CN109338376A - A kind of fixed device of novel impressed current anode - Google Patents
A kind of fixed device of novel impressed current anode Download PDFInfo
- Publication number
- CN109338376A CN109338376A CN201811383251.7A CN201811383251A CN109338376A CN 109338376 A CN109338376 A CN 109338376A CN 201811383251 A CN201811383251 A CN 201811383251A CN 109338376 A CN109338376 A CN 109338376A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- impressed current
- current anode
- novel
- flange
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 238000005260 corrosion Methods 0.000 claims abstract description 14
- 230000007797 corrosion Effects 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 13
- 239000004677 Nylon Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000013535 sea water Substances 0.000 abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 3
- 238000004210 cathodic protection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000003466 welding Methods 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
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/18—Means for supporting electrodes
-
- 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 belongs to nuclear power plant's seawater pipeline anticorrosion technical fields, and in particular to a kind of fixed device of novel impressed current anode.The device is connect by the sleeve of L shape with impressed current anode, sealing ring is provided between sleeve and impressed current anode, sleeve top is fixedly connected with flange, and is equipped with sealing cover, to realize the sealing of sleeve.The sleeve outer wall of the device is coated with corrosion-inhibiting coating, can be effectively prevented seawater corrosion sleeve and the case where being broken and impressed current anode is made to fail occurs.The utility model has the advantages that sleeve and anode junction are sealed using silica gel ring, sleeve and anode can be prevented due to the not tight situation of thread seal, can effectively prevent the intrusion of seawater；The appearance of the situation can be prevented using bush support；Part on impressed current anode, is in atmospheric environment, is threadedly coupled by sealing cover with flange, and sleeve inner is made to be in sealing state, prevents the water in environment or other substances with corrosive nature from entering sleeve inner.
Description
Technical field
The invention belongs to nuclear power plant's seawater pipeline anticorrosion technical fields, and in particular to a kind of fixed dress of novel impressed current anode
It sets.
Background technique
In nuclear power field, impressed current cathodic protection has output as one of most common means of seawater pipeline anticorrosion
The advantages that electric current is continuously adjustable, protection scope is not limited by surrounding medium resistivity greatly, or not good economy performance, long protection service life, in sea
Great function is played in water anti-corrosion.The impressed current cathodic protection that nuclear power station seawater pipeline uses, usually by impressed current anode, ginseng
It is formed than electrode, DC power supply three parts.Impressed current anode is connected by the anode with DC power supply and by protection metallic conduit
And surrounding medium constitutes a complete circuit loop, the current loop of formation provides cathodic protection electricity for protected structure
Stream.Installation method of the impressed current anode in seawater pipeline, the aperture usually on pipeline, then welded flange, passes through upper laxative remedy
Orchid connection.To play better protective effect to seawater pipeline, the prior art is using the sleeve that 10CrMoAl is processed into as fixation
Impressed current anode is placed in seawater pipeline center position, can form stable loop current in this way by device.In order to preferably protect
Fixed device generallys use the method toward sleeve perfusion paraffin, makes to regularly replace in nuclear power plant auxiliary in sleeve in sealing state
During supporing yang pole, paraffin brings very big trouble to replacement, and occurs sleeve breakage in use and cause
The phenomenon that seawater pipeline seawater leaks outside.Therefore, it is necessary to a kind of fixed devices of novel impressed current anode, realize and protect to impressed current cathode
The effective protection of the impressed current anode of shield.
Summary of the invention
It is an object of the invention to ask for existing fixed device is inconvenient for use and easy to damage when replacing impressed current anode
Topic provides a kind of fixed device of novel impressed current anode.
Technical scheme is as follows:
A kind of fixed device of novel impressed current anode, including impressed current anode, sealing ring, sleeve, bush support, flange and sealing
Lid；Sleeve is L shape tubular structure, and the end of sleeve is threadedly coupled with impressed current anode, between sleeve and the top of impressed current anode
It is provided with sealing ring, the top of sleeve is fixedly connected on the center of flange, and flange center is provided with diameter no more than sleeve outer diameter
Through-hole, sealing cover are mounted on flange center's through-hole, for realizing the sealing at the top of sleeve.
Further, the sealing cover includes ontology, clamp jaw, steps up circle and clamping head；Ontology is with externally threaded
The through hole whorl of cylindrical structure, its underpart and flange center connects, and upper part is provided with clamp jaw, steps up circle and is located at clamp jaw
Interior, clamping head is threadedly coupled with the top of ontology, will step up to enclose the realization sealing that is clipped in the middle.
Further, bulge-structure is equipped among the ontology of the sealing cover.
Further, the ontology and clamp jaw use the integrally manufactured molding of nylon material.
Further, the sleeve outer wall is coated with corrosion-inhibiting coating.
Further, the impressed current anode is platinized and titanized anode.
Further, the junction of the flange and sleeve is provided with reinforcing rib as bush support.
Further, the sleeve and flange use with by the identical material of protection metal.
Further, the sleeve and flange use 10CrMoAl material.
The beneficial effects of the present invention are:
The sleeve outer wall of the device is coated with corrosion-inhibiting coating, can be effectively prevented seawater corrosion sleeve and occur being broken and making to assist
The case where anode fails.Sleeve and anode junction using silica gel ring sealing, can prevent sleeve and anode due to thread seal not
Tight situation can effectively prevent the intrusion of seawater.Since the flow velocity of seawater pipeline in nuclear power station is bigger, sleeve may be made
It is deformed in pipeline due to sea washes, the appearance of the situation can be prevented using bush support.Part on impressed current anode is in big
In compression ring border, be threadedly coupled by sealing cover with flange, sleeve inner made to be in sealing state, prevent water in environment or its
There is the substance of corrosive nature to enter sleeve inner for he.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the disassembly diagram of sealing cover in Fig. 1.
In figure: 1- impressed current anode, 2- sealing ring, 3- sleeve, 4- bush support, 5- flange, 6- sealing cover, 6-1 ontology, 6-
2 clamp jaws, 6-3 step up circle, 6-4 clamping head, 7- conducting wire.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Present embodiments provide a kind of fixed device of novel impressed current anode, structure as shown in Figure 1, include impressed current anode 1,
Sealing ring 2, sleeve 3, bush support 4, flange 5 and sealing cover 6.
Sleeve 3 is L shape tubular structure, using the 10CrMoAl with seawater pipeline same material, is used for impressed current anode 1
It is placed in the center of seawater pipeline, impressed current anode 1 is made to form stable electric current.3 outer wall of sleeve is coated with corrosion-inhibiting coating (such as ring
Oxygen anticorrosive paint), seawater corrosion sleeve can be effectively prevented and the case where being broken and impressed current anode 1 is made to fail occur.
The end of sleeve 3 is threadedly coupled with impressed current anode 1, and impressed current anode 1 is platinized and titanized anode, which, which has, uses the longevity
The advantages that life is long, cost performance is high.
Sealing ring 2 is provided between sleeve 3 and the top of impressed current anode 1, the sealing ring 2 of the present embodiment uses silica gel
Circle, by the extruding of impressed current anode 1 and sleeve 3, play the role of seal sleeve 3 and 1 junction of impressed current anode, prevent seawater into
Enter 3 inside of sleeve to corrode 3 inner wall of sleeve.
The top of sleeve 3 is welded on the center of flange 5, and the junction of flange 5 and sleeve 3 is provided with reinforcing rib conduct
Bush support 4 is deformed in seawater pipeline by sea washes to avoid sleeve 3.Bush support 4 and flange 5 are all made of
10CrMoAl material, can be to avoid the generation of galvanic corrosion using identical material with seawater pipeline.
5 center of flange is provided with the through-hole that diameter is not more than 3 outer diameter of sleeve, and through-hole is equipped with internal screw thread.Flange 5 by with welding
In the flanged joint of seawater pipeline tapping, the fixation of sleeve 3 is realized, so that impressed current anode 1 is fixed on seawater pipeline
Center.
Sealing cover 6 has the function of cable seal, is connect by screw thread with flange 5, prevents the water or corrosion in environment
Medium enters corrosion sleeve 3 inside sleeve 3.The structure of sealing cover 6 is as shown in Fig. 2, including ontology 6-1, clamp jaw 6-2, stepping up
Enclose 6-3 and clamping head 6-4；Ontology 6-1 is with externally threaded cylindrical structure, the interior spiral shell of its underpart screw thread and 5 center of flange
Line matches, and a circular bulge-structure is equipped among ontology 6-1, divides two-part screw thread up and down, and realize ontology
6-1 is assemblied in support and limit behind 5 center of flange；The top ontology 6-1 is provided with clamp jaw 6-2, encloses 6- for promptly stepping up
3, clamp jaw 6-2 are circle multi-clove type structure be arranged along ontology 6-1 upper, annular edge, similar to a circular ring shape brush, from
And will step up to enclose 6-3 package wherein, elastic deformation can be generated under stress；Ontology 6-1 and clamp jaw 6-2 are integrated system
It makes, is all made of synthetic fibers material (such as nylon), clamp jaw 6-2 is manufactured using nylon material；Step up to enclose 6-3 to be silica gel sealing
Circle；Clamping head 6-4 is provided with the internal screw thread matched with the top ontology 6-1, is glass steel material.When installation, ontology 6-1 installation
In the through-hole at 5 center of flange, the rubber for reinforcing sealing effect is provided between the stop nut among ontology 6-1 and flange 5
Gasket steps up circle 6-3 and is placed among clamp jaw 6-2, and clamping head 6-4 is threadedly coupled with the top of ontology 6-1, will step up to enclose 6-
3, which are clipped in the middle, realizes sealing.
When in use, it connect conducting wire 7 with impressed current anode 3 through sealing cover 6 and sleeve 3, then clears up 3 spiral shell of sleeve
Foreign matter at 1 screw thread of line and impressed current anode, prevents the presence of foreign matter and to be threadedly coupled sleeve 3 with impressed current anode 1 untight
Situation occurs, and places sealing ring 2, tightens impressed current anode 1.After impressed current anode 1 is tightened, sealing cover 6 is installed, first by sealing cover ontology
6-1 is connect with flange 5, and then tightening clamping head 6-4 seals conducting wire 7.
It in the present embodiment, is partially located in atmospheric environment on impressed current anode 1, is threadedly coupled by sealing cover 6 with flange 5,
Make to prevent the water in environment or other substances with corrosive nature from entering sleeve inner in sealing state inside sleeve 3.
The structure and material design of the sealing cover 6 of the present embodiment design can be good at realizing sealing effect, substantially increase the present apparatus
The reliability and service life used；And sleeve 3 and 1 junction of impressed current anode are sealed using silica gel ring 2, can prevent 3 He of sleeve
Anode 1 can effectively prevent the intrusion of seawater due to the not tight situation of thread seal.In addition, 3 outer wall of sleeve is also coated with anti-corrosion
Coating can be effectively prevented seawater corrosion sleeve 3 and the case where being broken and impressed current anode is made to fail occurs.Due to seawater in nuclear power station
The flow velocity of pipeline is bigger, and sleeve 3 may be made to deform in pipeline due to sea washes, can prevent this using bush support 4
The appearance of situation.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.It is if these modifications and variations are within the scope of the claims of the present invention and its equivalent technology, then of the invention
It is also intended to include these modifications and variations.
Claims (10)
1. a kind of fixed device of novel impressed current anode, it is characterised in that: including impressed current anode (1), sealing ring (2), sleeve (3),
Bush support (4), flange (5) and sealing cover (6)；
Sleeve (3) is L shape tubular structure, and the end of sleeve (3) is connect with impressed current anode (1), sleeve (3) and impressed current anode
(1) it is provided between sealing ring (2), the top of sleeve (3) is fixedly connected on the center of flange (5), and flange (5) center is provided with directly
Diameter is not more than the through-hole of sleeve (3) outer diameter, and sealing cover (6) is mounted on flange (5) central through hole, for realizing sleeve (3) top
The sealing in portion.
2. the fixed device of a kind of novel impressed current anode as described in claim 1, it is characterised in that: the sealing cover (6) includes
Ontology (6-1), clamp jaw (6-2) step up to enclose (6-3) and clamping head (6-4)；Ontology (6-1) is with externally threaded cylindrical body
Structure, its underpart are connect with the through hole whorl at flange (5) center, and upper part is provided with clamp jaw (6-2), step up to enclose the position (6-3)
In the clamp jaw (6-2), clamping head (6-4) is threadedly coupled with the top of ontology (6-1), will be stepped up circle (6-3) and is clipped in the middle reality
Now seal.
3. the fixed device of a kind of novel impressed current anode as claimed in claim 2, it is characterised in that: the sheet of the sealing cover (6)
Bulge-structure is equipped among body (6-1).
4. the fixed device of a kind of novel impressed current anode as claimed in claim 2 or claim 3, it is characterised in that: the ontology (6-1) and
Clamp jaw (6-2) is integrated manufacture.
5. the fixed device of a kind of novel impressed current anode as claimed in claim 4, it is characterised in that: the ontology (6-1) and folder
Tight pawl (6-2) is nylon material.
6. the fixed device of a kind of novel impressed current anode as claimed in claim 2 or claim 3, it is characterised in that: sleeve (3) outer wall
It is coated with corrosion-inhibiting coating.
7. the fixed device of a kind of novel impressed current anode as claimed in claim 2 or claim 3, it is characterised in that: the impressed current anode (1)
For platinized and titanized anode.
8. the fixed device of a kind of novel impressed current anode as claimed in claim 2 or claim 3, it is characterised in that: the flange (5) and set
The junction of cylinder (3) is provided with reinforcing rib as bush support (4).
9. the fixed device of a kind of novel impressed current anode as claimed in claim 2 or claim 3, it is characterised in that: the sleeve (3) and method
Blue (5) using with by the identical material of protection metal.
10. the fixed device of a kind of novel impressed current anode as claimed in claim 9, it is characterised in that: the sleeve (3) and flange
(5) 10CrMoAl material is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383251.7A CN109338376A (en) | 2018-11-20 | 2018-11-20 | A kind of fixed device of novel impressed current anode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383251.7A CN109338376A (en) | 2018-11-20 | 2018-11-20 | A kind of fixed device of novel impressed current anode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109338376A true CN109338376A (en) | 2019-02-15 |
Family
ID=65316493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811383251.7A Pending CN109338376A (en) | 2018-11-20 | 2018-11-20 | A kind of fixed device of novel impressed current anode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109338376A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388838A (en) * | 2021-05-23 | 2021-09-14 | 上海赟申船舶工程有限公司 | Suspension type auxiliary anode |
| CN115786920A (en) * | 2022-11-28 | 2023-03-14 | 深海技术科学太湖实验室 | Auxiliary anode device for ocean platform cathode protection and installation method thereof |
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|---|---|---|---|---|
| US1514903A (en) * | 1924-04-18 | 1924-11-11 | Gush Arthur Sydney | Electrolytic anticorrosion system |
| GB1347469A (en) * | 1970-12-14 | 1974-02-27 | Corrosion Welding Eng Ltd | Anodes for cathodic protection |
| CN2124199U (en) * | 1991-10-25 | 1992-12-09 | 郭于光 | Device for preventing fouling of marine organisms |
| DE9400717U1 (en) * | 1994-01-13 | 1994-07-14 | Hössle, geb. Hoeder, Sibylle, 12107 Berlin | Sacrificial anode connected with a holding means |
| KR20090047275A (en) * | 2007-11-07 | 2009-05-12 | 한국전기연구원 | Electrical system of pipes or metal storage tanks and its corrosion layer removal method |
| CN202090009U (en) * | 2011-05-05 | 2011-12-28 | 武汉钢铁(集团)公司 | Thermocouple for hot blast stove |
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-
2018
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| GB1347469A (en) * | 1970-12-14 | 1974-02-27 | Corrosion Welding Eng Ltd | Anodes for cathodic protection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388838A (en) * | 2021-05-23 | 2021-09-14 | 上海赟申船舶工程有限公司 | Suspension type auxiliary anode |
| CN115786920A (en) * | 2022-11-28 | 2023-03-14 | 深海技术科学太湖实验室 | Auxiliary anode device for ocean platform cathode protection and installation method thereof |
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