CN100348970C - Reference electrode under cathode protection - Google Patents
Reference electrode under cathode protection Download PDFInfo
- Publication number
- CN100348970C CN100348970C CNB2004100496376A CN200410049637A CN100348970C CN 100348970 C CN100348970 C CN 100348970C CN B2004100496376 A CNB2004100496376 A CN B2004100496376A CN 200410049637 A CN200410049637 A CN 200410049637A CN 100348970 C CN100348970 C CN 100348970C
- Authority
- CN
- China
- Prior art keywords
- electrode
- terrine
- inner bag
- water injection
- injection pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention discloses a reference electrode of a cathodic protection system which is used for arid area in particular to desert areas. A pottery jar internal bladder support seat 1 which is arranged at the bottom center of a pottery jar external bladder 4 which is upwardly opened and a top opening of an internal bladder 3 of the upwardly opened pottery jar are inserted with core tubes 8 which are lead to the ground. The periphery of the core tube 8 is sealed with the inner periphery of the pottery jar internal bladder 3, a water filling pipe 9 which is covered out of the core tube 8 and is fixed by a fixing piece 10 are inserted into the fillers 5 in the pottery jar external bladder 4. The upper end of the water filling pipe 9 is provided with a dismounting sealing cap 11, an electrode wire 12 can penetrate from the water filling pipe 9 on the ground and pass through a sealing of the top opening of the pottery jar internal bladder 3 along the core tube 8, and the electrode wire 12 is welding connected with an electrode 2. An outer ear 18 at one side of the pottery jar external bladder 4 is provided with a pseudo dropping fraction 17 which is connected with a pipeline 16 by a pseudo dropping fraction conducting wire 14. The present invention can protect the long term and smooth work of the cathodic protection system in arid areas in particular to the desert areas, which can assure the time efficiency of a potentiostat and can reduce the maintenance workload, and the present invention can accomplish non-stopping maintenance.
Description
Technical field
The present invention is the contrast electrode that is used for the cathodic protection of arid area.Relate to anticorrosive metal technical field with cathode protection method.
Background technology
Bury the hardware (pipeline etc.) on ground, need carry out corrosion control,, also will adopt the method for cathodic protection to be protected, adopt cathode protection method just need use contrast electrode except its surface applied anticorrosive coat to it.A large amount of now contrast electrode technology of using have been sound; it is out of question being applied under the general geographic climate; but for some Special geography weather conditions; outer especially as the arid area is desert area; because the unusual weather conditions drying, moisture seldom or very easily evaporates in the soil, the very fast inefficacy of conventional contrast electrode; can not guarantee the Homes Using TV of potentiostat, cathodic protection system is long-term work stably.Need a kind of particularly cathodic protection contrast electrode of desert area of arid area that is applicable to for this reason.
Summary of the invention
The objective of the invention is to invent a kind of at the arid cathodic protection contrast electrode of desert area smooth working for a long time particularly.
The present invention is on the basis that existing conventional contrast electrode constitutes, promptly comprise the terrine inner bag 3 that is embedded in the filler 5, be inserted in the electrode 2 in the terrine inner bag 3 and electrode 2 connect electrode cable 12 to potentiostat 13 and pipeline 16, take into full account the characteristics of arid area, proposed a kind of contrast electrode that constitutes as shown in Figure 1.Its feature is to have increased the outer courage 4 of terrine, water injection pipe 9, core pipe 8 and intended dropping fraction 17 than conventional contrast electrode, and electrode 2 has been done significant improvement.Be positioned on the outer courage 4 bottom center terrine inner bag bearings 1 of terrine of upward opening exactly and insert a core pipe 8 that leads to ground on the terrine inner bag 3 of upward opening, and week sealing in core pipe 8 peripheries and the terrine inner bag 3, core pipe 8 overcoats are also inserted in the filler 5 in the outer courage 4 of terrines by the fixing water injection pipes 9 of fixture 10, there is dismounting sealing cap 11 water injection pipe 9 upper ends, and electrode cable 12 penetrates along core pipe 8 peripheries from ground water injection pipe 9 walls and is connected with electrode 2 by 3 sealings suitable for reading of terrine inner bag.Outside terrine, be placed with in the side external ear 18 of courage 4 by intending the plan dropping fraction 17 that dropping fraction lead 14 is access to pipeline 16.Electrode 2 wherein for radially be the table tilting disk around bifilar parallel disc type electrode copper silk, the outer ring copper wire support of this electrode copper wire dish is on the inwall of terrine inner bag 3, below in the bifilar copper wire one is bent downwardly to stretch out perpendicular to card in copper wire disk center does feet, be against on the inner bottom surface of terrine inner bag 3, above in the bifilar copper wire one is connected with electrode cable 12 in that copper wire disk center is curved on perpendicular to card, and tie point is enclosed in terrine inner bag 3 sealing suitable for reading.Entire electrode copper wire dish is arranged on the nearly jar bottom of terrine inner bag 3, with apart from jar end 1cm for well.Intend dropping fraction 17 and adopt with pipeline 16 identical materials and does slabbing, do good anticorrosionly, but will do artificial leak source, and leak source is over against electrode 2.Core pipe 8 forms with web member 7 removable mountings by two sections, is engineering plastics pipe, and there is the removable mounting cap upper end, and is fixed on the center of water injection pipe 9 by several fixtures 10.Wherein fixture 10 is garden ring plates that a plurality of holes are arranged, central bore and 8 loose fits of core pipe, ring periphery and water injection pipe 9 inwall wringing fits; Web member 7 is at two sections core pipe 8 joints one section internal diameter of overcoat and the identical pipeline section of core pipe 8 external diameters equably up and down, and a termination in this pipeline section and the two sections core pipes 8 is connected.The lower end of core pipe 8 is inserted the back suitable for reading of terrine inner bag 3 and with epoxy resin sealing formation between core pipe 8 peripheries and terrine inner bag 3 inwalls is sealed 15.Sealing cap 11 (see figure 2)s of water injection pipe 9 upper ends be one with water injection pipe 9 with the pipeline section top end socket central openings of external diameter and the little external diameter pipeline section that is connected, and at this little external diameter pipeline section wringing fit more suitable for reading knot that can be undone by a pull one bowl-shape cover 20; And water injection pipe 9 upper end overcoats and be connected an internal diameter and water injection pipe 9 external diameters equate and exceed the pipeline section of water injection pipe 9, insert cap seal to hold sealing cap 11 bottoms.
Embodiment:
With a specific embodiment this contrast electrode is described further below.It constitutes as Fig. 1.For the pipeline of the Φ 529mm that adopts 60# steel steel pipe is made the contrast electrode that uses in the desert.To go up bore is 900mm, and the outer courage 4 of the terrine of high 975mm is embedded in the clay 19, makes outer courage 4 suitable for reading the making even of clay 19 and terrine.Footpath, the end of end central authorities 255mm in the courage 4 outside terrine, on footpath, the top 180mm taper type terrine inner bag bearing 1 external diameter 150mm is arranged, the upper shed terrine inner bag 3 of high 330mm, ABS engineering plastics core pipe 8 second segment length 660mm of Φ 20mm, put in terrine inner bag 375mm, first segment length 140mm, two sections by web member 7 connections.At core pipe 8 overcoat Φ 160 * 1425mm PVC water injection pipe 9, and outer courage 4 120mm suitable for reading of insertion terrine, two fixtures 10 are arranged between core pipe 8 and water injection pipe 9, fixture 10 be external diameter 150mm, center-hole diameter 21mm, thick 3mm, circular ring plate, evenly be equipped with 10 in the hole of Φ 5mm on the sheet; The sealing cap 11 of water injection pipe upper end is a Φ 160 * 100mm pipeline section top end socket central openings and a Φ 84 * 20mm pipeline section that is connected, and is 84mm bowl-shape cover 20 at this pipeline section wringing fit more suitable for reading knot that can be undone by a pull one internal diameter; At the water injection pipe 9 upper end overcoats and the internal diameter that is connected is 160mm, high 100mm and the pipeline section that exceeds water injection pipe 9 termination 30mm, inserts cap seal to hold sealing cap 11 bottoms.Bifilar disc type electrode copper wire encloses around 30 by the table tilting disk abreast with two Φ 2mm copper wires, every circle is 4mm at interval, following one of bifilar copper wire stretches out 10mm feet in copper wire disk center perpendicular to card is curved downwards, is against on the inner bottom surface of terrine inner bag 3, plays the role of positioning; Above in the bifilar copper wire one be at copper wire card central vertical curved welding foot of doing on card, with electrode cable 12 welding, and makes pad be positioned at terrine inner bag 3 sealing place with core pipe 8 suitable for reading.Between core pipe 8 peripheries and terrine inner bag 3 inwalls, seal formation with epoxy resin and seal 15.Electrode cable 12 up passes in the middle and upper part of water injection pipe 9 along core pipe 8 and is access to potentiostat 13.Tiltedly put the plan dropping fraction 17 of the 60# steel of 100 * a 20 * 10mm outside terrine in the courage 4 right side external ears 18, dropping fraction lead 14 is intended in its upper end welding, and connects to pipeline 16, spraying epoxy powder anti-corrosion layer.Remove a slice anticorrosive coat at itself and contact position, 18 end of external ear towards electrode 2 one sides, order is intended dropping fraction 17 and is electrically contacted with 18 ends of external ear.Last terrine outside, fill up filler 5 backs are piled 20 thick～50mm of 300mm on it on every side again at water injection pipe 9 big stone layer 6 in the courage 4.This contrast electrode uses through reality, proves that it is convenient to replenish electrolytic solution, avoids stream empty, dilutes even the ion that decontaminates, and is convenient to sample examination.Can carry out clean and change liquid by core pipe 8 when seriously polluted, the excavation of avoiding breaking ground is changed, and reduces maintenance workload, realizes not shutting down maintenance, guarantees Homes Using TV; Can water by filler 5 and the soil around 9 pairs of contrast electrodes of water injection pipe 2, prevent that the electrode arid is unsettled, also can slow down pollution by increasing the useful ion in the water to contrast electrode electrolytic solution; Bifilar disc type electrode 2 can guarantee contacting of electrode copper wire and electrolytic solution to greatest extent, up under extreme case, be that terrine inner bag 3 electrolyte insides are when all flowing sky, as long as have electrolytic solution in the slit between electrode copper wire feet and 3 ends of terrine inner bag, electrode copper wire dish outer ring copper wire and terrine inner bag 3 inwalls, just can constitute electrode, keep work; Increase the outer courage 4 of terrine filler 5 can be scattered, be convenient to electrode and in filler 5, locate; Can prevent to disturb and intend being provided with of dropping fraction 17, improve the cathodic protection precision, also can bury the initial stage underground, intend resistance between dropping fraction 17 and the contrast electrode 2, determine contrast electrode 2 degree of drying of the inside of filler 5 and contrast electrode 2 on every side by test at contrast electrode.For the maintenance management standard of formulating contrast electrode 2 provides data, the cycle of the electrolytic solution of determining to water and annotate.
In sum; this contrast electrode can be in the arid area particularly desert area safeguard the long-term smooth working of cathodic protection system; guarantee the Homes Using TV of potentiostat; reduce maintenance workload and can realize not shutting down maintenance the buried steel member of arid area and the cathodic protection system of pipeline are had very big practical value.
Description of drawings
Fig. 1 cathodic protection contrast electrode pie graph
Fig. 2 sealing cap structural representation
Wherein:
The outer courage of 1-inner bag bearing 2-electrode 3-terrine inner bag 4-terrine
5-filler 6-stone 7-web member 8-core pipe
9-water injection pipe 10-fixture 11-sealing cap 12-electrode cable
13-potentiostat 14-intends dropping fraction lead 15-and seals the 16-pipeline
17-intends dropping fraction 18-external ear 19-clay 20-lid
Claims (7)
1; a kind of cathodic protection contrast electrode; comprise the terrine inner bag [3] that is embedded in the filler [5]; be inserted in the electrode [2] in the terrine inner bag [3]; electrode [2] is connect electrode cable [12] to potentiostat [13] and pipeline [16]; the inner bag bearing [1] that it is characterized in that being positioned at outer courage [4] bottom center of terrine of upward opening is gone up and core pipe [8] that leads to ground of terrine inner bag [3] insertion suitable for reading of upward opening; the interior week of the periphery of core pipe [8] and terrine inner bag [3] is sealed [15] sealing with epoxy resin; core pipe [8] overcoat water injection pipe [9] is also fixing by fixture [10]; in the filler [5] in the outer courage [4] of water injection pipe [9] insertion terrine; there is dismantled and assembled sealing cap [11] water injection pipe [9] upper end; electrode cable [12] penetrates from ground water injection pipe [9]; be connected with electrode [2] by terrine inner bag [3] epoxy sealing mouth [15] suitable for reading along core pipe [8] periphery, external ear [18] lining of courage outside terrine [4] is placed with by intending the plan dropping fraction [17] that dropping fraction lead [14] is access to pipeline [16].
2; a kind of cathodic protection contrast electrode according to claim 1; it is characterized in that electrode [2] for radially be the table tilting disk around bifilar parallel disc type electrode copper silk; the outer ring copper wire support of electrode copper wire is on the inwall of terrine inner bag [3]; below in the bifilar copper wire one done feet in copper wire disk center perpendicular to underground curved the stretching out of card; be against on terrine inner bag [3] inner bottom surface; above in the bifilar copper wire one is connected with electrode cable [12] in that copper wire disk center is curved on perpendicular to card; tie point is enclosed in the seal on the terrine inner bag [3], and electrode copper wire dish is arranged near jar of bottom of terrine inner bag [3].
3, a kind of cathodic protection contrast electrode according to claim 1 is characterized in that described plan dropping fraction [17] adopts with pipeline [16] same material to do slabbing, does well anticorrosionly, and do artificial leak source, and leak source is over against electrode [2].
4, a kind of cathodic protection contrast electrode according to claim 1 is characterized in that core pipe [8] forms with web member [7] removable mounting by two sections, is engineering plastics pipe, is fixed on the center of water injection pipe [9] by several fixtures [10].
5, according to the described a kind of cathodic protection contrast electrode of claim 4, it is characterized in that described fixture [10] for the circular ring plate in a plurality of holes is arranged, central bore cooperates with core pipe [8], ring periphery and water injection pipe [9] inwall wringing fit.
6, a kind of cathodic protection contrast electrode according to claim 1 is characterized in that the back suitable for reading of the lower end insertion terrine inner bag [3] of core pipe [8] is sealed [15] with epoxy resin with sealing formation between the inwall of core pipe [8] periphery and terrine inner bag [3].
7, a kind of cathodic protection contrast electrode according to claim 1, it is characterized in that sealing cap [11] be one with water injection pipe [9] with the pipeline section top end socket central openings of external diameter and the little external diameter pipeline section that is connected, and at this little external diameter pipeline section wringing fit more suitable for reading knot that can be undone by a pull one bowl-shape cover [20]; And water injection pipe [9] the upper end overcoat and the internal diameter that is connected equate with water injection pipe [9] external diameter and the pipeline section that exceeds water injection pipe [9] with appearance sealing cap [11] bottom insertion cap seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100496376A CN100348970C (en) | 2004-06-23 | 2004-06-23 | Reference electrode under cathode protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100496376A CN100348970C (en) | 2004-06-23 | 2004-06-23 | Reference electrode under cathode protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1712569A CN1712569A (en) | 2005-12-28 |
| CN100348970C true CN100348970C (en) | 2007-11-14 |
Family
ID=35718360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100496376A Active CN100348970C (en) | 2004-06-23 | 2004-06-23 | Reference electrode under cathode protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100348970C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11752472B2 (en) | 2019-12-30 | 2023-09-12 | Marathon Petroleum Company Lp | Methods and systems for spillback control of in-line mixing of hydrocarbon liquids |
| US11754225B2 (en) | 2021-03-16 | 2023-09-12 | Marathon Petroleum Company Lp | Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel |
| US11774990B2 (en) | 2019-12-30 | 2023-10-03 | Marathon Petroleum Company Lp | Methods and systems for inline mixing of hydrocarbon liquids based on density or gravity |
| US11794153B2 (en) | 2019-12-30 | 2023-10-24 | Marathon Petroleum Company Lp | Methods and systems for in-line mixing of hydrocarbon liquids |
| US11808013B1 (en) | 2022-05-04 | 2023-11-07 | Marathon Petroleum Company Lp | Systems, methods, and controllers to enhance heavy equipment warning |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4163698A (en) * | 1978-05-22 | 1979-08-07 | Olin Corporation | In situ reference electrode for diaphragm cells |
| US5370783A (en) * | 1991-08-01 | 1994-12-06 | Corrpro Companies, Inc. | Electrode |
| CN2389427Y (en) * | 1999-07-23 | 2000-07-26 | 华榆全天候阴极保护高技术工程公司 | Buried metal cathode protection permanent reference electrode |
| CN2717977Y (en) * | 2004-06-23 | 2005-08-17 | 中国石油天然气股份有限公司 | Cathode protective reference electrode |
-
2004
- 2004-06-23 CN CNB2004100496376A patent/CN100348970C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4163698A (en) * | 1978-05-22 | 1979-08-07 | Olin Corporation | In situ reference electrode for diaphragm cells |
| US5370783A (en) * | 1991-08-01 | 1994-12-06 | Corrpro Companies, Inc. | Electrode |
| CN2389427Y (en) * | 1999-07-23 | 2000-07-26 | 华榆全天候阴极保护高技术工程公司 | Buried metal cathode protection permanent reference electrode |
| CN2717977Y (en) * | 2004-06-23 | 2005-08-17 | 中国石油天然气股份有限公司 | Cathode protective reference electrode |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11752472B2 (en) | 2019-12-30 | 2023-09-12 | Marathon Petroleum Company Lp | Methods and systems for spillback control of in-line mixing of hydrocarbon liquids |
| US11774990B2 (en) | 2019-12-30 | 2023-10-03 | Marathon Petroleum Company Lp | Methods and systems for inline mixing of hydrocarbon liquids based on density or gravity |
| US11794153B2 (en) | 2019-12-30 | 2023-10-24 | Marathon Petroleum Company Lp | Methods and systems for in-line mixing of hydrocarbon liquids |
| US11754225B2 (en) | 2021-03-16 | 2023-09-12 | Marathon Petroleum Company Lp | Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel |
| US11774042B2 (en) | 2021-03-16 | 2023-10-03 | Marathon Petroleum Company Lp | Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel |
| US11808013B1 (en) | 2022-05-04 | 2023-11-07 | Marathon Petroleum Company Lp | Systems, methods, and controllers to enhance heavy equipment warning |
| US11965317B2 (en) | 2022-05-04 | 2024-04-23 | Marathon Petroleum Company Lp | Systems, methods, and controllers to enhance heavy equipment warning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1712569A (en) | 2005-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100348970C (en) | Reference electrode under cathode protection | |
| WO2010072145A1 (en) | Rain-water and snow-water collection and irrigation method and apparatus used thereof | |
| CN109868480B (en) | Buried pipeline cathode protection system | |
| CN2717977Y (en) | Cathode protective reference electrode | |
| CN103792182A (en) | Double-electrolytic tank for simulating under-deposit corrosion and application | |
| CN201148467Y (en) | Combined anode and cathode protection apparatus | |
| EP0353247A1 (en) | A system for determining liquid flow rate through leaks in impermeable membrane liners | |
| CN206338536U (en) | A kind of threeway universal expansion joint | |
| CN108318539A (en) | A kind of analysis method of oil gas field pipeline failure reason | |
| CN108507938A (en) | The lower buried metal pipeline anticorrosive coating peeling of DC stray current effect tests system | |
| CN208087751U (en) | A kind of sacrificial anode inbuilt steel buried pipeline anti-corrosive apparatus in groups | |
| CN208109937U (en) | A kind of measurement of soft graphite grounding body ground resistance and accelerated corrosion experimental rig | |
| CN210034659U (en) | PVC drain pipe is used in city blowdown construction | |
| CN212537124U (en) | Stainless steel pipeline shutoff seal structure | |
| CN216382625U (en) | Pneumatic butterfly valve | |
| CN209636078U (en) | A kind of river sediment in-situ prosthetic device | |
| CN205893392U (en) | Pressure vessel , pipeline under pressure sacrificial anode connecting device | |
| CN211602097U (en) | Corrosion-resistant water level monitoring buoy | |
| CN210639170U (en) | Wide furrow irrigated soil moisture migration test device | |
| CN207632894U (en) | Long-effect copper sulfate reference electrode for arid area | |
| CN206496956U (en) | A kind of micro-wave digestion equipment | |
| CN215630152U (en) | Drainage pipeline mouth well lid mounting structure for municipal works | |
| CN205975703U (en) | A waterproof construction for anchor subassembly | |
| CN201407425Y (en) | Composite corrosion-resistant reinforced concrete drainage pipe | |
| CN214197659U (en) | Anti-slip structure for highly corrosion-resistant nodular cast iron pipe and nodular cast iron pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211105 Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013 Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Address before: 100011 Beijing city Dongcheng District No. 16 Andrew intercontinental building Patentee before: PETROCHINA Co.,Ltd. |