CN109338376A - A kind of fixed device of novel impressed current anode - Google Patents

A kind of fixed device of novel impressed current anode Download PDF

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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
Application number
CN201811383251.7A
Other languages
Chinese (zh)
Inventor
文杰
张维
陈廷伟
王霞
王舜基
边春华
胡明磊
张志林
杨琪震
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNNC Nuclear Power Operation Management Co Ltd
Third Qinshan Nuclear Power Co Ltd
Original Assignee
CNNC Nuclear Power Operation Management Co Ltd
Third Qinshan Nuclear Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CNNC Nuclear Power Operation Management Co Ltd, Third Qinshan Nuclear Power Co Ltd filed Critical CNNC Nuclear Power Operation Management Co Ltd
Priority to CN201811383251.7A priority Critical patent/CN109338376A/en
Publication of CN109338376A publication Critical patent/CN109338376A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-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
    • C23F13/00Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/18Means for supporting electrodes
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-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
    • C23F13/00Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06Constructional parts, or assemblies of cathodic-protection apparatus

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  • 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

A kind of fixed device of novel impressed current anode
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.
CN201811383251.7A 2018-11-20 2018-11-20 A kind of fixed device of novel impressed current anode Pending CN109338376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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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)

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CN109338376A true CN109338376A (en) 2019-02-15

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Cited By (1)

* Cited by examiner, † Cited by third party
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

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 due to marine organism
DE9400717U1 (en) * 1994-01-13 1994-07-14 Hoessle Sibylle Sacrificial anode connected with a holding means
KR20090047275A (en) * 2007-11-07 2009-05-12 한국전기연구원 Electric corosion protection device of the pipe or the metallic storage tank and corrosion removing method thereof
CN202090009U (en) * 2011-05-05 2011-12-28 武汉钢铁(集团)公司 Thermocouple for hot blast stove
CN202363860U (en) * 2011-12-14 2012-08-01 上海日承实业有限公司 Cable connector
KR20130058356A (en) * 2011-11-25 2013-06-04 주식회사 하이트롤 Cone type differential pressure flow measuring apparatus
CN104328440A (en) * 2014-11-10 2015-02-04 天津亿利科能源科技发展股份有限公司 Impressed current cathodic protection device for inner walls of container and pipeline
CN206450629U (en) * 2016-10-28 2017-08-29 福建澳泰自动化设备有限公司 A kind of anti-corrosion-resistant PH electrodes of stirring of plug-in type
CN209397271U (en) * 2018-11-20 2019-09-17 中核核电运行管理有限公司 A kind of fixed device of novel impressed current anode

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 due to marine organism
DE9400717U1 (en) * 1994-01-13 1994-07-14 Hoessle Sibylle Sacrificial anode connected with a holding means
KR20090047275A (en) * 2007-11-07 2009-05-12 한국전기연구원 Electric corosion protection device of the pipe or the metallic storage tank and corrosion removing method thereof
CN202090009U (en) * 2011-05-05 2011-12-28 武汉钢铁(集团)公司 Thermocouple for hot blast stove
KR20130058356A (en) * 2011-11-25 2013-06-04 주식회사 하이트롤 Cone type differential pressure flow measuring apparatus
CN202363860U (en) * 2011-12-14 2012-08-01 上海日承实业有限公司 Cable connector
CN104328440A (en) * 2014-11-10 2015-02-04 天津亿利科能源科技发展股份有限公司 Impressed current cathodic protection device for inner walls of container and pipeline
CN206450629U (en) * 2016-10-28 2017-08-29 福建澳泰自动化设备有限公司 A kind of anti-corrosion-resistant PH electrodes of stirring of plug-in type
CN209397271U (en) * 2018-11-20 2019-09-17 中核核电运行管理有限公司 A kind of fixed device of novel impressed current anode

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Cited By (1)

* Cited by examiner, † Cited by third party
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

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