CN205635784U - Pipeline cathodic protection testing system - Google Patents
Pipeline cathodic protection testing system Download PDFInfo
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- CN205635784U CN205635784U CN201620245693.5U CN201620245693U CN205635784U CN 205635784 U CN205635784 U CN 205635784U CN 201620245693 U CN201620245693 U CN 201620245693U CN 205635784 U CN205635784 U CN 205635784U
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Abstract
The utility model provides a pipeline cathodic protection testing system, including constant potential rectifier, its structure is: constant potential rectifier is connected with impressed current cathodic protection system through hand switch I respectively down, cathodic protection system, test simulation return circuit and test system. The utility model provides a pipeline cathodic protection testing system who reaches adopts real buried pipeline to be the cathodic protection object, can simulate the cathodic protection operating mode environment of various differences, both can be used to verify the precision of check out test set, detect process's validity, also can be used to technical training and technical research that pipeline cathodic protection is relevant. One set of such testing system is designed, analog control's maneuverability can be improved. Not only have certain technological advance, still have very big practical value.
Description
Technical field
This utility model belongs to oil and gas pipes cathode protection technology field, particularly relates to a kind of pipeline cathode protection detection pilot system.
Background technology
Cathodic protection is the important component part safeguarding buried pipeline integrity, and national standard [GB/T buried steel pipeline cathode protection technology specification] requires that newly-built or built pipeline should use or add cathode protection measure.Periodic detection for cathodic protection system operation conditions has been included into multinomial country and industry standard [GB 32167 pipe-line Integrity Management specification] [outside SY/T 0087.1 buried steel pipeline, corrosion is directly evaluated].But owing to site environment is complicated, before detecting, generally requires the accuracy of detection to equipment verify, and the technical training that testing staff is correlated with, to ensure the effectiveness of testing result.At present, the analog for pipeline cathode protection mostly is laboratory testing rig, it is more difficult to realize the reproduction to pipeline true environment, it is impossible to meet checking detection equipment, the requirement of characterization processes precision.
Summary of the invention
In order to solve above-mentioned technical problem; this utility model provides a kind of pipeline cathode protection detection pilot system; include impressed current cathodic protection system, cathodic protection system, test simulation loop and test system in systems; said system and loop are operated with manual switches and are connected on potentiostat; this pilot system can simulate various different cathodic protection work condition environment; solve and be difficult to the reproduction to pipeline true environment present in prior art, it is impossible to meet checking detection equipment, the technical problem of characterization processes required precision.
To achieve these goals; the technical solution adopted in the utility model is: a kind of pipeline cathode protection detection pilot system; include potentiostat; it is characterized in that: being operated with manual switches I connection under potentiostat respectively has impressed current cathodic protection system; cathodic protection system, test simulation loop and test system；
Impressed current cathodic protection system is provided with impressed current anode I and impressed current anode II, and manually switching switch I realizes the switching between different impressed current anode；
Cathodic protection system is sequentially connected in series by pipeline I, hand switch II, MTS II and sacrificial anode, and manually switching switch II selects the sacrificial anode in access system；
Test simulation loop is sequentially connected in series by pipeline I, insulating joint and pipeline II, is also parallel with adjustable rheostat on insulating joint；
Test system includes test coupling box, reference electrode binding post in test coupling box is connected with reference electrode, pipeline calibrating terminal I is connected with pipeline I, sacrificial anode calibrating terminal is connected with sacrificial anode, pipeline calibrating terminal II is connected with pipeline II, then goes between respectively to pipeline potential test stake and insulating joint test box.
Described sacrificial anode includes sacrificial anode I and sacrificial anode II.
Described test system includes multiple pipeline potential test stake and multiple insulating joint test box.
Described hand switch I includes multiple separate switch, controls the conducting connection status of MTS I, reference electrode and pipeline I and potentiostat respectively.
The beneficial effects of the utility model are:
1, native system can switch between impressed current and the cloudy insurance system of sacrificial anode, simulates different on-the-spot cloudy guarantor's operating modes；
2, native system can simulate different insulating joint drain conditions；
3, native system is provided with many places current potential and insulating properties test system, is available for the relevant technical training of cathodic protection and uses；
4, native system can be applicable to equipment calibrating, process certification and the technical research that cathodic protection is relevant.
Accompanying drawing explanation
Fig. 1: be electrically connected schematic diagram for this utility model.
Detailed description of the invention
A kind of cathodic protection detection pilot system as shown in Figure 1; include potentiostat 1; it is characterized in that: potentiostat is operated with manual switches I2 connection for 1 time respectively impressed current cathodic protection system; cathodic protection system; test simulation loop and test system; hand switch I2 includes multiple separate switch, controls the conducting connection status of MTS I3, reference electrode 6 and pipeline I18 and potentiostat respectively.
Impressed current cathodic protection system is provided with impressed current anode I4 and impressed current anode II5, and manually switching switch I3 realizes the switching between different impressed current anode；
Cathodic protection system is sequentially connected in series by pipeline I18, hand switch II17, MTS II7 and sacrificial anode, and sacrificial anode includes sacrificial anode I8 and sacrificial anode II9, and manually switching switch II7 selects the sacrificial anode in access system；
Test simulation loop is sequentially connected in series by pipeline I18, insulating joint 19 and pipeline II20, is also parallel with adjustable rheostat 21 on insulating joint 19；
Test system includes test coupling box 10, reference electrode binding post 11 in test coupling box 10 is connected with reference electrode 6, pipeline calibrating terminal I12 is connected with pipeline I18, sacrificial anode calibrating terminal 15 is connected with sacrificial anode, pipeline calibrating terminal II16 is connected with pipeline II20, then goes between respectively to pipeline potential test stake 13 and insulating joint test box 14.Described test system includes multiple pipeline potential test stake 13 and multiple insulating joint test box 14.
Under impressed current the moon protects working condition, potentiostat 1 constitutes the impressed current cathodic protection system of complete set with pipeline I18, reference electrode 6, impressed current anode I4, impressed current anode II5.It is in series with hand switch 2 between potentiostat 1 and external circuit and controls loop break-make.It is provided with MTS I3, it is achieved the switching between different impressed current anodes between impressed current anode I4, impressed current anode II5.
Cloudy at sacrificial anode is protected under working condition, and pipeline I18 and sacrificial anode I8, sacrificial anode I9 constitute a set of cloudy insurance system.It is provided with MTS II7, it is achieved the switching between different sacrificial anodes between sacrificial anode I8, sacrificial anode II9.It is in series with hand switch II17 between MTS II7 and pipeline I18, controls the break-make between sacrificial anode and pipeline.
Pipeline I18, pipeline II20, insulating joint 19, adjustable resistance 21 constitute insulating properties test simulation loop.Being in series with insulating joint 19 between pipeline I18 and pipeline II20, simulation detects environment really.Insulating joint 19 two ends are parallel with adjustable resistance 21, can simulate different insulating joint drain conditions.
Test system includes testing coupling box 10, multiple pipeline potential test stake and insulating joint performance test case 14.It is provided with reference electrode binding post 11, pipeline calibrating terminal I12, sacrificial anode calibrating terminal 15, pipeline calibrating terminal I16 in test coupling box 10, it is connected with reference electrode 6, pipeline I18, sacrificial anode, pipeline II20 respectively, then goes between respectively to pipeline potential test stake 13 and insulating joint test box 14.
Wherein potentiostat 1 uses HDV transistor npn npn potentiostat；Hand switch I2 uses plastic shell air switch；MTS I3 uses rotary switch；Impressed current anode I4 uses conducting polymer flexible anode；Impressed current anode II5 uses steel scrap tube anode；Reference electrode 6 uses copper sulfate reference electrode；MTS II7 uses rotary switch；Sacrificial anode I8 uses sacrificial zinc alloy anode；Sacrificial anode I9 uses sacrificial magnesium alloy anode；Test coupling box 10 uses steel plastic-blasting junction box；Reference electrode binding post 11 uses JXZ-4 pass binding post；Pipeline calibrating terminal I12 uses JXZ-4 pass binding post；Potential test stake 13 uses the common potential test stake that Sanming, Fujian Province produces；Insulating joint test box 14 uses steel plastic-blasting junction box；Sacrificial anode calibrating terminal 15 uses JXZ-4 pass binding post；Pipeline calibrating terminal II16 uses JXZ-4 pass binding post；Hand switch II17 uses plastic shell air switch；Pipeline I18 uses the naked steel pipe of diameter 106mm；Insulating joint 19 uses DN100 insulating joint；Pipeline II20 uses the naked steel pipe of diameter 106mm；Adjustable rheostat 21 uses knob rheostat, variable resistance scope 0 ~ 1000 ohm.
Claims (4)
1. a cathodic protection detection pilot system, includes potentiostat (1), it is characterised in that: potentiostat is operated with manual switches I(2 under (1) respectively) connect and have an impressed current cathodic protection system, cathodic protection system, test simulation loop and test system；
Impressed current cathodic protection system is provided with impressed current anode I(4) and impressed current anode II(5), and manually switching switch I(3) realize the switching between different impressed current anode；
Cathodic protection system is by pipeline I(18), hand switch II(17), MTS II(7) and sacrificial anode be sequentially connected in series, manually switching switch II(7) select the sacrificial anode in access system；
Test simulation loop is by pipeline I(18), insulating joint (19) and pipeline II(20) be sequentially connected in series, insulating joint (19) is also parallel with adjustable rheostat (21)；
Test system includes test coupling box (10), reference electrode binding post (11) in test coupling box (10) is connected with reference electrode (6), pipeline calibrating terminal I(12) with pipeline I(18) be connected, sacrificial anode calibrating terminal (15) is connected with sacrificial anode, pipeline calibrating terminal II(16) with pipeline II(20) be connected, then go between respectively to pipeline potential test stake (13) and insulating joint test box (14).
A kind of cathodic protection detection pilot system the most according to claim 1, it is characterised in that: described sacrificial anode includes sacrificial anode I(8) and sacrificial anode II(9).
A kind of cathodic protection detection pilot system the most according to claim 1, it is characterised in that: described test system includes multiple pipeline potential test stake (13) and multiple insulating joint test box (14).
A kind of cathodic protection detection pilot system the most according to claim 1; it is characterized in that: described hand switch I(2) include multiple separate switch, control MTS I(3 respectively), reference electrode (6) and pipeline I(18) with the conducting connection status of potentiostat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620245693.5U CN205635784U (en) | 2016-03-28 | 2016-03-28 | Pipeline cathodic protection testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620245693.5U CN205635784U (en) | 2016-03-28 | 2016-03-28 | Pipeline cathodic protection testing system |
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| Publication Number | Publication Date |
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| CN205635784U true CN205635784U (en) | 2016-10-12 |
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| CN201620245693.5U Active CN205635784U (en) | 2016-03-28 | 2016-03-28 | Pipeline cathodic protection testing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589350A (en) * | 2017-07-17 | 2018-01-16 | 中国石油天然气股份有限公司 | A kind of method for oil-gas pipeline seal performance test |
| CN109989067A (en) * | 2017-12-29 | 2019-07-09 | 北京中盈安信技术服务股份有限公司 | A kind of cathodic protection system management method and device |
| CN111397864A (en) * | 2018-12-27 | 2020-07-10 | 核动力运行研究所 | Multifunctional test field for nuclear power plant buried pipe detection technology |
-
2016
- 2016-03-28 CN CN201620245693.5U patent/CN205635784U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589350A (en) * | 2017-07-17 | 2018-01-16 | 中国石油天然气股份有限公司 | A kind of method for oil-gas pipeline seal performance test |
| CN109989067A (en) * | 2017-12-29 | 2019-07-09 | 北京中盈安信技术服务股份有限公司 | A kind of cathodic protection system management method and device |
| CN109989067B (en) * | 2017-12-29 | 2020-11-10 | 北京中盈安信技术服务股份有限公司 | Management method and device for cathode protection system |
| CN111397864A (en) * | 2018-12-27 | 2020-07-10 | 核动力运行研究所 | Multifunctional test field for nuclear power plant buried pipe detection technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220329 Address after: 110000 No. 19, Hunnan East Road, Shenyang, Liaoning Patentee after: Shenyang inspection technology branch of national pipe network group north Pipeline Co.,Ltd. Address before: 110168 No. 16, Xuecheng Road, Hunnan District, Shenyang City, Liaoning Province Patentee before: SHENYANG LONGCHANG PIPELINE TESTING CENTER |