- CN109404742A CN109404742A CN201811555343.9A CN201811555343A CN109404742A CN 109404742 A CN109404742 A CN 109404742A CN 201811555343 A CN201811555343 A CN 201811555343A CN 109404742 A CN109404742 A CN 109404742A
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- valve
- pipeline
- pressure
- pressure transmitter
- alarming
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Classifications
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- 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
- F17D5/02—Preventing, monitoring, or locating loss
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- 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
Abstract
The invention discloses a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and protective devices, and the monitoring alarm being made of by-pass line, impulse pipeline, pressure transmitter, controller and other pipeline valves and equipment is installed in gas pipeline valve chamber main pipeline upstream and downstream.The invention also discloses a kind of gas pipeline valve chamber main pipeline booster monitoring, alarmings and guard method to be monitored to the pressure value of gas pipeline, and compared with preset value, the measure of alarm and protection is then taken gas pipeline booster situation more than setting value.The invention has the benefit that by the way that gas pipeline valve chamber main pipeline booster monitoring, alarming protective device is arranged in gas pipeline main line; and according to booster monitoring, alarming guard method; energy is more acurrate, timely monitors the booster leakage of gas pipeline; and it takes measures that emergency pipe line is isolated; gas pipeline operational safety and periphery personnel and property safety are improved, serious environmental pollution and the generation of safety accident are avoided.
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 protective device, method.
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 alarm velocity more in time, the higher device and method of accuracy rate, solve existing natural gas line can not carry out booster detection report
The problem of alert and setting leakage alarm but false alarm caused by by pressure reduction when pipeline peak regulation.
The present invention provides a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device, the device packets
Include: main pipeline sets gradually threeway A, block valve for pipeline and threeway B thereon, and the block valve for pipeline passes through cable and connects
The connection of line case；
By-pass line, one end are connect by valve C with the threeway A, and the other end of the by-pass line passes through valve D
It is connect with the threeway B, valve E is set between the valve C and valve D, spare interface is set on the by-pass line, and
Valve F is installed, the valve F is in normally off at the spare interface；
Impulse pipeline A, one end is connected on the by-pass line between the threeway A and valve C by valve A1, another
End is connected on the block valve for pipeline by valve A2, is arranged on the impulse pipeline between the valve A1 and the valve A2
Pressure transmitter A1 and pressure transmitter A2, the pressure transmitter A1 and the pressure transmitter A2 pass through gauge valve A1 respectively
It is connect with gauge valve A2 with the impulse pipeline A, and the pressure transmitter A1 and the pressure transmitter A2 pass through electricity respectively
Cable is connect with the junction box；
Impulse pipeline B, one end is connected on the by-pass line between the threeway B and valve D by valve B1, another
End is connected on the block valve for pipeline by valve B2；It is arranged on impulse pipeline between the valve B1 and the valve B2
Pressure transmitter B1 and pressure transmitter B2, the pressure transmitter B1 and the pressure transmitter B2 pass through gauge valve B1 respectively
It is connect with gauge valve B2 with the impulse pipeline B, and the pressure transmitter B1 and the pressure transmitter B2 pass through electricity respectively
Cable is connect with the junction box；
Controller comprising data module, computing module, alarm module and execution module, the controller input terminal with
By cable connection, the alarm module output end is electrically connected the junction box with warning device, the execution module with it is described
The executing agency of block valve for pipeline connects.
As further improvement of the invention, the by-pass line is connect by valve G with high pressure blow-down pipe.
As further improvement of the invention, instrument root valve is set between the gauge valve A1 and the impulse pipeline A
Instrument root valve A2, the gauge valve B1 and the impulse pipeline are set between A1, the gauge valve A2 and the impulse pipeline A
Instrument root valve B1 is set between B, instrument root valve B2 is set between the gauge valve B2 and the impulse pipeline B.
As further improvement of the invention, the pressure transmitter A1, pressure transmitter A2, pressure transmitter B1 and pressure
A pressure gauge on the spot is separately connected on power transmitter B2.
As further improvement of the invention, the block valve for pipeline is pneumatic operated valve.
As further improvement of the invention, it is respectively provided on the alarm module and the execution module and program is turned off manually
Button.
The present invention also provides a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and guard method, this method packets
Include following steps:
Step 1: the controller of starting gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device；
Step 2: the pressure drop of gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device is set on the controller
Rate critical value is Δ Psp；Pressure drop rate judges the time continuously for n seconds, and n is 5 integral multiple；Alarm time-delay action is T
Second；
Step 3: opening by-pass line upstream valve A1, the instrument between pressure transmitter A1 and pressure transmitter A2 respectively
Table valve A1, gauge valve A2, instrument root valve A1 and instrument root valve A2, open by-pass line downstream respectively with pressure transmitter B1
Valve B1, gauge valve B1, gauge valve B2, instrument root valve B1 and instrument root valve B2 between pressure transmitter B2, simultaneously
Start the timing program of controller, pressure transmitter A1, pressure transmitter A2, pressure transmitter B1 and pressure transmitter B2 acquisition
Pressure signal be transmitted through the cable to controller, the time tag of controller record sampling；
Step 4: controller calculates the average value P of four sampled pressures in pressure transmitter n seconds by formula (1)i,
Wherein, Pt: t moment sampled pressure；Pi: the average value of four sampled pressures in pressure transmitter n seconds；
Step 5: controller calculates 60 seconds before and after four pressure transmitters pressure drop rates by formula (2),
Wherein, Pt: t moment sampled pressure；ΔPi: pressure drop rate；
Step 6: controller judges Δ PspWith Δ PiSize, and record pressure drop rate continuously at the beginning of super setting value number k, k
Initial value is 0,
As Δ Pi≥ΔPspWhen, the value of k adds 1；
As Δ Pi< Δ PspWhen, the value of k is initialized as 0；
Step 7: controller judges the size of pressure drop rate continuously super setting value number k and continuous sampling frequency n/5: whenWhen, issue alarm；
Step 8: after controller issues alarm, starting alarm deferred action timer starts timing, if someone during timing
To intervene, then deferred action timer of alarming stops timing and resets；
Step 9: when reaching T seconds when alarm deferred action timer, the execution module control of controller is closed at booster
The block valve for pipeline of upstream and downstream, valve C, valve D and valve E on by-pass line are opened, and emergency pipe line is isolated, and alarm delay is dynamic
Make timer clearing, closes alarm deferred action timer.
Improved as of the invention further, in step 8, human intervention include be turned off manually controller alarm module and
Program pushbutton is turned off manually in execution module.
Improved as of the invention further, be turned off manually alarm module program pushbutton is turned off manually after, alarm delay
Movement timer resets and stops working, and the into or out station ESDV valve in emergency pipe line direction is automatically closed, and emergency pipe line is isolated.
Improved as of the invention further, be turned off manually execution module program pushbutton is turned off manually after, alarm maintains,
Valve-closing program is shielded.
The invention has the benefit that being monitored by the way that gas pipeline valve chamber main pipeline booster is arranged in gas pipeline main line
Alarm and protective device, and according to booster monitoring, alarming and guard method, energy is more acurrate, timely monitors the quick-fried of gas pipeline
Pipe leakage, and take measures that emergency pipe line is isolated, gas pipeline operational safety and periphery personnel and property safety are improved, is avoided
Cause serious environmental pollution and the generation of safety accident.
Detailed description of the invention
Fig. 1 is a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device described in the embodiment of the present invention
Structural schematic diagram；
Fig. 2 is a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and guard method described in the embodiment of the present invention
Flow chart.
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, valve C；9, valve D；10, valve E；11, valve F；12, valve A1；13, valve A2；14, valve B2；15, valve
B1；16, pressure transmitter A1；17, pressure transmitter A2；18, pressure transmitter B1；19, pressure transmitter B2；20, gauge valve
A1；21, gauge valve A2；22, gauge valve B1；23, gauge valve B2；24, instrument root valve A1；25, instrument root valve A2；26, instrument
Table root valve B1；27, instrument root valve B2；28, junction box；29, valve G.
Specific embodiment
The present invention is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment 1, as shown in Figure 1, a kind of gas pipeline valve chamber main pipeline booster monitoring described in the embodiment of the present invention
Alarm and protective device, the device include:
Main pipeline 1 sets gradually threeway A2, block valve for pipeline 3 and threeway B 4 thereon, and the block valve for pipeline 3 is logical
Cable is crossed to connect with junction box 28；
By-pass line 5, one end are connect by valve C 8 with threeway A 2, and the other end of the by-pass line passes through valve
D 9 is connect with the threeway B 4, and valve E 10 is arranged between valve C 8 and valve D 9, and setting is reserved on by-pass line 5 connects
Mouthful, and valve F 11 is installed at spare interface, valve F 11 is in normally off；
Impulse pipeline A 6, one end are connected to the by-pass line 5 between threeway A 2 and valve C 8 by valve A1 12
On, the other end is connected on block valve for pipeline 3 by valve A2 13, the impulse pipeline between valve A1 12 and valve A2 13
Upper setting pressure transmitter A1 16 and pressure transmitter A2 17, pressure transmitter A1 16 and pressure transmitter A2 17 lead to respectively
It crosses gauge valve A1 20 and gauge valve A2 21 to connect with impulse pipeline A 6, and pressure transmitter A1 16 and pressure transmitter A2
17 are connect by cable with 28 junction boxes respectively；
Impulse pipeline B 7, one end are connected to the by-pass line 5 between threeway B 4 and valve D 9 by valve B1 15
On, the other end is connected on block valve for pipeline 3 by valve B2 14；Impulse pipeline between valve B1 15 and valve B2 14
Upper setting pressure transmitter B1 18 and pressure transmitter B2 19, pressure transmitter B1 18 and pressure transmitter B2 19 lead to respectively
It crosses gauge valve B1 22 and gauge valve B2 23 to connect with the impulse pipeline B 7, and pressure transmitter B1 18 and pressure transmitter
B2 19 is connect by cable with junction box 28 respectively；
Controller comprising data module, computing module, alarm module and execution module, the controller input terminal with
Junction box 28 is electrically connected by cable connection, alarm module output end with warning device, execution module and block valve for pipeline 28
Executing agency's connection.Data module receives the pressure value that four pressure transmitters measure by data-interface, and pressure value is defeated
It arrives computing module out to be calculated, analyzed, the condition that the output result of computing module is triggered as alarm module and execution module.
Further, by-pass line 5 is connect by valve G 29 with high pressure blow-down pipe.
Further, instrument root valve A1 24, gauge valve A2 21 are set between gauge valve A1 20 and impulse pipeline A 6
Instrument root valve A2 25 is set between impulse pipeline A 6, instrument root is set between gauge valve B1 22 and impulse pipeline B 7
Instrument root valve B2 27 is set between valve B1 26, gauge valve B2 23 and impulse pipeline B 7.
Further, pressure transmitter A1 16, pressure transmitter A2 17, pressure transmitter B1 18 and pressure transmitter
It is separately connected a pressure gauge on the spot on B2 19, facilitate detection and checks the pressure of 3 upstream and downstream of block valve for pipeline.
Further, block valve for pipeline 3 is pneumatic operated valve.
Further, it is respectively provided in alarm module and the execution module and program pushbutton is turned off manually, can manually controlled
Warning device and linked protector, convenient for the inspection of operator's pipeline and confirmation problem.
As shown in Fig. 2, the present invention also provides a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming and protection sides
Method, method includes the following steps:
Step 1: the controller of starting gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device；
Step 2: the pressure drop of gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device is set on the controller
Rate critical value is Δ Psp；Pressure drop rate judges the time continuously for n seconds, and n is 5 integral multiple；Alarm time-delay action is T
Second；
Step 3: opening by-pass line upstream valve A1, the instrument between pressure transmitter A1 and pressure transmitter A2 respectively
Table valve A1, gauge valve A2, instrument root valve A1 and instrument root valve A2, open by-pass line downstream respectively with pressure transmitter B1
Valve B1, gauge valve B1, gauge valve B2, instrument root valve B1 and instrument root valve B2 between pressure transmitter B2, simultaneously
Start the timing program of controller, pressure transmitter A1, pressure transmitter A2, pressure transmitter B1 and pressure transmitter B2 acquisition
Pressure signal be transmitted through the cable to controller, the time tag of controller record sampling；
Step 4: controller calculates the average value P of four sampled pressures in pressure transmitter n seconds by formula (1)i,
Wherein, Pt: t moment sampled pressure；Pi: the average value of four sampled pressures in pressure transmitter n seconds；
Step 5: controller calculates 60 seconds before and after four pressure transmitters pressure drop rates by formula (2),
Wherein, Pt: t moment sampled pressure；ΔPi: pressure drop rate；
Step 6: controller judges Δ PspWith Δ PiSize, and record pressure drop rate continuously at the beginning of super setting value number k, k
Initial value is 0,
As Δ Pi≥ΔPspWhen, the value of k adds 1；
As Δ Pi< Δ PspWhen, the value of k is initialized as 0；
Step 7: controller judges the size of pressure drop rate continuously super setting value number k and continuous sampling frequency n/5: whenWhen, issue alarm；
Step 8: after controller issues alarm, starting alarm deferred action timer starts timing, if someone during timing
To intervene, then deferred action timer of alarming stops timing and resets；
Step 9: when reaching T seconds when alarm deferred action timer, the execution module control of controller is closed at booster
Emergency pipe line and yard is isolated in the block valve for pipeline of upstream and downstream, and alarm deferred action timer is reset, and closes alarm deferred action
Timer.
Further, in step 8, human intervention include be turned off manually controller alarm module and execution module it is manual
Bolt down procedure button.
Further, be turned off manually alarm module program pushbutton is turned off manually after, alarm deferred action timer reset
And stop working, the into or out station ESDV valve in emergency pipe line direction is automatically closed, emergency pipe line and yard is isolated.
Further, be turned off manually execution module program pushbutton is turned off manually after, alarm maintain, valve-closing program quilt
Shielding.
When specifically used:
When being full of high-pressure natural gas in gas pipeline, if some place cracks or fractures, at this point, under at that point
Gas in the pipeline of trip will largely let out from the point, causes the pressure of upstream and downstream pipeline to reduce rapidly, passes through gas transmission
Two pressure transmitters that the by-pass line upstream and downstream of pipeline valve chamber main pipeline booster monitoring, alarming and protective device is respectively arranged
The pressure value of pipeline is detected, controller data module receives pressure value and calculates line pressure value and Trimetaphan by computing module
Rate, and by being compared with preset pressure drop rate critical value, when pressure drop rate is in the sampling time for continuously judging the time
Preset pressure drop rate critical value is all larger than in number, alarm module, which issues, alarms and opens alarm deferred action timer,
Site operation people can carry out secondary-confirmation to issue pipeline during alarm, and judge whether that report is turned off manually according to the actual situation
Alert deferred action timer continues to verify to whether go wrong to pipeline, and operator can also be turned off manually at this time
Program pushbutton is turned off manually in execution module, prevents the line that upstream and downstream at booster is closed for executing agency caused by false alarm
Road block valve influences the normal operation of gas transmission line；Confirm in no personnel or has confirmed that alarm is delayed when going wrong
Reach the preset upper limit (such as being set as 120 seconds) when acting timer, controller execution module can be automatically controlled and be held
Row mechanism closes the block valve for pipeline of upstream and downstream at booster, and emergency pipe line and yard is isolated, and the deferred action timer that will alarm
It resets, close alarm deferred action timer.
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 protective device, which is characterized in that the device 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 (28)；
By-pass line (5), one end are connect by valve C (8) with the threeway A (2), the other end of the by-pass line (5)
It is connect by valve D (9) with the threeway B (4), valve E (10) is set between the valve C (8) and valve D (9), the side
Spare interface is set on road pipeline (5), and valve F (11) are installed at the spare interface, the valve F (11) is in normally closed
State；
Impulse pipeline A (6), one end are connected to the side between the threeway A (2) and the valve C (8) by valve A1 (12)
On road pipeline (5), the other end is connected on the block valve for pipeline (3) by valve A2 (13), the valve A1 (12) and institute
It states and pressure transmitter A1 (16) and pressure transmitter A2 (17) is set on the impulse pipeline between valve A2 (13), the pressure becomes
Send device A1 (16) and the pressure transmitter A2 (17) respectively by gauge valve A1 (20) and gauge valve A2 (21) and the impulse
Pipeline A (6) connection, and the pressure transmitter A1 (16) and the pressure transmitter A2 (17) are connect by cable with described respectively
Line case (28) connection；
Impulse pipeline B (7), one end are connected to the side between the threeway B (4) and the valve D (9) by valve B1 (15)
On road pipeline (5), the other end is connected on the block valve for pipeline (3) by valve B2 (14)；The valve B1 (15) and institute
It states and pressure transmitter B1 (18) and pressure transmitter B2 (19) is set on the impulse pipeline between valve B2 (14), the pressure becomes
Send device B1 (18) and the pressure transmitter B2 (19) respectively by gauge valve B1 (22) and gauge valve B2 (23) and the impulse
Pipeline B (7) connection, and the pressure transmitter B1 (18) and the pressure transmitter B2 (19) are connect by cable with described respectively
Line case (28) connection；
Controller comprising data module, computing module, alarm module and execution module, the controller input terminal with it is described
By cable connection, the alarm module output end is electrically connected junction box (28) with warning device, the execution module with it is described
The executing agency of block valve for pipeline (3) connects.
2. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and protective device, special
Sign is that the by-pass line (5) is connect by valve G (29) with high pressure blow-down pipe.
3. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and protective device, special
Sign is, instrument root valve A1 (24) is arranged between the gauge valve A1 (20) and the impulse pipeline A (6), the gauge valve
Instrument root valve A2 (25) are set between A2 (21) and the impulse pipeline A (6), the gauge valve B1 (22) and the pressure guiding pipe
Instrument root valve B1 (26) are set between line B (7), instrument is set between the gauge valve B2 (23) and the impulse pipeline B (7)
Root valve B2 (27).
4. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and protective device, special
Sign is, the pressure transmitter A1 (16), the pressure transmitter A2 (17), the pressure transmitter B1 (18) and the pressure
A pressure gauge on the spot is separately connected on power transmitter B2 (19).
5. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and protective device, special
Sign is that the block valve for pipeline (3) is pneumatic operated valve.
6. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 1 and protective device, special
Sign is, is respectively provided on the alarm module and the execution module and program pushbutton is turned off manually.
7. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming a kind of as described in claim 1 and guard method,
It is characterized in that, method includes the following steps:
Step 1: the controller of starting gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device；
Step 2: the pressure drop rate of gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device is set on the controller
Critical value is Δ Psp；Pressure drop rate judges the time continuously for n seconds, and n is 5 integral multiple；Time-delay action of alarming is T seconds；
Step 3: opening by-pass line upstream valve A1, the gauge valve between pressure transmitter A1 and pressure transmitter A2 respectively
A1, gauge valve A2, instrument root valve A1 and instrument root valve A2, open by-pass line downstream respectively with pressure transmitter B1 and pressure
Valve B1, gauge valve B1, gauge valve B2, instrument root valve B1 and instrument root valve B2 between power transmitter B2, start simultaneously
The timing program of controller, the pressure of pressure transmitter A1, pressure transmitter A2, pressure transmitter B1 and pressure transmitter B2 acquisition
Force signal is transmitted through the cable to controller, the time tag of controller record sampling；
Step 4: controller calculates the average value P of four sampled pressures in pressure transmitter n seconds by formula (1)i,
Wherein, Pt: t moment sampled pressure；Pi: the average value of four sampled pressures in pressure transmitter n seconds；
Step 5: controller calculates 60 seconds before and after four pressure transmitters pressure drop rates by formula (2),
Wherein, Pt: t moment sampled pressure；Δ Pi: pressure drop rate；
Step 6: controller judges Δ PspWith Δ PiSize, and record pressure drop rate continuously super setting value number k, k initial value
It is 0,
As Δ Pi≥ΔPspWhen, the value of k adds 1；
As Δ Pi< Δ PspWhen, the value of k is initialized as 0；
Step 7: controller judges the size of pressure drop rate continuously super setting value number k and continuous sampling frequency n/5: when
When, issue alarm；
Step 8: after controller issues alarm, starting alarm deferred action timer starts timing, if having during timing artificial dry
In advance, then deferred action timer of alarming stops timing and resets；
Step 9: when reaching T seconds when alarm deferred action timer, the execution module control of controller is closed above and below at booster
Emergency pipe line and yard is isolated in the block valve for pipeline of trip, and alarm deferred action timer is reset, and closes alarm deferred action timing
Device.
8. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 7 and guard method, special
Sign is, in step 8, human intervention include be turned off manually controller alarm module and execution module be turned off manually program by
Button.
9. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 8 and guard method, special
Sign is, be turned off manually alarm module program pushbutton is turned off manually after, alarm deferred action timer resets and stops working,
The into or out station ESDV valve in emergency pipe line direction is automatically closed, emergency pipe line and yard is isolated.
10. a kind of gas pipeline valve chamber main pipeline booster monitoring, alarming according to claim 8 and protective device make
With method, which is characterized in that be turned off manually execution module program pushbutton is turned off manually after, alarm maintain, valve-closing program
It is shielded.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811555343.9A CN109404742B (en) | 2018-12-18 | 2018-12-18 | Gas pipeline valve chamber trunk pipeline pipe burst monitoring, alarming and protecting device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811555343.9A CN109404742B (en) | 2018-12-18 | 2018-12-18 | Gas pipeline valve chamber trunk pipeline pipe burst monitoring, alarming and protecting device and method |
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| CN113324696A (en) * | 2021-06-22 | 2021-08-31 | 中国核动力研究设计院 | Back-flushing isolation device of nuclear reactor differential pressure and pressure transmitter and maintenance method |
| CN114413099A (en) * | 2022-01-27 | 2022-04-29 | 国家石油天然气管网集团有限公司 | Natural gas pipeline valve chamber emergency repair operation method and emergency repair operation device |
| CN115095798A (en) * | 2022-06-08 | 2022-09-23 | 盐城旭东机械有限公司 | High-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and system |
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Address after: 100120 Beijing Xicheng District six laying Kang 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 Beijing Xicheng District six laying Kang 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: 20200622 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CHINA PETROLEUM PIPELINE ENGINEERING Co.,Ltd. Applicant after: CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100120 Beijing Xicheng District six laying Kang 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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