CN110779969A - Detection device and method for anti-corrosion layer of underground reinforced concrete pipeline - Google Patents
Detection device and method for anti-corrosion layer of underground reinforced concrete pipeline Download PDFInfo
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- CN110779969A CN110779969A CN201911131366.1A CN201911131366A CN110779969A CN 110779969 A CN110779969 A CN 110779969A CN 201911131366 A CN201911131366 A CN 201911131366A CN 110779969 A CN110779969 A CN 110779969A
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000005260 corrosion Methods 0.000 title claims abstract description 15
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 11
- 239000000523 sample Substances 0.000 claims abstract description 34
- 230000003993 interaction Effects 0.000 claims abstract description 13
- 238000005536 corrosion prevention Methods 0.000 claims abstract 2
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 230000007797 corrosion Effects 0.000 claims description 11
- IXARYIJEQUJTIZ-KWRIXSAHSA-N S-(1,2-Dichlorovinyl)glutathione Chemical compound OC(=O)[C@@H](N)CCC(=O)N[C@@H](CS\C(Cl)=C/Cl)C(=O)NCC(O)=O IXARYIJEQUJTIZ-KWRIXSAHSA-N 0.000 claims description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 6
- 229910001416 lithium ion Inorganic materials 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/301—Reference electrodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
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Abstract
The invention provides a detection device for an anti-corrosion layer of an underground reinforced concrete pipeline, and belongs to the field of pipeline corrosion prevention. The detection apparatus includes: the system comprises a host, a power supply, a tail wire wheel, a GPS antenna, a human-computer interaction interface, a bracket, a first handheld feeler stick, a second handheld feeler stick and a back frame; the main machine, the power supply, the tail wire wheel and the GPS antenna are arranged on the back frame, the main machine and the power supply are separately arranged, so that the weight of the back frame is uniformly distributed, the tail wire wheel is arranged at the lower part of the back frame, the GPS antenna is arranged at the upper part of the back frame, the human-computer interface is arranged in front of the chest of an operator through the support, the support is connected with the back frame, and the height and the angle of the support are adjustable; the handheld probe I and the handheld probe II are respectively connected with the host; compared with the traditional equipment, the invention can save the labor cost and the manufacturing cost, improve the working efficiency and ensure more accurate test results.
Description
Technical Field
The invention relates to anticorrosion detection equipment, in particular to a device and a method for detecting an anticorrosion layer of an underground reinforced concrete pipeline.
Background
The natural gas long-distance pipeline is mostly buried underground, in order to prevent the corrosion of the pipeline and prolong the service life of the pipeline, the prior common method is to add an anticorrosive coating and a cathode protection device outside the pipeline, but due to the long-time action of various external factors, the anticorrosive coating can age and fall off and lose the protection effect, so the detection of the anticorrosive coating outside the pipeline is very necessary; and cathodic protection also requires regular maintenance and inspection.
At present, the pipeline is comprehensively detected by adopting a combined detection method of a close-spaced potential method (CIPS) and a direct current potential gradient Detection (DCVG) at home and abroad, so that not only can an outer anticorrosive coating of the pipeline be detected, but also the cathode protection effect of the pipeline can be effectively evaluated. The traditional DCVG + CIPS joint detection equipment consists of a DCVG detection instrument and a DCVG/CIPS data recorder, multiple persons are required to cooperate simultaneously during detection, time and labor are wasted, data acquisition time is difficult to reach consistency, and the detection result is inaccurate.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the detection device for the corrosion-resistant layer of the underground reinforced concrete pipeline, which is convenient to operate and accurate in detection and can reduce the labor cost and the instrument manufacturing cost.
In order to achieve the purpose, the invention adopts the technical scheme that: a detection device and a detection method for an anti-corrosion layer of an underground reinforced concrete pipeline comprise the following steps: the system comprises a host, a power supply, a tail wire wheel, a GPS antenna, a human-computer interaction interface, a bracket, a first handheld probe, a second handheld probe and a back frame. The main machine, the power supply, the tail wire wheel and the GPS antenna are arranged on the back frame, the main machine and the power supply are separately arranged, so that the weight of the back frame is uniformly distributed, the tail wire wheel is arranged at the lower part of the back frame, the GPS antenna is arranged at the upper part of the back frame, the human-computer interface is arranged in front of the chest of an operator through the support, the support is connected with the back frame, and the height and the angle of the support are adjustable; the handheld probe I and the handheld probe II are respectively connected with the host;
said, host computer includes: the amplifier filters and amplifies signals, the converter can digitize the signals, and the digital signal processor can realize collection, storage, processing and transmission of various digital signals;
the power supply adopts a lithium ion battery which is small in size, large in electric quantity and easy to carry, and the lithium ion battery is provided with a voltage converter and can supply power to each system;
the tail-line wheel is provided with a mileage counter which can record the distance data information between the measuring position and the initial position;
the GPS antenna can receive satellite signals of a global positioning system and record data information such as real-time, geographic position coordinates and the like;
the human-computer interaction interface adopts a display screen with adjustable brightness and high resolution, can display acquired data and waveforms, can judge the corrosion condition of the pipeline anticorrosive coating by analyzing the displayed data and waveforms, and can position the damage point of the anticorrosive coating;
the first handheld probe and the second handheld probe use high-precision copper sulfate as reference electrodes, can acquire a potential gradient value (DCVG data) between the two reference electrodes and a voltage difference value (CIPS data) between the probe and a tail line of a connecting pipeline, and can be stretched and contracted for length adjustment.
The invention has the beneficial effects that: (1) the labor cost is saved, the work which originally needs several people to complete simultaneously can be completed by only one person; (2) the manufacturing cost is saved, the work which originally needs several devices can be completed, and only one device is needed to complete the work; (3) the working efficiency is improved, and the working efficiency can be improved through a humanized man-machine interaction interface and a handheld probe rod design; (4) the synchronous acquisition of DCVG data, CIPS data and anticorrosive coating damage positioning can be realized, and the test result is more accurate.
Drawings
FIG. 1 is a schematic view; schematic structural diagram of detection device
FIG. 2 is a schematic view; schematic diagram of detection device
In the drawings: the system comprises a main machine 1, a power supply 2, a tail wire wheel 3, a GPS antenna 4, a human-computer interaction interface 5, a support 6, a handheld probe I7, a handheld probe II 8 and a back frame 9.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings and specific examples.
The invention provides a device and a method for detecting an anticorrosive coating of an underground reinforced concrete pipeline, which comprises the following steps: the system comprises a host 1, a power supply 2, a tail wire wheel 3, a GPS antenna 4, a man-machine interaction interface 5, a bracket 6, a first handheld probe 7, a second handheld probe 8 and a back frame 9; the main machine 1, the power supply 2, the tail wire wheel 3 and the GPS antenna 4 are arranged on the back frame 7, the main machine 1 and the power supply 2 are separately arranged, so that the weight of the back frame 9 is uniformly distributed, the tail wire wheel 3 is arranged at the lower part of the back frame, the GPS antenna 4 is arranged at the upper part of the back frame 9, the man-machine interface protecting surface 5 is arranged in front of the chest of an operator through a support 6, the support 6 is connected with the back frame 9, and the height and the angle of the support 6 are adjustable; the first handheld probe 7 and the second handheld probe 8 are respectively connected with the host 1;
said, host 1 includes: the amplifier filters and amplifies signals, the converter can digitize the signals, and the digital signal processor can realize collection, storage, processing and transmission of various digital signals;
the power supply 2 adopts a lithium ion battery which is small in size, large in electric quantity and easy to carry, and the lithium ion battery is provided with a voltage converter and can supply power to each system;
the tail line wheel 3 is provided with a mileage counter which can record the distance data information between the measuring position and the initial position;
the GPS antenna 4 can receive satellite signals of a global positioning system and record data information such as real-time, geographic position coordinates and the like;
the human-computer interaction interface 5 adopts a display screen with adjustable brightness and high resolution, can display acquired data and waveforms, can judge the corrosion condition of the pipeline anticorrosive coating by analyzing the displayed data and waveforms, and can position the damaged point of the anticorrosive coating;
the first handheld probe 7 and the second handheld probe 8 use high-precision copper sulfate as reference electrodes, can acquire a potential gradient value (DCVG data) between the two reference electrodes and a voltage difference value (CIPS data) between the probe and a tail line of a connecting pipeline, and can be stretched and contracted for length adjustment.
The use method of the equipment comprises the following steps: when the detection equipment is used for detecting the pipeline anticorrosive coating, an operator carries a back frame on the back, two hands respectively hold one probe rod and walk along the upper part of the pipeline, the distance between the first handheld probe rod 7 and the second handheld probe rod 8 is 1 meter, a host stores and processes potential signals collected by the two probe rods, GPS signals and tail wheel distance measuring signals, a processing result is transmitted to a man-machine interaction interface for display, and the man-machine interaction interface can present the detection result in a data or image form, so that the corrosion condition of the pipeline can be judged.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. The utility model provides an underground reinforced concrete pipeline anticorrosive coating detection device which characterized in that includes: the system comprises a host, a power supply, a tail wire wheel, a GPS antenna, a human-computer interaction interface, a bracket, a first handheld feeler stick, a second handheld feeler stick and a back frame; the main machine, the power supply, the tail wire wheel and the GPS antenna are arranged on the back frame, the main machine and the power supply are separately arranged, so that the weight of the back frame is uniformly distributed, the tail wire wheel is arranged at the lower part of the back frame, the GPS antenna is arranged at the upper part of the back frame, the human-computer interface is arranged in front of the chest of an operator through the support, the support is connected with the back frame, and the height and the angle of the support are adjustable; the first handheld probe and the second handheld probe are respectively connected with the host.
2. The detection device for the corrosion protection layer of the underground reinforced concrete pipeline according to claim 1, wherein the main machine comprises: the digital signal processing device comprises an amplifier, a converter and a digital signal processor, wherein the amplifier filters and amplifies signals, the converter can digitize the signals, and the digital signal processor can collect, store, process and transmit various digital signals.
3. The device for detecting the anticorrosive coating of the underground reinforced concrete pipeline according to claim 1, wherein the power supply adopts a lithium ion battery which is small in size, large in electric quantity and easy to carry, and the lithium ion battery is provided with a voltage converter and can supply power to all systems.
4. The underground reinforced concrete pipeline anticorrosive coating detection device of claim 1, wherein a mileage counter is installed on the tail pulley, and can record distance data information between a measurement position and an initial position.
5. The device for detecting the corrosion prevention layer of the underground reinforced concrete pipeline as claimed in claim 1, wherein the GPS antenna can receive global positioning system satellite signals and record data information such as real-time, geographical position coordinates and the like.
6. The device as claimed in claim 1, wherein the human-computer interaction interface is a display screen with adjustable brightness and high resolution, and can display the collected data and waveforms, and by analyzing the displayed data and waveforms, the corrosion of the corrosion protection layer of the pipeline can be determined, and the damage point of the corrosion protection layer can be located.
7. The device as claimed in claim 1, wherein the first hand-held probe and the second hand-held probe use high-precision copper sulfate as reference electrodes to collect the potential gradient value (DCVG data) between the two reference electrodes and the voltage difference value (CIPS data) between the probe and the tail line of the connecting line, and both the first hand-held probe and the second hand-held probe can be extended and retracted for length adjustment.
8. The detection device for the corrosion protection layer of the underground reinforced concrete pipeline according to claim 1, wherein the method comprises the following steps: when the detection equipment is used for detecting the pipeline anticorrosive coating, an operator carries a back frame on the back, two hands respectively hold one probe rod and walk along the upper part of the pipeline, the distance between the first handheld probe rod and the second handheld probe rod is 1 meter, a host stores and processes potential signals collected by the two probe rods, GPS signals and tail wire wheel distance measurement signals, a processing result is transmitted to a man-machine interaction interface for display, and the man-machine interaction interface can present the detection result in a data or image form, so that the corrosion condition of the pipeline can be judged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131366.1A CN110779969A (en) | 2019-11-19 | 2019-11-19 | Detection device and method for anti-corrosion layer of underground reinforced concrete pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131366.1A CN110779969A (en) | 2019-11-19 | 2019-11-19 | Detection device and method for anti-corrosion layer of underground reinforced concrete pipeline |
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|---|---|
| CN110779969A true CN110779969A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911131366.1A Pending CN110779969A (en) | 2019-11-19 | 2019-11-19 | Detection device and method for anti-corrosion layer of underground reinforced concrete pipeline |
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| CN (1) | CN110779969A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114527161A (en) * | 2022-04-21 | 2022-05-24 | 国机传感科技有限公司 | Potential gradient measuring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070063713A1 (en) * | 2003-04-26 | 2007-03-22 | Korea Gas Corporation | Dcvg-cips measuring apparatus for detecting the results of a pipe line |
| CN102252168A (en) * | 2011-07-19 | 2011-11-23 | 华电能源股份有限公司 | Accurate positioning and detecting method and device for damages of underground metal pipeline anticorrosive coating |
| CN102337542A (en) * | 2011-07-19 | 2012-02-01 | 华电能源股份有限公司 | Detection method and apparatus for buried metal pipeline cathode protection system |
| CN207440306U (en) * | 2017-11-10 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of buried abandoned well detection device |
| WO2018105801A1 (en) * | 2016-12-09 | 2018-06-14 | 윤명섭 | System for detecting damage to coating of pipe buried underground |
| CN109487277A (en) * | 2018-12-29 | 2019-03-19 | 江苏科盾检测技术有限公司 | A kind of buried pipe erosion resistant coating and cathodic protection detection system |
| CN109932419A (en) * | 2019-02-11 | 2019-06-25 | 中国石油天然气股份有限公司 | Device and method for detecting corrosion in crude oil conveying pipeline |
| CN211505317U (en) * | 2019-11-19 | 2020-09-15 | 江苏科盾检测技术有限公司 | Bury reinforced concrete pipeline anticorrosive coating detection device |
-
2019
- 2019-11-19 CN CN201911131366.1A patent/CN110779969A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070063713A1 (en) * | 2003-04-26 | 2007-03-22 | Korea Gas Corporation | Dcvg-cips measuring apparatus for detecting the results of a pipe line |
| CN102252168A (en) * | 2011-07-19 | 2011-11-23 | 华电能源股份有限公司 | Accurate positioning and detecting method and device for damages of underground metal pipeline anticorrosive coating |
| CN102337542A (en) * | 2011-07-19 | 2012-02-01 | 华电能源股份有限公司 | Detection method and apparatus for buried metal pipeline cathode protection system |
| WO2018105801A1 (en) * | 2016-12-09 | 2018-06-14 | 윤명섭 | System for detecting damage to coating of pipe buried underground |
| CN207440306U (en) * | 2017-11-10 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of buried abandoned well detection device |
| CN109487277A (en) * | 2018-12-29 | 2019-03-19 | 江苏科盾检测技术有限公司 | A kind of buried pipe erosion resistant coating and cathodic protection detection system |
| CN109932419A (en) * | 2019-02-11 | 2019-06-25 | 中国石油天然气股份有限公司 | Device and method for detecting corrosion in crude oil conveying pipeline |
| CN211505317U (en) * | 2019-11-19 | 2020-09-15 | 江苏科盾检测技术有限公司 | Bury reinforced concrete pipeline anticorrosive coating detection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114527161A (en) * | 2022-04-21 | 2022-05-24 | 国机传感科技有限公司 | Potential gradient measuring system |
| CN114527161B (en) * | 2022-04-21 | 2022-07-19 | 国机传感科技有限公司 | Potential gradient measuring system |
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