CN210367912U - Cathode protection system modularization device - Google Patents
Cathode protection system modularization device Download PDFInfo
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- CN210367912U CN210367912U CN201921256683.1U CN201921256683U CN210367912U CN 210367912 U CN210367912 U CN 210367912U CN 201921256683 U CN201921256683 U CN 201921256683U CN 210367912 U CN210367912 U CN 210367912U
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Abstract
The utility model discloses a cathode protection system modularization device, which comprises a steel structure saddle, and a cathode protection equipment module, a test equipment module, equipment and insulation facility protection modules, a wiring equipment module and a cathode protection cable which are arranged on the steel structure saddle through detachable bolt connection; the cathode protection equipment module, the test equipment module, the equipment and the insulation facility protection module are respectively connected with the wiring equipment module through cables. The utility model arranges each device in the single module through modular design, and the modularization of the cathode protection system device is simpler by optimizing the arrangement of each device in the module; the single modules are fixed on the base in a bolt or insertion mode, so that the split is easy, the reinstallation is quick, the transportation is convenient, the reutilization is convenient, and the traditional construction mode is improved; each module is simple and clear, internal control is easy, field wiring errors can be avoided, construction quality can be effectively controlled, and the field construction period is shortened.
Description
Technical Field
The utility model belongs to the technical field of the corrosion protection, especially, relate to a cathode protection system modularization device.
Background
The combined protection mode of the anticorrosive layer and the cathodic protection is used as an effective corrosion control technology and is widely applied to buried steel oil, gas and water pipelines, storage tanks and equipment. In the conventional cathodic protection system, cathodic protection equipment, wiring equipment, testing equipment, surge-proof equipment, data terminal equipment and the like are distributed dispersedly, the cable wiring is complex, the repeated utilization rate of each equipment is low, the construction prefabrication degree is low, and the routing inspection line is long. With the rapid development of three-dimensional design technology, the modular construction and lean prefabrication of the cathode protection system are possible. A cathode protection system modularization device is urgently needed, and the problems that a plurality of devices are needed and modularization is difficult are solved. Meanwhile, the internal space of the device is fully utilized, and the arrangement is compact; the internal equipment of the device is fixed and connected by bolts, so that the prefabrication rate of a factory can be improved.
Disclosure of Invention
In order to overcome prior art's shortcoming, the utility model provides a cathode protection system modularization device carries out the modularization setting to cathode protection system, and make full use of device inner space accomplishes that region and passageway planning are reasonable, and each equipment layout concentrates. The problems that in the prior art, equipment arrangement is dispersed, cable wiring is complex, the repeated utilization rate of each equipment is low, the construction prefabrication degree is low, and routing inspection line length is long are solved.
The utility model adopts the technical proposal that: a cathode protection system modularization device comprises a steel structure saddle, and a cathode protection equipment module, a test equipment module, an equipment and insulation facility protection module, a wiring equipment module and a cathode protection cable which are connected and installed on the steel structure saddle through a detachable bolt; the cathode protection equipment module, the test equipment module, the equipment and the insulation facility protection module are respectively connected with corresponding terminals of the wiring equipment module through cables; the wiring equipment module is connected with the cathodic protection cable, and the cathodic protection cable is fixed in a cable groove on the steel structure saddle.
Compared with the prior art, the utility model has the positive effects that:
1) the utility model designs the cathode protection device in a modularized way, arranges cathode protection equipment, wiring equipment, testing equipment, surge prevention equipment and the like in a single module, and the modularization of the cathode protection system device is simpler by optimizing the arrangement of each equipment in the module;
2) the single modules are fixed on the base in a bolt or insertion mode, so that the split is easy, the reinstallation is quick, the transportation is convenient, the reutilization is convenient, and the traditional construction mode is improved;
3) each module is simple and clear, internal control is easy, field wiring errors can be avoided, construction quality can be effectively controlled, and the field construction period is shortened;
4) different monomer modules can be configured according to the actual working conditions of the engineering, and aiming at the established engineering, the monomer modules can be better added under the condition of capacity expansion, so that the on-site management and maintenance are facilitated.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a layout diagram of a modular unit of a cathodic protection system of the present invention;
FIG. 2 is a schematic diagram of a cathodic protection equipment module of the present invention;
FIG. 3 is a schematic diagram of a test equipment module of the present invention;
fig. 4 is a schematic view of the apparatus and insulation protection module of the present invention;
FIG. 5 is a schematic view of the connection of unit A to a buried metal pipeline;
FIG. 6 is a schematic diagram of the operation of unit A, B, C;
FIG. 7 is a schematic diagram of the operation of unit D, E, F;
fig. 8 is a schematic diagram of the operation principle of the G, H, I cell.
Detailed Description
A modular unit of cathodic protection system, as shown in fig. 1, comprising: the device comprises a steel structure saddle 1, a cathode protection device module 2, a test device module 3, a device and insulation facility protection module 4, a wiring device module 5, a cathode protection cable 6 and the like.
As shown in fig. 1, a cathode protection device module 2, a test device module 3, a device and insulation facility protection module 4, a wiring device module 5, a cathode protection cable 6 and the like are all installed on a steel structure saddle 1 through detachable bolt connections, so that the device is convenient to be integrally disassembled into single modules for transportation and replacement and reuse of the single modules; the cathodic protection equipment module 2 can provide cathodic protection current and automatically adjust, has the functions of cathodic protection parameter acquisition and remote transmission remote control, and is connected with the corresponding terminal of the wiring equipment module 5 through a cable; the testing equipment module 3 can carry out field testing on various cathodic protection parameters, insulating joint performance and the like, and the testing equipment module 3 is connected with a corresponding terminal of the wiring equipment module 5 through a cable; the equipment and insulation facility protection module 4 has the functions of surge prevention and alternating current/direct current interference protection, is used for protecting an insulation joint arranged at a plant station and cathode protection equipment in the plant station from being damaged by lightning high-voltage surges, and is connected with a corresponding terminal of the wiring equipment module 5 through a cable; the wiring equipment module 5 is internally provided with a wiring box which is connected with the cathode protection equipment module 2, the test equipment module 3, the equipment and insulation facility protection module 4 through cables, and is internally provided with a plurality of wiring terminals, so that the cables in the modularized device are all connected with the outside through the wiring equipment module 5; the cathodic protection cables 6 are of various types and are all fixed in cable grooves on the steel structure saddle 1.
As a technical optimization scheme of the utility model, steel construction saddle 1 is shaped steel to be furnished with the lug, the transportation of convenient hoist and mount.
As a technical optimization scheme of the present invention, the cathodic protection equipment module 2 includes three units (see fig. 2) of a (data acquisition and remote transmission remote control function), B (rectification function), and C (automatic regulation control function). When the actual working condition only needs to realize the on-site acquisition and remote transmission remote control of the cathodic protection parameters, the cathodic protection equipment module only needs the unit A; when the actual working condition requires the rectification function and the cathodic protection parameter to be acquired on site and remotely transmitted and controlled, the cathodic protection equipment module needs two units of A and B; when the actual working condition needs to simultaneously satisfy the rectification function and the on-site acquisition and remote transmission remote control of the cathodic protection parameters, and has the control functions of automatic current output and potential adjustment, the cathodic protection equipment module needs to have three units of A + B + C. The module can select different units to combine into a corresponding equipment module according to the actual requirements of the engineering.
The A unit is used for converting the pipe-to-ground potential of the buried metal pipeline into a standard industrial signal (4-20mA), and the remote transmission and remote control functions are realized through automatic control equipment or a wireless transmission mode, so that each level of station control system can conveniently acquire, monitor and process the pipe-to-ground potential of a set point. When the actual working condition only needs to realize the on-site acquisition and remote transmission remote control of the cathodic protection parameters, the cathodic protection equipment module 2 only needs the unit A, which is detailed in the figure 5; while unit a may be used in combination with unit B and unit C, see fig. 6 for details.
The B unit contains a transformer that converts the mains ac voltage to an ac voltage within the tolerance range of the device and a rectifier that converts the ac power to the dc power required by the device using diodes or thyristors, as shown in detail in fig. 6.
The unit C detects the potential change of the reference electrode in real time under the working state of the unit B, compares the potential change with a given potential, amplifies the potential change, and adjusts the magnitude of output voltage and output current until the potential of the electrified point of the protected pipeline is stabilized at the given potential, namely reaches a constant potential, which is shown in detail in figure 6.
As a technical optimization scheme of the utility model, test equipment module 3 can integrate all test requirements of on-the-spot cathodic protection, the on-the-spot data test work of being convenient for. According to the requirement of the test function, the test device can be divided into three units, namely a D (pipe/ground potential test), an E (insulating joint performance test) and an F (data acquisition, transmission and remote transmission) (see figure 3). D. The unit E is independently selected and used according to the actual working condition, and when the actual working condition needs to simultaneously meet the pipe/ground potential testing and data acquisition, transmission and remote transmission functions, the D + F unit needs to exist in the testing equipment module. In engineering application, one or more corresponding units are selected as the equipment module according to actual functional requirements.
The unit D is used for testing the pipe/ground potential of the protected pipeline, one end of the unit D is connected with the reference electrode through a cable, the other end of the unit D is connected with the protected pipeline, and the potential of the protected pipeline relative to the reference electrode is tested by using a universal meter, which is shown in detail in figure 7.
The unit E is used for testing the electric potentials at the two ends of the insulating joint, is respectively connected to the protected pipelines at the two ends of the insulating joint through cables, and judges the performance of the insulating joint according to the electric potentials at the two ends of the insulating joint, which is detailed in figure 7.
The F unit is used for data acquisition, transmission and remote transmission, and transmits the tested pipe/ground potential to each stage of station control systems through GPRS or other transmission modes on the basis of the D unit, as shown in detail in fig. 7.
As a technical optimization scheme of the present invention, the equipment and insulation facility protection module 4 can be a G (surge prevention unit), an H (alternating current interference protection unit), and an I (direct current interference protection unit) three unit (see fig. 4) according to different functions. When the practical working condition only needs to realize the anti-surge, the equipment and the insulation facility protection module 4 only needs a G unit; when the practical working condition needs to realize the surge prevention and alternating current interference protection, the equipment and the insulation facility protection module 4 needs a G + H unit; when the practical working condition needs to realize the surge prevention and alternating current/direct current interference protection, the equipment and the insulation facility protection module 4 need a G + H + I unit. In engineering application, one or more corresponding units are selected as the equipment and the insulation facility protection module according to actual functional requirements.
The G unit is a component or equipment with an instantaneous high-voltage surge prevention function, and comprises an equipotential connector, a spark gap, a zinc oxide lightning arrester and the like. One end of the G unit is connected with the pipeline through a cable, the other end of the G unit is connected with the grounding body, and the G unit is in an open circuit state and the pipeline is not conducted with the grounding body under normal working conditions; when there is an instantaneous high voltage surge on the pipe, once the voltage set by the G unit is exceeded, the G unit is switched to a conducting state, the pipe is conducted with the grounding body through the G unit, and the high voltage surge is discharged directly through the grounding body, as shown in detail in fig. 8.
The H unit is a component or equipment with isolated direct current and conducted alternating current, and comprises a capacitance element or a solid-state decoupling device and the like. The H unit is connected with the pipeline through one end of the cable, one end of the H unit is connected with the grounding body, when alternating current interference exists on the pipeline, the alternating current is discharged to the ground through the grounding body through the H unit, and direct current cannot be discharged through the H unit, which is shown in detail in figure 8.
The I unit is a component or equipment with direct current with long conduction time and large value, and comprises a high-power electric drainage device and the like. One end of the I unit is connected with the pipeline through a cable, the other end of the I unit is connected with the grounding body, and when the pipeline has time long and large-value direct current interference, the direct current is discharged to the ground through the grounding body through the I unit, and detailed figure 8 shows.
As a technical optimization scheme of the utility model, the cable that termination module 5 can realize in the modularization device is by termination module 5 and external connection, has made clear and has made clear the prefabricated working interface of scene and mill, is favorable to the wiring at scene, avoids the wiring mistake.
As a technical optimization scheme of the utility model, in cable 6 all fixed the cable duct on steel construction saddle 1, the wiring was clean and tidy and the wiring is difficult for makeing mistakes.
Claims (10)
1. A modular apparatus for cathodic protection systems, characterized by: the device comprises a steel structure saddle, and a cathode protection equipment module, a test equipment module, an equipment and insulation facility protection module, a wiring equipment module and a cathode protection cable which are connected and installed on the steel structure saddle through a detachable bolt; the cathode protection equipment module, the test equipment module, the equipment and the insulation facility protection module are respectively connected with corresponding terminals of the wiring equipment module through cables; the wiring equipment module is connected with the cathodic protection cable, and the cathodic protection cable is fixed in a cable groove on the steel structure saddle.
2. A modular unit for cathodic protection systems as defined in claim 1 wherein: the cathodic protection equipment module comprises a data acquisition and remote transmission remote control functional unit A connected with the buried metal pipeline and is used for acquiring the pipe-to-ground potential of the buried metal pipeline, converting the pipe-to-ground potential into a current signal and then realizing the remote transmission remote control function through automatic control equipment or a wireless transmission mode.
3. A modular unit for cathodic protection systems as defined in claim 2 wherein: the cathodic protection equipment module further comprises a rectification functional unit B connected with the buried metal pipeline, the rectification functional unit B comprises a transformer and a rectifier and realizes the function of outputting cathodic protection current, and the data acquisition and remote transmission remote control functional unit A is connected with the rectifier of the rectification functional unit B.
4. A modular unit for cathodic protection systems as defined in claim 3 wherein: the cathodic protection equipment module further comprises an automatic adjustment control function unit C connected with the buried metal pipeline, one end of the automatic adjustment control function unit C is connected with a rectifier of the rectification function unit B, and the other end of the automatic adjustment control function unit C is connected with the data acquisition and remote transmission remote control function unit A.
5. A modular unit for cathodic protection systems as defined in claim 1 wherein: the test equipment module comprises a pipe/ground potential test unit D, wherein one end of the pipe/ground potential test unit D is connected with the reference electrode through a cable, and the other end of the pipe/ground potential test unit D is connected with a protected pipeline.
6. The modular unit of claim 5, wherein: the test equipment module also comprises a data acquisition, transmission and remote transmission unit F connected with the pipe/ground potential test unit D and used for remotely transmitting the pipe/ground potential tested by the pipe/ground potential test unit D to each stage of station control systems.
7. A modular unit for cathodic protection systems as defined in claim 1 wherein: the test equipment module comprises an insulating joint performance test unit E, and the insulating joint performance test unit E is connected to protected pipelines connected to two ends of the insulating joint through cables.
8. A modular unit for cathodic protection systems as defined in claim 1 wherein: the equipment and insulation facility protection module comprises an anti-surge unit G, the anti-surge unit G comprises an equipotential connector, a spark gap and a zinc oxide lightning arrester, the anti-surge unit G is connected with a pipeline through one end of a cable, and one end of the anti-surge unit G is connected with a grounding body.
9. A modular unit for cathodic protection systems as defined in claim 8 wherein: the equipment and insulation facility protection module further comprises an alternating current interference protection unit H, the alternating current interference protection unit H comprises a capacitance element or a solid-state decoupling device, one end of the alternating current interference protection unit H is connected with the pipeline through one end of a cable, and the other end of the alternating current interference protection unit H is connected with a grounding body.
10. A modular unit for cathodic protection systems as defined in claim 9 wherein: the equipment and insulation facility protection module further comprises a direct current interference protection unit I, the direct current interference protection unit I comprises a high-power electric drainage device, one end of the direct current interference protection unit I is connected with the pipeline through one end of a cable, and the other end of the direct current interference protection unit I is connected with the grounding body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921256683.1U CN210367912U (en) | 2019-08-05 | 2019-08-05 | Cathode protection system modularization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921256683.1U CN210367912U (en) | 2019-08-05 | 2019-08-05 | Cathode protection system modularization device |
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| CN210367912U true CN210367912U (en) | 2020-04-21 |
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| CN201921256683.1U Active CN210367912U (en) | 2019-08-05 | 2019-08-05 | Cathode protection system modularization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373673A (en) * | 2019-08-05 | 2019-10-25 | 中国石油工程建设有限公司 | A kind of cathodic protection system modular unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373673A (en) * | 2019-08-05 | 2019-10-25 | 中国石油工程建设有限公司 | A kind of cathodic protection system modular unit |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210224 Address after: No. 6, Sichuan hi tech Zone, sublime Road, Chengdu, Sichuan Patentee after: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: No. 6, Sichuan hi tech Zone, sublime Road, Chengdu, Sichuan Patentee before: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. |
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| TR01 | Transfer of patent right |