CN114086186A - Pipeline protection effect detection device and detection method - Google Patents
Pipeline protection effect detection device and detection method Download PDFInfo
- Publication number
- CN114086186A CN114086186A CN202111363926.3A CN202111363926A CN114086186A CN 114086186 A CN114086186 A CN 114086186A CN 202111363926 A CN202111363926 A CN 202111363926A CN 114086186 A CN114086186 A CN 114086186A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- test
- pipeline protection
- probe assemblies
- reference electrode
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 230000000694 effects Effects 0.000 title claims abstract description 44
- 238000012360 testing method Methods 0.000 claims abstract description 72
- 239000000523 sample Substances 0.000 claims abstract description 38
- 230000000712 assembly Effects 0.000 claims abstract description 24
- 238000000429 assembly Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 9
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 7
- 238000009412 basement excavation Methods 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 10
- 238000011156 evaluation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 21
- 238000004210 cathodic protection Methods 0.000 description 12
- 238000005553 drilling Methods 0.000 description 12
- 238000010276 construction Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- QXYJCZRRLLQGCR-UHFFFAOYSA-N dioxomolybdenum Chemical compound O=[Mo]=O QXYJCZRRLLQGCR-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/22—Monitoring arrangements therefor
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
- C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
- C23F2213/32—Pipes
Abstract
The embodiment of the application provides a pipeline protection effect detection device and a detection method, relates to the technical field of pipeline protection, and comprises the following steps: testing equipment; one end of the connecting component is connected to the testing equipment, and the other end of the connecting component is used for extending to the ground surface; a support member fixedly supporting a portion of the connection assembly; the cover plate is arranged at the top end of the support piece in a sealing mode; the probe assemblies are arranged on different height positions of the supporting piece respectively and connected to the connecting assembly, and the probe assemblies comprise a plurality of test connecting lines. The pipeline protection effect detection device can obtain richer data support through the reference electrodes made of two different materials, and meets the requirement of a user on pipeline protection effectiveness evaluation.
Description
Technical Field
The invention relates to the technical field of pipeline protection, in particular to a pipeline protection effect detection device and a detection method.
Background
The directional drilling is a non-excavation technology, does not damage stratum structures, occupies less land for construction, is not influenced by seasons, has short construction period and the like. However, the pipeline constructed by the directional drilling technology is in service in the underground or underwater with larger burial depth for a long time, the conventional measurement and evaluation of the cathode protection effectiveness can not be carried out on the in-service directional drilling crossing section due to the difficulty in repair and replacement, and if the conditions of the external anticorrosive coating and the cathode protection level of the directional drilling crossing section can not be mastered, the corrosion leakage is possibly caused by the corrosion in the long term, and the production safety accident is caused. Therefore, it is important to evaluate the effectiveness of in-service directional drilling cathodic protection in time to control corrosion risk.
The existing in-service directional drilling crossing section protection effect evaluation method mainly comprises a current-potential method, a PCM current attenuation method and a numerical simulation method, wherein the current-potential method is adopted in the standard NACETM0102 to evaluate the quality of an anticorrosive coating of a crossing section, but the method is only suitable for a pipeline which is not connected with other pipe sections after construction is completed, and cannot measure the connected pipeline; a PCM current attenuation method detection instrument can only test the protection potentials at two ends of the crossing section, but cannot evaluate the cathode protection effectiveness of the crossing section; the numerical simulation method can evaluate the change rule between the cathodic protection and the defect rate of the pipeline at the crossing section, but the boundary condition of numerical calculation is artificially specified and is different from the actual boundary condition of the crossing section, so that the cathodic protection evaluation of the pipeline at the directional drilling crossing section at home and abroad can be found to basically stay at the detection and evaluation stage of an anticorrosive coating, the cathodic protection potential distribution of the pipeline at the crossing section is only explored on numerical simulation, the accuracy of the result of the numerical simulation calculation is further examined, and equipment and a method for evaluating the effectiveness of the cathodic protection of the directional drilling in service are lacked on site.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, the first aspect of the invention provides a pipeline protection effect detection device.
The second aspect of the invention provides a method for detecting the protection effect of a pipeline.
In view of this, according to a first aspect of the embodiments of the present application, there is provided a pipeline protection effect detection apparatus, including:
testing equipment;
one end of the connecting component is connected to the testing equipment, and the other end of the connecting component is used for extending to the ground surface;
a support member fixedly supporting a portion of the connection assembly;
the cover plate is arranged at the top end of the support piece in a sealing manner;
the probe assemblies are arranged on different height positions of the supporting piece respectively and connected to the connecting assembly, and the probe assemblies comprise a plurality of test connecting lines.
Preferably, the connection assembly includes a plurality of trunk connection lines, and the trunk connection lines are electrically connected to the test connection lines.
Preferably, the probe assembly further comprises: carrier, a plurality of damaged point survey test piece and a plurality of reference electrode, wherein, it is a plurality of damaged point survey test piece and a plurality of the reference electrode sets up on the wall of carrier, it is a plurality of damaged point survey test piece and a plurality of the equal electric connection of reference electrode in test connecting circuit.
Preferably, the plurality of test pieces at the breakage point have different areas and shapes.
Preferably, the reference electrodes comprise a high-purity zinc reference electrode and a copper sulfate reference electrode.
Preferably, an epoxy sealing layer is attached to the connection end surfaces of the plurality of test strips and the plurality of reference electrodes and the test connection lines.
According to a second aspect of the embodiments of the present application, a method for detecting a pipeline protection effect is provided, which is used for a pipeline protection effect detection apparatus according to any one of the above technical solutions, and includes: arranging an accommodating space of the pipeline protection effect detection device in a non-excavation mode and fixing the pipeline protection effect detection device; respectively connecting a plurality of probe assemblies to the damaged part of the outer wall of the pipeline, wherein the probe assemblies are connected with test equipment; and obtaining a plurality of detection information according to the probe assemblies at different positions and the plurality of reference electrodes in different probe assemblies.
Preferably, the opening depth of the placement space is matched with the placement depth of the pipeline to be tested.
Preferably, a plurality of said reference electrodes providing detection information are used with different timeliness.
Preferably, the plurality of probe assemblies are connected to the outer wall of the pipeline at different positions.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the pipeline protection effect detection device and the detection method that this application embodiment provided, realize protection and effect aassessment to the pipeline through the cathodic protection method, concrete adoption cathode test stake is connected with the section of crossing pipeline in active service, wherein the interconnecting link of cathode test stake and pipeline that awaits measuring reaches the assigned position of earth's surface below through the mode that the support piece inner chamber penetrated, wherein support piece can play fixed effect to interconnecting link, guarantee interconnecting link's life simultaneously, wherein support piece's arrangement space adopts directional drilling's drilling mode, need not the extensive excavation in scene, the on-the-spot work load is little, construction cost is low.
The device has the advantages that the probe assembly is provided with the plurality of damaged point test pieces and the plurality of reference electrodes, the arrangement of the plurality of reference electrodes can ensure that the probe has rich data detection effect, more accurate data detection function can be achieved through reference electrode materials made of different materials, and compared with the traditional electrode materials, the device can be also suitable for more and richer use scenes; in addition, the damaged points on the pipeline to be detected may have different damaged areas, in order to further ensure the evaluation effect of the scheme on the protection effect of the pipeline, therefore, a plurality of damaged point test pieces with different areas or different shapes are adopted adaptively, the potential information monitoring effect of the position is realized by the different damaged point test pieces acting on the surface of the damaged area of the pipeline, correspondingly, the high-purity zinc reference electrode is longer-acting than a copper sulfate electrode in the using process, more complex use scenarios, such as working in high water content soils or directly in water, can further ensure the effectiveness and high stability of the cathode protection method for the crossing section pipeline, the reference electrodes made of two different materials can obtain richer data support, and the requirements of users on the evaluation of the pipeline protection effectiveness are met.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a device for detecting the protection effect of a pipeline according to the present invention;
FIG. 2 is a schematic view of a structure of a test strip at a damaged point according to the present invention;
fig. 3 is a schematic flow chart of the method for detecting the pipeline protection effect according to the present invention.
Wherein, the corresponding relation between the reference mark and the part name is as follows:
1. carrier, 2, support piece, 3, apron, 4, trunk line, 5, breakage point test piece, 6, high-purity zinc reference electrode, 7, copper sulfate reference electrode.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1 to fig. 2, according to a first aspect of the embodiments of the present application, there is provided a pipeline protection effect detection apparatus, including: the device comprises test equipment, a connecting assembly, a support member 2, a cover plate 3 and a plurality of probe assemblies, wherein one end of the connecting assembly is connected to the test equipment, and the other end of the connecting assembly is used for extending to the ground surface; the support part 2 is used for fixedly supporting part of the connecting assembly; the cover plate 3 is arranged at the top end of the support 2 in a sealing way; the plurality of probe assemblies are respectively arranged at different height positions of the support member 2 and connected to the connecting assembly, and the probe assemblies comprise a plurality of test connecting lines.
It can be understood that test equipment can be cathodic test protection stake, cathodic protection test stake is the indispensable device in the long-distance pipeline cathodic protection system, mainly used kilometer of pipeline indicates, cathodic protection effect and operational parameter's detection, the test stake design is multi-functional test stake, be used for cathodic protection parameter's detection, be the indispensable device in the pipeline management maintenance, lay along the line according to test function, the test stake is used for pipeline electric potential, electric current, the detection of insulating properties, can conveniently constitute electric potential according to the concrete requirement of design unit, electric current, sacrificial anode, insulating properties test stake or alternately pipeline test stake.
The connecting component is used as a connecting circuit of a cathode test pile and a probe component under the ground in the device, wherein the connecting component under the ground is positioned on the inner side of the support component 2, the circuit in the connecting component can be supported and fixed through the support component 2, the fixing mode of the circuit can be realized through different circuit buckles arranged inside the support component 2, specifically, the support component 2 is a central control cylindrical pipeline, the whole pipeline is preferably made of polytetrafluoroethylene, the outer diameter of the pipeline is 12cm, the inner diameter of the pipeline is 11cm, and the height of the pipeline is 9m, holes with the diameter of 1cm are formed in the side wall of the pipeline every two meters, a cover plate 3 is arranged at the top end of the support component 2, similarly, the cover plate 3 is preferably made of polytetrafluoroethylene, the diameter of 12cm and the height of 2cm, and a hole with the diameter of 5.5cm is formed in the middle part of the cover plate, the hole is used for the threading out of the line in the support assembly.
In some examples, the connection assembly includes a plurality of trunk lines 4, and the trunk lines 4 are electrically connected to the test connection lines.
It can be understood that the trunk connection line 4 is arranged to transmit data information obtained by detecting the probe assembly to the cathode test pile, and presents information to workers in the cathode test, or detects potential information of the probe by using a multimeter through the workers.
In some examples, the probe assembly further comprises: carrier 1, a plurality of damaged point test strip 5 and a plurality of reference electrode, wherein, a plurality of damaged point test strip 5 and a plurality of reference electrode setting are on the wall of carrier 1, and a plurality of damaged point test strip 5 and a plurality of reference electrode equal electric connection are in test connection circuit.
It can be understood that, damaged point test piece 5 is directly used in the detection structure of being surveyed the pipeline outer wall as in this device, can realize the implementation of cathodic protection method through its contact with the pipeline outer wall, in addition, the setting of a plurality of reference electrodes can guarantee that the probe has abundant data detection effect in this scheme, reference electrode material through different materials can also reach more accurate data detection function, compare in traditional electrode material, this device still can be applicable to more abundanter use scenes.
In some examples, the plurality of broken point test strips 5 differ in area and shape.
It can be understood that, the damaged point on the pipeline may have the condition that damaged area is not of uniform size, for further guaranteeing the evaluation effect of this scheme to the pipeline guard action, consequently, the adaptive damaged point test strip 5 that has adopted a plurality of different areas or different shapes, wherein the surface area of preferred test strip is 1cm2 and 20cm2 two kinds, and damaged point test strip 5 through different areas is used in the regional surface of pipeline damage, realizes the current potential information monitoring effect to this position.
In some examples, the plurality of reference electrodes includes a high purity zinc reference electrode 6 and a copper sulfate reference electrode 7.
It should be noted that the high-purity zinc reference electrode 6 is longer-acting than a copper sulfate electrode in the using process, can cope with more complex using scenes, such as acting in high-water-content soil or directly acting in water, can further ensure the effectiveness and high stability of the cathode protection method for the pipeline at the crossing section, can obtain richer data support through the reference electrodes made of two different materials, and meets the requirement of a user on the evaluation of the effectiveness of pipeline protection.
In some examples, the connection end faces of the plurality of test strips and the plurality of reference electrodes to the test connection lines are adhered with an epoxy sealing layer.
It can be understood that the epoxy resin is used as a material with strong corrosion resistance, the plurality of test pieces and the reference electrode can be connected with the test connecting circuit in a welding mode, and the corrosion resistance of the connecting points and the corrosion resistance of the connecting areas can be further ensured by the scheme that the epoxy resin sealing layers are arranged at the connecting ends of the plurality of test pieces and the plurality of reference electrodes and the test connecting circuit, so that the obvious protection effect on the plurality of connecting points is achieved, and the accuracy of supporting data provided by the probe assembly is improved.
As shown in fig. 3, according to a second aspect of the present invention, there is provided a method for detecting a pipeline protection effect, which is used for a pipeline protection effect detection apparatus according to any one of the above technical solutions, and includes:
s101, arranging a placement space of the pipeline protection effect detection device in a non-excavation mode and fixing the pipeline protection effect detection device;
s103, respectively connecting a plurality of probe assemblies to the damaged part of the outer wall of the pipeline, wherein the probe assemblies are connected with test equipment;
and S105, obtaining a plurality of kinds of detection information according to the probe assemblies at different positions and the plurality of reference electrodes in different probe assemblies.
It can be understood that, the non-excavation mode is adopted, the work amount in the process of arranging the device can be reduced, the arrangement difficulty of the device is reduced, the specific processing scheme of the directional drill can be passed, the directional drill is a pipeline construction process in the engineering technology industry, the device is generally used for the construction of petroleum, natural gas and some municipal pipelines, the pipeline construction is carried out after the processes of positioning drilling, reaming, hole cleaning, pipeline back dragging and the like are carried out by a large-scale directional drilling machine, the same scheme can also be used for arranging the device, the arrangement depth of the arrangement depth is the same as the arrangement depth of the pipeline, a plurality of test probes penetrate or penetrate through holes arranged in the support piece 2 by using the trunk connecting circuit 4, then the ground end of the trunk connecting circuit 4 is connected with the cathode test pile, and meanwhile, the cover plate 3 made of polytetrafluoroethylene material is ensured to be sealed and buckled at the opening at the top end of the support piece 2, and then, after the soil is returned and buried, connecting the plurality of test pieces with the pipeline, then testing the natural potential of the plurality of damaged test pieces 5 by the plurality of reference electrodes, wherein the tested natural potential is-1.15V (relative to a copper sulfate reference electrode 7) or-0.1V (relative to a high-purity zinc reference electrode 6), the burying is normal, and after the potential stability of the probe assembly in the soil, the power-on potential and the power-off potential of the plurality of test pieces are tested by using a universal meter or remote transmission equipment.
In addition, the number of probe components in this scheme is a plurality of, and sets up respectively in the position of difference, can detect a plurality of damaged points of the different degree of depth positions of pipeline that awaits measuring.
In some examples, the opening depth of the installation space matches the installation depth of the pipeline to be tested;
it can be understood that, the arrangement space that the same degree of depth set up can make support piece 2 flush with the bottom of the pipeline that awaits measuring, and this design can detect the bottom of the pipeline that awaits measuring, can realize more comprehensive detection to the pipeline that awaits measuring and cover the effect.
In some examples, the plurality of reference electrodes providing the detection information differ in their age.
It will be appreciated that, depending on the nature of the location of the different areas of use, reference electrodes of a variety of different materials may alternatively be used, preferably: the reference electrode comprises at least two of a saturated copper sulfate reference electrode 7, a high-purity zinc reference electrode 6, a silver/silver chloride reference electrode and a molybdenum dioxide reference electrode, wherein the high-purity zinc reference electrode 6 can ensure the working timeliness of the reference electrode and the service life of the reference electrode, and the reference electrode can be combined and matched with the saturated copper sulfate reference electrode 7 or other reference electrodes according to the characteristics of actual installation areas.
In some examples, the plurality of probe assemblies are connected to the outer wall of the pipe at different locations.
The probe subassembly quantity in this scheme is a plurality of, and sets up respectively in the position of difference, can detect a plurality of damaged points of the different degree of depth positions of pipeline that awaits measuring to obtain more comprehensive aassessment effect, provide powerful technical support for further popularization and application of the aassessment of cathodic protection validity.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pipeline protection effect detection device, comprising:
testing equipment;
one end of the connecting component is connected to the testing equipment, and the other end of the connecting component is used for extending to the ground surface;
a support member fixedly supporting a portion of the connection assembly;
the cover plate is arranged at the top end of the support piece in a sealing mode;
the probe assemblies are arranged on different height positions of the supporting piece respectively and connected to the connecting assembly, and the probe assemblies comprise a plurality of test connecting lines.
2. The apparatus for detecting the effect of pipeline protection according to claim 1,
the connecting assembly comprises a plurality of trunk connecting lines, and the trunk connecting lines are electrically connected with the test connecting lines.
3. The apparatus for detecting the effect of pipeline protection according to claim 1,
the probe assembly further comprises: carrier, a plurality of damaged point survey test piece and a plurality of reference electrode, wherein, it is a plurality of damaged point survey test piece and a plurality of the reference electrode sets up on the wall of carrier, it is a plurality of damaged point survey test piece and a plurality of the equal electric connection of reference electrode in test connecting circuit.
4. The apparatus for detecting the effect of pipeline protection according to claim 3,
the plurality of test pieces at the breakage point are different in area and shape.
5. The apparatus for detecting the effect of pipeline protection according to claim 3,
the reference electrodes comprise a high-purity zinc reference electrode and a copper sulfate reference electrode.
6. The apparatus for detecting the effect of pipeline protection according to claim 3,
and epoxy resin sealing layers are attached to the connecting end surfaces of the plurality of test pieces and the plurality of reference electrodes and the test connecting circuit.
7. A pipeline protection effect detection method for the pipeline protection effect detection apparatus according to any one of claims 1 to 6, comprising:
arranging an accommodating space of the pipeline protection effect detection device in a non-excavation mode and fixing the pipeline protection effect detection device;
respectively connecting a plurality of probe assemblies to the damaged part of the outer wall of the pipeline, wherein the probe assemblies are connected with test equipment;
and obtaining a plurality of detection information according to the probe assemblies at different positions and the plurality of reference electrodes in different probe assemblies.
8. The detection method according to claim 7,
the opening depth of the placement space is matched with the placement depth of the pipeline to be tested.
9. The detection method according to claim 7,
the reference electrodes providing the detection information are different in use timeliness.
10. The detection method according to claim 7,
the connecting positions of the probe assemblies and the outer wall of the pipeline are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111363926.3A CN114086186A (en) | 2021-11-17 | 2021-11-17 | Pipeline protection effect detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111363926.3A CN114086186A (en) | 2021-11-17 | 2021-11-17 | Pipeline protection effect detection device and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114086186A true CN114086186A (en) | 2022-02-25 |
Family
ID=80301653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111363926.3A Pending CN114086186A (en) | 2021-11-17 | 2021-11-17 | Pipeline protection effect detection device and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114086186A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219412A (en) * | 2022-08-05 | 2022-10-21 | 北京市燃气集团有限责任公司 | Pipe jacking pipeline corrosion risk detection device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205635783U (en) * | 2016-03-28 | 2016-10-12 | 沈阳龙昌管道检测中心 | Pipeline corrosion control system tests junction box |
| CN212270243U (en) * | 2020-03-31 | 2021-01-01 | 中国石油天然气股份有限公司 | Cathode protection testing device for alpine region |
| CN113281387A (en) * | 2021-04-23 | 2021-08-20 | 国家管网集团东部原油储运有限公司 | Polarization potential measuring equipment for directional drilling pipeline and use method thereof |
-
2021
- 2021-11-17 CN CN202111363926.3A patent/CN114086186A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205635783U (en) * | 2016-03-28 | 2016-10-12 | 沈阳龙昌管道检测中心 | Pipeline corrosion control system tests junction box |
| CN212270243U (en) * | 2020-03-31 | 2021-01-01 | 中国石油天然气股份有限公司 | Cathode protection testing device for alpine region |
| CN113281387A (en) * | 2021-04-23 | 2021-08-20 | 国家管网集团东部原油储运有限公司 | Polarization potential measuring equipment for directional drilling pipeline and use method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王荣 等: "管道的腐蚀与控制", vol. 1, 西北工业大学出版社, pages: 197 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219412A (en) * | 2022-08-05 | 2022-10-21 | 北京市燃气集团有限责任公司 | Pipe jacking pipeline corrosion risk detection device and method |
| CN115219412B (en) * | 2022-08-05 | 2024-01-30 | 北京市燃气集团有限责任公司 | Device and method for detecting corrosion risk of pipe-jacking pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101639540B (en) | Method for detecting seepage passage hidden trouble of waterproof curtain | |
| CN106706029B (en) | Soil body performance monitoring device for underground structure construction and working method thereof | |
| CN101504404A (en) | Soil corrosivity evaluation method for substation grounding network in Guangdong area | |
| CN112430817B (en) | Split type device and method for buried metal pipeline corrosion parameter test probe | |
| CN114659734B (en) | Method for detecting dam leakage by combining high-density electrical method and comprehensive tracing method | |
| CN110042824B (en) | Soft soil resistivity static detection probe and use method thereof | |
| CN103063738A (en) | Detecting method of outer anti-corrosion layer of buried fuel gas steel pipeline | |
| CN111504581B (en) | Landfill area leakage detection system and method | |
| CN104947118B (en) | A kind of flexible anode breaking point detection method | |
| US6060877A (en) | Flat cathodic protection test probe | |
| CN105258765A (en) | Dam body hydrostatic level in situ automatic monitoring system and method | |
| CN107794882A (en) | A kind of geomembrane and its leakage detection method for being easy to large area leak detection | |
| CN114086186A (en) | Pipeline protection effect detection device and detection method | |
| CN108980636A (en) | Reserve underground leakage method of real-time | |
| CN202548085U (en) | Detection device for burial depth of dam cut-off wall | |
| JP3041426B1 (en) | Fill dam management system by resistivity tomography and its management method | |
| CN213517304U (en) | Monitoring device for potential change of town gas pipeline | |
| CN216767359U (en) | Fracturing monitoring experiment device | |
| CN205443455U (en) | Long distance pipeline's pipeline cathodic protection test stake | |
| CN104674230A (en) | Strength damage testing method under overprotection of buried steel pipeline | |
| CN102621191B (en) | Electrical measurement method and device for detecting high polymer cutoff wall | |
| CN112985718A (en) | Waterproof curtain evaluation system and method based on high-density resistivity method | |
| CN219772263U (en) | Cathode protection system for buried metal structures | |
| CN110699693A (en) | Cathode protection method for multipoint distribution anode grounding grid | |
| CN112832777B (en) | Tunnel monitoring and measuring system and construction method |
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 |