CN212476890U - Novel cathode combined protection device - Google Patents
Novel cathode combined protection device Download PDFInfo
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- CN212476890U CN212476890U CN202021267227.XU CN202021267227U CN212476890U CN 212476890 U CN212476890 U CN 212476890U CN 202021267227 U CN202021267227 U CN 202021267227U CN 212476890 U CN212476890 U CN 212476890U
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- Prior art keywords
- cathode
- protection device
- potentiostat
- anode
- cathodic
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- 239000011701 zinc Substances 0.000 claims abstract description 19
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 17
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 13
- 239000011777 magnesium Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000004568 cement Substances 0.000 claims description 10
- 239000007784 solid electrolyte Substances 0.000 claims description 10
- 238000004210 cathodic protection Methods 0.000 claims description 9
- 239000003832 thermite Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000010405 anode material Substances 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- WEVYAHXRMPXWCK-UHFFFAOYSA-N acetonitrile Substances CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 2
- 229940007718 zinc hydroxide Drugs 0.000 description 2
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 description 2
- 239000011686 zinc sulphate Substances 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Prevention Of Electric Corrosion (AREA)
Abstract
The utility model discloses a novel cathode combined protection device, which comprises a solar device, a cathode protection device connected with the solar device and a drainage device connected with the cathode protection device; the cathode protection device comprises a storage battery, a potentiostat connected with the storage battery, an auxiliary anode connected with the anode of the potentiostat, a sacrificial anode connected with the cathode of the potentiostat and made of magnesium-based material, a cathode connector connected with the cathode of the potentiostat, and a reference electrode connected with a reference interface of the potentiostat; the cathode connector is connected with a pipeline, the pipeline is connected with a drainage device, the drainage device comprises a solid-state decoupling device and a zinc strip drainage bed, one end of the solid-state decoupling device is connected with the pipeline, and the other end of the solid-state decoupling device is connected with the zinc strip drainage bed. The utility model discloses can improve anode material utilization ratio, and can keep the long-term stability of electric potential, avoid the cavity to take place, still utilize the solar device power supply, the condition of having avoided the sudden power failure appears.
Description
Technical Field
The utility model relates to a metal material field of anticorrosiving especially relates to a novel protection is united to negative pole device.
Background
The buried pipeline is influenced by a series of complicated buried conditions of temperature, acidity, stray current and the like in soil for a long time, the corrosion of the outside of the pipeline is extremely easy to accelerate, and the service life is shortened along with the corrosion. The cathodic protection technology can effectively inhibit the corrosion of the buried pipeline and greatly prolong the service life of the metal pipeline, and the protection of the long-distance pipeline in China mainly adopts an impressed current type cathodic protection method. The traditional cathodic protection has the problems of short service life of anode materials, high power consumption, possible cavities, failure caused by sudden power failure and the like in the aspect of long-distance pipelines.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel cathode combined protection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel cathode combined protection device comprises a solar device, a cathode protection device connected with the solar device, and a drainage device connected with the cathode protection device; the cathode protection device comprises a storage battery, a potentiostat connected with the storage battery, an auxiliary anode connected with the anode of the potentiostat, a sacrificial anode connected with the cathode of the potentiostat and made of magnesium-based material, a cathode connector connected with the cathode of the potentiostat, and a reference electrode connected with a reference interface of the potentiostat; the cathode connector is connected with a pipeline, the pipeline is connected with a drainage device, the drainage device comprises a solid-state decoupling device and a zinc strip drainage bed, one end of the solid-state decoupling device is connected with the pipeline, and the other end of the solid-state decoupling device is connected with the zinc strip drainage bed.
Preferably, the solar device comprises a solar panel, a support rod fixed at the bottom of the solar panel and a solar panel wiring connected with the solar panel, and the solar panel wiring is connected with the storage battery; one end of the supporting rod is movably connected with a movable rod, the other end of the supporting rod 14 is movably connected with a cement base layer, and the cement base layer is poured on the ground; be fixed with shaft-like slide rail on the bracing piece, sliding connection has the slider on the slide rail, slide rail one end is fixed with the baffle.
Preferably, the cathode protection device further comprises a separator and a housing, the auxiliary anode, the sacrificial anode, the cathode connector and the reference electrode are all mounted in the housing, and the auxiliary anode, the sacrificial anode, the cathode connector and the reference electrode are separated by the separator one by one.
Preferably, the cathode connector and the pipe are fixedly connected by thermite welding.
Preferably, the bracing piece with be connected with first spherical hinge in between the cement base course, the second spherical hinge is installed to the bottom of slider, the second spherical hinge with the top of movable rod is connected, the bottom of movable rod is connected with the third spherical hinge, the third spherical hinge is fixed subaerial.
Preferably, the casing is filled with KI and I2A quasi-solid electrolyte of material.
The utility model has the advantages that: in the utility model, firstly, the magnesium-based anode is selected as the sacrificial anode, and the zinc hydroxide is selected as the main component of the quasi-solid electrolyte, the open-circuit potential of the magnesium anode is lower than that of zinc, the zinc can be replaced from the compound of the zinc by the magnesium under the alkaline condition, and the replaced zinc particles can form a small primary battery structure with the magnesium anode, release electrons and improve the utilization rate of anode materials; secondly, quasi-solid electrolyte is adopted, so that the long-term stability of the potential can be kept, and the occurrence of cavities is avoided; and thirdly, the solar device is adopted for supplying power, the angle of the solar panel can be flexibly adjusted, so that solar energy is stored for supplying power, and the condition of sudden power failure can be avoided.
Drawings
FIG. 1 is a structural diagram of a cathodic combined protection device according to the present invention;
FIG. 2 is an internal structural view of the solar power device;
fig. 3 is a structural view of the drainage device.
Reference numbers in the figures: 1 solar device, 11 cement-based layer, 12 first spherical hinge, 13 solar panel wiring, 14 support bar, 151 slide rail baffle, 152 slide rail, 153 slide block, 16 second spherical hinge, 17 movable bar, 18 third spherical hinge, 19 solar panel, 2 cathode protection device, 21 storage battery, 22 potentiostat, 23 auxiliary anode, 24 sacrificial anode, 25 cathode connector, 26 reference electrode, 27 diaphragm, 28 housing, 3 pipe, 4 drainage device, 41 solid state decoupler, 42 zinc strip drainage bed.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a novel cathodic combined protection device comprises a solar device 1, a cathodic protection device 2 connected with the solar device 1, and a drainage device 4 connected with the cathodic protection device 2; the cathode protection device 2 comprises a storage battery 21, a potentiostat 22 connected with the storage battery 21, an auxiliary anode 23 connected with the anode of the potentiostat 22, a sacrificial anode 24 connected with the cathode of the potentiostat 22 and made of magnesium-based material, a cathode connector 25 connected with the cathode of the potentiostat 22, and a reference electrode 26 connected with a reference interface of the potentiostat 22; the cathode connector 25 is connected with the pipe 3, the pipe 3 is connected with the drainage device 4, the drainage device 4 comprises a solid-state decoupler 41 and a zinc strip drainage bed 42, one end of the solid-state decoupler 41 is connected with the pipe 3, and the other end of the solid-state decoupler 41 is connected with the zinc strip drainage bed 42.
In the embodiment, the solar device 1 comprises a solar panel 19, a support rod 14 fixed at the bottom of the solar panel 19, and a solar panel connection 13 connected with the solar panel 19, wherein the solar panel connection 13 is connected with a storage battery 21; one end of the supporting rod 14 is movably connected with a movable rod 17, the other end of the supporting rod 14 is movably connected with a cement base layer 11, and the cement base layer 11 is poured on the ground; a rod-shaped slide rail 152 is fixed on the support rod 14, a slide block 153 is connected on the slide rail 152 in a sliding manner, and a baffle 151 is fixed at one end of the slide rail 152.
In this embodiment, the cathode protection device 2 further includes a separator 27 and a housing 28, the auxiliary anode 23, the sacrificial anode 24, the cathode connector 25 and the reference electrode 26 are all mounted in the housing 28, and the auxiliary anode 23, the sacrificial anode 24, the cathode connector 25 and the reference electrode 26 are separated one by the separator 27. Specifically, the housing (28) is made of a polytetrafluoroethylene sheet and has a size of 500mm × 500mm × 600 mm.
In the present embodiment, the cathode connector 25 and the pipe 3 are fixedly connected by thermite welding. Specifically, after the power-on contacts are connected, the hot melt adhesive heating shrinkage band is used for carrying out anticorrosion and insulation treatment. The arrangement can play the roles of lightning protection and stray current discharge.
In this embodiment, a first spherical hinge 12 is connected between the support rod 14 and the cement-based layer 11, a second spherical hinge 16 is installed at the bottom of the sliding block 153, the second spherical hinge 16 is connected with the top end of the movable rod 17, a third spherical hinge 18 is connected with the bottom end of the movable rod 17, and the third spherical hinge 18 is fixed on the ground.
In this embodiment, the housing 28 is filled with KI and I2A quasi-solid electrolyte of material. Specifically, the quasi-solid electrolyte is prepared by dissolving KI with glycol dissolving agent, and dissolving I with acetonitrile2And obtaining a mixed electrolyte solution; using NaOH solution and ZnSO4The solution is used as metal electrolyte, the electrolyte solution and the metal electrolyte are heated and dissolved, gelling agent is added, and finally quasi-solid electrolyte is formed. Thus obtaining Zn (OH)2As the main component of quasi-solid electrolyte in the protective device, the utilization rate of anode materials is improved, and particularly, the support rod (14) and the movable rod (17) are made of carbon fiber materials.
Compared with the prior art, the beneficial effects of the utility model are that: structural design of novel cathode combined protection deviceThe anode material has the advantages of long service life, low pipeline corrosion rate and low power consumption, and the magnesium-based anode is selected as a sacrificial anode, and the zinc hydroxide is selected as the main component of the quasi-solid electrolyte, so that the open-circuit potential of the magnesium anode is lower than that of the zinc, the magnesium can replace the zinc from the compound of the magnesium anode under the alkaline condition, and the replaced zinc particles and the magnesium anode can form a small primary cell structure to release electrons, thereby improving the utilization rate of the anode material; by selecting NaOH and ZnSO4Zn (OH) formed as metal electrolyte2The colloid enables the solution to be easier to form a quasi-solid state, and the quasi-solid electrolyte has high conductivity, low volatility and stable chemical property, and can ensure the long-term stability of the potential of the device; the device is provided with the solar device for power supply, so that the device can independently exist in the field, the solar panel supplies power in sunny days, an external current is used as a main power supply, the sacrificial anode is used as an auxiliary power supply, and the sacrificial anode plays a main role in night or thunderstorm days when the electric quantity of the storage battery is insufficient; by arranging a drainage protection measure of the solid-state decoupling device and the zinc belt, the lightning protection and stray current discharge effects are achieved; the movable rod is arranged below the solar panel, so that the solar panel can be adjusted according to the sun irradiation angle, and the light energy is utilized to the maximum extent; the support rod and the movable rod of the solar device are made of carbon fiber materials, so that the weight of the support device is reduced, and the bearing capacity of the support device is enhanced.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A novel cathodic combined protection device is characterized by comprising a solar device (1), a cathodic protection device (2) connected with the solar device (1), and a drainage device (4) connected with the cathodic protection device (2); the cathode protection device (2) comprises a storage battery (21), a potentiostat (22) connected with the storage battery (21), an auxiliary anode (23) connected with the anode of the potentiostat (22), a sacrificial anode (24) which is connected with the cathode of the potentiostat (22) and is made of magnesium-based material, a cathode connector (25) connected with the cathode of the potentiostat (22), and a reference electrode (26) connected with a reference interface of the potentiostat (22); the cathode connector (25) is connected with a pipeline (3), the pipeline (3) is connected with a drainage device (4), the drainage device (4) comprises a solid-state decoupling device (41) and a zinc strip drainage bed (42), one end of the solid-state decoupling device (41) is connected with the pipeline (3), and the other end of the solid-state decoupling device (41) is connected with the zinc strip drainage bed (42).
2. The combined cathode protection device according to claim 1, wherein the solar device (1) comprises a solar panel (19), a support rod (14) fixed at the bottom of the solar panel (19), and a solar panel connection (13) connected with the solar panel (19), wherein the solar panel connection (13) is connected with the storage battery (21); one end of the supporting rod (14) is movably connected with a movable rod (17), the other end of the supporting rod (14) is movably connected with a cement base layer (11), and the cement base layer (11) is poured on the ground; be fixed with shaft-like slide rail (152) on bracing piece (14), sliding connection has slider (153) on slide rail (152), slide rail (152) one end is fixed with baffle (151).
3. A novel combined cathodic protection device according to claim 1, characterized in that the cathodic protection device (2) further comprises a separator (27) and a casing (28), the auxiliary anode (23), the sacrificial anode (24), the cathode connector (25) and the reference electrode (26) are all housed in the casing (28), and the auxiliary anode (23), the sacrificial anode (24), the cathode connector (25) and the reference electrode (26) are separated one by the separator (27).
4. A new cathodic combined protection device according to claim 1, characterized in that the cathodic connector (25) is fixedly connected to the pipe (3) by thermite welding.
5. A novel cathodic combined protection device according to claim 2, characterized in that a first spherical hinge (12) is connected between the support rod (14) and the cement-based layer (11), a second spherical hinge (16) is installed at the bottom of the slide block (153), the second spherical hinge (16) is connected with the top end of the movable rod (17), a third spherical hinge (18) is connected with the bottom end of the movable rod (17), and the third spherical hinge (18) is fixed on the ground.
6. A new cathodic combined protection device according to claim 3, characterized in that the casing (28) is filled with KI and I2A quasi-solid electrolyte of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021267227.XU CN212476890U (en) | 2020-07-01 | 2020-07-01 | Novel cathode combined protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021267227.XU CN212476890U (en) | 2020-07-01 | 2020-07-01 | Novel cathode combined protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212476890U true CN212476890U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021267227.XU Active CN212476890U (en) | 2020-07-01 | 2020-07-01 | Novel cathode combined protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212476890U (en) |
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- 2020-07-01 CN CN202021267227.XU patent/CN212476890U/en active Active
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231115 Address after: 300457 room 803, Ronghui building, No. 58, Dongting Road, economic and Technological Development Zone, Binhai New Area, Tianjin Patentee after: Tianjin Development Zone Jingnuo Hanhai Data Technology Co.,Ltd. Address before: No. 5340 Xiping Road, Beichen District, Tianjin 300401 Patentee before: Hebei University of Technology |