CN205688016U - Pipeline cathode protection multi-parameter monitoring is popped one's head in - Google Patents
Pipeline cathode protection multi-parameter monitoring is popped one's head in Download PDFInfo
- Publication number
- CN205688016U CN205688016U CN201620670931.7U CN201620670931U CN205688016U CN 205688016 U CN205688016 U CN 205688016U CN 201620670931 U CN201620670931 U CN 201620670931U CN 205688016 U CN205688016 U CN 205688016U
- Authority
- CN
- China
- Prior art keywords
- wire
- corrosion
- reference field
- section
- 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.)
- Active
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
This utility model cathodic protection multi-parameter monitoring probe relates to a kind of probe for monitoring pipeline cathode protection performance parameter.Its purpose is to the pipeline cathode protection multi-parameter monitoring probe providing a kind of work efficiency high, convenient to operate.This utility model pipeline cathode protection multi-parameter monitoring probe includes the housing of hollow, housing is divided into left half cavity and right half chamber, reference electrode is installed in left half cavity, reference electrode is inserted in left half cavity, right half intracavity is filled with encapsulating, the one side in right half chamber is provided with opening, right half intracavity is provided with corrosion coupon, corrosion coupon includes corroding section and reference field, corrosion section is corresponding with opening, it is respectively fixed with reference field current connecting leads on reference field and reference field voltage connects wire, in corrosion section, fixing corrosion section current connecting leads and corrosion section voltage connect wire respectively, it is connected reference field and the corrosion commonly connected wire of section voltage measurement with fixing at the separation of reference field in corrosion section.
Description
Technical field
This utility model relates to a kind of monitoring probe, particularly relates to a kind of for monitoring pipeline cathode protection performance parameter
Probe.
Background technology
Along with expanding economy, the urban pipe network of highly effective and safe energy transportation means and the application of long oil and gas pipeline are got over
Come the most extensive.Corrosion is the key factor affecting pipeline reliability and service life, and corrosion failure often results in huge
Big economic loss and serious societal consequence, in order to reduce the corrosion risk of buried long distance pipeline, cathodic protection is as control
The effective means of corrosion is widely applied.The various electrical parameters that pipeline cathode protection runs can reflect corrosion control
Effectiveness, often provides indirect clue for the root-cause analysis that corrosion occurs.In order to detect the cathodic protection running status of pipeline, need
Current potential on pipeline is measured.The basic skills measuring pipeline current potential mainly arranges reference electrode at pipeline, inspection
Potential difference between test tube road and reference electrode.
Corrosion is the key factor affecting pipeline reliability and service life, and corrosion failure often results in huge
Economic loss and serious societal consequence.At present, for the corrosion monitoring problem of long distance pipeline, it is common that utilize existing corruption
Erosion speed monitoring device is by multiple corruption such as monitoring holes method, weight loss method, resistance probe method, electrochemical process, electromagnetic induction methods
The corrosion rate of pipeline is monitored by erosion monitoring method.
When the corrosion condition overall to pipeline carries out omnibearing assessment, need to collect the comprehensive electricity that cathodic protection runs
Learn the related data of each side such as parameter, ambient parameter and corrosion rate, particularly collect the relevant parameter in a period of time, logical
Chang Shi: utilize existing cathodic protection monitoring device to obtain the related datas such as some comprehensive electrical parameter, ambient parameters, in conjunction with profit
The data of the corrosion rate of pipeline are obtained, then by the two item data knots of corresponding time period with existing erosion rate monitoring device
It is analyzed altogether, thus realizes corrosive pipeline situation is carried out omnibearing monitoring, utilize two covering devices to be monitored behaviour
Work gets up comparatively laborious, laborious, and when being analyzed above-mentioned two item data, needs correspondence from each test record to pluck
Taking, workload is big, and time-consumingly, efficiency is low.
Utility model content
The technical problems to be solved in the utility model is to provide high, the convenient to operate pipe cathode of a kind of work efficiency and protects
Protect multi-parameter monitoring probe.
This utility model pipeline cathode protection multi-parameter monitoring is popped one's head in, and including the housing of hollow, eight core cables are from described shell
Body top extend in described housing, and described housing is divided into left half cavity and right half chamber, and the bottom of described left half cavity is offered porose, institute
Semipermeable membrane is installed in stating hole, fully charged electrolyte solution in described left half cavity, it is installed with reference electrode in described left half cavity,
Described reference electrode is inserted in the electrolyte solution in described left half cavity, and the reference electrode of described reference electrode connects wire one
End is connected with eight core cables,
Described right half intracavity is filled with encapsulating, and the one side in described right half chamber is provided with opening, the sidewall in described right half chamber
On be installed with corrosion coupon, described corrosion coupon includes corroding section and reference field, and described corrosion section is relative with described opening
Should, described corrosion section is contacted with extraneous soil by described opening, and described reference field has been respectively fixedly connected with reference field electricity
Stream connects wire one end and one end of reference field voltage connection wire, described corrosion section is respectively fixedly connected with corrosion section electric current even
Connect one end and one end of corrosion section voltage connection wire of wire, fix at the separation of described reference field in described corrosion section
Connect one end of reference field and the corrosion commonly connected wire of section voltage measurement, at the separation of described corrosion section Yu described reference field
Place is also fixedly connected with pipeline and connects one end of wire, and described pipeline connects wire and includes that the first pipeline connects wire and the second pipe
Road connects wire, and the other end of described reference field current connecting leads, described reference field voltage connect the other end, described of wire
The corrosion other end of section current connecting leads, described corrosion section voltage connect the other end of wire, reference field and corrosion section voltage
The other end of the other end and described pipeline connection wire of measuring commonly connected wire is all connected with eight core cables.
This utility model pipeline cathode protection multi-parameter monitoring is popped one's head in, and wherein said reference electrode is bonded in described left half cavity
Inwall on.
This utility model pipeline cathode protection multi-parameter monitoring is popped one's head in, and wherein said corrosion coupon is bonded in described right half chamber
Sidewall on.
This utility model pipeline cathode protection multi-parameter monitoring pop one's head in, wherein said reference field current connecting leads one end and
Described reference field voltage connects one end of wire and is weldingly fixed on described reference field.
This utility model pipeline cathode protection multi-parameter monitoring is popped one's head in, one end of wherein said corrosion section current connecting leads
The one end connecting wire with described corrosion section voltage is weldingly fixed in described corrosion section.
This utility model pipeline cathode protection multi-parameter monitoring is popped one's head in, and wherein said reference field is public with corrosion section voltage measurement
The one end connecting wire altogether is adhesively fixed at the separation of described corrosion section and described reference field.
This utility model pipeline cathode protection multi-parameter monitoring is popped one's head in, and one end that wherein said pipeline connects wire is bonding solid
It is scheduled at the separation of described corrosion section and described reference field.
This utility model pipeline cathode protection multi-parameter monitoring is popped one's head in, and it is standby leading that wherein said second pipe connects wire
Line.
This utility model pipeline cathode protection multi-parameter monitoring probe difference from prior art is this utility model
In the hole offered bottom cathodic protection multi-parameter monitoring probe left half cavity, semipermeable membrane is installed, makes reference electrode be formed with external environment
Loop；Right half intracavity fills encapsulating, plays the fixing and effect of insulation；Described right half intracavity is provided with corrosion coupon, corrosion examination
The parameters such as the concrete shape of sheet, size can be different according to the difference of specifically used environment, make simple, it is simple to use；Its
Middle reference field is encapsulated in housing, is not involved in corrosion, and corrosion section is positioned at the opening part of housing, directly contacts with extraneous soil, ginseng
With corrosion, corrosion coupon connects and has pipeline to connect wire, connect wire by pipeline and realize the connection of corrosion coupon and pipeline
With disconnection, when corrosion coupon is in connection status with pipeline, coordinate reference electrode, such that it is able to measure pipeline energising electricity
Position, alternating voltage, DC current density and AC current density, disconnect corrosion coupon and pipeline, coordinate reference electrode thus
Pipeline switch-off potential can be measured；Reference field connects reference field current connecting leads and reference field voltage connects wire, corrodes section
Upper connection has corrosion section current connecting leads and corrosion section voltage to connect wire, connects reference field voltage and connects wire and reference field
Realizing the measurement to reference field test piece magnitude of voltage with the corrosion commonly connected wire of section voltage measurement, junction corrosion section voltage connects leads
Line and reference field realize the measurement to corrosion section test piece magnitude of voltage with the corrosion commonly connected wire of section voltage measurement, connect reference field
Current connecting leads and corrosion section current connecting leads realize the measurement to electric current, and recycling electric-resistivity method can realize pipeline rotten
The monitoring of erosion speed.Utilize this device, the monitoring to pipeline cathode protection multiparameter, operation side can be realized by aforesaid operations
Just, work efficiency is high.
In this utility model pipeline cathode protection multi-parameter monitoring probe, reference electrode uses bonding form with corrosion coupon
It is fixed on the inwall of housing, easy to operate；It is standby wire that second pipe connects wire, occurs when the first pipeline connects wire
During damage, it is also possible to directly use second pipe to connect wire, do not affect the normal use of this device, it is not necessary to this dress
Put and carry out detachable maintaining, improve work efficiency, improve stability and reliability that this device uses, and service life.
Below in conjunction with the accompanying drawings pipeline cathode protection multi-parameter monitoring of the present utility model probe is described further.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model pipeline cathode protection multi-parameter monitoring probe；
Fig. 2 is corrosion coupon and each wire thereon in this utility model pipeline cathode protection multi-parameter monitoring probe
Connect figure.
Detailed description of the invention
As it is shown in figure 1, this utility model pipeline cathode protection multi-parameter monitoring probe includes the housing 1 of hollow, eight core electricity
Cable 2 extend into housing 1 from housing 1 top, and housing 1 is divided into left half cavity and right half chamber, and the bottom of left half cavity is offered porose, in hole
Semipermeable membrane 3 is installed, fully charged electrolyte solution 4 in left half cavity, it is adhesively fixed with reference electrode 5 in left half cavity, reference electrode 5 is inserted
In the electrolyte solution 4 entered in left half cavity, the reference electrode of reference electrode 5 connects wire 6 one end and is connected with eight core cables 2
Connect,
Right half intracavity is filled with encapsulating 7, and the one side in right half chamber is provided with opening 8, and the sidewall in right half chamber fixedly mounts
Having corrosion coupon 9, corrosion coupon 9 to include corroding section 92 and reference field 91, corrosion section 92 is corresponding with opening 8, and corrosion section 92 is led to
Cross opening 8 to contact with extraneous soil, reference field 91 is respectively welded reference field current connecting leads 912 one end and reference field
Voltage connects one end of wire 911, and corrosion section 92 is respectively welded one end and the corrosion section of corrosion section current connecting leads 922
Voltage connects one end of wire 921, and be adhesively fixed at the corrosion section 92 separation with reference field 91 reference field and corrosion section electricity
Pressure measures one end of commonly connected wire 10, corrosion section 92 be adhesively fixed with pipeline at the separation of reference field 91 and be connected and lead
One end of line, pipeline connects wire and includes that the first pipeline connects wire 11 and second pipe connects wire 12, wherein second pipe
Connecting wire 12 is standby wire, and the other end of reference field current connecting leads 912, reference field voltage connect the another of wire 911
One end, the other end of corrosion section current connecting leads 922, corrosion section voltage connect the other end of wire 921, reference field and corrosion
The other end of the section commonly connected wire of voltage measurement 10 and pipeline connect the other end of wire and are all connected with eight core cables 2.
Connect wire 11 by the first pipeline when this utility model uses and realize company's make and break of corrosion coupon 9 and pipeline
Opening, the first pipeline is connected wire 11 and is connected with pipeline by eight core cables 2, reference electrode connects wire 6 by eight core cables 2
It is connected with test pile, when corrosion coupon 9 is in connection status with pipeline, connects wire 11 and reference electrode by the first pipeline
Connect wire 6 and can measure pipeline energising current potential, alternating voltage, DC current density, AC current density；When test piece and pipeline wink
Time separated, connect wire 11 by the first pipeline and reference electrode connects wire 6 and can measure pipeline switch-off potential.When the first pipe
When road connection wire 11 is damaged, it is possible to use second pipe connects wire 12 and proceeds monitoring, does not affect whole device
Normal use.
As in figure 2 it is shown, when utilizing this device that the corrosion rate of pipeline is monitored, initially with electric-resistivity method to test piece
Corrosion thickness measure, by connect reference field voltage connect wire 911 and reference field public with corrosion section voltage measurement
Connect the magnitude of voltage of reference field 91 test piece that wire 10 is surveyed, connect wire 921 and reference field with rotten by junction corrosion section voltage
The magnitude of voltage of corrosion section 92 test piece that erosion section voltage measurement commonly connected wire 10 is surveyed, by connecting reference field current connecting leads
912 electric currents surveyed with corrosion section current connecting leads 922, thus calculate corrosion section 92 test piece and the resistance of reference field 91 test piece
Value.Set up the linear relationship between resistance and thickness of test piece:
Further according to the relation of corrosion thickness Yu time, corrosion rate can be calculated.Thus realize the negative electrode to pipeline and protect
Protect the monitoring of multiparameter.
Embodiment described above is only to be described preferred implementation of the present utility model, not to this practicality
Novel scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are to this
Various deformation that the technical scheme of utility model is made and improvement, all should fall into the protection that this utility model claims determine
In the range of.
Claims (7)
1. a pipeline cathode protection multi-parameter monitoring probe, it is characterised in that: include the housing (1) of hollow, eight core cables (2)
Extending into described housing (1) from described housing (1) top, described housing (1) is divided into left half cavity and right half chamber, described left half cavity
Bottom offer porose, semipermeable membrane (3) is installed in described hole, fully charged electrolyte solution (4) in described left half cavity, a described left side half
Intracavity is installed with reference electrode (5), in the electrolyte solution (4) that described reference electrode (5) is inserted in described left half cavity,
The reference electrode of described reference electrode (5) connects wire (6) one end and is connected with eight core cables (2),
Described right half intracavity is filled with encapsulating (7), and the one side in described right half chamber is provided with opening (8), the side in described right half chamber
Being installed with corrosion coupon (9) on wall, described corrosion coupon (9) includes corroding section (92) and reference field (91), described corrosion
Section (92) is corresponding with described opening (8), and described corrosion section (92) is contacted with extraneous soil by described opening (8),
It is respectively fixedly connected with reference field current connecting leads (912) one end on described reference field (91) and reference field voltage has connected
One end of wire (911), described corrosion section (92) is respectively fixedly connected with one end and the corruption of corrosion section current connecting leads (922)
Erosion section voltage connects one end of wire (921), the company of fixing at the described corrosion section (92) separation with described reference field (91)
Connect one end of reference field and the corrosion commonly connected wire of section voltage measurement (10), at described corrosion section (92) and described reference field
(91) being also fixedly connected with pipeline at separation and connect one end of wire, described pipeline connects wire and includes that the first pipeline connects
Wire (11) and second pipe connect wire (12), the other end of described reference field current connecting leads (912), described reference field
Voltage connects the other end of wire (911), the other end of described corrosion section current connecting leads (922), described corrosion section voltage
Connect the other end of wire (921), reference field and the other end of the commonly connected wire of corrosion section voltage measurement (10) and described
Pipeline connects the other end of wire and is all connected with eight core cables (2).
Pipeline cathode protection multi-parameter monitoring the most according to claim 1 is popped one's head in, it is characterised in that: described reference electrode
(5) it is bonded on the inwall of described left half cavity.
Pipeline cathode protection multi-parameter monitoring the most according to claim 1 is popped one's head in, it is characterised in that: described corrosion coupon
(9) it is bonded on the sidewall in described right half chamber.
Pipeline cathode protection multi-parameter monitoring the most according to claim 1 is popped one's head in, it is characterised in that: described reference field electric current
The one end connecting wire (912) one end and described reference field voltage connection wire (911) is weldingly fixed on described reference field (91)
On.
Pipeline cathode protection multi-parameter monitoring the most according to claim 1 is popped one's head in, it is characterised in that: described reference field is with rotten
One end of the erosion commonly connected wire of section voltage measurement (10) is adhesively fixed on described corrosion section (92) and described reference field (91)
At separation.
Pipeline cathode protection multi-parameter monitoring the most according to claim 1 is popped one's head in, it is characterised in that: described pipeline connects leads
One end of line is adhesively fixed at the separation of described corrosion section (92) and described reference field (91).
Pipeline cathode protection multi-parameter monitoring the most according to claim 1 is popped one's head in, it is characterised in that: described second pipe is even
Connecing wire (12) is standby wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670931.7U CN205688016U (en) | 2016-06-29 | 2016-06-29 | Pipeline cathode protection multi-parameter monitoring is popped one's head in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670931.7U CN205688016U (en) | 2016-06-29 | 2016-06-29 | Pipeline cathode protection multi-parameter monitoring is popped one's head in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205688016U true CN205688016U (en) | 2016-11-16 |
Family
ID=57426255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620670931.7U Active CN205688016U (en) | 2016-06-29 | 2016-06-29 | Pipeline cathode protection multi-parameter monitoring is popped one's head in |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205688016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682661A (en) * | 2019-01-22 | 2019-04-26 | 北京市燃气集团有限责任公司 | Gas pipeline stray current disturbed test coupon and its making and use method |
| CN115598047A (en) * | 2022-10-25 | 2023-01-13 | 西南石油大学（Cn） | Automatic pipeline corrosion rate measuring instrument and application thereof |
-
2016
- 2016-06-29 CN CN201620670931.7U patent/CN205688016U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682661A (en) * | 2019-01-22 | 2019-04-26 | 北京市燃气集团有限责任公司 | Gas pipeline stray current disturbed test coupon and its making and use method |
| CN115598047A (en) * | 2022-10-25 | 2023-01-13 | 西南石油大学（Cn） | Automatic pipeline corrosion rate measuring instrument and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201477060U (en) | Crack detection device based on conductive paint | |
| CN112430817B (en) | Split type device and method for buried metal pipeline corrosion parameter test probe | |
| CN104345027B (en) | The performance detection evaluation method of soft package power lithium ion battery aluminum plastic film | |
| CN105653797B (en) | A kind of projectional technique and device of proton exchange film fuel cell electric piling assembling force | |
| CN102353628B (en) | Polarization testing probe and testing method for cathodic protection of underground steel pipelines | |
| CN207366690U (en) | A kind of device for testing membrane breakdown voltage | |
| CN204495697U (en) | A kind ofly study the experimental provision of stray current to anticorrosive coat performance impact | |
| CN103630480A (en) | Corrosion testing device for metal inside gaps under stripped coatings | |
| CN102912356A (en) | Multifunctional catholic protection test probe and test method | |
| CN205688016U (en) | Pipeline cathode protection multi-parameter monitoring is popped one's head in | |
| CN201662525U (en) | Cathode protection monitoring probe and cathode protection monitoring probe monitoring system | |
| CN205688015U (en) | pipeline cathode protection and outer corrosion rate monitoring probe | |
| CN104614678B (en) | A kind of lead-acid accumulator is internalized into the on-line measuring device and method of process battery electrode current potential | |
| CN202744629U (en) | Corrosion testing device for metal inside gaps under stripped coatings | |
| CN202214419U (en) | Multifunctional cathode protection test probe | |
| CN207908329U (en) | Probe for monitoring titanium alloy pipeline crevice corrosion in flowing seawater | |
| CN201583583U (en) | Buried gas pipeline stray current detecting device | |
| CN211112232U (en) | Intelligent cathode protection data acquisition equipment | |
| CN109541317B (en) | Earth surface test method for resistance characteristics of coating defects of buried pipeline under stray current interference | |
| CN204556594U (en) | Micro-moisture transmitter | |
| CN209039590U (en) | A kind of simple potential detection device of buried pipeline | |
| CN104120430B (en) | Inner potential Two dimensional Distribution measurement apparatus in gap under a kind of release coating | |
| CN207301248U (en) | A kind of metal galvanic couple insulation state monitoring system | |
| CN201569697U (en) | Oil gas pipeline current density measuring system | |
| CN203148900U (en) | Self-adaptive sensor for detecting grounding grid round steel bar corrosion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: East China branch of Sinopec Sales Co.,Ltd. Patentee after: China Petroleum & Chemical Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee before: EAST CHINA BRANCH, CHINA PETROCHEMICAL SALES Co.,Ltd. Patentee before: China Petroleum & Chemical Corp. |