CN207877869U - A kind of underground oil and gas pipeline cathode protection device - Google Patents
A kind of underground oil and gas pipeline cathode protection device Download PDFInfo
- Publication number
- CN207877869U CN207877869U CN201820122494.4U CN201820122494U CN207877869U CN 207877869 U CN207877869 U CN 207877869U CN 201820122494 U CN201820122494 U CN 201820122494U CN 207877869 U CN207877869 U CN 207877869U
- Authority
- CN
- China
- Prior art keywords
- electric power
- power box
- cathode protection
- protection device
- installation sheet
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of underground oil and gas pipeline cathode protection devices; belong to corrosion-proof technology for pipeline field; including two groups of cathode protection devices; each group of cathode protection device includes sacrificial anode, installation sheet, electric wire, reference electrode; the installation sheet is arcuate structure; two adjacent installation sheets are attached to the top both sides of pipeline; it is connected by electrical wiring to sacrificial anode respectively above each installation sheet; the sacrificial anode is embedded in below ground; the sacrificial anode is bullet shaped, and upper part is cylinder, lower part is cone；Between two adjacent installation sheets and lower section is equipped with fixed nylon wire, and installation sheet is fastened on the outside of pipeline.The utility model is capable of effect of the realization of more efficient stable to cathodic protection, while using a variety of electric-powered manners by way of dual system is arranged and works, and meets the cathodic protection of pipeline from far-off regions.
Description
Technical field
The utility model is related to corrosion-proof technology for pipeline field, specifically a kind of underground oil and gas pipeline cathode protection device.
Background technology
It is common mode using underground piping conveying in oil-gas gathering and transportation industry, and underground piping is usually used and fills out
The mode of burying is put to underground, and corroded by liquid is received in underground, and corrosion on the outside of tube wall often occurs, meanwhile, the fluid in pipeline
Also pipeline can be corroded from inside.Erosion resistant coating and cathodic protection use in conjunction are that current buried pipeline and underground metalliferous are constructed
The most common corrosion control measure of object.Erosion resistant coating protection refers to the painting anticorrosion layer on buried pipeline, equipment and profiled piece, due to
Erosion resistant coating need to usually make post coat, and quality is extremely difficult to the quality of prefabricated erosion resistant coating, and holiday is more, adds
Type selecting is improper, easily leads to initial failure.So-called cathode protection technology is exactly to pass to foot to protected underground metalliferous works
The DC cathode electric current enough measured carries out cathodic polarization, to reduce the corrosion of steel pipe in the soil to steel pipe outer surface
Current potential makes corrosion current reduce and even goes to zero, and then reaches the process for corrosion control for preventing corrosion of metal structure.Such as application number
For 201420323564 Chinese patent, the cathode protection device of a set of oil-gas pipeline is provided, but it is mainly to circuit
Structure is improved, and on system configurates, still there is improved place.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of underground oil and gas pipeline cathode protection device, it is double by being arranged
The mode of system work is capable of effect of the realization of more efficient stable to cathodic protection, while using a variety of electric-powered manners, full
The cathodic protection of foot remote districts pipeline.
The technical solution of the utility model is：
A kind of underground oil and gas pipeline cathode protection device, including two groups of cathode protection devices, each group of cathodic protection dress
It includes sacrificial anode, installation sheet, electric wire, reference electrode to set, and the installation sheet is arcuate structure, adjacent two installation sheet patches
It is connected by electrical wiring to sacrificial anode respectively above the top both sides of pipeline, each installation sheet, the sacrificial anode is embedded in ground
Face is hereinafter, the sacrificial anode is bullet shaped, and upper part is cylinder, lower part is cone；Between two adjacent installation sheets
It is equipped with fixed nylon wire with lower section, installation sheet is fastened on the outside of pipeline.
Further, further include electric power box in cathode protection device, the electric power box is connected on electric wire, is electric wire
Junction is equipped with three-way cock.The three-way cock is by converting channel, unicom electric power box and installation sheet, at this time sacrificial anode according to
It is so connect with electric power box, or individually unicom sacrificial anode and installation sheet.
Further, the cathode protection device is equipped with multiple rows of along pipeline, and the spacing of each row is 20-40 meters.
Further, the electric power box is equipped with reference electrode, and reference electrode is inserted into below ground.
Further, battery case, potentiostat are equipped in electric power box.
Further, the electric power box is equipped with external power supply connector.
Further, the electric power box is equipped with solar panel, and solar panel is connected to the electricity in electric power box
Pond box.
Further, the electric power box is equipped with wind turbine generator, and wind turbine generator is connected to the battery case in electric power box.
The utility model has the beneficial effects that：
1, the utility model can realize the cathodic protection to pipeline by the way that cathode protection device is arranged, and using
Two sets of symmetrically arranged cathode protection devices, can more effective protective conduit still can be with wherein after a set of failure
Protect this segment pipe；
2, by the way that sacrificial anode is arranged, its protective conduit can be made, while can also be protected to pipeline by electric power box
Shield；
3, the electric power box is equipped with a variety of accumulation modes, such as external power supply, wind-power electricity generation, solar power generation, according to
The concrete condition of region selects suitable mode, it is ensured that can still meet oil-gas gathering and transferring pipeline in unattended area
Cathodic protection.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the structural schematic diagram of the embodiment 3 of Fig. 2；
Fig. 4 is the structural schematic diagram of the embodiment 4 of Fig. 2.
In figure：
1 it is pipeline, 2 be sacrificial anode, 3 be installation sheet, 4 be electric power box, 5 be electric wire, 6 be reference electrode, 7 is fixed Buddhist nun
Imperial line, 8 be three-way cock, 9 be solar panel, 10 be wind turbine generator, 11 be ground.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of underground oil and gas pipeline cathode protection device, including two groups of cathode protection devices, it is each
Group cathode protection device includes sacrificial anode 2, installation sheet 3, electric wire 5, reference electrode 6, and the installation sheet 3 is arcuate structure,
Two adjacent installation sheets 3 are attached to the top both sides of pipeline 1, and 3 top of each installation sheet is connected to sacrifice sun by electric wire 5 respectively
Pole 2, the sacrificial anode 2 is embedded in ground 11 hereinafter, the sacrificial anode 2 is bullet shaped, and upper part is cylinder, lower part is round
Cone facilitates installation, and can increase the contact surface with soil so that its lower end is easier to be inserted into soil at the initial stage of installation
Product；Between two adjacent installation sheets 3 and lower section is equipped with fixed nylon wire 7, and installation sheet 3 is fastened on 1 outside of pipeline.Cathode
Further include electric power box 4 in protective device, the electric power box 4 is connected on electric wire 5, is that the junction of electric wire 5 is opened up equipped with three
Close 8.The three-way cock 8 is by converting channel, unicom electric power box 4 and installation sheet 3, at this time sacrificial anode 2 still with electric power box 4
Connection, or individually unicom sacrificial anode 2 and installation sheet 3, it is ensured that form cycling circuit.The cathode protection device is along pipeline 1
Equipped with multiple rows of, the spacing of each row is 20 meters.The electric power box 4 is equipped with reference electrode 6, and reference electrode 6 is inserted under ground 11
Side.It suitable for various scenes, but needs periodically to be safeguarded, prevents sacrificial anode 2 from corroding excessively, lose conservation value, adopted
Sacrificial anode 2 is kirsite.
Embodiment 2
As illustrated in fig. 1 and 2, a kind of underground oil and gas pipeline cathode protection device, including two groups of cathode protection devices, it is each
Group cathode protection device includes sacrificial anode 2, installation sheet 3, electric wire 5, reference electrode 6, and the installation sheet 3 is arcuate structure,
Two adjacent installation sheets 3 are attached to the top both sides of pipeline 1, and 3 top of each installation sheet is connected to sacrifice sun by electric wire 5 respectively
Pole 2, the sacrificial anode 2 is embedded in ground 11 hereinafter, the sacrificial anode 2 is bullet shaped, and upper part is cylinder, lower part is round
Cone facilitates installation, and can increase the contact surface with soil so that its lower end is easier to be inserted into soil at the initial stage of installation
Product；Between two adjacent installation sheets 3 and lower section is equipped with fixed nylon wire 7, and installation sheet 3 is fastened on 1 outside of pipeline.Cathode
Further include electric power box 4 in protective device, the electric power box 4 is connected on electric wire 5, is that the junction of electric wire 5 is opened up equipped with three
Close 8.The three-way cock 8 is by converting channel, unicom electric power box 4 and installation sheet 3, at this time sacrificial anode 2 still with electric power box 4
Connection, or individually unicom sacrificial anode 2 and installation sheet 3.The cathode protection device along pipeline 1 be equipped with it is multiple rows of, each row's
Spacing is 25 meters.The electric power box 4 is equipped with reference electrode 6, and reference electrode 6 is inserted into 11 lower section of ground.Electricity is equipped in electric power box 4
Pond box, potentiostat.The electric power box 4 is equipped with external power supply connector, can be communicates directly to the power supply of station.Suitable for from
The cathodic protection of station immediate area.
Embodiment 3
As shown in Figs. 1-3, a kind of underground oil and gas pipeline cathode protection device, including two groups of cathode protection devices, it is each
Group cathode protection device includes sacrificial anode 2, installation sheet 3, electric wire 5, reference electrode 6, and the installation sheet 3 is arcuate structure,
Two adjacent installation sheets 3 are attached to the top both sides of pipeline 1, and 3 top of each installation sheet is connected to sacrifice sun by electric wire 5 respectively
Pole 2, the sacrificial anode 2 is embedded in ground 11 hereinafter, the sacrificial anode 2 is bullet shaped, and upper part is cylinder, lower part is round
Cone；Between two adjacent installation sheets 3 and lower section is equipped with fixed nylon wire 7, and installation sheet 3 is fastened on 1 outside of pipeline.It is cloudy
Further include electric power box 4 in electrode protector, the electric power box 4 is connected on electric wire 5, is that the junction of electric wire 5 is equipped with threeway
Switch 8.The three-way cock 8 is by converting channel, unicom electric power box 4 and installation sheet 3, at this time sacrificial anode 2 still with electric power
Case 4 connects, or individually unicom sacrificial anode 2 and installation sheet 3.The cathode protection device is equipped with multiple rows of, Mei Yipai along pipeline 1
Spacing be 30 meters.The electric power box 4 is equipped with reference electrode 6, and reference electrode 6 is inserted into 11 lower section of ground.It is equipped in electric power box 4
Battery case, potentiostat.The electric power box 4 is equipped with solar panel 9, and solar panel 9 is connected in electric power box 4
Battery case.Suitable for the sunshines abundance region such as desert.
Embodiment 4
As shown in Fig. 1,2 and 4, a kind of underground oil and gas pipeline cathode protection device, including two groups of cathode protection devices, often
One group of cathode protection device includes sacrificial anode 2, installation sheet 3, electric wire 5, reference electrode 6, and the installation sheet 3 is arc knot
Structure, adjacent two installation sheets 3 are attached to the top both sides of pipeline 1, and 3 top of each installation sheet is connected to by electric wire 5 sacrificial respectively
Domestic animal anode 2, the sacrificial anode 2 is embedded in ground 11 hereinafter, the sacrificial anode 2 is bullet shaped, and upper part is cylinder, lower part
For cone；Between two adjacent installation sheets 3 and lower section is equipped with fixed nylon wire 7, and installation sheet 3 is fastened on outside pipeline 1
Side.Further include electric power box 4 in cathode protection device, the electric power box 4 is connected on electric wire 5, is that the junction of electric wire 5 is equipped with
Three-way cock 8.The three-way cock 8 is by converting channel, unicom electric power box 4 and installation sheet 3, at this time sacrificial anode 2 still with
Electric power box 4 connects, or individually unicom sacrificial anode 2 and installation sheet 3.The cathode protection device along pipeline 1 be equipped with it is multiple rows of, often
The spacing of one row is 40 meters.The electric power box 4 is equipped with reference electrode 6, and reference electrode 6 is inserted into 11 lower section of ground.In electric power box 4
Equipped with battery case, potentiostat.The electric power box 4 is equipped with wind turbine generator 10, and wind turbine generator 10 is connected in electric power box 4
Battery case.Suitable for the wind-force abundance region such as seashore and mountain valley, its spacing is arranged farther out, also in that can meet electric power need
It asks.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not limited to the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (7)
1. a kind of underground oil and gas pipeline cathode protection device, which is characterized in that including two groups of cathode protection devices, each group cloudy
Electrode protector include sacrificial anode, installation sheet, electric wire, reference electrode, the installation sheet be arcuate structure, adjacent two
Installation sheet is attached to the top both sides of pipeline, is connected by electrical wiring to sacrificial anode, the sacrifice sun above each installation sheet respectively
Pole is embedded in below ground, and the sacrificial anode is bullet shaped, and upper part is cylinder, lower part is cone；Two adjacent peaces
Between load and lower section is equipped with fixed nylon wire, and installation sheet is fastened on the outside of pipeline.
2. a kind of underground oil and gas pipeline cathode protection device according to claim 1, which is characterized in that cathodic protection fills
Further include electric power box in setting, the electric power box is connected on electric wire, is that the junction of electric wire is equipped with three-way cock.
3. a kind of underground oil and gas pipeline cathode protection device according to claim 2, which is characterized in that the electric power box
It is equipped with reference electrode, reference electrode is inserted into below ground.
4. a kind of underground oil and gas pipeline cathode protection device according to claim 3, which is characterized in that set in electric power box
There are battery case, potentiostat.
5. a kind of underground oil and gas pipeline cathode protection device according to claim 4, which is characterized in that the electric power box
It is equipped with external power supply connector.
6. a kind of underground oil and gas pipeline cathode protection device according to claim 4, which is characterized in that the electric power box
It is equipped with solar panel, solar panel is connected to the battery case in electric power box.
7. a kind of underground oil and gas pipeline cathode protection device according to claim 4, which is characterized in that the electric power box
It is equipped with wind turbine generator, wind turbine generator is connected to the battery case in electric power box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820122494.4U CN207877869U (en) | 2018-01-25 | 2018-01-25 | A kind of underground oil and gas pipeline cathode protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820122494.4U CN207877869U (en) | 2018-01-25 | 2018-01-25 | A kind of underground oil and gas pipeline cathode protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207877869U true CN207877869U (en) | 2018-09-18 |
Family
ID=63507952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820122494.4U Expired - Fee Related CN207877869U (en) | 2018-01-25 | 2018-01-25 | A kind of underground oil and gas pipeline cathode protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207877869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747477A (en) * | 2019-11-21 | 2020-02-04 | 中国华电科工集团有限公司 | Comprehensive corrosion prevention system and corrosion prevention method for coastal buried carbon steel seawater medium pipeline |
-
2018
- 2018-01-25 CN CN201820122494.4U patent/CN207877869U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747477A (en) * | 2019-11-21 | 2020-02-04 | 中国华电科工集团有限公司 | Comprehensive corrosion prevention system and corrosion prevention method for coastal buried carbon steel seawater medium pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109868480B (en) | Buried pipeline cathode protection system | |
| CN103457044A (en) | Grounding device of 10kV power distribution network overhead line tower pole and laying method of grounding device | |
| CN207877869U (en) | A kind of underground oil and gas pipeline cathode protection device | |
| CN201148467Y (en) | Combined anode and cathode protection apparatus | |
| CN207435552U (en) | The combined system of direct current grounding pole and buried metal pipeline | |
| CN205039503U (en) | Anticorrosive device of communication pipe | |
| CN105506645A (en) | Anticorrosion device and anticorrosion method of ground wire | |
| CN211367742U (en) | Transformer substation grounding system | |
| CN209133703U (en) | A kind of vertical grounding electrode based on photovoltaic bracket basis | |
| CN110819994A (en) | Forced current cathodic protection method for tank bottom outer wall under impermeable membrane condition | |
| CN203910990U (en) | Anti-corrosion power line grounding device | |
| CN202272956U (en) | Novel anti-corrosive grounding body with cathode protecting function | |
| CN220867518U (en) | Intelligent cathode protection system for lower pipeline of grounding electrode discharge | |
| CN106544680A (en) | A kind of erosion protection system for essential service water system of nuclear power station pipeline | |
| CN207852955U (en) | A kind of anticorrosion grounding apparatus | |
| CN204185573U (en) | A kind of corrosion-resisting device of grounding wire | |
| CN201466233U (en) | Anti-corrosion resistance reducing module for protecting earth screen | |
| CN2753693Y (en) | Crude oil storage tank bottom plate external cathode protecting device | |
| CN202899725U (en) | Electric line electric pole anti-corrosion pulling rod | |
| CN216891227U (en) | Negative potential corrosion-resistant protection system for cable trench grounding electrode | |
| CN110725601A (en) | Pole tower grounding down lead anchor bar | |
| CN204760555U (en) | High resistivity soil wind -powered electricity generation field ground net | |
| CN209329181U (en) | A kind of centralized earthing device of independent lightning rod | |
| CN208209029U (en) | Photovoltaic plant earthed system | |
| CN206850039U (en) | A kind of tower grounding device anticorrosion grounding body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20200125 |