CN109576713A - Pipeline facility cathode protection device - Google Patents
Pipeline facility cathode protection device Download PDFInfo
- Publication number
- CN109576713A CN109576713A CN201811390389.XA CN201811390389A CN109576713A CN 109576713 A CN109576713 A CN 109576713A CN 201811390389 A CN201811390389 A CN 201811390389A CN 109576713 A CN109576713 A CN 109576713A
- Authority
- CN
- China
- Prior art keywords
- sacrificial anode
- gland
- sleeve pipe
- protection device
- 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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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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
- C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
- C23F2213/32—Pipes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention proposes a kind of pipeline facility cathode protection devices, are mounted on feed-line, including sacrificial anode, protection sleeve pipe, battery and test suite, further include straight-through valve；Described straight-through valve one end is connect with feed-line, and the other end is contacted with sacrificial anode；The gland of screwed connection is equipped at the top of the protection sleeve pipe, the gland is connect with anode, the battery cathode connecting conveying pipe line；One end of the sacrificial anode is placed in protection sleeve pipe and is detachably connected with gland, and the other end of the sacrificial anode is exposed；The test suite is fixed on sacrificial anode side, and the test suite is connect with battery.It directly reacts with the dissolved oxygen in the contact of the liquid of pipeline and pipeline liquid using anode, eliminates influence of the dissolved oxygen to pipeline.The safety for guaranteeing pipeline performance, can be greatly reduced the corrosion rate of pipeline.
Description
Technical field
The present invention relates to underground metal pipeline protection technique field, in particular to a kind of pipeline facility cathode protection device.
Background technique
The liquid of pipeline conveying contains in dissolved oxygen, especially oil field production, the crude oil of conveying and the sewage generated simultaneously
Exploitation just contains a large amount of zwitterion from underground, while there are also dissolved oxygens to enter during surface technology, due to a large amount of
The presence of zwitterion easily generate electrochemical corrosion, cause conduit wiring piercing, cause environmental pollution accident.
Existing cathode protection measure is anode and underground contact, and the contact of not direct and liquid can not be to greatest extent
Eliminate liquid in dissolved oxygen and free zwitterion, anode generation electrochemical reaction after, can not quickly know whether
Reflection is completed, and cannot continue to react, and can only be relied on and manually periodically be checked, time-consuming and laborious,
Summary of the invention
The purpose of the present invention aims to solve at least one of the technological deficiency.
For this purpose, an object of the present invention is to provide a kind of pipeline facility cathode protection devices, by feed-line
Protection sleeve pipe and gland are set, sacrificial anode is fixed in protection sleeve pipe, connects sacrificial anode using battery, adsorbs free
Zwitterion provides biggish voltage difference, further promotes protecting effect.
To achieve the goals above, the embodiment of one aspect of the present invention provides a kind of pipeline facility cathode protection device, peace
On feed-line, including sacrificial anode, protection sleeve pipe, battery and test suite, it further include straight-through valve；The straight-through valve one
End is connect with feed-line, and the other end is contacted with sacrificial anode；The gland of screwed connection is equipped at the top of the protection sleeve pipe, it is described
Gland is connect with anode, the battery cathode connecting conveying pipe line；One end of the sacrificial anode is placed in protection sleeve pipe
And be detachably connected with gland, the other end of the sacrificial anode is exposed；The test suite is fixed on sacrificial anode side, institute
Test suite is stated to connect with battery.
Preferably, stainless steel filtering net is equipped between the straight-through valve and sacrificial anode.
In above-mentioned any one embodiment preferably, the test suite includes conductivity measurement, GPS positioning
Device, single-chip microcontroller and GPRS telecommunication circuit；The single-chip microcontroller connects host computer by connection GPRS telecommunication circuit.
In above-mentioned any one embodiment preferably, which is characterized in that small pressure cap is equipped in the middle part of the gland, it is described
It is equipped with wire guide in the middle part of small pressure cap, fills sealing material in the small pressure cap.
In above-mentioned any one embodiment preferably, the outer wall on the protection sleeve pipe top is equipped with external screw thread, institute
The inner wall for stating gland is equipped with internal screw thread.
In above-mentioned any one embodiment preferably, the outer wall on the protection sleeve pipe top is equipped with internal screw thread, institute
The inner wall for stating gland is equipped with external screw thread.
In above-mentioned any one embodiment preferably, the internal screw thread and externally threaded length and straight-through valve and end cap
The distance between be consistent.
In above-mentioned any one embodiment preferably, the protection sleeve pipe internal spray polytetrafluoroethylene (PTFE).
In above-mentioned any one embodiment preferably, spring, the bullet are equipped between the gland and sacrificial anode
The fixing end of spring is fixedly connected with gland.The elongated end of the spring is fixedly connected with sacrificial anode, the elongated end of the spring
It is fixed with drawstring.
In above-mentioned any one embodiment preferably, the group that the battery is constituted using battery and solar battery
Close battery.
A kind of pipeline facility cathode protection device provided according to embodiments of the present invention is filled compared to existing pipeline protection
It sets, has at least the following advantages:
1, it directly reacts, eliminates with the dissolved oxygen in the contact of the liquid of pipeline and pipeline liquid using anode
Influence of the dissolved oxygen to pipeline.The safety for guaranteeing pipeline performance, can be greatly reduced the corrosion rate of pipeline.By in feed-line
Protection sleeve pipe and gland are set, sacrificial anode is fixed in protection sleeve pipe, connects sacrificial anode using battery, adsorbs free
Zwitterion provides biggish voltage difference, further promotes protecting effect.
2, by the way that spring is arranged in gland bottom, spring is pulled by drawstring, sacrificial anode is promoted into the lock to straight-through valve
The above position of plate, it is ensured that gate valve is closed, and is convenient for changing.
3, by the way that filter screen is arranged between sacrificial anode and straight-through valve, using filter screen by sacrificial anode absorption yin-yang from
The sediment formed after son is filtered, and effectively prevents sediment from entering feed-line, influences the stoste in feed-line
Quality.
4, the device can be arranged several or even tens according to transfer line length, and it is poor to avoid the formation of Field potentials, real
Now feed-line is completely protected.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of schematic diagram of pipeline facility cathode protection device provided in an embodiment of the present invention；
Fig. 2 is a kind of circuit theory of the test suite of pipeline facility cathode protection device provided in an embodiment of the present invention
Figure；
In figure: 1, feed-line；2, sacrificial anode；3, protection sleeve pipe；4, battery；5, test suite；6, straight-through valve；7, it presses
Lid；8, stainless steel filtering net；9, small pressure cap；10, spring；11, drawstring；
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
As shown in Figure 1, a kind of pipeline facility cathode protection device of the embodiment of the present invention, is mounted on feed-line 1, packet
Sacrificial anode 2, protection sleeve pipe 3, battery 4 and test suite 5 are included, further includes straight-through valve 6；6 one end of straight-through valve and feed-line 1 connect
It connects, the other end is contacted with sacrificial anode 2；The gland 7 of screwed connection is equipped at the top of protection sleeve pipe 3, gland 7 and 4 anode of battery are even
It connects, 4 cathode connecting conveying pipe line of battery；One end of sacrificial anode 2 is placed in protection sleeve pipe 3 and is detachably connected with gland 7, sacrificial
The other end of domestic animal anode 2 is exposed；Test suite 5 is fixed on 2 side of sacrificial anode, and test suite 5 is connect with battery 4.Sacrifice sun
Extremely magnesium bar or aluminium bar can be selected to be made.The assembled battery that the battery is constituted using battery and solar battery.
In the above-described embodiments, it is preferred that stainless steel filtering net 8 is equipped between straight-through valve 6 and sacrificial anode 2.7 middle part of gland
Equipped with small pressure cap 9, it is equipped with wire guide in the middle part of the small pressure cap, fills sealing material in the small pressure cap.Purpose is to prevent from protecting
Liquid in set flows out.
When the device is mounted on feed-line 1, sacrificial anode 2 is mounted on gland 7, gland 7 and 3 spiral shell of protection sleeve pipe
Line connection, protection sleeve pipe 3 are mounted on feed-line 1 by flange, and sacrificial anode 2 and test suite 5 are connected battery 4, made
Used time, straight-through valve 6 is opened, the liquid in feed-line 1 enters protection sleeve pipe 3, contacts with sacrificial anode 2, due to sacrificial anode 2
Positive pole is connected, a large amount of anion can be collected around in sacrificial anode 2 at this time, generated molten in potential difference, with pipeline liquid
Solution oxygen reacts, and eliminates influence resulting potential difference of the dissolved oxygen to pipeline.Test suite 5 implements test sacrificial anode
The conductivity of 2 attachmentes, it is automatic to monitor reporting situations for sacrificial anode 2, staff's replacement is reminded, avoids relying on and manually checks.
As shown in Fig. 2, in another embodiment of the present invention, being reacted completely for how to monitor sacrificial anode 2, to survey
Examination component 5 is further expanded, wherein test suite 5 includes conductivity measurement, GPS locator, single-chip microcontroller and GPRS logical
Believe circuit；Single-chip microcontroller connects host computer by connection GPRS telecommunication circuit.2 attachment of conductivity measurement real-time detection sacrificial anode
Conductivity, when first used, conductivity is high value to sacrificial anode 2, after reflecting a period of time, due to reaction consume,
Sacrificial electrode is reduced, and has a large amount of deposits to be adsorbed on around sacrificial anode 2, causes sacrificial anode 2 exposed, Wu Faji
Continuous absorption charged particle, conductivity declines at this time, and the conductivity values of real-time monitoring are sent to single-chip microcontroller by conductivity, and GPS is fixed
Acquisition position signal is sent to single-chip microcontroller, the conductivity of position signal and the position is passed through GPRS by single-chip microcontroller at this time by position device
Telecommunication circuit is sent to host computer, and staff can remotely check each unknown conductivity, determine whether some position needs
It replaces, is not necessarily to manual patrol.
In the present embodiment, conductivity measurement can select the conductivity sensor of model DM-202, and single-chip microcontroller can
To select the chip of model AT89C51, GPRS telecommunication circuit can select the communication chip of model SIM800C.
Further, the outer wall on 3 top of protection sleeve pipe is equipped with external screw thread, and the inner wall of the gland 7 is equipped with interior spiral shell
Line.In the present embodiment, gland 7 is set in outside protection sleeve pipe 3.
In another embodiment, the outer wall on 3 top of protection sleeve pipe is equipped with internal screw thread, the inner wall of the gland 7
It is equipped with external screw thread.Gland 7 is set in inside protection sleeve pipe 3 in the present embodiment.
In any one embodiment that above-mentioned two gland 7 and protection sleeve pipe 3 connects using internal and external threads, internal screw thread with
Externally threaded length and straight-through valve 6 arrive the half of the distance between end cap.When needing replacing sacrificial anode 2, it is only necessary to rotate
Screw thread promotes gland 7, the sacrificial anode 2 fixed together with gland 7 with 7 screw thread of gland screw-in screw out, realize rise and
Decline.
Preferably, 3 internal spray polytetrafluoroethylene (PTFE) of protection sleeve pipe.Protection sleeve pipe 3 is made using metal material, in order to
It avoids collecting around a large amount of zwitterions due to sacrificial anode 2, generates sediment, be adsorbed on the inner wall of protection sleeve pipe 3, therefore
Polytetrafluoroethylene (PTFE) is sprayed on the inner wall of protection sleeve pipe 3, enhances the smooth of internal surface of sleeve pipe, prevents sediment from adsorbing.
In another embodiment of the present invention, spring 10, the fixation of spring 10 are equipped between gland 7 and sacrificial anode 2
End is fixedly connected with gland 7.The elongated end of spring 10 is fixedly connected with sacrificial anode 2, and the elongated end of spring 10 is fixed with drawing
Rope 11.In the present embodiment, gland 7 and protection sleeve pipe 3 are fixed by shallow thread, the detachable of gland 7 are realized, when needing replacing
When sacrificial anode 2, the compression of spring 10 is realized by manual pull drawstring 11, spring 10 drives sacrificial anode 2 and stainless steel filter
Net 8 is promoted, and is closed straight-through valve 6 at this time, is avoided the liquid in feed-line 1 from overflowing, disassemble pressure cap in rotary screwing thread, i.e.,
The replacement of sacrificial anode 2 can be achieved.
The present invention directly reacts with the dissolved oxygen in the contact of the liquid of pipeline and pipeline liquid using anode,
Eliminate influence of the dissolved oxygen to pipeline.The safety for guaranteeing pipeline performance, can be greatly reduced the corrosion rate of pipeline.Pass through delivery pipe
Protection sleeve pipe and gland are set in line, sacrificial anode is fixed in protection sleeve pipe, connects sacrificial anode, absorption trip using battery
From zwitterion, biggish voltage difference is provided, protecting effect is further promoted.
By the way that spring is arranged in gland bottom, spring is pulled by drawstring, sacrificial anode is promoted into the flashboard to straight-through valve
The above position, it is ensured that gate valve is closed, and is convenient for changing.
By the way that filter screen is arranged between sacrificial anode and straight-through valve, sacrificial anode is adsorbed into zwitterion using filter screen
The sediment formed afterwards is filtered, and effectively prevents sediment from entering feed-line, influences the product of the stoste in feed-line
Matter
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.The scope of the present invention
By appended claims and its equivalent limit.
Claims (10)
1. a kind of pipeline facility cathode protection device, is mounted on feed-line, including sacrificial anode, protection sleeve pipe, battery and
Test suite, which is characterized in that further include straight-through valve；Described straight-through valve one end is connect with feed-line, the other end and sacrifice sun
Pole contact；The gland of screwed connection is equipped at the top of the protection sleeve pipe, the gland is connect with anode, the battery cathode
Connecting conveying pipe line；One end of the sacrificial anode is placed in protection sleeve pipe and is detachably connected with gland, the sacrificial anode
The other end it is exposed；The test suite is fixed on sacrificial anode side, and the test suite is connect with battery.
2. pipeline facility cathode protection device according to claim 1, which is characterized in that the straight-through valve and sacrificial anode
Between be equipped with stainless steel filtering net, the stainless steel filtering net is fixedly connected with the exposed end of sacrificial anode.
3. pipeline facility cathode protection device according to claim 1, which is characterized in that the test suite includes conductance
Rate tester, GPS locator, single-chip microcontroller and GPRS telecommunication circuit；The single-chip microcontroller passes through in connection GPRS telecommunication circuit connection
Position machine.
4. pipeline facility cathode protection device according to claim 3, which is characterized in that be equipped with small pressure in the middle part of the gland
Cap, the small pressure cap middle part are equipped with wire guide, fill sealing material in the small pressure cap.
5. pipeline facility cathode protection device according to claim 1, which is characterized in that outside the protection sleeve pipe top
Wall is equipped with external screw thread, and the inner wall of the gland is equipped with internal screw thread.
6. pipeline facility cathode protection device according to claim 1, which is characterized in that outside the protection sleeve pipe top
Wall is equipped with internal screw thread, and the inner wall of the gland is equipped with external screw thread.
7. pipeline facility cathode protection device according to claim 5 or 6, which is characterized in that the internal screw thread and outer spiral shell
The length of line is not less than the half with straight-through valve to the distance between end cap.
8. pipeline facility cathode protection device according to claim 1, which is characterized in that the protection sleeve pipe internal spray
Polytetrafluoroethylene (PTFE).
9. pipeline facility cathode protection device according to claim 3, which is characterized in that the gland and sacrificial anode it
Between be equipped with spring, the fixing end of the spring is fixedly connected with gland；The elongated end of the spring is fixedly connected with sacrificial anode,
The elongated end of the spring is fixed with drawstring.
10. pipeline facility cathode protection device according to claim 1, which is characterized in that the battery uses battery
The assembled battery constituted with solar battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390389.XA CN109576713B (en) | 2018-11-21 | 2018-11-21 | Cathode protection device for pipeline facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390389.XA CN109576713B (en) | 2018-11-21 | 2018-11-21 | Cathode protection device for pipeline facilities |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109576713A true CN109576713A (en) | 2019-04-05 |
| CN109576713B CN109576713B (en) | 2021-01-08 |
Family
ID=65923285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811390389.XA Active CN109576713B (en) | 2018-11-21 | 2018-11-21 | Cathode protection device for pipeline facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109576713B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008033028A1 (en) * | 2006-09-11 | 2008-03-20 | Statoilhydro Asa | Mechanical fastening device for cathodic protection of an insulated pipeline |
| CN206385259U (en) * | 2017-01-24 | 2017-08-08 | 云南大红山管道有限公司 | Parallel ore pulp delivery duct cathodic protection system |
| CN107779875A (en) * | 2017-11-24 | 2018-03-09 | 中国船舶重工集团公司第七〇九研究所 | External sacrificial anode device |
| CN208071816U (en) * | 2018-04-10 | 2018-11-09 | 邱心杰 | A kind of replaceable anodic combination unit applied in city gas electric protection system |
-
2018
- 2018-11-21 CN CN201811390389.XA patent/CN109576713B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008033028A1 (en) * | 2006-09-11 | 2008-03-20 | Statoilhydro Asa | Mechanical fastening device for cathodic protection of an insulated pipeline |
| CN206385259U (en) * | 2017-01-24 | 2017-08-08 | 云南大红山管道有限公司 | Parallel ore pulp delivery duct cathodic protection system |
| CN107779875A (en) * | 2017-11-24 | 2018-03-09 | 中国船舶重工集团公司第七〇九研究所 | External sacrificial anode device |
| CN208071816U (en) * | 2018-04-10 | 2018-11-09 | 邱心杰 | A kind of replaceable anodic combination unit applied in city gas electric protection system |
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| Publication number | Publication date |
|---|---|
| CN109576713B (en) | 2021-01-08 |
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