CN110373673A - A kind of cathodic protection system modular unit - Google Patents
A kind of cathodic protection system modular unit Download PDFInfo
- Publication number
- CN110373673A CN110373673A CN201910716452.2A CN201910716452A CN110373673A CN 110373673 A CN110373673 A CN 110373673A CN 201910716452 A CN201910716452 A CN 201910716452A CN 110373673 A CN110373673 A CN 110373673A
- Authority
- CN
- China
- Prior art keywords
- module
- cathodic protection
- unit
- equipment
- cable
- 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.)
- Pending
Links
- 238000004210 cathodic protection Methods 0.000 title claims abstract description 54
- 238000010276 construction Methods 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims description 19
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 238000011056 performance test Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 239000000178 monomer Substances 0.000 abstract description 8
- 238000005457 optimization Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000004064 recycling Methods 0.000 description 4
- 210000003771 C cell Anatomy 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 210000003719 b-lymphocyte Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229960001296 zinc oxide Drugs 0.000 description 1
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
Landscapes
- 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 discloses a kind of cathodic protection system modular units, are bolted the cathodic protection EM equipment module being mounted on steel construction saddle, tester module, equipment and insulation facilities protection module, wiring unit module and cathodic protection cable including steel construction saddle and by detachable；The cathodic protection EM equipment module, tester module, equipment and insulation facilities protection module pass through cable respectively and connect with wiring unit module.Each equipment is arranged in monomer module, by the arrangement of equipment each in optimization module, the modularization of cathodic protection system device is simpler by the present invention by modularized design；Monomer module is all made of bolt or inserting mode is fixed on the base, and splits and is easy, and reassembles quick, convenient transportation, is convenient for reusing, improves traditional construction mode；Each module is concise, is easy to internal control, can avoid field connection mistake, can be effectively controlled construction quality, shortens the site operation duration.
Description
Technical field
The invention belongs to corrosion protection technology fields, more particularly, to a kind of cathodic protection system modular unit.
Background technique
Erosion resistant coating adds the mode of cathodic protection Combined Protection, as a kind of effective corrosion control technology, has been widely used
In buried steel oil, gas and water pipeline, storage tank and equipment.Cathodic protection equipment, wiring unit, survey in conventional cathodes protection system
The dispersion of the arrangements such as equipment, anti-surge equipment, data terminal equipment is tried, cable connection is complicated, and each equipment recycling rate of waterused is low, construction
Prefabricated degree is low, and inspection route is long.With the fast development of Three-dimensional Design Technique, make the construction of cathodic protection system modularization and essence
Benefit is prefabricated to be possibly realized.It is badly in need of a kind of cathodic protection system modular unit, is able to solve that equipment is more, is difficult to modular ask
Topic.Device inner space, characteristics of compact layout are made full use of simultaneously；Device internal unit is all made of bolt and fixes and connect, and can be improved
Prefabrication rate.
Summary of the invention
The shortcomings that in order to overcome the prior art, the present invention provides a kind of cathodic protection system modular units, to cathode
Protection system carries out modularization setting, makes full use of device inner space, accomplishes region and channel planning rationally, each equipment arrangement
It concentrates.Complicated to solve the dispersion of equipment arrangement, cable connection in the prior art, each equipment recycling rate of waterused is low, pre- processing procedure of constructing
Spend low, the problems such as inspection route is long.
The technical scheme adopted by the invention is that: a kind of cathodic protection system modular unit, including steel construction saddle and
By it is detachable be bolted the cathodic protection EM equipment module being mounted on steel construction saddle, tester module, equipment and
Insulate facilities protection module, wiring unit module and cathodic protection cable；The cathodic protection EM equipment module, test equipment mould
Block, equipment and insulation facilities protection module pass through cable respectively and connect with the respective terminal of wiring unit module；The wiring is set
Standby module is connect with the cathodic protection cable, and the cathodic protection cable is fixed in the cable trough on steel construction saddle.
Compared with prior art, the positive effect of the present invention is:
1) cathode protection device is carried out modularized design by the present invention, and cathodic protection equipment, wiring unit, test are set
Standby, anti-surge equipment etc. is arranged in monomer module, by the arrangement of equipment each in optimization module, cathodic protection system device
Modularization is simpler；
2) monomer module is all made of bolt or inserting mode is fixed on the base, and splits and is easy, and reassembles quick, transporter
Just, convenient for recycling, traditional construction mode is improved；
3) each module is concise, is easy to internal control, can avoid field connection mistake, can be effectively controlled construction quality,
Shorten the site operation duration；
4) different monomer modules can be configured according to the actual condition of engineering, it, can be preferably in production capacity for built engineering
Increase monomer module under conditions of expansion, convenient for the management service at scene.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is cathodic protection system modular unit layout drawing of the invention；
Fig. 2 is cathodic protection EM equipment module schematic diagram of the invention；
Fig. 3 is tester module schematic diagram of the invention；
Fig. 4 is equipment and insulation facilities protection module diagram of the invention；
Fig. 5 is the connection schematic diagram of A unit and buried metal pipeline；
Fig. 6 is the operation principle schematic diagram of A, B, C cell；
Fig. 7 is the operation principle schematic diagram of D, E, F cell；
Fig. 8 is the operation principle schematic diagram of G, H, I unit.
Specific embodiment
A kind of cathodic protection system modular unit, as shown in Figure 1, comprising: steel construction saddle 1, cathodic protection equipment mould
Block 2, tester module 3, equipment and insulate facilities protection module 4, wiring unit module 5 and cathodic protection cable 6 etc..
As shown in Figure 1, cathodic protection EM equipment module 2, tester module 3, equipment and insulation facilities protection module 4, connect
Line EM equipment module 5 and cathodic protection cable 6 etc. are installed on steel construction saddle 1 by detachable be bolted, convenient for dress
It sets the whole monomer module that is split as and carries out transport and the replacement of monomer module, recycling；The cathodic protection EM equipment module 2
It can provide cathodic protection current and automatically adjust, have cathode protecting parameter acquisition, function, cathodic protection equipment mould are far controlled in teletransmission
Block 2 is connect by cable with 5 respective terminal of wiring unit module；The tester module 3 can to each cathode protecting parameter, absolutely
Edge joint performance etc. carries out on-the-spot test, and tester module 3 is connect by cable with 5 respective terminal of wiring unit module；Institute
It states equipment and insulation facilities protection module 4 has anti-surge, alternating current-direct current interference prevention function, for protection setting in the exhausted of plant stand
From the destruction of thunder and lightning high-voltage surge, equipment and insulation facilities protection module 4 pass through for edge connector and plant stand internal cathodic protection equipment
Cable is connect with 5 respective terminal of wiring unit module；Junction box is set in the wiring unit module 5, is protected by cable and cathode
EM equipment module 2, tester module 3, equipment and insulation facilities protection module 4 is protected to connect, and it is interior set multiple connecting terminals, realize
Cable in modular unit is by wiring unit module 5 and external connection；The cathodic protection cable 6 is all types of cathodes guarantor
Cable is protected, is each attached in the cable trough on steel construction saddle 1.
As a kind of technical optimization scheme of the invention, the steel construction saddle 1 is fashioned iron, and is furnished with lifting lug, is conveniently hung
It ships defeated.
As a kind of technical optimization scheme of the invention, the cathodic protection EM equipment module 2 includes A (data acquisition and remote
Pass remote control function), three B (rectification function), C (auto-adjustment control function) units (see Fig. 2).When actual condition only needs to realize
When cathode protecting parameter in-site collecting and teletransmission are far controlled, which only needs A unit；When actual condition needs are whole
When stream function and cathode protecting parameter in-site collecting and teletransmission are far controlled, which needs two units of A+B；Work as reality
Border operating condition need to meet rectification function and cathode protecting parameter in-site collecting simultaneously and teletransmission is far controlled, and have automatic current output,
When the control function of current potential adjustment, which need to exist simultaneously tri- units of A+B+C.This module can be according to work
Journey actual demand selects different units to be combined into corresponding EM equipment module.
The A unit is used to change the pipe to soil potential of buried metal pipeline into standard industrial process signals (4-20mA), and passes through
Automatic control equipment or wireless transmission method realize the function that teletransmission is far controlled, convenient for station control systems at different levels to the pipe to soil potential of set-point into
Row acquisition monitors and processes.When actual condition only need to realize that cathode protecting parameter in-site collecting and teletransmission are far controlled, cathodic protection
EM equipment module 2 only needs A unit, is detailed in Fig. 5；A unit can be used in combination with unit B and C cell simultaneously, be detailed in Fig. 6.
The unit B includes transformer and rectifier, and transformer is converted to mains alternating voltage in equipment tolerance range
Alternating voltage, rectifier using diode or it is silicon-controlled convert alternating current to equipment needed for direct current, be detailed in Fig. 6.
The C cell is the potential change of real-time detection reference electrode under unit B working condition, with given current potential into
Row compares, amplifies, and adjusts output voltage and exports the small greatly of electric current, stablizes until by protective conduit energization current potential given electric
Position, that is, reach constant potential, be detailed in Fig. 6.
As a kind of technical optimization scheme of the invention, it is all that the tester module 3 can integrate live cathodic protection
Test request, be convenient for field data test job.According to test function demand, D (pipe/earth testing), E can be divided into
Three units of (insulating joint performance test), F (data acquisition, transmission and teletransmission) (see Fig. 3).D, E unit is according to actual condition
Independent choice uses, should when actual condition need to meet pipe/earth testing and data acquisition, transmission and transporting function simultaneously
Tester module need to exist simultaneously D+F unit.In engineer application, selected according to actual functional capability demand one or more of corresponding
Unit be the EM equipment module.
The D unit connects reference electrode, one end for testing by pipe/ground potential of protective conduit, by cable one end
Connection is detailed in Fig. 7 using multimeter test by the current potential of the opposite reference electrode of protective conduit by protective conduit.
The E unit is used to test the current potential at insulating joint both ends, is respectively connected to insulating joint both ends by cable
By in protective conduit, the performance of insulating joint is judged according to the current potential at insulating joint both ends, is detailed in Fig. 7.
The F cell is used for acquisition, transmission and the teletransmission of data, is pipe/ground potential on the basis of D unit by test
By GPRS or other transmission mode teletransmissions to control systems in station at different levels, it is detailed in Fig. 7.
As a kind of technical optimization scheme of the invention, the equipment and insulation facilities protection module 4 are different according to function,
It can be G (anti-surge unit), three H (AC influence protective unit), I (DC influence protective unit) units (see Fig. 4).Its
In, when actual condition need to only realize anti-surge, the equipment and insulation facilities protection module 4 only need G unit；When actual condition needs
When realizing that anti-surge and AC influence are protected, the equipment and insulation facilities protection module 4 need G+H unit；When actual condition needs reality
When now anti-surge and alternating current-direct current interference prevention, the equipment and insulation facilities protection module 4 need G+H+I unit.In engineer application,
Select one or more of corresponding units for the equipment and insulation facilities protection module according to actual functional capability demand.
The G unit is the component or equipment for having anti-instantaneous high pressure electrophoresis function, including Equipotential connector, fire
Flower gap, Zinc-Oxide Arrester etc..G unit is connect by cable one end with pipeline, and one end is connect with grounding body, nominal situation
When, G unit is in open-circuit condition, and pipeline is not turned on grounding body；When there is instantaneous high pressure surge on pipeline, once more than G unit
When the voltage of setting, the switching-on state of G unit, pipeline is connected with grounding body by G unit, and the grounded body of high-voltage surge is straight
Run in and put, is detailed in Fig. 8.
The H-cell is the component or equipment for having isolated DC conducting exchange, including capacity cell or solid-state are gone
Coupler etc..H-cell is connect by cable one end with pipeline, and one end is connect with grounding body, when there is alternating current disturbance on pipeline,
Alternating current is discharged into the earth by grounding body through H-cell, and DC current cannot pass through H-cell discharge, be detailed in Fig. 8.
The I unit is the component or equipment for having the direct current that turn-on time is long, numerical value is big, includes high-power
Electric drainager etc..I unit is connect by cable one end with pipeline, and one end is connect with grounding body, when having time length, numerical value are big on pipeline
Direct current electrical interference when, direct current through I unit by grounding body be discharged into the earth, be detailed in Fig. 8.
As a kind of technical optimization scheme of the invention, the wiring unit module 5 can realize the electricity in modular unit
Cable specifies the working interface at scene with prefabrication by wiring unit module 5 and external connection, favorably connecing on site
Line avoids wiring error.
As a kind of technical optimization scheme of the invention, the cable 6 is each attached to the cable trough on steel construction saddle 1
Interior, wiring is clean and tidy and wiring is not easy to make mistakes.
Claims (10)
1. a kind of cathodic protection system modular unit, it is characterised in that: including steel construction saddle and pass through detachable bolt
Connect be mounted on steel construction saddle cathodic protection EM equipment module, tester module, equipment and insulation facilities protection module,
Wiring unit module and cathodic protection cable；The cathodic protection EM equipment module, tester module, equipment and insulation facility are protected
Shield module passes through cable respectively and connect with the respective terminal of wiring unit module；The wiring unit module and the cathodic protection
Cable connection, the cathodic protection cable are fixed in the cable trough on steel construction saddle.
2. a kind of cathodic protection system modular unit according to claim 1, it is characterised in that: the cathodic protection is set
Standby module includes that functional unit A is far controlled in the data acquisition connecting with buried metal pipeline and teletransmission, for acquiring buried metal pipe
The pipe to soil potential in road simultaneously is converted into realizing that function is far controlled in teletransmission by automatic control equipment or wireless transmission method after current signal.
3. a kind of cathodic protection system modular unit according to claim 2, it is characterised in that: the cathodic protection is set
Standby module further includes the rectification function unit B connecting with buried metal pipeline, and the rectification function unit B includes transformer and whole
Device is flowed, realizes output cathode protective current function, functional unit A and rectification function unit B are far controlled in the data acquisition and teletransmission
Rectifier connection.
4. a kind of cathodic protection system modular unit according to claim 3, it is characterised in that: the cathodic protection is set
Standby module further includes the auto-adjustment control functional unit C connecting with buried metal pipeline, the auto-adjustment control function list
One end of first C is connect with the rectifier of rectification function unit B, and the other end is acquired with data and teletransmission is far controlled functional unit A and connect.
5. a kind of cathodic protection system modular unit according to claim 1, it is characterised in that: the test equipment mould
Block includes pipe/earth testing cells D, and the pipe/earth testing cells D connects reference electrode by cable one end, another
End connection is by protective conduit.
6. a kind of cathodic protection system modular unit according to claim 5, it is characterised in that: the test equipment mould
Block further includes data acquisition, transmission and the remote transmission unit F connecting with pipe/earth testing cells D, for surveying pipe/ground potential
Pipe/ground potential teletransmission of cells D test is tried to control systems in station at different levels.
7. a kind of cathodic protection system modular unit according to claim 1, it is characterised in that: the test equipment mould
Block includes insulating joint performance test unit E, and the insulating joint performance test unit E is respectively connected to insulation by cable and connects
Head both ends connection by protective conduit.
8. a kind of cathodic protection system modular unit according to claim 1, it is characterised in that: the equipment and insulation
Facilities protection module includes anti-surge unit G, and the anti-surge unit G includes Equipotential connector, spark gap and zinc oxide
Arrester, the anti-surge unit G are connect by cable one end with pipeline, and one end is connect with grounding body.
9. a kind of cathodic protection system modular unit according to claim 8, it is characterised in that: the equipment and insulation
Facilities protection module further includes AC influence protective unit H, and the AC influence protective unit H includes that capacity cell or solid-state are gone
Coupler, the AC influence protective unit H are connect by cable one end with pipeline, and one end is connect with grounding body.
10. a kind of cathodic protection system modular unit according to claim 9, it is characterised in that: the equipment and absolutely
Edge facilities protection module further includes DC influence protective unit I, and the DC influence protective unit I includes high-power electric drainager,
The DC influence protective unit I is connect by cable one end with pipeline, and one end is connect with grounding body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910716452.2A CN110373673A (en) | 2019-08-05 | 2019-08-05 | A kind of cathodic protection system modular unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910716452.2A CN110373673A (en) | 2019-08-05 | 2019-08-05 | A kind of cathodic protection system modular unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110373673A true CN110373673A (en) | 2019-10-25 |
Family
ID=68258027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910716452.2A Pending CN110373673A (en) | 2019-08-05 | 2019-08-05 | A kind of cathodic protection system modular unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110373673A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021117009A (en) * | 2020-01-22 | 2021-08-10 | 東京瓦斯株式会社 | Gas safety device |
| CN114250471A (en) * | 2021-12-21 | 2022-03-29 | 西安石油大学 | Cathodic protection potential follow-up control system under oil gas wisdom pipeline framework |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282424Y (en) * | 2008-10-31 | 2009-07-29 | 株洲科瑞变流电气有限公司 | Cathodic protection varying-voltage rectifier |
| CN102345131A (en) * | 2010-08-03 | 2012-02-08 | 成都恒嘉管道防腐工程有限公司 | Potentiostat for resisting metal corrosion and networked constant potential supply system composed of the potentiostat |
| CN203320127U (en) * | 2013-06-08 | 2013-12-04 | 中国石油天然气集团公司 | Buried pipeline cathode protection system of long-distance pipeline process station |
| CN103849880A (en) * | 2014-03-12 | 2014-06-11 | 西安石油大学 | Pulse width modulation based cathode protection method and protector thereof |
| CN105239078A (en) * | 2015-01-26 | 2016-01-13 | 陕西延长石油（集团）有限责任公司管道运输公司 | Anti-corrosion method for in-station pipeline of oil transportation station |
| CN109023384A (en) * | 2017-06-09 | 2018-12-18 | 四川启昌管道工程有限责任公司 | A kind of novel convenient moveable cathodic protection skid mounted equipment |
| CN210367912U (en) * | 2019-08-05 | 2020-04-21 | 中国石油工程建设有限公司 | Cathode protection system modularization device |
-
2019
- 2019-08-05 CN CN201910716452.2A patent/CN110373673A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282424Y (en) * | 2008-10-31 | 2009-07-29 | 株洲科瑞变流电气有限公司 | Cathodic protection varying-voltage rectifier |
| CN102345131A (en) * | 2010-08-03 | 2012-02-08 | 成都恒嘉管道防腐工程有限公司 | Potentiostat for resisting metal corrosion and networked constant potential supply system composed of the potentiostat |
| CN203320127U (en) * | 2013-06-08 | 2013-12-04 | 中国石油天然气集团公司 | Buried pipeline cathode protection system of long-distance pipeline process station |
| CN103849880A (en) * | 2014-03-12 | 2014-06-11 | 西安石油大学 | Pulse width modulation based cathode protection method and protector thereof |
| CN105239078A (en) * | 2015-01-26 | 2016-01-13 | 陕西延长石油（集团）有限责任公司管道运输公司 | Anti-corrosion method for in-station pipeline of oil transportation station |
| CN109023384A (en) * | 2017-06-09 | 2018-12-18 | 四川启昌管道工程有限责任公司 | A kind of novel convenient moveable cathodic protection skid mounted equipment |
| CN210367912U (en) * | 2019-08-05 | 2020-04-21 | 中国石油工程建设有限公司 | Cathode protection system modularization device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021117009A (en) * | 2020-01-22 | 2021-08-10 | 東京瓦斯株式会社 | Gas safety device |
| JP7335822B2 (en) | 2020-01-22 | 2023-08-30 | 東京瓦斯株式会社 | gas safety device |
| CN114250471A (en) * | 2021-12-21 | 2022-03-29 | 西安石油大学 | Cathodic protection potential follow-up control system under oil gas wisdom pipeline framework |
| CN114250471B (en) * | 2021-12-21 | 2023-10-27 | 西安石油大学 | Cathode protection potential follow-up control system under oil gas intelligent pipeline architecture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SA07280617B1 (en) | Device and Method for Detection of Insulation Against Ground Resistance of an Electrolytic Tank Series | |
| US20240060189A1 (en) | Test station assemblies for monitoring cathodic protection of structures and related methods | |
| CN104297627A (en) | Method and system for control and protection of direct current subsea power systems | |
| CN110373673A (en) | A kind of cathodic protection system modular unit | |
| CN102315521B (en) | Pipeline station instrument equipment grounding device | |
| CN104967108B (en) | A kind of Casing Failure cathodic protection corrosion protection instrument DC power-supply system | |
| CN207435552U (en) | The combined system of direct current grounding pole and buried metal pipeline | |
| CN210367912U (en) | Cathode protection system modularization device | |
| CN111638425A (en) | High-voltage cable fault positioning device | |
| CN108051693A (en) | A kind of method of the raising earth fault judgment accuracy based on TAS devices | |
| CN212514848U (en) | High-voltage cable fault positioning device | |
| CN201741822U (en) | Earthing device of pipeline station instrument equipment | |
| CN210287528U (en) | Complete skid-mounted equipment for regional cathodic protection system | |
| CN107482613A (en) | A kind of transformer station direct current system based on DC/DC isolation modules | |
| CN210720633U (en) | GIS partial discharge detection device based on flange bolt | |
| CN209043962U (en) | High-tension cable sheath grounding circulation monitoring device | |
| CN113818021A (en) | Constant potential rectifier with multiple main rectifier units and one standby rectifier unit capable of being automatically switched | |
| CN102315522B (en) | Earthing device of pipeline station instrument equipment and construction method thereof | |
| CN101237127B (en) | Method for eliminating neutral grounding line parallel bug in transmission and distribution system | |
| CN201149995Y (en) | Special surge protective apparatus for cathodic protection system | |
| CN206070004U (en) | Device for inhibiting current leakage of cathode protection system | |
| Khandelwal et al. | Variation of life cycle cost of overhead transmission line and underground transmission cable | |
| CN217689243U (en) | Electrolytic bath system ground fault detection positioning device | |
| CN217508087U (en) | Post cable outlet inflation ring main unit for primary and secondary fusion ring net cage | |
| KR102320666B1 (en) | System and method for relieving ac voltage of underground buried piping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210209 Address after: No. 6, Sichuan hi tech Zone, sublime Road, Chengdu, Sichuan Applicant after: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. Applicant after: CHINA NATIONAL PETROLEUM Corp. Address before: No. 6, Sichuan hi tech Zone, sublime Road, Chengdu, Sichuan Applicant before: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. |