CN106350825B - A kind of pipeline potential monitoring device and the method for monitoring pipeline different zones current potential simultaneously - Google Patents
A kind of pipeline potential monitoring device and the method for monitoring pipeline different zones current potential simultaneously Download PDFInfo
- Publication number
- CN106350825B CN106350825B CN201610938370.9A CN201610938370A CN106350825B CN 106350825 B CN106350825 B CN 106350825B CN 201610938370 A CN201610938370 A CN 201610938370A CN 106350825 B CN106350825 B CN 106350825B
- Authority
- CN
- China
- Prior art keywords
- reference electrode
- potential
- pipeline
- mounting flange
- line style
- 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
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
Abstract
The invention belongs to corrosion monitoring and detecting field, different zones potential monitoring device and the method for monitoring pipeline different zones current potential simultaneously inside more particularly to a kind of seawater pipeline.The device includes multichannel potential acquisition device (1), line style reference electrode (4) and mounting flange (3)；Wherein, the mounting flange (3) that the line style reference electrode (4) is set by its both ends is internal mounted on pipe under test (23)；Line style reference electrode (4) is connect by shielded multiconductor cable (2) with multichannel potential acquisition device (1)；By reference cable (5) is connect the reference ground terminal of multichannel potential acquisition device (1) with pipe under test (23)；The line style reference electrode (4) is linear array formula structure, including multiple equally distributed reference electrode units.The mono- ﹑ of present invention installation Bian Jie ﹑ Cao Zuo Jian are easy to use, can quickly measure and record the cathodic protection potential of different zones inside pipeline.
Description
Technical field
The invention belongs to corrosion monitoring and detecting field, different zones potential monitoring device inside more particularly to a kind of seawater pipeline
With the method for monitoring pipeline different zones current potential simultaneously.
Background technology
The monitoring of the corrosion monitoring and inner wall cathode protecting state of seawater pipeline inner wall is required for the moon of monitoring inner wall of the pipe
Pole protection potential.Inside seawater pipeline, the measuring method of conventional current potential：Hand-held Underwater Electric Potential meter or portable type reference electricity
Pole, it is difficult to realize the measurement of current potential.And the current potential of dotted reference electrode monitoring pipeline different zones is used then to pacify on pipeline
Multiple reference electrodes are filled, installation and use are inconvenient, and cannot carry out intensive acquisition to pipeline potential data.
Invention content
For above-mentioned technical problem, the object of the present invention is to provide it is a kind of it is easy to operate, control is accurate, at low cost, can be with
The quick pipeline potential monitoring device measured simultaneously and record the cathodic protection potential of different zones inside pipeline.
It is a further object to provide methods that is a kind of while monitoring pipeline different zones current potential.
To achieve these goals, the present invention provides following technical solutions：
The present invention provides a kind of pipeline potential monitoring device, which includes multichannel potential acquisition device 1, line style reference electricity
Pole 4 and mounting flange 3.
Wherein, it is mounted on to 3 waterproof sealing of mounting flange that the line style reference electrode 4 is set by its both ends and treats test tube
Inside road 23；Line style reference electrode 4 is connect by shielded multiconductor cable 2 with multichannel potential acquisition device 1；Multichannel potential acquisition
By reference cable 5 is connect the reference ground terminal of device 1 with pipe under test 23.
The line style reference electrode 4 is linear array formula structure, including multiple equally distributed reference electrode units.
The reference electrode unit includes silver/silver chloride reference electrode 7, silver/silver chloride reference electrode 7 and multicore shielding electricity
A cable core 8 in cable 2 connects, and the outer layer covers of silver/silver chloride reference electrode 7 and shielded multiconductor cable 2, which have, passes through injection
The PVC cylinders 9 of formation；The outer layer of PVC cylinders 9 is provided with PE pillars 10, and multiple electrodes hole 6, electrode are offered on PE pillars 10
Hole 6 is located at the top of silver/silver chloride reference electrode 7.
The both ends of PE pillars 10 are sealed using fluid sealant 21.
The mounting flange 3 includes upper mounting flange 15 and lower mounting flange 16；Wherein：
The lower mounting flange 16 is welded on by flange pedestal 22 in pipe under test 23；The lower mounting flange 16 and line
18 and first sealing ring 20 of seal joint is disposed between the PE pillars 10 of type reference electrode 4 from top to bottom；The sealing
The second sealing ring 19 is provided between pressure ring 18 and the PE pillars 10 of line style reference electrode 4.
The upper mounting flange 15 is fixedly connected by connecting bolt 17 with lower mounting flange 16；Upper mounting flange 15 and line
Stop nut 14 is provided between the PE pillars 10 of type reference electrode 4, stop nut 14 passes through the spiral shell with 10 outer surface of PE pillars
Line style reference electrode 4 and upper mounting flange 15 are fixed in line cooperation；It is equipped on the upper mounting flange 15 by bolt 13 anti-
Water cap 12 is equipped with cable seal head 11 on tarpaulin 12.
Angle between the flange pedestal 22 and pipe under test 23 is 30~60 degree.
The multichannel potential acquisition device 1 acquires current potential of all reference electrode units relative to pipe under test 23 simultaneously,
And it is shown and is stored.
The multichannel potential acquisition device 1 is provided with RS485 interfaces and GPRS transmitters, will by cable or GPRS signals
In data transmission to computer.
The present invention provides a kind of side for monitoring pipeline different zones current potential simultaneously using the pipeline potential monitoring device
Method, this method comprises the following steps：
1) both ends for monitoring the pipe under test 23 of current potential is needed to open a hole respectively, by the line style of pipeline potential monitoring device
Reference electrode 4 is mounted on by the mounting flange 3 that its both ends is set inside pipe under test 23；
2) medium is passed through into pipe under test 23, multichannel potential acquisition device 1 is opened and starts to monitor and record pipe under test
The current potential of 23 inner wall different zones.
In step 1), line style reference electrode 4 is connected to pair of multichannel potential acquisition device 1 by shielded multiconductor cable 2
On the multiple reference terminals answered, then by the reference of Multichannel data acquisition device terminal passes through shielded multiconductor cable 2 and pipeline
Outer wall connects.
After step 2), it will be monitored in real time in obtained data transmission to computer or data carried out into one
Step analysis.
Compared with prior art, the beneficial effects of the present invention are：
1) present invention can be carried out at the same time the measurement of the protection potential distribution of different zones cathodic protection inside seawater pipeline,
And it can be obtained inside pipeline according to the current potential for adjusting the distance between reference electrode acquisition pipeline arbitrary interval distance
Detailed Potential distribution situation, the corrosion monitoring for inner wall of the pipe provide detailed data.
2) present invention can carry out the pipeline current potential of all reference electrode positions data real-time display and storage, and by number
According to being transferred on teletransmission computer.
3) present invention is easy to install and use, it is only necessary to which two holes are opened on pipeline to install, and solved using conventional dotted
It needs opening the problem of large number of orifices installs reference electrode on pipeline when reference electrode acquires pipeline current potential.
Description of the drawings
Fig. 1 is pipeline potential detection device overall structure diagram；
Fig. 2 is I portions partial enlarged view, the i.e. Longitudinal cross section schematic of reference electrode unit in Fig. 1；
Fig. 3 is the cross-sectional view of reference electrode unit；
Fig. 4 is the structure diagram of mounting flange 3.
Reference numeral therein is：
1 multichannel potential acquisition device, 2 shielded multiconductor cable
3 mounting flange, 4 line style reference electrode
5 references ground, 6 electrode hole of cable
7 silver medals/8 cable core of silver chloride reference electrode
9 PVC cylinders, 10 PE is managed
11 cable seal head, 12 tarpaulin
13 bolt, 14 stop nut
16 times mounting flanges of mounting flange on 15
17 connection 18 watertight pressure rings of bolt
19 second sealing ring, 20 first sealing ring
21 fluid sealant, 22 flange pedestal
23 pipe under test
Specific embodiment
The present invention is further described with reference to embodiment.
As shown in Figure 1, a kind of pipeline potential monitoring device of the present invention, including multichannel potential acquisition device 1, line style reference
Electrode 4 and mounting flange 3.
Wherein, the line style reference electrode 4 is mounted on by the mounting flange 3 that its both ends is set inside pipe under test 23；
Line style reference electrode 4 is connect by shielded multiconductor cable 2 with multichannel potential acquisition device 1；The reference of multichannel potential acquisition device 1
By reference cable 5 is connect ground terminal with pipe under test 23.
The line style reference electrode 4 is linear array formula structure, including multiple equally distributed reference electrode units, reference
The quantity and spacing distance of electrode unit need the region monitored to design according to pipe under test 23.Such as one section 5 meters of pipeline needs
4 monitoring points are set and do not have special monitoring region, then reference electrode quantity is 4, and spacing distance is 1 meter.
As shown in Figures 2 and 3, reference electrode unit includes silver/silver chloride reference electrode 7, silver/silver chloride reference electrode 7
From a cable core 8 in shielded multiconductor cable 2 connect one to one i.e. different silver/silver chloride reference electrode 7 with it is different
Cable core 8 connects；The outer layer covers of silver/silver chloride reference electrode 7 and shielded multiconductor cable 2 have to be justified by being molded the PVC formed
Column 9；The outer layer of PVC cylinders 9 is provided with PE pillars 10, and multiple electrodes hole 6 is offered on PE pillars 10, and electrode hole 6 is located at silver/chlorine
Change the top of silver-colored reference electrode 7.
As shown in figure 4, the both ends of PE pillars 10 are sealed using fluid sealant 21.
As shown in figure 4, mounting flange 3 includes upper mounting flange 15 and lower mounting flange 16；
The lower mounting flange 16 is welded on by flange pedestal 22 in pipe under test 23；Flange pedestal 22 and pipe under test
Angle between 23 is 30~60 degree, preferably 45 degree, is pierced by from lower mounting flange 16 convenient for line style reference electrode 4.
Sealing pressure is disposed between the lower mounting flange 16 and the PE pillars 10 of line style reference electrode 4 from top to bottom
18 and first sealing ring 20 of ring；The second sealing is provided between the seal joint 18 and the PE pillars 10 of line style reference electrode 4
Circle 19, the second sealing ring 19 and the first sealing ring 20 can ensure the leakproofness that line style reference electrode 4 is mounted in pipe under test 23.
The upper mounting flange 15 is fixedly connected by connecting bolt 17 with lower mounting flange 16.Upper mounting flange 15 and line
Stop nut 14 is provided between the PE pillars 10 of type reference electrode 4, stop nut 14 passes through the spiral shell with 10 outer surface of PE pillars
Line style reference electrode 4 and upper mounting flange 15 are fixed in line cooperation.It is equipped on the upper mounting flange 15 by bolt 13 anti-
Water cap 12 is equipped with cable seal head 11 on tarpaulin 12.
The multichannel potential acquisition device 1 can acquire electricity of all reference electrode units relative to pipe under test 23 simultaneously
Position, and shown and stored.The multichannel potential acquisition device 1 is provided with RS485 interfaces and GPRS transmitters, can pass through line
Cable or GPRS signals are transferred data on computer.
The method that pipeline different zones current potential is monitored while of the invention, including：
A hole is opened respectively at the both ends for needing the pipe under test 23 for monitoring current potential, by the line style of pipeline potential monitoring device
Reference electrode 4 is mounted on by the mounting flange 3 that its both ends is set inside pipe under test 23；
Medium is passed through into pipe under test 23, multichannel potential acquisition device 1 is opened and starts to monitor and record pipe under test 23
The current potential of inner wall different zones.
The course of work of the present invention is as follows：
At the both ends for needing the pipe under test 23 for monitoring current potential a hole is opened respectively, and lower mounting flange 16 is respectively welded
Flange pedestal 22, by line style reference electrode 4, mounting flange 16 is pierced by under both ends, and is fixed by upper mounting flange 15.
Line style reference electrode 4 is connected to corresponding multiple ginsengs of multichannel potential acquisition device 1 by shielded multiconductor cable 2
Than on terminal, then by the reference of Multichannel data acquisition device 1 by reference cable 5 is connect terminal with pipe under test 23.
Medium is passed through into pipe under test 23, opening multichannel potential acquisition device 1 can start to monitor and record in pipeline
The current potential of wall different zones.Silver/chlorination in the pipeline location setting line style reference electrode 4 that can be monitored as needed during practical operation
The position of silver-colored reference electrode 7 and spacing distance.
Monitoring data can be transferred in computer and be monitored in real time or by number by RS485 interfaces and GPRS signals
According to being further analyzed.
Claims (10)
1. a kind of pipeline potential monitoring device, it is characterised in that：The device includes multichannel potential acquisition device (1), line style reference
Electrode (4) and mounting flange (3)；
Wherein, it is mounted on to mounting flange (3) waterproof sealing that the line style reference electrode (4) is set by its both ends and treats test tube
Road (23) is internal；Line style reference electrode (4) is connect by shielded multiconductor cable (2) with multichannel potential acquisition device (1)；Multichannel
By reference cable (5) is connect the reference ground terminal of potential acquisition device (1) with pipe under test (23)；
The line style reference electrode (4) is linear array formula structure, including multiple equally distributed reference electrode units.
2. pipeline potential monitoring device according to claim 1, it is characterised in that：The reference electrode unit include silver/
Silver chloride reference electrode (7), silver/silver chloride reference electrode (7) are connect with a cable core (8) in shielded multiconductor cable (2),
The outer layer covers of silver/silver chloride reference electrode (7) and shielded multiconductor cable (2) have by being molded the PVC cylinders (9) formed；PVC
The outer layer of cylinder (9) is provided with PE pillars (10), and multiple electrodes hole (6) is offered on PE pillars (10), and electrode hole (6) is located at
The top of silver/silver chloride reference electrode (7).
3. pipeline potential monitoring device according to claim 2, it is characterised in that：The both ends of PE pillars (10) are using sealing
Glue (21) seals.
4. pipeline potential monitoring device according to claim 1, it is characterised in that：The mounting flange (3) includes upper peace
Fill flange (15) and lower mounting flange (16)；Wherein：
The lower mounting flange (16) is welded on by flange pedestal (22) in pipe under test (23)；The lower mounting flange (16)
It is disposed with seal joint (18) and the first sealing ring from top to bottom between the PE pillars (10) of line style reference electrode (4)
(20)；The second sealing ring (19) is provided between the seal joint (18) and the PE pillars (10) of line style reference electrode (4)；
The upper mounting flange (15) is fixedly connected by connecting bolt (17) with lower mounting flange (16)；Upper mounting flange (15)
Be provided with stop nut (14) between the PE pillars (10) of line style reference electrode (4), stop nut (14) by with PE pillars
(10) thread fitting of outer surface is fixed by line style reference electrode (4) and upper mounting flange (15)；The upper mounting flange (15)
It is upper that tarpaulin (12) is equipped with by bolt (13), cable seal head (11) is installed on tarpaulin (12).
5. pipeline potential monitoring device according to claim 4, it is characterised in that：The flange pedestal (22) is with treating test tube
Angle between road (23) is 30~60 degree.
6. pipeline potential monitoring device according to claim 1, it is characterised in that：The multichannel potential acquisition device (1)
Current potential of all reference electrode units relative to pipe under test (23) is acquired, and shown and stored simultaneously.
7. pipeline potential monitoring device according to claim 1, it is characterised in that：The multichannel potential acquisition device (1)
RS485 interfaces and GPRS transmitters are provided with, is transferred data on computer by cable or GPRS signals.
8. a kind of method for monitoring pipeline different zones current potential simultaneously using pipeline potential monitoring device described in claim 1,
It is characterized in that：This method comprises the following steps：
1) both ends for monitoring the pipe under test (23) of current potential is needed to open a hole respectively, the line style of pipeline potential monitoring device is joined
It is more internal mounted on pipe under test (23) than the mounting flange (3) that electrode (4) is set by its both ends；
2) medium is passed through into pipe under test (23), multichannel potential acquisition device (1) is opened and starts to monitor and record pipe under test
(23) current potential of inner wall different zones.
9. monitoring method according to claim 8, it is characterised in that：In step 1), line style reference electrode (4) is by more
Core shielded cable (2) is connected on corresponding multiple reference terminals of multichannel potential acquisition device (1), then by multi-channel data
The reference of collector terminal connect by shielded multiconductor cable (2) with pipeline outer wall.
10. monitoring method according to claim 8, it is characterised in that：After step 2), obtained data transmission is arrived
It is monitored in real time in computer or data is further analyzed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938370.9A CN106350825B (en) | 2016-10-25 | 2016-10-25 | A kind of pipeline potential monitoring device and the method for monitoring pipeline different zones current potential simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938370.9A CN106350825B (en) | 2016-10-25 | 2016-10-25 | A kind of pipeline potential monitoring device and the method for monitoring pipeline different zones current potential simultaneously |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106350825A CN106350825A (en) | 2017-01-25 |
| CN106350825B true CN106350825B (en) | 2018-07-03 |
Family
ID=57864264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610938370.9A Active CN106350825B (en) | 2016-10-25 | 2016-10-25 | A kind of pipeline potential monitoring device and the method for monitoring pipeline different zones current potential simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106350825B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740117B (en) * | 2017-11-30 | 2019-05-03 | 天津港设施管理服务公司 | A kind of externally positioned type impressed current cathodic protection monitoring system |
| CN114855175A (en) * | 2022-04-27 | 2022-08-05 | 北京科技大学 | Traversing transverse dragging type reference electrode system of directional drill |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013212725A1 (en) * | 2013-06-28 | 2014-12-31 | Ksb Aktiengesellschaft | Fluid-carrying system with cathodic corrosion protection |
| CN104651853A (en) * | 2013-11-22 | 2015-05-27 | 中国石油天然气股份有限公司 | Cathodic protection monitoring device and method |
| CN206127428U (en) * | 2016-10-25 | 2017-04-26 | 青岛钢研纳克检测防护技术有限公司 | Pipeline current potential monitoring devices |
-
2016
- 2016-10-25 CN CN201610938370.9A patent/CN106350825B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106350825A (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104515730B (en) | HTHP monitors dissolved oxygen, pH buffering agent evaluation apparatus and detection method in real time | |
| CN109236244B (en) | three-dimensional comprehensive reservoir hydrate simulation analysis device | |
| CN102353628A (en) | Polarization testing probe and testing method for cathodic protection of underground steel pipelines | |
| CN106350825B (en) | A kind of pipeline potential monitoring device and the method for monitoring pipeline different zones current potential simultaneously | |
| CN108298216A (en) | The monitoring system and method for oil storage tank leakage | |
| CN205720093U (en) | Metal pipeline corrosion data acquisition unit | |
| CN206127428U (en) | Pipeline current potential monitoring devices | |
| CN205642541U (en) | Ground water level measures sample thief | |
| CN208476736U (en) | A kind of earth-rock dam seepage farm monitoring system | |
| CN106706047A (en) | Underwater multiphase flowmeter based on Ba133 | |
| CN102912356A (en) | Multifunctional catholic protection test probe and test method | |
| CN108709917A (en) | Tubular type TDR soil moisture sensors | |
| CN107340318B (en) | Structural testing device and method for underground water and coal sample in pressurizing process | |
| CN106768161B (en) | Underground water level measurement method | |
| CN1657895A (en) | On-line monitoring alarm device for leakage of water cooler | |
| CN208199440U (en) | The monitoring system of oil storage tank leakage | |
| KR20170136306A (en) | Device and system for detecting oil leakage using resistance sensor and hydraulic control trap | |
| CN103697332A (en) | Device and method for online leakage detection of buried water conveying pipeline | |
| CN208188032U (en) | Tubular type TDR soil moisture sensor | |
| CN106093133B (en) | Electric conduction type sensor and two-phase flow fluid parameter measuring device | |
| US11408796B2 (en) | Continuous monitoring device for detecting defects in a section of piping and a monitoring system fitted with at least two monitoring devices | |
| CN202075207U (en) | Corrosion detection sensor for grounding downlead of grounding grid | |
| US10018582B2 (en) | Permanent soil and subsoil measurement probe | |
| CN109060925A (en) | For the experiment device for couple corrosion under high temperature and high pressure environment | |
| CN210858727U (en) | Monitoring device for gas-slag interface height in soil bin of combined shield tunneling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | 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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190122 Address after: 266071 room 1009, block B, pioneering building, 1 intelligence island road, hi tech Zone, Qingdao, Shandong. Patentee after: Qingdao CISRI Nanogram Detection Protection Technology Co., Ltd. Address before: 266071 room 1009, block B, pioneering building, 1 intelligence island road, hi tech Zone, Qingdao, Shandong. Co-patentee before: CISRI Qingdao Marine Corrosion Institute Patentee before: Qingdao CISRI Nanogram Detection Protection Technology Co., Ltd. |