CN110219007B - Potential detecting device - Google Patents
Potential detecting device Download PDFInfo
- Publication number
- CN110219007B CN110219007B CN201910569415.3A CN201910569415A CN110219007B CN 110219007 B CN110219007 B CN 110219007B CN 201910569415 A CN201910569415 A CN 201910569415A CN 110219007 B CN110219007 B CN 110219007B
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- CN
- China
- Prior art keywords
- conductive
- reference electrode
- connecting piece
- control mechanism
- pipeline
- 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.)
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Links
- 238000004210 cathodic protection Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 5
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 239000012466 permeate Substances 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000007547 defect Effects 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
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses a potential detection device, and relates to the field of electric detection. The device comprises: the device comprises a detector, a control mechanism and a conductive pipeline, wherein the conductive pipeline is arranged in an object to be detected according to a preset arrangement rule, a reference electrode and the control mechanism are arranged in the conductive pipeline, the reference electrode is connected with the detector, and the control mechanism is used for controlling the reference electrode to move in the conductive pipeline. According to the potential detection device provided by the invention, the control mechanism is used for controlling the reference electrode to move in the preset conductive pipeline, so that the real-time monitoring of the cathodic protection potential can be realized, and the cathodic protection in the storage tank can be effectively evaluated.
Description
Technical Field
The invention relates to the field of electric detection, in particular to a potential detection device.
Background
Currently, in the field of petroleum and natural gas industry, the existing cathode protection of the outer wall of a bottom plate of a storage tank adopts a sacrificial anode or impressed current method. However, the existing cathodic protection potential monitoring device has a certain defect that the detection position of the cathodic protection potential monitoring device is fixed relative to the bottom plate of the storage tank, and the cathodic protection potential of each part of the outer wall of the bottom plate of the storage tank cannot be flexibly detected.
Disclosure of Invention
The invention aims to solve the technical problem of providing a potential detection device aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows:
A potential detecting device comprising: the detector, control mechanism and conductive pipeline, conductive pipeline is arranged in the article of waiting to detect according to predetermineeing the rule of arranging, be provided with reference electrode and control mechanism in the conductive pipeline, the reference electrode with the detector is connected, control mechanism is used for controlling the reference electrode is in the conductive pipeline is internal to be removed.
The beneficial effects of the invention are as follows: according to the potential detection device provided by the invention, the control mechanism is used for controlling the reference electrode to move in the preset conductive pipeline, so that the real-time monitoring of the cathodic protection potential can be realized, and the cathodic protection in the storage tank can be effectively evaluated.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Drawings
FIG. 1 is a schematic diagram of a potential detecting device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a conductive pipeline according to another embodiment of the present invention.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1, a schematic structural diagram is provided for an embodiment of a potential detecting device of the present invention, where the potential detecting device includes: the detector 10, the control mechanism 20 and the conductive pipeline 30, the conductive pipeline 30 is arranged in the object 40 to be detected according to a preset arrangement rule, the reference electrode 50 and the control mechanism 20 are arranged in the conductive pipeline 30, the reference electrode 50 is connected with the detector 10, and the control mechanism 20 is used for controlling the reference electrode 50 to move in the conductive pipeline 30.
It should be appreciated that the detector 10 may be a cathodic protection test pile or a cathodic protection test well, for example, model number HL-CS-1. The test pile of this model comprises mark stake, stake seat and protection potential detector, and protection potential detector sets up in the stake seat, is equipped with two terminal of protection potential detector in stake seat week side, and one of them terminal connects the probe, and another connects the check point at the measured pipeline.
In the present application, one terminal of the test stake may be connected to the reference electrode 50 and the other terminal may be connected to the object 40 to be tested.
The control mechanism 20 can be set according to actual requirements. For example, control mechanism 20 may be a string having one end connected to reference electrode 50 and the other end extending from conductive line 30 such that reference electrode 50 may be moved within conductive line 30 by pulling the string.
For another example, the control mechanism 20 may be a rod, one end of which is connected to the reference electrode 50 and the other end of which extends from the conductive line 30, such that the reference electrode 50 can be moved within the conductive line 30 by dragging the rod.
For another example, a micro-rail may be disposed in the conductive line 30, and the reference electrode 50 may be mounted on a rail mount such that the reference electrode 50 moves within the conductive line 30.
It should be understood that the arrangement rule of the conductive pipeline 30 may be set according to actual requirements, and the arrangement may be performed according to actual requirements, so that, in order to achieve the electrical connection between the conductive pipeline 30 and the object 40 to be detected, the conductive pipeline 30 and the object 40 to be detected should be contacted, or be electrically connected through other conductive media.
The working procedure of the present invention will be described below by taking the detection of the cathodic protection potential outside the tank floor as an example. The conductive pipeline 30 is laid on the bottom of the storage tank in advance, so that the conductive pipeline 30 is in contact with the bottom of the storage tank, and when the reference electrode 50 moves in the conductive pipeline 30, the cathode protection potential of each position of the bottom of the storage tank can be obtained by the detector 10 through the conduction of the conductive pipeline 30.
According to the potential detection device provided by the embodiment, the control mechanism 20 controls the reference electrode 50 to move in the preset conductive pipeline 30, so that the real-time monitoring of the cathodic protection potential can be realized, and the cathodic protection inside the storage tank can be effectively evaluated.
Optionally, in some embodiments, as shown in fig. 2, the conductive line 30 includes: the insulating outer layer is provided with gaps which are distributed according to a preset interval.
When detecting the cathode protection potential of the outer wall of the storage tank bottom plate, the conductive pipeline 30 can be laid in the fine sand layer at the bottom of the storage tank in advance, then the pipeline is filled with water, so that the water can infiltrate into the fine sand layer through the gaps and contact the storage tank bottom plate, and the reference electrode 50 is electrically communicated with the storage tank bottom plate through the water, thereby realizing detection of the cathode protection potential of the outer wall of the storage tank bottom plate.
In order to achieve good water seepage effect, a gap with the width of 2mm and the length of 25mm can be arranged.
Optionally, in some embodiments, the outer surface of the conductive pipe 30 is wrapped with a nonwoven fabric.
When detecting storage tank bottom plate outer wall cathodic protection potential, through the parcel at conductive line 30 surface has the non-woven fabrics, can reach good sand prevention infiltration effect, improves the practicality of this device.
Optionally, in some embodiments, the control mechanism 20 comprises: and a first connection member having one end connected to one end of the reference electrode 50 and the other end extending from one end of the conductive line 30.
Optionally, in some embodiments, the first connector is a non-conductive rod, bar or bar.
Optionally, in some embodiments, the control mechanism 20 comprises: and one end of the second connecting piece is connected with one end of the reference electrode 50, the other end of the second connecting piece extends out from one end of the conductive pipeline 30, one end of the third connecting piece is connected with the other end of the reference electrode 50, and the other end of the third connecting piece extends out from the other end of the conductive pipeline 30.
Optionally, in some embodiments, the second connector is a non-conductive cord or wire and the third connector is a non-conductive cord or wire.
Preferably, the second connecting member may be a nylon rope, and the second connecting member may also be a nylon rope.
Optionally, in some embodiments, the detector 10 is a cathodic protection test pile or a cathodic protection test well.
It is to be understood that in some embodiments, some or all of the alternatives described in the various embodiments above may be included.
In the description of the present specification, a description referring to the terms "embodiment one", "embodiment two", "example", "specific example" or "some examples", etc., means that a specific method, apparatus or feature described in connection with the embodiment or example is included in at least one embodiment or example of the present invention.
In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, methods, apparatus, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (3)
1. A potential detecting device, characterized by comprising: the device comprises a detector, a control mechanism and a conductive pipeline, wherein the conductive pipeline is arranged in an object to be detected according to a preset arrangement rule, a reference electrode and the control mechanism are arranged in the conductive pipeline, the reference electrode is connected with the detector, and the control mechanism is used for controlling the reference electrode to move in the conductive pipeline;
The conductive pipe includes: the insulation outer layer is provided with gaps which are distributed according to preset intervals;
When the cathode protection potential of the outer wall of the storage tank bottom plate is detected, the conductive pipeline is laid in a fine sand layer at the bottom of the storage tank in advance, then the conductive pipeline is filled with water, so that water permeates into the fine sand layer through a gap and contacts the storage tank bottom plate, and the reference electrode is electrically communicated with the storage tank bottom plate through the water, so that the cathode protection potential of the outer wall of the storage tank bottom plate is detected;
The control mechanism includes: one end of the first connecting piece is connected with one end of the reference electrode, and the other end of the first connecting piece extends out of one end of the conductive pipeline;
the first connecting piece is a non-conductive stick, bar or rod;
The control mechanism includes: the second connecting piece and the third connecting piece, one end of the second connecting piece is connected with one end of the reference electrode, the other end of the second connecting piece extends out of one end of the conductive pipeline, one end of the third connecting piece is connected with the other end of the reference electrode, and the other end of the third connecting piece extends out of the other end of the conductive pipeline;
the second connecting piece is a non-conductive rope or wire, and the third connecting piece is a non-conductive rope or wire.
2. The electrical potential detecting device of claim 1, wherein the outer surface of the conductive pipe is wrapped with a nonwoven fabric.
3. The potential detection device of claim 1 or 2, wherein the detector is a cathodic protection test pile or a cathodic protection test well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569415.3A CN110219007B (en) | 2019-06-27 | 2019-06-27 | Potential detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569415.3A CN110219007B (en) | 2019-06-27 | 2019-06-27 | Potential detecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110219007A CN110219007A (en) | 2019-09-10 |
| CN110219007B true CN110219007B (en) | 2024-06-07 |
Family
ID=67815034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910569415.3A Active CN110219007B (en) | 2019-06-27 | 2019-06-27 | Potential detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110219007B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101045994A (en) * | 2006-03-29 | 2007-10-03 | 宝山钢铁股份有限公司 | Sacrificial anode or cathod protected automatic detecting and treating system |
| KR101463893B1 (en) * | 2014-07-02 | 2014-11-20 | 주식회사 하이드로넷 | Apparatus for measuring the quality of water having an automatic anticorrosion fuction |
| CN108374177A (en) * | 2018-04-25 | 2018-08-07 | 宣城市飞诚环保科技有限公司 | A kind of metallic material corrosion equipment |
| CN210140629U (en) * | 2019-06-27 | 2020-03-13 | 中国石油工程建设有限公司北京设计分公司 | Electric potential detection device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6744265B2 (en) * | 2002-04-04 | 2004-06-01 | Cc Technologies Systems, Inc. | Automated cathodic protection monitor and control system |
| GB2486687A (en) * | 2010-12-20 | 2012-06-27 | Expro North Sea Ltd | Impressed current cathodic protection systems and monitoring |
-
2019
- 2019-06-27 CN CN201910569415.3A patent/CN110219007B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101045994A (en) * | 2006-03-29 | 2007-10-03 | 宝山钢铁股份有限公司 | Sacrificial anode or cathod protected automatic detecting and treating system |
| KR101463893B1 (en) * | 2014-07-02 | 2014-11-20 | 주식회사 하이드로넷 | Apparatus for measuring the quality of water having an automatic anticorrosion fuction |
| CN108374177A (en) * | 2018-04-25 | 2018-08-07 | 宣城市飞诚环保科技有限公司 | A kind of metallic material corrosion equipment |
| CN210140629U (en) * | 2019-06-27 | 2020-03-13 | 中国石油工程建设有限公司北京设计分公司 | Electric potential detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110219007A (en) | 2019-09-10 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210219 Address after: 100120 No.6 liupukang street, Xicheng District, Beijing Applicant after: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: BEIJING DWELL PETROLEUM & GAS TECHNOLOGY DEVELOPMENT Co.,Ltd. Applicant after: CNPC ENGINEERING DESIGN Co.,Ltd. Address before: 100085 room 301-303, 3 / F, block B, No.22, Shangdi Information Road, Haidian District, Beijing Applicant before: BEIJING DESIGN BRANCH OF CHINA PETROLEUM ENGINEERING CONSTRUCTION Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant |