CN206385259U - Parallel ore pulp delivery duct cathodic protection system - Google Patents
Parallel ore pulp delivery duct cathodic protection system Download PDFInfo
- Publication number
- CN206385259U CN206385259U CN201720094266.6U CN201720094266U CN206385259U CN 206385259 U CN206385259 U CN 206385259U CN 201720094266 U CN201720094266 U CN 201720094266U CN 206385259 U CN206385259 U CN 206385259U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- protected
- parallel
- cathodic protection
- protection system
- 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
- Prevention Of Electric Corrosion (AREA)
Abstract
There is provided a kind of parallel ore pulp delivery duct cathodic protection system, including anode bed to solve the deficiencies in the prior art for the utility model（2）, the first power supply（3）With more than 2 pipelines to be protected that are parallel and conveying in the same direction（1）.The anode bed（2）With the first power supply（3）Positive pole connection, each pipeline to be protected（1）With the first power supply after parallel connection（3）Negative pole connection.The pipeline to be protected（1）It is provided with the monitoring stake for being used for monitoring pipeline conditions（4）.Each pipeline to be protected（1）In monitoring stake（4）Place is in parallel by cable bond road.The utility model can realize that to parallel 2 pipelines or multi-pipeline installation, the maintenance cost of equipment have been saved in effective impressed current cathodic protection by a set of cathodic protection system.The utility model is carried out in parallel, the voltage on balanced each pipeline using cable bond road, reduces the quantity and intensity of pipeline enclosure stray electrical current by the connection end at the whole story end of pipeline and each detection stake.
Description
Technical field
The utility model belongs to long-distance transportation through pipeline technical field, and in particular to a kind of parallel ore pulp delivery duct negative electrode
Protection system.
Background technology
Long-distance iron ore concentrate pipeline is conveyed " it is emerging, new high-tech industry, it is low-carbon, the bright spot of green economy.Over long distances
Iron ore concentrate pipeline is that specific alloy material is made, and is buried for a long time below earth's surface in the used cycle, special
The long-distance iron ore concentrate conveying pipeline that alloy is made will be corroded by the influence of environment.
When metal corrodes, it can be produced with electric current, this region referred to as anode corroded.And electric current is entered
Soil or other surrounding mediums simultaneously flow to non-corrosion area or negative electrode.Meanwhile, equivalent electronics is flowed into by metal medium from anode
Negative electrode, cancels out each other, negative electrode is protected in negative electrode positron-electron.Corrosion need to have in circuit all four will
Element：Current feedback circuit or anode, surrounding medium（Such as soil, water）, electron path（It must be metal）And negative electrode.
Corrosion can not only greatly shorten the service life of pipeline, and pipeline can be made to occur a variety of harm such as local leakage.
So using impressed current cathodic protection method protective conduit.Existing impressed current cathodic protection technology prevents Metal pipeline corrosion
Method is：It is each single conveyance conduit installing cathodic protection system in metallic conduit external coating erosion shield.
Similar technique tradition prevents Metal pipeline corrosion from there is many defects：First, the cathodic protection system for repeating installing is made
Valency is high.2nd, sinuous flow electric current is easily formed between 2 parallel pipelines or multi-pipeline, causes corrosive pipeline to be accelerated.3rd, such as simultaneously
Electrical potential difference is formed between 2 capable pipelines or multi-pipeline, can cause substantially to reduce the protecting effect of high potential pipeline, and is accelerated anti-
The failure of corrosion resistant coating.
Utility model content
The utility model is solution prior art for present on 2 parallel pipelines or multi-pipeline：Cost is high, pipeline is rotten
Erosion is fast, the problem of be difficult to form effective protection to all pipelines there is provided a kind of parallel ore pulp delivery duct cathodic protection system,
Including anode bed, the first power supply and monitoring stake.The anode bed is connected with the positive pole of the first power supply, the negative pole of first power supply
With more than 2 pipeline parallel communications to be protected.The monitoring stake is located on pipeline to be protected, and is provided with each pipeline to be protected simultaneously
The cable bond road of connection.
Further, the anode bed includes the high sillicon cast-iron anode connected with the first positive source.The high-silicon cast iron
Anode is embedded in breeze bed body.The breeze bed body is arranged at pipeline 70-150m positions to be protected.
Further, provided with microprocessor, second source, first line switch, sacrificial anode device in the monitoring stake
With more than 2 galvanometer.The galvanometer distinguishes connecting pipe side wall two ends, and is connected with the receiving end signal of microprocessor.
The output end of the microprocessor is connected with line switching signal.The second source is switched and sacrificial anode by first line
Device is connected.
Further, the pipeline to be protected, which is externally provided with more than 2 reference electrodes, the monitoring stake, is provided with more than 2
Potentiometer.Described potentiometer one end is connected with corresponding reference electrode, and the other end is connected with corresponding pipe side wall.
Further, the sacrificial anode device includes：Including straight screw sleeve and sacrificial anode.The straight screw sleeve
Inside it is provided with vertically on screwed hole, straight screw sleeve barrel and is transversely provided with driving hole.
Further, sacrificial anode is threaded in screwed hole.The straight screw sleeve is externally provided with and the First Line
The drive device of way switch connection.Transmission device is installed in the drive device.The transmission device passes through straight screw sleeve
Driving hole on barrel, is connected with the top of the sacrificial anode.
Further, the drive device is fixedly mounted on sliding sleeve.The sliding sleeve is set in outside straight screw sleeve, and
On the inwall in face of straight screw sleeve, provided with restriction plate.Set on the restriction plate insertion straight screw sleeve barrel along axis
Groove in, limitation sliding sleeve drive drive device vertically slided up and down along groove.
Further, at the driving hole of the straight screw sleeve, limited block is provided with one end close to stratum.
Further, the sacrificial anode is connected with capacitor by unilateral diode.Electricity is connected with the capacitor
Pressure meter, and connected by the second line switching with battery.The potentiometer is connected with the second line switching signal.
Further, the pipeline to be protected is provided with booster station.The pipeline to be protected and booster station inner tube
Connected between road by insulating flange.It is in parallel by cable bond road between each pipeline to be protected of booster station homonymy.Position
Connected in each pipeline to be protected of booster station heteropleural with corresponding pipeline to be protected by cable bond road.
Further, first power supply is that arrester or earthing or grounding means are provided with dc source, the booster station.Institute
State arrester or earthing or grounding means is provided with D.C. isolation device.
The utility model at least has one of the following advantages：
1. the utility model can be realized to parallel 2 pipelines or multi-pipeline by a set of cathodic protection system, effectively
Impressed current cathodic protection, saved installation, the maintenance cost of equipment.
2. the utility model is carried out simultaneously by the connection end at the whole story end of pipeline and each detection stake using cable bond road
Voltage on connection, balanced each pipeline.So as to reduce the failure speed of erosion shield on section of tubing, reduce rotten on pipeline
The erosive velocity of pitting.
3. the utility model is equipped with sacrificial anode device in detection stake, when detecting pipeline dress ornament velocity anomaly,
The current channel in stratum can be reset by sacrificial anode device, further the formation probability of reduction stray electrical current.
The long lines of booster station are needed to add specific connection design 4. the utility model is directed to so that force (forcing) pump
Stand while completing to pressurize to material, it is to avoid destruction of the booster station to impressed current cathodic protection system.
Brief description of the drawings
Fig. 1 show the parallel ore pulp delivery duct cathodic protection system structural representation of the utility model.
Fig. 2 show the utility model detection pilework schematic diagram.
Fig. 3 show the straight screw sleeve structural representation of the utility model sacrificial anode device.
Sacrificial anode, transmission device, drive device, the sliding sleeve that Fig. 4 show the utility model sacrificial anode device are connected
Structural representation.
Fig. 5 show the utility model sacrificial anode device structural representation.
Fig. 6 show Fig. 5 A to section view.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality
Use new further description.It should be appreciated that specific embodiment described herein is only to explain the utility model, and
It is not used in restriction the utility model.
Embodiment 1
A kind of parallel ore pulp delivery duct cathodic protection system, as shown in figure 1, including anode the 2, first power supply 3 of bed and 2
Pipeline to be protected 1 that is parallel and conveying in the same direction.First power supply 3 is dc source.The anode bed 2 and the first power supply 3
Positive pole is connected, and is connected after each parallel connection of pipeline 1 to be protected with the negative pole of the first power supply 3.The pipeline to be protected 1 is provided with use
In the monitoring stake 4 of monitoring pipeline conditions.Each pipeline 1 to be protected is in parallel by cable bond road at monitoring stake 4.The anode
Bed 2 includes the high sillicon cast-iron anode 202 connected with the positive pole of the first power supply 3.The high sillicon cast-iron anode 202 is embedded in coke slag-bed
In body 201.The breeze bed body 201 is arranged at the 100m positions of pipeline 1 to be protected.On the pipeline to be protected 1
Provided with booster station 6.Connected between the pipeline to be protected 1 and the internal pipeline of booster station 6 by insulating flange 601.It is located at
It is in parallel by cable bond road between each pipeline 1 to be protected of the homonymy of booster station 6.Positioned at each to be protected of the heteropleural of booster station 6
Pipeline 1 is connected with corresponding pipeline 1 to be protected by cable bond road.Arrester or earthing or grounding means are provided with the booster station 6.
The arrester or earthing or grounding means are provided with D.C. isolation device.
Its course of work is：Dc source applies high electricity by anode bed to the soil layer around transport pipeline to be protected
Gesture, makes pipeline to be protected turn into the cathode terminal of low potential with respect to the soil layer around it.The negative pole end of dc source is by pressing
Circuit and pipeline parallel communication to be protected so that there is identical potential between each pipeline to be protected.Now, such as the anti-corrosion of pipeline
Occur dew point on erosion resisting coating, then electric current flow ipe tube wall in soil, and along tube wall directed movement so that formed positive source-
Loop between anode bed-pipeline-power cathode, realizes set of system to 2 or more with the impressed current negative electrode of parallelpiped
Protection.
In addition, applicants have found that, cause prior art to protect ineffective, corrosive pipeline acceleration ask on parallelpiped
The reason for topic, is, position and time and the heterogeneity of dew point are produced between parallelpiped, and because each pipeline is using single
The extremely difficult balance of electrical potential difference in additional power source system, therefore each pipeline between surrounding soil, between pipeline and pipeline.And pipeline enclosure
There is electrical potential difference, the stray electrical current for flowing through dew point will be formed between conduit so that the cathodic protection effect on high potential pipeline
Fruit degradation, or even failure, until pipeline enclosure rebalances electrical potential difference.But, due to the balance difficulty of pipeline enclosure electrical potential difference
Greatly, therefore pipeline enclosure almost unanimously has the stray electrical current of high intensity, so as to accelerate dew point corrosion speed, pipeline is caused
Service life is less than preset value, and this namely prior art is difficult to be formed the main cause effectively protected for parallelpiped.Shen
Ask someone by using same impressed current system each transport pipeline in parallel, and parallel line is pressed detecting that stake is added, balance
Potential and electric current between each pipeline, realize that the pressure between each pipeline flows, so as to reduce effectively and significantly each parallel pipe
The possibility of stray electrical current is formed between road, it is achieved thereby that effective protection of the impressed current system on parallelpiped.
Meanwhile, applicants have found that, high sillicon cast-iron anode and breeze bed body are used cooperatively, compared to remaining existing auxiliary
Anode, can convey DC current, electric current transmission fluctuation is smaller, with preferable practicality with more stable to stratum.
Embodiment 2
A kind of parallel ore pulp delivery duct cathodic protection system, as shown in figure 1, including anode the 2, first power supply 3 of bed and 2
Pipeline to be protected 1 that is parallel and conveying in the same direction.First power supply 3 is dc source.The anode bed 2 and the first power supply 3
Positive pole is connected, and is connected after each parallel connection of pipeline 1 to be protected with the negative pole of the first power supply 3.The pipeline to be protected 1 is provided with use
In the monitoring stake 4 of monitoring pipeline conditions.Each pipeline 1 to be protected is in parallel by cable bond road at monitoring stake 4.The anode
Bed 2 includes the high sillicon cast-iron anode 202 connected with the positive pole of the first power supply 3.The high sillicon cast-iron anode 202 is embedded in coke slag-bed
In body 201.The breeze bed body 201 is arranged at the 50m positions of pipeline 1 to be protected.Set on the pipeline to be protected 1
There is booster station 6.Connected between the pipeline to be protected 1 and the internal pipeline of booster station 6 by insulating flange 601.Positioned at adding
It is in parallel by cable bond road between each pipeline 1 to be protected of the homonymy of press pump station 6.Positioned at each pipe to be protected of the heteropleural of booster station 6
Connected with corresponding pipeline 1 to be protected by cable bond road in road 1.Arrester or earthing or grounding means are provided with the booster station 6.Institute
State arrester or earthing or grounding means is provided with D.C. isolation device.
Embodiment 3
A kind of parallel ore pulp delivery duct cathodic protection system, as shown in figure 1, including anode the 2, first power supply 3 of bed and 2
Pipeline to be protected 1 that is parallel and conveying in the same direction.First power supply 3 is dc source.The anode bed 2 and the first power supply 3
Positive pole is connected, and is connected after each parallel connection of pipeline 1 to be protected with the negative pole of the first power supply 3.The pipeline to be protected 1 is provided with use
In the monitoring stake 4 of monitoring pipeline conditions.Each pipeline 1 to be protected is in parallel by cable bond road at monitoring stake 4.The anode
Bed 2 includes the high sillicon cast-iron anode 202 connected with the positive pole of the first power supply 3.The high sillicon cast-iron anode 202 is embedded in coke slag-bed
In body 201.The breeze bed body 201 is arranged at the 150m positions of pipeline 1 to be protected.On the pipeline to be protected 1
Provided with booster station 6.Connected between the pipeline to be protected 1 and the internal pipeline of booster station 6 by insulating flange 601.It is located at
It is in parallel by cable bond road between each pipeline 1 to be protected of the homonymy of booster station 6.Positioned at each to be protected of the heteropleural of booster station 6
Pipeline 1 is connected with corresponding pipeline 1 to be protected by cable bond road.Arrester or earthing or grounding means are provided with the booster station 6.
The arrester or earthing or grounding means are provided with D.C. isolation device.
Embodiment 4
A kind of parallel ore pulp delivery duct cathodic protection system, including anode the 2, first power supply 3 of bed and 2 it is parallel and in the same direction
The pipeline to be protected 1 of conveying.The pipeline to be protected 1 is provided with the monitoring stake 4 for being used for monitoring pipeline conditions.As shown in Fig. 2 institute
State in monitoring stake 4 provided with microprocessor, second source, first line switch, sacrificial anode device and 2 galvanometer.The electricity
Flowmeter distinguishes connecting pipe side wall two ends, and is connected with the receiving end signal of microprocessor.The output end of the microprocessor with
Line switching signal is connected.The second source is connected by first line switch with sacrificial anode device.Remaining structure and reality
Apply example 1 or 2 or 3 identical.
The course of work of above-mentioned detection stake is：Galvanometer detects the size of current flowed through on each pipeline respectively, and such as electric current is big
It is small to be less than preset value or curent change amplitude within a preset range, then only record the information.As size of current has exceeded preset value,
Then issue the user with overprotection alarm.Such as size of current amplitude exceedes preset value, illustrates that pipeline enclosure has stray electrical current appearance, then opens
Sacrificial anode is inserted stratum under the supply of electric power of second source, made in stratum by dynamic sacrificial anode device, sacrificial anode device
Electric current flowed to sacrificial anode.Microprocessor control sacrificial anode is reclaimed after a period of time, realizes the replacement to formation currents
Rectification, so as to reduce the time of stray electrical current presence.In addition, by contrasting real-time current data and historical data on pipeline,
It may determine that the validity of pipeline corrosion protection erosion resisting coating.
Applicant has found that the stray electrical current of ground interlayer, which is also required to certain current path, could form for a long time by research
Stray electrical current.And after changing the electric current in stratum by force by sacrificial anode for a period of time, this formation of formation crude it is spuious
Current path is destroyed, so as to avoid lasting corrosion of the time stray electrical current to pipeline.
Embodiment 5
A kind of parallel ore pulp delivery duct cathodic protection system, including anode the 2, first power supply 3 of bed and 2 it is parallel and in the same direction
The pipeline to be protected 1 of conveying.The pipeline to be protected 1 is provided with the monitoring stake 4 for being used for monitoring pipeline conditions.As shown in Fig. 2 institute
State in monitoring stake 4 provided with microprocessor, second source, first line switch, sacrificial anode device and 2 galvanometer.Such as Fig. 1 institutes
Show, the pipeline 1 to be protected is externally provided with 2 reference electrodes, a pipeline 1 to be protected is externally provided with 1 worn coin electrode.The monitoring
Provided with 2 potentiometers in stake 4.Described potentiometer one end is connected with corresponding reference electrode, the other end and corresponding pipe side wall
Connection, the potential detecting circuit formed between detection pipeline and the reference electrode of pipeline peripheral hardware.Remaining structure and embodiment 1 or 2
Or 3 is identical.Because pipeline is typically buried in underground, therefore detection difficulty is larger.And by detect reference electrode and pipe wall it
Between potential difference, can be with very convenient and know whether impressed current cathodic protection system effectively works in real time, without opening soil
Check.
Embodiment 6
A kind of parallel ore pulp delivery duct cathodic protection system, including anode the 2, first power supply 3 of bed and 2 it is parallel and in the same direction
The pipeline to be protected 1 of conveying.The pipeline to be protected 1 is provided with the monitoring stake 4 for being used for monitoring pipeline conditions.The monitoring stake 4
It is interior to be provided with sacrificial anode device.As shown in Figure 5 and Figure 6, the sacrificial anode device includes：Including straight screw sleeve 401 and sacrificial
Domestic animal anode 402.As shown in Fig. 3, Fig. 5, Fig. 6, screwed hole, straight screw sleeve 401 are provided with the straight screw sleeve 401 vertically
Driving hole is transversely provided with barrel.As shown in Fig. 4, Fig. 5, Fig. 6, sacrificial anode 402 is threaded in screwed hole.The straight spiral shell
Line sleeve 401 is externally provided with switchs the drive device 404 being connected with the first line.Biography is installed in the drive device 404
Dynamic device 403.The transmission device 403 is through the driving hole on the barrel of straight screw sleeve 401, with the sacrificial anode 402
Top is connected.The drive device 404 is fixedly mounted on sliding sleeve 405.The sliding sleeve 405 is set in outside straight screw sleeve 401
Portion, and on the inwall in face of straight screw sleeve 401, provided with restriction plate 406.The restriction plate 406 inserts straight screw sleeve 401
In the groove 407 set on barrel along axis, limitation sliding sleeve 405 drives drive device 404 vertically to be slided up and down along groove 407.
At the driving hole of the straight screw sleeve 401, limited block 408 is provided with one end close to stratum.The sacrificial anode 402 passes through
Unilateral diode is connected with capacitor.Potentiometer is connected with the capacitor, and is connected by the second line switching and battery
It is logical.The potentiometer is connected with the second line switching signal.Remaining structure is identical with embodiment 1 or 2 or 3.
The running of the device is：Microprocessor control circuit switch connection second source and drive device, driving dress
Put and sacrificial anode directional rotating is driven by transmission device.Sacrificial anode is moved downward under the limitation of screw thread along overcoat, until
In its one end insert into stratum, drainage is played.After a period of time, microprocessor control circuit switch reverse power supply makes driving
Device drives sacrificial anode to rotate backward, so that sacrificial anode departs from stratum, recovers the normal operation of cathodic protection system.
The utility model at least has one of the following advantages：
1. the utility model can be realized to parallel 2 pipelines or multi-pipeline by a set of cathodic protection system, effectively
Impressed current cathodic protection, saved installation, the maintenance cost of equipment.
2. the utility model is carried out simultaneously by the connection end at the whole story end of pipeline and each detection stake using cable bond road
Voltage on connection, balanced each pipeline.So as to reduce the failure speed of erosion shield on section of tubing, reduce rotten on pipeline
The erosive velocity of pitting.
3. the utility model is equipped with sacrificial anode device in detection stake, when detecting pipeline dress ornament velocity anomaly,
The current channel in stratum can be reset by sacrificial anode device, further the formation probability of reduction stray electrical current.
The long lines of booster station are needed to add specific connection design 4. the utility model is directed to so that booster station
While completing to pressurize to material, it is to avoid destruction of the booster station to impressed current cathodic protection system.
It should be noted that and understand, in the situation for not departing from the spirit and scope required by the utility model claim
Under, various modifications and improvements can be made to the utility model of foregoing detailed description.It is therefore desirable to the technical scheme of protection
Scope is not limited by given any specific exemplary teachings.
Claims (10)
1. parallel ore pulp delivery duct cathodic protection system, it is characterised in that including anode bed（2）, the first power supply（3）And monitoring
Stake（4）；The anode bed（2）With the first power supply（3）Positive pole connection, first power supply（3）Negative pole wait to protect with more than 2
Pillar road（1）Parallel communication；The monitoring stake（4）It is located at pipeline to be protected（1）On, and be provided with and each pipeline to be protected（1）And
The cable bond road of connection.
2. parallel ore pulp delivery duct cathodic protection system according to claim 1, it is characterised in that the anode bed（2）
Including with the first power supply（3）The high sillicon cast-iron anode of positive pole connection（202）；The high sillicon cast-iron anode（202）It is embedded in coke
Slag-bed body（201）It is interior；The breeze bed body（201）It is arranged on apart from pipeline to be protected（1）At 70-150m positions.
3. parallel ore pulp delivery duct cathodic protection system according to claim 1, it is characterised in that the monitoring stake（4）
It is interior to be provided with microprocessor, second source, first line switch, sacrificial anode device and more than 2 galvanometer；The electric current score
Other connecting pipe side wall two ends, and be connected with the receiving end signal of microprocessor；The output end of the microprocessor is opened with circuit
OFF signal is connected；The second source is connected by first line switch with sacrificial anode device.
4. parallel ore pulp delivery duct cathodic protection system according to claim 3, it is characterised in that the pipeline to be protected
（1）It is externally provided with more than 2 reference electrodes, the monitoring stake（4）Inside it is provided with more than 2 potentiometers；Described potentiometer one end with it is right
The reference electrode connection answered, the other end is connected with corresponding pipe side wall.
5. the parallel ore pulp delivery duct cathodic protection system according to any one of claim 3 or 4, it is characterised in that institute
Stating sacrificial anode device includes：Including straight screw sleeve（401）And sacrificial anode（402）；The straight screw sleeve（401）Interior edge
It is axially arranged with screwed hole, straight screw sleeve（401）Driving hole is transversely provided with barrel；
Sacrificial anode（402）It is threaded in screwed hole；The straight screw sleeve（401）It is externally provided with and is opened with the first line
Correlate the drive device connect（404）；The drive device（404）On transmission device is installed（403）；The transmission device
（403）Through straight screw sleeve（401）Driving hole on barrel, with the sacrificial anode（402）Top connection.
6. parallel ore pulp delivery duct cathodic protection system according to claim 5, it is characterised in that the drive device
（404）It is fixedly mounted on sliding sleeve（405）On；The sliding sleeve（405）It is set in straight screw sleeve（401）Outside, and in face of straight
Screw shell（401）Inwall on, provided with restriction plate（406）；The restriction plate（406）Insert straight screw sleeve（401）Barrel
On the groove that is set along axis（407）It is interior, limit sliding sleeve（405）Drive drive device（404）Along groove（407）Vertical upper downslide
It is dynamic.
7. parallel ore pulp delivery duct cathodic protection system according to claim 5, it is characterised in that the straight screw sleeve
（401）Driving hole at, close to stratum one end be provided with limited block（408）.
8. parallel ore pulp delivery duct cathodic protection system according to claim 5, it is characterised in that the sacrificial anode
（402）Capacitor is connected with by unilateral diode；Be connected with potentiometer on the capacitor, and by the second line switching with
Battery is connected；The potentiometer is connected with the second line switching signal.
9. parallel ore pulp delivery duct cathodic protection system according to claim 1, it is characterised in that the pipeline to be protected
（1）It is provided with booster station（6）；The pipeline to be protected（1）With booster station（6）Pass through insulating flange between internal pipeline
（601）Connection；Positioned at booster station（6）Each pipeline to be protected of homonymy（1）Between to pass through cable bond road in parallel；Positioned at force (forcing) pump
Stand（6）Each pipeline to be protected of heteropleural（1）With corresponding pipeline to be protected（1）Connected by cable bond road.
10. parallel ore pulp delivery duct cathodic protection system according to claim 9, it is characterised in that first power supply
（3）For dc source, the booster station（6）It is interior to be provided with arrester or earthing or grounding means；Set on the arrester or earthing or grounding means
There is D.C. isolation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720094266.6U CN206385259U (en) | 2017-01-24 | 2017-01-24 | Parallel ore pulp delivery duct cathodic protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720094266.6U CN206385259U (en) | 2017-01-24 | 2017-01-24 | Parallel ore pulp delivery duct cathodic protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206385259U true CN206385259U (en) | 2017-08-08 |
Family
ID=59494841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720094266.6U Active CN206385259U (en) | 2017-01-24 | 2017-01-24 | Parallel ore pulp delivery duct cathodic protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206385259U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106757054A (en) * | 2017-01-24 | 2017-05-31 | 云南大红山管道有限公司 | Parallel ore pulp delivery duct cathodic protection system |
| CN107559438A (en) * | 2017-10-25 | 2018-01-09 | 镇江市益宝电气科技有限公司 | A kind of dismountable valve of valve plate and its method for dismounting |
| CN109576713A (en) * | 2018-11-21 | 2019-04-05 | 河北宏龙环保科技有限公司 | Pipeline facility cathode protection device |
-
2017
- 2017-01-24 CN CN201720094266.6U patent/CN206385259U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106757054A (en) * | 2017-01-24 | 2017-05-31 | 云南大红山管道有限公司 | Parallel ore pulp delivery duct cathodic protection system |
| CN106757054B (en) * | 2017-01-24 | 2019-09-24 | 云南大红山管道有限公司 | Parallel ore pulp delivery duct cathodic protection system |
| CN107559438A (en) * | 2017-10-25 | 2018-01-09 | 镇江市益宝电气科技有限公司 | A kind of dismountable valve of valve plate and its method for dismounting |
| CN109576713A (en) * | 2018-11-21 | 2019-04-05 | 河北宏龙环保科技有限公司 | Pipeline facility cathode protection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206385259U (en) | Parallel ore pulp delivery duct cathodic protection system | |
| CN103523411B (en) | Horizontal buried oil storage tank and installation and construction method of matched device pipeline thereof | |
| CN102021584A (en) | Pipe transmission oriented cathode protection system | |
| CN202141690U (en) | Accurate positioning detector for buried metal pipeline anticorrosive coating damaged points | |
| CN106641741B (en) | A kind of device and method of the breaking point of the outer wall erosion resistant coating of the super buried depth pipeline of detection | |
| CN100567575C (en) | Active interference removing apparatus for buried pipeline | |
| CN104532263A (en) | Oil casing pipe cathode protecting system based on pulse current power supply and building method thereof | |
| CN205175626U (en) | Water supply and drainage pipe leak testing system | |
| Hosokawa et al. | Alternating current corrosion risk arising from alternating current-powered rail transit systems on cathodically protected buried steel pipelines and its measures | |
| CN106641724A (en) | Portable on-line automatic oil replenishing device for high-voltage circuit breaker | |
| CN106757054B (en) | Parallel ore pulp delivery duct cathodic protection system | |
| CN2918446Y (en) | Oil well and pipeline corrosion protection cathodic protection apparatus | |
| CN207435552U (en) | The combined system of direct current grounding pole and buried metal pipeline | |
| CN104505605B (en) | Reduce pipeline yard grounding resistance and extend the device and method of ground connection body life time | |
| CN107589350A (en) | A kind of method for oil-gas pipeline seal performance test | |
| US6218840B1 (en) | Apparatus allowing continuous radio detection of underground utilities while maintaining cathodic isolation | |
| CN108318539A (en) | A kind of analysis method of oil gas field pipeline failure reason | |
| CN109868481A (en) | The means of defence that oil-gas pipeline is interfered by HVDC transmission line earthing pole location | |
| CN207904372U (en) | A kind of pipeline sacrifice protection pipe nipple | |
| Durham et al. | Cathodic protection | |
| CN208791772U (en) | A kind of defect detecting device of the coated inside of cathodic protection pipeline | |
| CN102392256A (en) | Wind/solar/electric complementary network anticorrosion system for buried steel pipelines | |
| CN208057423U (en) | A kind of centrifugal booster anti-corrosion integrating device of flue gas seawater wet desulphurization | |
| CN202401132U (en) | Wind-photoelectric complementary network type anticorrosion system for ground buried steel pipeline | |
| JP4190078B2 (en) | Pipeline cathodic protection method and anticorrosion external power device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |