CN109000159A - A kind of line leakage alarm method and its device - Google Patents
A kind of line leakage alarm method and its device Download PDFInfo
- Publication number
- CN109000159A CN109000159A CN201811038362.4A CN201811038362A CN109000159A CN 109000159 A CN109000159 A CN 109000159A CN 201811038362 A CN201811038362 A CN 201811038362A CN 109000159 A CN109000159 A CN 109000159A
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- energy converter
- alarm
- controller
- pressure
- outer tube
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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
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- 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
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention provides a kind of line leakage alarm method and its device, including supersonic guide-wave leakage monitoring system, alarm system and plumbing installation.Plumbing installation includes Outer Tube and interior conduit, inner tube front end is connected with two gaseous nitrogen atmosphere storage tanks respectively, end is connected with reaction kettle, and it is equipped with pressure maintaining valve, Outer Tube is closed at both ends, and it is equipped with safety valve, supersonic guide-wave leakage monitoring system includes excitation energy converter, receives energy converter, route and controller, and controller connects backstage center and carries out real-time monitoring to interior conduit；When controller receives abnormal signal, alarm is sounded an alarm, while controller control pressure maintaining valve is closed, and source nitrogen is cut off, if pressure is more than the critical value of safety valve in Outer Tube, safety valve, which is opened, carries out pressure release.The device utilizes supersonic guide-wave leak detecting, realizes effective detection of industrial nitrogen conveyance conduit leakage, excludes hidden danger in time, has sensitive, convenient, safe advantage.
Description
Technical field
The present invention relates to pipe leakage technical fields, more particularly to a kind of line leakage alarm method and its dress
It sets.
Background technique
In modern chemical production process, the use scope of nitrogen is very extensive, and one side nitrogen is that a variety of chemical industry are anti-
The raw materials for production answered, protection gas of the another aspect nitrogen often as the unstable reaction of other reaction process.But due to nitrogen
Phase it is related to pressure and temperature, temperature is too low or hypertonia nitrogen can liquefy for liquid, the temperature of liquid nitrogen it is minimum to-
209℃.The low abrasion for being likely to result in pipeline is spent in the transmission process medium temperature of liquid nitrogen, is corroded, the leakage of pipeline and flange, spiral shell
The pipe connection portions such as line button and stuffing-box position leaks.Once leakage, which occurs, for pipeline may cause low temperature nitrogen frostbite accident,
The asphyxia of staff, the harm such as environmental pollution.Therefore industrial nitrogen pipeline leakage monitoring must fulfill.
Nowadays in the research of pipeline leakage testing, supersonic guide-wave technology is with it along small, the detection range of propagation path decaying
Extensively, the sound field advantage wide throughout range, becomes the hot spot of defect of pipeline research.The testing principle of ultrasonic guided wave detecting method is to pass through
It motivates energy converter to issue ultrasonic guided wave signals, receives the identification that energy converter carries out defect according to the signal echo of defect, pass through
The size of defect, shape, convenient for the maintenance of later period pipeline are identified from echo.Energy converter and reception is motivated to change supersonic guide-wave
In the selection of energy device, pumping signal decaying is generated using electromagnetic exciting method and receives supersonic guide-wave time with piezo component method slowly
The more accurate advantage of wave signal, the defect map for receiving controller are more accurate.
Summary of the invention
The technical problems to be solved by the present invention are: in order to overcome the problems, such as the pipe leakage in nitrogen pipeline transmission process,
The present invention provides a kind of line leakage alarm method and its device, the leakage detection apparatus being capable of real-time monitoring nitrogen gas delivery-lines
Whether leak, while once discovery leakage will starting warning device and emergency Drain Resistance measure.
The present invention solves its technical problem technical solution to be taken: a kind of pipeline leak monitoring alarm, packet
Include supersonic guide-wave leakage monitoring system, the first gaseous nitrogen atmosphere storage tank and the second gaseous nitrogen atmosphere storage tank and for delivering into reaction
The plumbing installation of kettle, the plumbing installation include Outer Tube and the interior conduit inside Outer Tube；The Outer Tube is located at factory
Room inner and outer ends are closed with interior conduit outer tube wall, and the Outer Tube outer tube wall is located at the outer one end of workshop and is equipped with when Outer Tube internal pressure
The second pressure gauge that the pressure safety valve and external manifold pressure that power is controlled when being more than safe pressure are observed, it is described
Interior conduit is located at the outer one end of workshop and is connected by the first branch pipe(tube) with the first gaseous nitrogen atmosphere storage tank, and said inner tube road is located at workshop
Outer one end is connected by the second branch pipe(tube) with the second gaseous nitrogen atmosphere storage tank, the first branch pipe(tube) and the second branch pipe(tube) and interior conduit
Main pipeline forms Y shape three-port structure, and said inner tube road, which is connected on the duct wall of the first gaseous nitrogen atmosphere storage tank, is arranged first section
Disconnected valve, said inner tube road, which is connected on the duct wall of the second gaseous nitrogen atmosphere storage tank, is arranged the second block valve, said inner tube road position
Main pipeline in one end outside workshop is equipped with the pressure maintaining valve for adjusting pressure and be observed to pressure in said inner tube road the
One pressure gauge；Said inner tube road is located at one end in workshop and is connected with reaction kettle, and pressure is equipped between said inner tube road and reaction kettle
Control valve adjusts the nitrogen for entering the reaction kettle to facilitate.
Further, the supersonic guide-wave leakage monitoring system includes controller, excitation energy converter and receives energy converter, described
Motivate energy converter for the excitation of the supersonic guide-wave in interior conduit, the reception energy converter is for supersonic guide-wave echo in interior conduit
The acquisition of signal；The excitation energy converter motivates generation supersonic guide-wave with electromagnetic exciting method, and the reception energy converter utilizes
Piezo component guarantees the high accuracy of echo come the reception for the reflection echo being monitored.
The controller is connect with energy converter is received, for receiving the supersonic guide-wave echo letter of the reception energy converter acquisition
Number, and the supersonic guide-wave echo-signal is judged, once discovery leakage signal, will can be transferred to after leakage signal immediately
Data are read convenient for operator in backstage center immediately, and generate the defects detection figure of inner tube.
The excitation energy converter is located at said inner tube road and is located at the outer one end pipeline outer wall of workshop, and the reception energy converter is located at
Said inner tube road is located on the outside of the tube wall of one end in workshop, and the excitation energy converter and reception energy converter are respectively positioned in Outer Tube
Portion, the controller are located in workshop, controller output end and excitation energy converter by connection, controller input terminal with connect
Energy converter is received by connection, the route is located at one end in workshop by the Outer Tube and accesses.
It further, further include alarm system, the alarm system includes alarm, the output of the alarm and controller
End is connected, when the controller carries out judgement discovery existing defects to received supersonic guide-wave echo-signal, immediately to institute
Alarm transmission instruction is stated, is alarmed.
Further, the route outer layer anticorrosion and low temperature resistant material package, destroy circuit after preventing helium leak.
A kind of line leakage alarm method, further comprising the steps of including above-mentioned warning device:
Step 1: controller control excitation energy converter issues setpoint frequency value, and the super of setpoint frequency is generated on interior conduit
Guided Waves signal receives supersonic guide-wave echo-signal by reception energy converter, then is transmitted back to controller；
Step 2: after controller receives the supersonic guide-wave echo-signal that reception energy converter is passed back, judging signal,
Once it was found that the supersonic guide-wave echo-signal is abnormal signal backstage center will be transferred to after leakage signal immediately, and generate
The defects detection figure of interior conduit；Simultaneous transmission is instructed to alarm, and the alarm sounds an alarm at once；
Step 3: controller issues the instruction for closing pressure maintaining valve after transmitting alarm command immediately, cuts off source of leaks, real
The now effect of urgent Drain Resistance.
Working principle:
Supplying nitrogen is carried out using inside and outside pipeline, when interior conduit leaks, the nitrogen of spilling can first be full of Outer Tube,
Outer Tube plays the role of that nitrogen is prevented to be directly leaked in atmosphere.
The pressure safety valve that the pressure of Outer Tube is controlled when being more than safe pressure, pressure security valve action is to work as inner tube
After road leaks, prevent interior conduit pressure maintaining valve failure, caused by the excessive generation explosion accident of Outer Tube internal pressure.Work as alarm
When device issues alarm, said inner tube road is located at one end outside workshop will turn off equipped with the pressure maintaining valve for adjusting pressure, guarantee institute
It states in interior conduit and is conveyed without nitrogen.
Controller can supersonic guide-wave echo-signal based on the received, the echo is judged, once discovery leakage letter
Number, it will can be transferred to backstage center after leakage signal immediately, read data immediately convenient for operator, and generate the defect of inner tube
Detection figure, and the type of display pipes defect, size, convenient for the maintenance in said inner tube road.
The invention mainly comprises three parts: first is that, there are outer tube and inner tube, inner tube front end difference in nitrogen pipeline device part
It is connected with the first gaseous nitrogen atmosphere air accumulator and the second gaseous nitrogen atmosphere air accumulator, end is connected with reaction kettle, and is equipped with pressure stabilizing
Valve.Outer tube is closed at both ends, and is equipped with safety valve.Second is that sound superconduction wave leakage monitoring system, by swashing between interior conduit and Outer Tube
It encourages energy converter, receive energy converter, the controller in pipe outside route and pipeline, the backstage center of controller connection and the outer route group of pipe
Can carry out real-time monitoring to interior conduit at, the system, draw the defect map at pipe leakage, for the later period pipeline maintenance provide according to
According to；Third is that alarm system part will assign instruction when controller receives abnormal signal to alarm, alarm is issued
Alarm, while controller control interior conduit pressure maintaining valve is closed, and source nitrogen is cut off, if pressure maintaining valve fails to close in time, and Outer Tube
When interior pressure is more than the critical value of safety valve, safety valve, which is opened, carries out pressure release, prevents pressure in Outer Tube excessive.The device utilizes
Supersonic guide-wave leak detecting realizes effective detection of industrial nitrogen conveyance conduit leakage and excludes hidden danger in time, with sensitiveer,
More convenient, safer advantage.Accomplish that more similar leakage detection apparatus safety coefficient is high, the small advantage of environmental pollution.
The beneficial effects of the present invention are:
1, conveying device of the present invention, which can be realized, directly transports nitrogen, can guarantee the in liberal supply of nitrogen, this hair
Bright monitoring system can be led by the ultrasound of excitation energy converter and reception energy converter and controller composition between inner and outer pipes
Wave detection system carries out real-time monitoring to whether interior conduit occurs leakage.Alarm system of the invention can be spread out of according to controller
Command signal judge, if leaking, sound an alarm at once, while controller can close the pressure maintaining valve of interior conduit, really
Cutting source of leaks is protected, provides good condition for staff's maintenance and inspection, casualties caused by reducing because of helium leak, environment
The harm such as pollution.
2, in inventive pipeline device, Outer Tube is provided with pressure safety valve, can be external by the way that pressure safety valve is arranged
Pipe is effectively protected, i.e., when inner tube leaks, the gas for leaking into outer tube from inner tube will cause the pressure in outer tube
Increase, when pressure is more than the critical value of pressure safety valve in Outer Tube, pressure safety valve can be automatically opened at this time, be let out
Pressure.
3, the excitation energy converter of detection system of the present invention and reception energy converter are utilized respectively electromagnetic exciting method and piezoelectricity member device
Part method can guarantee that pumping signal decaying is slower than general motivational techniques, receive the sensitivity of signal better than other method of reseptances.Make
The supersonic guide-wave echo-signal for being transferred to controller is more accurate, and the above-mentioned signal by obtaining draws defect of pipeline figure, should
Monitoring method is simply, conveniently, effectively.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the overall structure figure of apparatus of the present invention.
Fig. 2 is detection system of the present invention and alarm system functional block diagram.
In figure: 1, first gaseous nitrogen atmosphere storage tank, the 2, second gaseous nitrogen atmosphere storage tank, the 3, first block valve, the 4, second block valve,
5, pressure maintaining valve, 6, first pressure gauge, the 7, first branch pipe(tube), the 8, second branch pipe(tube), 9, second pressure gauge, 10, pressure safety valve,
11, excitation energy converter, 12, Outer Tube, 13, reception energy converter, 14, interior conduit, 15, controller, 16, alarm, 17, route,
18, reaction kettle, 19, pressure-control valve.
Specific embodiment
Presently in connection with attached drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
Basic structure of the invention, therefore it only shows the composition relevant to the invention.
As depicted in figs. 1 and 2, a kind of pipeline leak monitoring alarm of the invention, including supersonic guide-wave leakage monitoring
System, alarm system, the first gaseous nitrogen atmosphere storage tank 1, the second gaseous nitrogen atmosphere storage tank 2 and the pipe for delivering into reaction kettle 18
Road device.
The plumbing installation includes Outer Tube 12 and the interior conduit 14 inside Outer Tube 12；The Outer Tube 12 is located at
Workshop inner and outer ends are closed with 14 outer tube wall of interior conduit, and 12 outer tube wall of Outer Tube is located at the outer one end of workshop equipped with working as outer tube
The pressure safety valve 10 that is controlled and pressure in Outer Tube 12 is observed the when pressure is more than safe pressure in road 12
Two pressure gauges 9, said inner tube road 14 are located at the outer one end of workshop and are connected by the first branch pipe(tube) 7 with the first gaseous nitrogen atmosphere storage tank 1,
Said inner tube road 14 is located at the outer one end of workshop and is connected by the second branch pipe(tube) 8 with the second gaseous nitrogen atmosphere storage tank 2, said inner tube road
First block valve 3 is set on the duct wall of 14 connection the first gaseous nitrogen atmosphere storage tanks 1, said inner tube road 14 is connected to described second
Second block valve 4 is set on the duct wall of gaseous nitrogen atmosphere storage tank 2, and said inner tube road 14 is located on the main pipeline of one end outside workshop
Equipped with the first pressure gauge 6 for adjusting the pressure maintaining valve 5 of pressure and being observed to pressure in said inner tube road 14；Said inner tube road 14
One end is connected with reaction kettle 18 in workshop, and pressure-control valve 19 is equipped between said inner tube road 14 and reaction kettle 18 with convenient
Adjust the nitrogen for entering the reaction kettle 18.
The supersonic guide-wave leakage monitoring system includes controller 15, excitation energy converter 11 and receives energy converter 13, described
Motivate energy converter 11 for the excitation of the supersonic guide-wave in interior conduit 14, the reception energy converter 13 is for ultrasound in interior conduit 14
The acquisition of guided wave echo-signal；The excitation energy converter 11 motivates generation supersonic guide-wave, the reception with electromagnetic exciting method
The reception for the reflection echo that energy converter 13 is monitored using piezo component；
The controller 15 is connect with energy converter 13 is received, the supersonic guide-wave acquired for receiving the reception energy converter 13
Echo-signal, and the supersonic guide-wave echo-signal is judged；
The excitation energy converter 11 is located at said inner tube road 14 and is located at the outer one end pipeline outer wall of workshop, the reception energy converter
13, which are located at said inner tube road 14, is located on the outside of the tube wall of one end in workshop, and the excitation energy converter 11 and reception energy converter 13 are equal
Inside Outer Tube 12, the controller 15 is located in workshop, and 15 output end of controller and excitation energy converter 11 pass through route
17 connections, 15 input terminal of controller are connect with reception energy converter 13 by route 17, and the route 17 is by the Outer Tube 14
It is accessed in one end in workshop.
The alarm system includes alarm 16, and the alarm 16 is connected with the output end of controller 15, when described
When controller 15 carries out judgement discovery existing defects to received supersonic guide-wave echo-signal, transmitted immediately to the alarm 16
Instruction, alarms.The 17 outer layer anticorrosion of route and low temperature resistant material package.
A kind of line leakage alarm method, including above-mentioned warning device, further comprising the steps of:
Step 1: the control excitation energy converter 11 of controller 15 issues setpoint frequency value, and setting frequency is generated on interior conduit 14
The ultrasonic guided wave signals of rate receive supersonic guide-wave echo-signal by reception energy converter 13, then are transmitted back to controller 15；
Step 2: after controller 15 receives the supersonic guide-wave echo-signal that reception energy converter 13 is passed back, signal is carried out
Judgement will be transferred to backstage center once finding that the supersonic guide-wave echo-signal is abnormal signal immediately after leakage signal, and
Generate the defects detection figure of interior conduit 14；Simultaneous transmission is instructed to alarm 16, and the alarm 16 sounds an alarm at once；
Step 3: controller 15 issues the instruction for closing pressure maintaining valve 5 after transmitting alarm command immediately, cuts off source of leaks,
Realize the effect of urgent Drain Resistance.
In the implementation case, which when in use, first adjusts the pressure maintaining valve 5 of 14 one end of interior conduit,
The pressure of interior conduit 14 is set to be stabilized to 1.8MPa, adjusting 10 critical value of Outer Tube safety valve is 1.6MPa.Controller 15 is opened, is adjusted
Section excitation energy converter 11 issues the frequency of 64KHz, records the ultrasonic guided wave signals in interior conduit 14.When pipeline does not leak
When, controller 15 does not receive abnormal signal, and alarm 16 does not sound an alarm.When pipe leakage, controller 15 receives different
Regular signal, and draw out defect of pipeline figure according to multiple abnormal signals, at the same controller 15 issue instruction sound the alarm device and
Instruction is assigned, pressure maintaining valve 5 is closed, cuts off source nitrogen.When 5 failure of pressure maintaining valve, the nitrogen that interior conduit 14 leaks quickly fills with outer
Pipeline 12, when pressure is more than 1.6MPa in Outer Tube 12, Outer Tube safety valve 10 is opened, and releases nitrogen.
In the implementation case.The ultrasonic guided wave detecting method is motivated and is connect by excitation energy converter 11 and reception energy converter 14
The abnormal signal of receipts is analyzed, and is judged, and is sounded an alarm according to judgement selection, and draw defect of pipeline figure, is tieed up for the later period
Offer foundation is provided.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff
Various changes and amendments can be carried out without departing from the scope of the present invention completely.The technical scope of this invention is not
The content being confined on specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (5)
1. a kind of pipeline leak monitoring alarm, it is characterised in that: including supersonic guide-wave leakage monitoring system, the first gaseous nitrogen
Gas storage tank (1) and the second gaseous nitrogen atmosphere storage tank (2) and the plumbing installation for delivering into reaction kettle (18), the pipeline dress
It sets including Outer Tube (12) and is located at Outer Tube (12) internal interior conduit (14)；The Outer Tube (12) is located at two inside and outside workshop
End is closed with interior conduit (14) outer tube wall, and Outer Tube (12) outer tube wall is located at the outer one end of workshop and is equipped with when Outer Tube (12)
The pressure safety valve (10) that is controlled and Outer Tube (12) interior pressure is observed the when interior pressure is more than safe pressure
Two pressure gauges (9), said inner tube road (14) are located at the outer one end of workshop and pass through the first branch pipe(tube) (7) and the first gaseous nitrogen atmosphere storage tank
(1) it is connected, said inner tube road (14) are located at the outer one end of workshop and pass through the second branch pipe(tube) (8) and the second gaseous nitrogen atmosphere storage tank (2)
It is connected, said inner tube road (14), which are connected on the duct wall of the first gaseous nitrogen atmosphere storage tank (1), is arranged the first block valve (3),
Said inner tube road (14), which is connected on the duct wall of the second gaseous nitrogen atmosphere storage tank (2), is arranged the second block valve (4), said inner tube
The main pipeline that road (14) is located at one end outside workshop is equipped with the pressure maintaining valve (5) for adjusting pressure and to said inner tube road (14) internal pressure
The first pressure gauge (6) that power is observed；Said inner tube road (14) is located at one end in workshop and is connected with reaction kettle (18), described
It is equipped with pressure-control valve (19) between interior conduit (14) and reaction kettle (18) and adjusts the nitrogen for entering the reaction kettle (18) to facilitate.
2. pipeline leak monitoring alarm as described in claim 1, it is characterised in that: supersonic guide-wave leakage monitoring system
System includes controller (15), excitation energy converter (11) and receives energy converter (13), and the excitation energy converter (11) is used for interior conduit
(14) excitation of the supersonic guide-wave in, it is described to receive energy converter (13) adopting for interior conduit (14) interior supersonic guide-wave echo-signal
Collection；The excitation energy converter (11) motivates generation supersonic guide-wave with electromagnetic exciting method, and the reception energy converter (13) utilizes
Piezo component is come the reception for the reflection echo being monitored；
The controller (15) connect with energy converter (13) are received, and the ultrasound for receiving reception energy converter (13) acquisition is led
Wave echo-signal, and the supersonic guide-wave echo-signal is judged；
The excitation energy converter (11) is located at said inner tube road (14) and is located at the outer one end pipeline outer wall of workshop, the reception energy converter
(13) it is located at said inner tube road (14) to be located on the outside of the tube wall of one end in workshop, and the excitation energy converter (11) and reception transducing
Device (13) is respectively positioned on Outer Tube (12) inside, and the controller (15) is located in workshop, and controller (15) output end is changed with excitation
Energy device (11) is connected by route (17), and controller (15) input terminal is connect with reception energy converter (13) by route (17), institute
It states route (17) and one end access in workshop is located at by the Outer Tube (14).
3. pipeline leak monitoring alarm as claimed in claim 2, it is characterised in that: it further include alarm system, the report
Alert system includes alarm (16), and the alarm (16) is connected with the output end of controller (15), when the controller
(15) when carrying out judgement discovery existing defects to received supersonic guide-wave echo-signal, refer to immediately to the alarm (16) transmission
It enables, alarms.
4. pipeline leak monitoring alarm as claimed in claim 3, it is characterised in that: route (17) the outer layer anti-corrosion
Erosion and low temperature resistant material wrap up.
5. a kind of line leakage alarm method, it is characterised in that: including the described in any item alarm dresses of claim 1-4
It sets, further comprising the steps of:
Step 1: controller (15) control excitation energy converter (11) issues setpoint frequency value, and setting is generated on interior conduit (14)
The ultrasonic guided wave signals of frequency receive supersonic guide-wave echo-signal by reception energy converter (13), then are transmitted back to controller (15)；
Step 2: after controller (15) receives the supersonic guide-wave echo-signal that reception energy converter (13) is passed back, signal is carried out
Judgement will be transferred to backstage center once finding that the supersonic guide-wave echo-signal is abnormal signal immediately after leakage signal, and
Generate the defects detection figure of interior conduit (14)；Simultaneous transmission, which instructs, gives alarm (16), and the alarm (16) issues police at once
Report；
Step 3: controller (15) issues the instruction for closing pressure maintaining valve (5) after transmitting alarm command immediately, cuts off source of leaks,
Realize the effect of urgent Drain Resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038362.4A CN109000159A (en) | 2018-09-06 | 2018-09-06 | A kind of line leakage alarm method and its device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038362.4A CN109000159A (en) | 2018-09-06 | 2018-09-06 | A kind of line leakage alarm method and its device |
Publications (1)
| Publication Number | Publication Date |
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| CN109000159A true CN109000159A (en) | 2018-12-14 |
Family
ID=64590486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811038362.4A Pending CN109000159A (en) | 2018-09-06 | 2018-09-06 | A kind of line leakage alarm method and its device |
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| CN (1) | CN109000159A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295345A (en) * | 2021-05-08 | 2021-08-24 | 广西防城港核电有限公司 | Method for detecting leakage point of inner pipe of double-wall pipe |
| CN114199478A (en) * | 2021-12-13 | 2022-03-18 | 深圳市前海三安盛科技有限公司 | Leakage detection method and system |
| CN117782457A (en) * | 2024-02-28 | 2024-03-29 | 中国电建集团西北勘测设计研究院有限公司 | Sealing layer leakage monitoring device for high-pressure gas reservoir |
-
2018
- 2018-09-06 CN CN201811038362.4A patent/CN109000159A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295345A (en) * | 2021-05-08 | 2021-08-24 | 广西防城港核电有限公司 | Method for detecting leakage point of inner pipe of double-wall pipe |
| CN114199478A (en) * | 2021-12-13 | 2022-03-18 | 深圳市前海三安盛科技有限公司 | Leakage detection method and system |
| CN117782457A (en) * | 2024-02-28 | 2024-03-29 | 中国电建集团西北勘测设计研究院有限公司 | Sealing layer leakage monitoring device for high-pressure gas reservoir |
| CN117782457B (en) * | 2024-02-28 | 2024-06-04 | 中国电建集团西北勘测设计研究院有限公司 | Sealing layer leakage monitoring device for high-pressure gas reservoir |
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