CN208705265U - A kind of lossless Monitoring Corrosion probe of pipeline - Google Patents
A kind of lossless Monitoring Corrosion probe of pipeline Download PDFInfo
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- CN208705265U CN208705265U CN201821438554.XU CN201821438554U CN208705265U CN 208705265 U CN208705265 U CN 208705265U CN 201821438554 U CN201821438554 U CN 201821438554U CN 208705265 U CN208705265 U CN 208705265U
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- probe
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Abstract
The utility model provides a kind of lossless Monitoring Corrosion probe of pipeline, belongs to electrochemical corrosion monitoring device field, the lossless Monitoring Corrosion probe of the pipeline includes the first matrix, metal probe, second matrix etc..Metal probe includes reference metal silk and sensing metal silk, wherein, sensing metal silk is exposed in the corrosive gas or liquid in pipeline, reference metal silk is sealed in the first intrinsic silicon, the voltage ratio of sensing metal silk and reference metal silk is measured by external equipment to monitor gas in pipelines or liquid in real time to the extent of corrosion of sensing metal silk, reflect gas in pipelines or liquid indirectly to the extent of corrosion of pipeline, in the case where not opening conduits, that is, can determine the health status of pipeline.
Description
Technical field
The utility model relates to electrochemical corrosion monitoring device fields, rotten in particular to a kind of lossless metal of pipeline
Lose monitoring probe.
Background technique
Pipeline transportation is the main means of transportation of the resources such as oily gas and water, generallys use the pipe of the metal materials such as low-alloy steel
Road, during long-time is on active service, these metal materials are often easy the corrosion by corrosive medium in ambient enviroment, to reduce
The mechanical properties such as the intensity and toughness of metal material destroy the electronics and optical characteristics of metal material, and that shortens pipeline uses the longevity
Life, or even catastrophic accident and huge economic loss are caused, therefore, certain measure is taken effectively to monitor metal material
Corrosion condition is vital.
Conventional monitoring means is to install a metal bar identical with pipe material in the duct, records metal bar
Green diameter regularly schedules the extent of corrosion that staff checks metal bar.When checking, staff is by metal bar from pipeline
Middle taking-up measures and records the current diameter of metal bar, the time used by this diameter compared with green diameter and divided by pipeline
The corrosion rate of pipeline can be calculated, the operating process of such monitoring corrosion rate is more coarse, passes through the measurement side of physics
The metal bar diameter change that formula obtains, low measurement accuracy, and the process measured is inconvenient, need to by by the metal bar of side from
It takes out and measures in pipeline.
Utility model content
One of the purpose of this utility model is to provide a kind of Monitoring Corrosion probe, passes through the monitoring means of electrochemistry
Accomplish real-time, high-precision metal objects corrosion rate monitoring.
The another object of the utility model is to provide a kind of Monitoring Corrosion that pipeline is lossless probe, metallic conduit with
Monitoring probe can be tightly connected, and prevent corrosive goods from setting leakage.
At least one of in order to solve the above-mentioned technical problem, the utility model provides following technical scheme:
A kind of Monitoring Corrosion probe, comprising: probe matrix and metal probe；Metal probe is plugged on probe matrix
First end, metal probe include reference metal silk and sensing metal silk, and reference metal silk is sealed in probe intrinsic silicon, sensing
Wire is located at the probe matrix outer.
Further, in the alternative embodiment of the utility model, metal probe is by reference metal silk and sensing metal silk
It is integrally formed.
Further, in the alternative embodiment of the utility model, reference metal silk is linear type, and sensing metal silk is U
Type；The both ends of sensing metal silk pass through the first end of probe matrix, are located in the probe matrix, reference metal silk and biography
Feel the either end connection of wire.
Further, in the alternative embodiment of the utility model, epoxy resin, reference metal are filled in probe matrix
Silk is wrapped in the epoxy resin.
Further, in the alternative embodiment of the utility model, probe matrix includes the first matrix and the second matrix, the
One matrix is hollow tubular structure, and the second matrix is circular cover, and the second matrix blocks the first end in the first matrix, reference
Wire is located at the inside of the second matrix and is plugged on the second matrix, and sensing metal silk is located at the outside of the second matrix and grafting
On the second matrix.
Further, in the alternative embodiment of the utility model, Monitoring Corrosion probe further includes shield, protection
Cover is connected on the first end of probe matrix and is located at around sensing metal silk.
Further, in the alternative embodiment of the utility model, shield surface offers multiple turbulent holes, prevents oil
Dirt etc. is attached to U-shaped detecting probe surface.
A kind of lossless Monitoring Corrosion probe of pipeline, it is suitable for monitoring the situation that is corroded of metallic conduit, metal tube
Through-hole is offered on road, the lossless Monitoring Corrosion probe of pipeline is mounted on lead to the hole site, and the first end for matrix of popping one's head in is complete
It protrudes into metallic conduit entirely, it is pipe line steel that the material of metal probe is identical as the monitored material of metallic conduit.
Further, in the alternative embodiment of the utility model, probe matrix first end and the second end it
Between be provided with interconnecting piece, interconnecting piece outer surface is provided with taper pipe thread；Through-hole is offered on metallic conduit, through-hole wall opens up
There is the taper pipe thread of same specification, the lossless Monitoring Corrosion probe of pipeline is threadedly coupled with metallic conduit.
Further, in the alternative embodiment of the utility model, anti-falling piece is provided between first end and interconnecting piece；
And the outer diameter of anti-falling piece is greater than the aperture of through-hole.
The beneficial effects of the utility model include: that pipeline provided by the utility model lossless Monitoring Corrosion probe can be with
The situation that is corroded inside metal objects is monitored using the two-part metal probe being arranged in probing shell.Wherein, metal
Probe is connected in series by reference metal silk and sensing metal silk, and reference metal silk is sealed in probing shell, and sensing metal silk exists
The inside (such as in pipeline) of metal objects is exposed to when use.In monitoring, operator is measured by external equipment and is sensed
The voltage ratio of wire and reference metal silk to monitor the corrosion of gas or liquid to metal probe in metal objects in real time
Degree, and then know that metal objects are corroded situation.Further, the lossless Monitoring Corrosion of pipeline provided by the utility model
Probe, which is applied to the metal objects with inner cavity, it is rotten to obtain accurate metal objects in the case where not opening metal objects
Lose the data of rate.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the explosive view for the Monitoring Corrosion probe that the utility model embodiment provides；
Fig. 2 is the schematic diagram of probe matrix in the probe of Monitoring Corrosion shown in Fig. 1；
Fig. 3 is the scheme of installation of metal probe and socket in the probe of Monitoring Corrosion shown in Fig. 1；
Fig. 4 is that the installation that the lossless Monitoring Corrosion of pipeline that the utility model embodiment provides is popped one's head in the duct is shown
It is intended to.
Icon: 100- Monitoring Corrosion probe；The first matrix of 110-；The second mounting portion of 111-；112- anti-falling piece；113-
Taper pipe thread；The first mounting portion of 114-；The second matrix of 120-；130- metal probe；131- reference metal silk；132- sensing gold
Belong to silk；140- shield；200- pipeline.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that the orientation of the instructions such as term " on ", "lower", "inner", "outside"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can be expressed
Or implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or
Two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, the arts such as term " installation ", " fixation ", " connection "
Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be direct phase
Even, can also indirectly connected through an intermediary, the interaction that can be connection or two elements inside two elements is closed
System.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Shown in referring to Fig.1, the Monitoring Corrosion probe 100 in the present embodiment includes the first matrix 110, metal probe
130,140 4 components of the second matrix 120 and shield, entire first matrix 110 use hollow tubular structure, the first matrix
110 have opposite first end and second end, and second end is provided with the second mounting portion 111, first end is provided with the first peace
Dress portion 114, the second mounting portion 111 are fixedly connected with external aviation plug, the first mounting portion 114 and the fixed company of shield 140
It connects.Metal probe 130 is connected in series by reference metal silk 131 and sensing metal silk 132；Second matrix 120 is blocked in the first base
The first end of body 110, the second matrix 120 is towards reference metal silk 131 is provided on the surface of the first matrix 110, in the second base
Body 120 towards being provided with sensing metal silk 132 on the surface of shield 140, aviation plug above-mentioned by conducting wire respectively with ginseng
It is electrically connected than wire 131, sensing metal silk 132.
Further, in order to prevent between the gas in pipeline 200 or penetration by liquid the second matrix 120 and the first matrix 110
Gap penetrate into and corrode reference metal silk 131 in the first matrix 110, in the first matrix 110 of this metal corrosion monitoring sensor 100
It is filled with epoxy resin, epoxy resin is fully wrapped around by reference metal silk 131, avoids reference metal silk 131 by pipeline 200
Gas, liquid or gas-liquid mixture corrosion.
Further, referring to shown in Fig. 2, metal probe 130 is by an one metal wire by being bent to form, wherein is bent
U-shaped part be sensing metal silk 132, and being connected to the part that 132 one end of sensing metal silk is of a straight line type is reference
Wire 131.Second matrix 120 be it is discoid, shape is mutually matched with the opening in 110 first end of the first matrix.Second
Through-hole there are two opening up on matrix 120, two ends of sensing metal silk 132 are plugged at aforementioned through-hole respectively.Reference metal
The one end of silk 131 connecting with sensing metal silk 132 also is located at through hole.131 integral sealing of reference metal silk is in the first matrix
In 110, sensing metal silk 132 is integrally located in shield 140.
Due to comparatively fine in 130 structure of metal probe, when flow rate of water flow is too fast in pipeline 200, it is exposed to pipeline 200
In sensing metal silk 132 be easy to happen under the impact of water flow bending deformation and influence measurement.For this purpose, this Monitoring Corrosion
Probe 100 has been arranged shield 140 around sensing metal silk 132, and shield 140 is a cylindrical shell, in shield
140 offer multiple turbulent holes uniformly over the surface, and the water flow that turbulent hole can flow through sensing metal silk 132 generates disorderly
Stream, reduces the impact force that sensing metal silk 132 is subject to, can preferably protect sensing metal silk 132.
Further, referring to shown in Fig. 3, aviation plug is mounted on the second mounting portion 111 of the first matrix 110, aviation
Plug be it is substantially cylindrical, be provided with external screw thread on its outer surface, offer interior spiral shell on the inner wall of the second mounting portion 111
Line.Aviation plug can be mounted on the second mounting portion 111 by operator by way of screwing.
Further, it in order to realize the electrochemical monitoring to reference metal silk 131 and sensing metal silk 132, is inserted in aviation
It is connected to a plurality of conducting wire between head and metal probe 130, after connecting monitoring instrument outside aviation plug, can monitor that metal is visited
Be corroded degree of the sensing metal silk 132 compared to reference metal silk 131 in needle 130.
Further, it is connected to electric wire at the both ends of metal probe 130, electric wire is connected by aviation plug and external constant-current source
It connects, constant-current source is the electric current I that metal probe 130 applies constant size.In reference metal silk 131 and the two of sensing metal silk 132
End is respectively connected with survey crimping, surveys crimping and is connect by aviation plug with external A/D converter, A/D converter can measure ginseng
Than the voltage V on wire 131fAnd the voltage V on sensing metal silk 132x, by formula R=V/I it is found that flowing through reference gold
It is identical as the electric current I on sensing metal silk 132 to belong to silk 131, then the voltage V of reference metal silk 131fWith sensing metal silk 132
Voltage VxThe ratio between be equal to reference metal silk 131 resistance RfWith the resistance R of sensing metal silk 132xThe ratio between.Further according to formula R=ρ
l/πr2(ρ represents the density of wire in formula, and l represents the length of wire, and r represents the radius of wire cross section) is it is found that pass
After sense wire 132 is corroded, the radius r of wire cross section can change, and the length of the density p of wire and wire
L will not change, i other words, 132 resistance R of sensing metal silkxThe change of value is only related with the radius r of its cross section.To sum up
It is described, the resistance R of reference metal silk 131fWith the resistance R of sensing metal silk 132xThe ratio between can to represent sensing metal silk 132 rotten
The degree size of erosion.
Referring to shown in Fig. 4, it is provided with interconnecting piece between the first end and second end of first matrix 110 of the utility model,
Interconnecting piece outer surface is provided with taper pipe thread 113, conical through-hole is offered on metallic conduit 200, in the conical through-hole
Taper pipe thread 113 is offered on wall, this metal corrosion monitoring sensor 100 is connect with pipeline 200 by taper pipe thread 113,
Taper pipe thread 113 can guarantee to connect between metal corrosion monitoring sensor 100 and metallic conduit 200 it is closer, compared to one
As threaded connection its better tightness.
Further, the material for the metal probe 130 that this metal corrosion monitoring sensor 100 uses and monitored metal tube
The material in road 200 is identical, is pipe line steel.
Further, anti-falling piece 112 is provided between the first end of probing shell and interconnecting piece；Anti-falling piece 112 is ring
Shape structure, and the outer diameter of anti-falling piece 112 is greater than the aperture of through-hole.It can prevent from installing or replacing Monitoring Corrosion spy in this way
When first 100, entirety is fallen into metallic conduit 200.
Monitoring Corrosion probe 100 monitors metallic conduit 200 using reference metal silk 131 and sensing metal silk 132
Extent of corrosion.In monitoring, operator measures the electricity of sensing metal silk 132 and reference metal silk 131 by external equipment
Pressure ratio value to monitor gas in pipeline 200 or liquid to the extent of corrosion of metal probe in real time.Gold provided by the utility model
The rate value that accurate pipeline 200 is corroded can be obtained in the case where not opening conduits 200 by belonging to corrosion monitoring sensor 100.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of Monitoring Corrosion probe characterized by comprising probe matrix and metal probe；The metal probe is inserted
The first end in the probe matrix is connect, the metal probe includes reference metal silk and sensing metal silk, the reference gold
Belong to silk and be sealed in the probe intrinsic silicon, the sensing metal silk is located at the probe matrix outer.
2. Monitoring Corrosion probe according to claim 1, which is characterized in that the metal probe is by the reference gold
Belong to silk and the sensing metal silk is integrally formed.
3. Monitoring Corrosion probe according to claim 2, which is characterized in that the reference metal silk is linear type,
The sensing metal silk is U-shaped；The both ends of the sensing metal silk pass through the first end of the probe matrix and are located at institute
It states in probe matrix, the reference metal silk is connect with the either end of the sensing metal silk.
4. Monitoring Corrosion probe according to claim 1, which is characterized in that be filled with epoxy in the probe matrix
Resin, the reference metal silk are wrapped in the epoxy resin.
5. Monitoring Corrosion probe according to claim 1, which is characterized in that the probe matrix includes the first matrix
With the second matrix, first matrix is hollow tubular structure, and second matrix is circular cover, and second matrix blocks
In the first end of first matrix, the reference metal silk is located at the inside of second matrix and is plugged on described second
On matrix, the sensing metal silk is located at the outside of second matrix and is plugged on second matrix.
6. Monitoring Corrosion probe according to claim 1, which is characterized in that the Monitoring Corrosion probe also wraps
Shield is included, the shield is connected on the first end of the probe matrix and is located at around the sensing metal silk.
7. Monitoring Corrosion probe according to claim 6, which is characterized in that the shield surface offers multiple
Turbulent hole, to prevent greasy dirt to be attached to U-shaped detecting probe surface.
8. a kind of lossless Monitoring Corrosion probe of pipeline, which is characterized in that including according to claim 1 to described in 7 any one
Monitoring Corrosion probe and metallic conduit, through-hole, the lossless metal erosion prison of pipeline are offered on the metallic conduit
Probing head is mounted on the lead to the hole site, and the first end of the probe matrix is fully inserted into the metallic conduit, described
The material of metal probe is identical as the monitored material of metallic conduit, is pipe line steel.
9. the lossless Monitoring Corrosion probe of pipeline according to claim 8, which is characterized in that in the probe matrix
Interconnecting piece is provided between first end and the second end, the interconnecting piece outer surface is provided with taper pipe thread；The through-hole
Inner wall offers the taper pipe thread of same specification, and the lossless Monitoring Corrosion probe of pipeline connects with the metallic conduit screw thread
It connects.
10. the lossless Monitoring Corrosion probe of pipeline according to claim 9, which is characterized in that the first end with
Anti-falling piece is provided between the interconnecting piece；And the outer diameter of the anti-falling piece is greater than the aperture of the through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438554.XU CN208705265U (en) | 2018-08-31 | 2018-08-31 | A kind of lossless Monitoring Corrosion probe of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438554.XU CN208705265U (en) | 2018-08-31 | 2018-08-31 | A kind of lossless Monitoring Corrosion probe of pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208705265U true CN208705265U (en) | 2019-04-05 |
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ID=65945966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821438554.XU Active CN208705265U (en) | 2018-08-31 | 2018-08-31 | A kind of lossless Monitoring Corrosion probe of pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189773A (en) * | 2020-03-17 | 2020-05-22 | 中航百慕新材料技术工程股份有限公司 | Probe for metal corrosion detection and manufacturing method of probe |
| CN112986119A (en) * | 2021-02-26 | 2021-06-18 | 深圳大学 | Pipeline corrosion monitoring system and method |
-
2018
- 2018-08-31 CN CN201821438554.XU patent/CN208705265U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189773A (en) * | 2020-03-17 | 2020-05-22 | 中航百慕新材料技术工程股份有限公司 | Probe for metal corrosion detection and manufacturing method of probe |
| CN112986119A (en) * | 2021-02-26 | 2021-06-18 | 深圳大学 | Pipeline corrosion monitoring system and method |
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