CN114878092B - Leakage monitoring device and monitoring method - Google Patents
Leakage monitoring device and monitoring method Download PDFInfo
- Publication number
- CN114878092B CN114878092B CN202210640411.1A CN202210640411A CN114878092B CN 114878092 B CN114878092 B CN 114878092B CN 202210640411 A CN202210640411 A CN 202210640411A CN 114878092 B CN114878092 B CN 114878092B
- Authority
- CN
- China
- Prior art keywords
- monitoring
- impermeable membrane
- leakage
- central controller
- hdpe impermeable
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
Abstract
The invention discloses a leakage monitoring device and a monitoring method, which relate to the technical field of leakage monitoring, wherein the device comprises: the system comprises a central controller, a plurality of monitoring sensing modules and an HDPE impermeable membrane; the central controller is electrically connected with the plurality of monitoring induction modules, and is used for sending strong current to the plurality of monitoring induction modules and receiving strong current flowing back from the plurality of monitoring induction modules; the monitoring sensing modules respectively penetrate through the HDPE impermeable membrane and are fixedly connected with each other, and each monitoring sensing module is in interference fit with the conductive coating inside the HDPE impermeable membrane; the conductive coating of the HDPE impermeable film is electrically connected with the central controller. The invention can realize the technical effect of monitoring leakage and judging the position of the leakage point in the established refuse landfill.
Description
Technical Field
The invention relates to the technical field of leakage monitoring, in particular to a leakage monitoring device and a leakage monitoring method.
Background
While a large number of domestic garbage sanitary landfill sites exist in China, the existing garbage landfill sites just begin to fill garbage, and sewage flows out of the underground water guide and drainage system, so that the landfill garbage can be turned over to detect and repair the leak of the horizontal seepage prevention system; even some landfill sites can not timely detect and repair the loopholes, so that the leakage amount is large after operation, the surrounding environment is polluted, and the significance of the horizontal seepage prevention system built by huge investment is lost.
In the prior art, the electric leakage monitoring technology of the landfill is mainly a double-electrode method and an electrode grid method, wherein the principles of the two methods are that a closed loop is generated by utilizing leakage points of a geomembrane, and then the leakage is judged by the change of electric potential, and the specific position of the leakage points can be determined by drawing a voltage distribution diagram by the electrode grid method. However, both monitoring methods have respective limitations, and the two-electrode method can be used for judging whether leakage occurs or not, but the position of the leakage point cannot be determined; although the electrode grid method can judge the leakage and determine the position of the spot, the method is not suitable for the constructed landfill site because the whole electrode grid must be put into the landfill unit at the time of construction.
Therefore, how to provide a leakage monitoring device and a monitoring method suitable for monitoring leakage and judging the position of a leakage point in an established landfill is one of the technical problems to be solved in the art.
Disclosure of Invention
In view of this, the present invention provides a leak monitoring apparatus and monitoring method. The purpose is to solve the above-mentioned shortcomings.
In order to solve the technical problems, the invention adopts the following technical scheme:
a leak monitoring device, comprising: the system comprises a central controller, a plurality of monitoring sensing modules and an HDPE impermeable membrane; the central controller is electrically connected with the plurality of monitoring induction modules, and is used for sending strong current to the plurality of monitoring induction modules and receiving strong current flowing back from the plurality of monitoring induction modules; the monitoring sensing modules respectively penetrate through the HDPE impermeable membrane and are fixedly connected with each other, and each monitoring sensing module is in interference fit with the conductive coating inside the HDPE impermeable membrane; the conductive coating of the HDPE impermeable film is electrically connected with the central controller.
Preferably, each monitoring sensing module is provided with an input end and an output end, each input end is respectively and electrically connected with the strong current output end of the central controller, and each output end is respectively and electrically connected with the strong current input end of the central controller.
Preferably, the monitoring sensing module further comprises a first wire, the central controller is electrically connected with a first end of the first wire, and the plurality of monitoring sensing modules are respectively electrically connected with a second end of the first wire.
Preferably, a fixed resistor, a current monitoring sensor and an independent power supply are arranged in each monitoring induction module; the fixed resistor, the current monitoring sensor and the independent power supply are sequentially connected in series, and the fixed resistor is electrically connected with the input end; the current monitoring sensor is electrically connected with the output end; the fixed resistor is used for protecting the monitoring induction module and preventing the strong current which is introduced by the first lead from being burnt out; the current monitoring sensor is used for monitoring the current from the first wire to the HDPE impermeable film; the independent power supply is used for independently sending out electric signals for each monitoring induction module to provide electric energy.
Preferably, the leakage alarm device further comprises an alarm device, wherein the alarm device is connected to the first wire and is used for alarming leakage.
A leak monitoring method, the monitoring method comprising:
s1, paving the HDPE impermeable film at the bottom of a landfill pit;
s2, when leakage occurs, the leakage liquid passes through the HDPE impermeable film, wherein the conductive coating of the HDPE impermeable film is conductive in a leakage area;
s3, strong current of the first lead enters the HDPE impermeable membrane through the monitoring sensing module of the leakage area and flows back to the central controller through the HDPE impermeable membrane to form a closed circuit; and the monitoring sensing module of the leakage area transmits a current signal of the leakage position to the central controller.
Preferably, the monitoring method further comprises: s4, the strong current of the first wire passes through the alarm device to trigger the alarm device to alarm.
Preferably, the monitoring method further comprises: s5, detecting the distance R of strong current passing through the HDPE impermeable film by the monitoring induction module in the leakage area iM Leakage area the monitoring induction module detects the current intensity L of strong current passing through the HDPE impermeable film i 。
Preferably, the monitoring method further comprises: s6, calculating the potential U of the leakage area:
ρ is the resistivity of the clay layer where the monitoring sensing module is located in the leakage area;
n is the number of monitoring sensing modules in the leakage area. Compared with the prior art, the invention has the following technical effects:
1. each monitoring sensing module is fixedly connected with the HDPE impermeable membrane, and the monitoring sensing modules can be driven to move by moving the HDPE impermeable membrane, so that the monitoring sensing modules are beneficial to being applied to any built refuse landfill; the monitoring sensing modules are arranged on the HDPE impermeable membrane in a matching way, so that different positions of the landfill can be monitored and leakage points can be judged;
2. the independent power supply is used for independently sending out electric signals for providing electric energy for each monitoring induction module, so that mutual interference of a plurality of monitoring induction modules is effectively avoided;
3. the alarm device is used for alarming leakage and is helpful for timely finding leakage.
Drawings
FIG. 1 is a schematic view of a leak monitoring apparatus according to the present invention;
FIG. 2 is a schematic diagram showing the cooperation of a monitoring sensing module and an HDPE impermeable film of a leakage monitoring device according to the present invention.
In the figure: 1-a central controller; 2-monitoring the induction module; 3-HDPE barrier film; 4-a first wire; 21-an input; 22-output terminal; 5-alarm device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-2, a leak monitoring apparatus comprising: the monitoring sensing module 2 comprises a central controller 1, a plurality of monitoring sensing modules 2, an HDPE impermeable film 3, a first lead 4 and an alarm device 5, wherein the monitoring sensing modules 2 penetrate through the HDPE impermeable film 3 respectively, each monitoring sensing module 2 is fixedly connected with the HDPE impermeable film 3, and each monitoring sensing module 2 is in interference fit with a conductive coating of the HDPE impermeable film 3. When no leakage occurs, the conductive coating inside the HDPE impermeable film 3 is not conductive, and the sensing module 2 and the HDPE impermeable film 3 are monitored to have no electrical connection relation; when leakage occurs, the conductive coating of the HDPE impermeable film 3 in the leakage area is conductive, and the electric connection relation between the sensing module 2 and the HDPE impermeable film 3 is monitored.
Each monitoring sensing module 2 is provided with an input end 21 and an output end 22, wherein the input end 21 is positioned above the HDPE impermeable membrane 3, and the output end 22 is positioned below the HDPE impermeable membrane 3.
The central controller 1 is electrically connected to the first end of the first wire 4, and the input end 21 of each monitoring sensing module 2 is electrically connected to the second end of the first wire 4, and the central controller 1 provides a strong current to the plurality of monitoring sensing modules 2.
The output 22 of each monitoring sensing module 2 is electrically connected to a high current input of the central controller 1 for high current return.
The inside of each monitoring induction module 2 is provided with a fixed resistor, a current monitoring sensor and an independent power supply, the fixed resistor, the current monitoring sensor and the independent power supply are connected in series in sequence, and the fixed resistor is electrically connected with the input end 21; the current monitoring sensor is electrically connected to the output 22. The fixed resistance of the sensor prevents the monitoring sensing module 2 from being burnt out by the strong current fed by the first lead 4.
Each output 22 is electrically connected to the central controller 1, and its current monitoring sensor monitors the current intensity L of the leakage area strong current passing through the HDPE impermeable film when leakage occurs i L is connected to the output terminal 22 i To the central controller 1.
The independent power supply is used for independently sending out electric signals for each monitoring induction module 2 to provide electric energy, so that the mutual interference of the monitoring induction modules 2 is avoided.
The alarm device 5 is connected to the first wire 4, and the alarm device 5 is used for leakage alarm.
The alarm device 5 is a warning lamp or a warning flute.
A leak monitoring method, comprising:
s1, paving an HDPE impermeable film 3 at the bottom of a landfill pit;
s2, when leakage occurs, the leakage liquid passes through the HDPE impermeable film 3, wherein the conductive coating of the HDPE impermeable film 3 in the leakage area is conductive;
s3, strong current of the first lead 4 enters the HDPE impermeable membrane 3 through the monitoring sensing module 2 of the leakage area and flows back to the central controller 1 through the HDPE impermeable membrane 3 to form a closed circuit; and, the monitoring sensing module (2) of the leakage area transmits a current signal of the leakage position to the central controller (1);
s4, the strong current of the first lead 4 passes through the alarm device 5 to trigger the alarm device 5 to alarm;
s5, detecting the distance R of strong current passing through the HDPE impermeable membrane 3 by the leakage area monitoring sensing module 2 iM The leakage area monitoring sensing module 2 detects the current intensity L of strong current passing through the HDPE impermeable film 3 i ；
S6, calculating the potential U of the leakage area:
ρ is the resistivity of the clay layer where the leakage area monitoring sensing module 2 is located;
n is the number of leakage area monitoring sensing modules 2.
By calculating the potential U, the intensity of the leak can be detected.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.
Claims (6)
1. A leak monitoring apparatus, comprising: the system comprises a central controller (1), a plurality of monitoring sensing modules (2), an HDPE impermeable membrane (3) and a first lead (4); the central controller (1) is electrically connected with the plurality of monitoring induction modules (2), and the central controller (1) is used for sending strong current to the plurality of monitoring induction modules (2) and receiving strong current flowing back from the plurality of monitoring induction modules (2);
the monitoring sensing modules (2) respectively penetrate through the HDPE impermeable membrane (3) and are fixedly connected with each other, the monitoring sensing modules (2) are arranged on the HDPE impermeable membrane (3) from one end close to the central controller (1) to one end far away from the central controller (1), and each monitoring sensing module (2) is in interference fit with a conductive coating in the HDPE impermeable membrane (3);
the conductive coating of the HDPE impermeable film (3) is electrically connected with the central controller (1);
each monitoring sensing module (2) is provided with an input end (21) and an output end (22), each input end (21) is electrically connected with the strong current output end of the central controller (1) respectively, and each output end (22) is electrically connected with the strong current input end of the central controller (1) respectively;
the central controller (1) is electrically connected with the first end of the first lead (4), and the plurality of monitoring sensing modules (2) are respectively electrically connected with the second ends of the first leads (4);
the inside of each monitoring induction module (2) is provided with a fixed resistor, a current monitoring sensor and an independent power supply; the fixed resistor, the current monitoring sensor and the independent power supply are sequentially connected in series, and the fixed resistor is electrically connected with the input end (21); the current monitoring sensor is electrically connected with the output end (22); the fixed resistor is used for protecting the monitoring induction module (2) from being burnt out by the strong current which is introduced by the first lead (4); the current monitoring sensor is used for monitoring the current from the first lead (4) to the HDPE impermeable membrane (3); the independent power supply is used for providing electric energy for each monitoring induction module (2) to independently send out electric signals;
each monitoring induction module (2) is fixedly connected with the HDPE impermeable membrane (3), and the monitoring induction modules (2) can be driven to move by moving the HDPE impermeable membrane (3), so that the monitoring induction modules are beneficial to being applied to any built landfill; and a plurality of monitoring induction modules (2) are matched to be arranged on the HDPE impermeable membrane (3), so that different positions of the landfill can be monitored and leakage points can be judged.
2. A leak monitoring arrangement according to claim 1, further comprising an alarm device (5), said alarm device (5) being connected to said first wire (4), said alarm device (5) being adapted for leak alerting.
3. A leak monitoring method for use with the leak monitoring apparatus of claim 2, the monitoring method comprising:
s1, paving the HDPE impermeable membrane (3) at the bottom of a landfill;
s2, when leakage occurs, leakage liquid passes through the HDPE impermeable membrane (3), wherein the conductive coating of the HDPE impermeable membrane (3) is conductive in a leakage area;
s3, strong current of the first lead (4) enters the HDPE impermeable membrane (3) through the monitoring sensing module (2) of the leakage area, and flows back to the central controller (1) through the HDPE impermeable membrane (3) to form a closed circuit; and, the monitoring sensing module (2) of the leakage area transmits a current signal of the leakage position to the central controller (1).
4. A leak monitoring method as defined in claim 3, further comprising: s4, strong current of the first lead (4) passes through the alarm device (5) to trigger the alarm device (5) to alarm.
5. A leak monitoring method as defined in claim 3, whereinThe monitoring method further comprises the following steps: s5, detecting the distance R of strong current passing through the HDPE impermeable membrane (3) by the monitoring induction module (2) in the leakage area iM Leakage area the monitoring sensing module (2) detects the intensity L of the strong current passing through the HDPE impermeable membrane (3) i 。
6. The leak monitoring method of claim 5, wherein the monitoring method further comprises: s6, calculating the potential U of the leakage area:
ρ is the resistivity of the clay layer where the monitoring sensing module (2) is located in the leakage area;
n is the number of monitoring sensing modules (2) in the leakage area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210640411.1A CN114878092B (en) | 2022-06-08 | 2022-06-08 | Leakage monitoring device and monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210640411.1A CN114878092B (en) | 2022-06-08 | 2022-06-08 | Leakage monitoring device and monitoring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114878092A CN114878092A (en) | 2022-08-09 |
| CN114878092B true CN114878092B (en) | 2023-05-26 |
Family
ID=82680590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210640411.1A Active CN114878092B (en) | 2022-06-08 | 2022-06-08 | Leakage monitoring device and monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114878092B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628859B (en) * | 2022-12-07 | 2023-03-28 | 山东大学 | Leakage detection and leakage repairing device for operation and sealing refuse landfill and implementation method |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316243C (en) * | 2003-11-26 | 2007-05-16 | 中国环境科学研究院 | Electricity detecting method and equipment for leakage of refuse landfill leaking-proof layer |
| CN102024280B (en) * | 2010-12-04 | 2012-01-11 | 大连理工大学 | Vehicle accident early alarming and information recorder |
| CN102345302A (en) * | 2011-07-13 | 2012-02-08 | 郑州润通环境仪表有限公司 | Electronic intelligent impermeable membrane and leakage monitoring method thereof |
| CN102889967B (en) * | 2012-10-12 | 2015-10-28 | 重庆新和平自动化有限公司 | Refuse landfill geomembrane seepage rapid detection system and detection method |
| CN104110043B (en) * | 2014-06-27 | 2017-09-01 | 中国环境科学研究院 | Antiseepage Rotating fields |
| CN105181551B (en) * | 2015-08-31 | 2019-11-08 | 中国环境科学研究院 | The seepage detection system and method for vertical seepage control film |
| CN109856192B (en) * | 2017-08-18 | 2022-03-25 | 上海甚致环保科技有限公司 | Monitoring and sensing system for geomembrane |
| CN208476473U (en) * | 2018-06-21 | 2019-02-05 | 深圳市祥为测控技术有限公司 | Liquid leakage detector |
| CN109839250B (en) * | 2018-09-27 | 2020-06-30 | 中国环境科学研究院 | Leak detection system of impermeable layer |
| CN110080310A (en) * | 2019-04-30 | 2019-08-02 | 安徽省通源环境节能股份有限公司 | A kind of online leakage orienting monitoring system of hazardous waste landfill |
| CN111044226A (en) * | 2019-12-09 | 2020-04-21 | 芜湖秒算电子科技有限公司 | Online leakage positioning and monitoring system of hazardous waste landfill |
| CN212059289U (en) * | 2020-05-18 | 2020-12-01 | 中国环境科学研究院 | Leakage monitoring device for hazardous waste landfill area |
| CN212693544U (en) * | 2020-06-24 | 2021-03-12 | 天津鲁润环保科技有限公司 | Rigid landfill leakage detection system |
| CN212458609U (en) * | 2020-06-24 | 2021-02-02 | 北京恒通安泰科技有限公司 | Data acquisition device |
| CN112816162A (en) * | 2021-01-29 | 2021-05-18 | 桂林理工大学 | Garbage landfill system and garbage leakage monitoring method |
| CN114184328B (en) * | 2021-10-29 | 2024-02-09 | 苏州浪潮智能科技有限公司 | Liquid leakage detection device for liquid-cooled tube of server |
-
2022
- 2022-06-08 CN CN202210640411.1A patent/CN114878092B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114878092A (en) | 2022-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107389531B (en) | Leakage monitoring system for geomembrane | |
| CN114878092B (en) | Leakage monitoring device and monitoring method | |
| CN104111152B (en) | Seepage of seepage-proof layer detecting system | |
| CN104111151B (en) | Seepage of seepage-proof layer detection method | |
| CN205792451U (en) | A kind of failure detector of photovoltaic parallel in system | |
| CN1979152A (en) | Double-electrode detection method and apparatus for seepage of seepage-proof layer | |
| CN205263227U (en) | Leakage detection equipment | |
| CN107589347A (en) | Single-phase earth fault discrimination method based on transient zero-sequence current | |
| CN102147315A (en) | Leachate seepage monitoring device for sanitary refuse landfill | |
| CN204064593U (en) | Seepage of seepage-proof layer detection system | |
| CN204405597U (en) | A kind of the cannot-harm-detection device based on electric field fingerprint method | |
| CN113102480A (en) | Device for restoring polluted soil by resistance heating enhanced chemical oxidation | |
| CN204982982U (en) | Signal acquisition device | |
| CN104110043B (en) | Antiseepage Rotating fields | |
| CN214040529U (en) | Landfill seepage monitoring devices | |
| CN110672925A (en) | High-precision insulation resistance detection circuit | |
| CN112816162A (en) | Garbage landfill system and garbage leakage monitoring method | |
| CN205155583U (en) | City network of rivers pipeline leakage loss monitoring system | |
| CN204592882U (en) | A kind of pipeline handing-over pipe fitting leak detection apparatus | |
| CN204649883U (en) | Electric automobile | |
| CN104819384B (en) | Pipeline connecting pipe fitting seepage detection device and method | |
| CN207964025U (en) | A kind of hydraulic engineering Level monitor | |
| CN201965002U (en) | Device for monitoring leachate seepage of refuse sanitary landfill | |
| CN213985593U (en) | Refuse landfill system | |
| CN206310244U (en) | A kind of supplying drainage and its leak detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |