CN103806006A - Remote site suspension impressed current auxiliary anode device and usage thereof - Google Patents
Remote site suspension impressed current auxiliary anode device and usage thereof Download PDFInfo
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- CN103806006A CN103806006A CN201410052974.4A CN201410052974A CN103806006A CN 103806006 A CN103806006 A CN 103806006A CN 201410052974 A CN201410052974 A CN 201410052974A CN 103806006 A CN103806006 A CN 103806006A
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Abstract
The invention provides a remote site suspension impressed current auxiliary anode. The remote site suspension impressed current auxiliary anode comprises a base (1) and an anti-pull support (3) which are mutually fixed, a plurality of sacrificial anodes (2), a plurality of suspension supports (4) and a plurality of auxiliary anodes (15), wherein the trussed anti-pull support (3) is fixed outside the base (1), the sacrificial anodes (2) are fixed on the inner walls of vertical tubes of the trussed anti-pull support (3), a threading pipe (8) is arranged inside the base (1) and takes on a cross shape, a sealing terminal box (7) is arranged at the cross point, suspension supports (4) are fixed above the base (1) through fixed ropes (11), and each suspension support (4) is internally provided with the auxiliary anode (15). The remote site suspension impressed current auxiliary anode has a simple structure, is convenient to install, has long service life and large mechanical strength, is corrosion resistant and scouring resistant, prevents burying and pulling, and is applicable to various ocean structures.
Description
Technical field
The invention belongs to Yu Haiyang antiseptic project technical field, be particularly applicable to the far floated impressed current auxiliary anode device of one and the using method thereof of oceanographic engineering steel structure impressed current cathodic protection.
Background technology
The marine metal works such as ocean platform, subsea pipeline, harbor work's harbour, tidal power station need to take cathode protection measure to prevent corrosion failure in severe marine corrosion environment.Galvanic protection is divided into impressed current method and sacrificial anode protection.Impressed current cathodic protection method, because it is installed fast, installation costs is low, generation electric current is large, long service life, is applied in the corrosion control of marine metal works more and more widely without advantages such as potential marine ecology pollution hidden troubles.
Far formula impressed current cathodic protection method is a kind of conventional cathode protecting process; its principle is supplementary anode is embedded in to seabed or is placed on the support pier in seabed; the distance of anode and protected steel construction is different with the size of protected object, generally between several meters to 300 meters.Conventional ground far away formula supplementary anode generally adopts fixed bracket structure, affects generation electric current but the supplementary anode of this structure is easily buried by silt in the time using containing the large seabed of quantity of sand and mud; And fixed supplementary anode is subject to current scour effect stronger under water, easily cause top coat to come off and lost efficacy; Fixed supplementary anode is also easily pulled and is damaged by things such as fishing nets in addition.
In view of the defect of above-mentioned prior art, in the urgent need to there is a kind of simple in structure, easy for installation, resistance to erosion, anti-ly bury, anti-pulling, be applicable to the far floated impressed current supplementary anode of one and the using method thereof of various marine structures.
Summary of the invention
The object of the present invention is to provide the far floated impressed current supplementary anode of one and using method thereof, it is simple in structure, easy for installation, resistance to erosion, anti-bury, anti-pulling, be applicable to various marine structures.
The object of the invention is to be achieved through the following technical solutions:
The far floated impressed current auxiliary anode device of one, comprises base fastened to each other 1 and anti-support 3, multiple sacrificial anode 2, multiple suspension 4 and the multiple supplementary anode 15 of pulling,
The external stability of described base 1 has the anti-support 3 of pulling of truss type, and the inwall of anti-each standpipe of pulling support 3 is fixed respectively a sacrificial anode 2;
The inside of described base 1 is provided with penetration pipe 8, and penetration pipe 8 is cross-shaped in base 1 inside, and position, point of crossing is provided with sealed terminal box 7, and penetration pipe 8 tops are provided with mounting flange 9, in the middle of described mounting flange 9, stationary rope 11 is installed;
Described base 1 top is fixed with suspension 4 through stationary rope 11, and each suspension 4 inside are provided with tubulose supplementary anode 15.
It is described that anti-to pull support 3 be four layers of tower structure, every layer is square, from top to bottom increase successively, corresponding four summits that four layers of square frame is in a straight line are welded and fixed from top to bottom by a standpipe, and the inwall of the standpipe between the second layer and the 3rd layer is fixed with sacrificial anode 2.
Described base 1 is cube structure, is built and is formed by corrosion resistant concrete 6, and outside surface is coated with protective system, and inside is provided with galvanizing steel 5 as skeleton.
Described anti-square frame of pulling support 3 the superiors is connected with two cant beams along diagonal lines; The ladder-shaped frame summit that the upper and lower corresponding square frame limit of the first layer and the second layer and standpipe surround is by two cant beam cross connections; The second layer is connected in an identical manner with the 4th layer; The 3rd layer is connected with concrete bed 1 by eight seamless tubes.
Described suspension 4 is followed successively by from top to bottom: upper tin hat 18, column 13 and lower tin hat 12; Column 13 surroundings are surrounded with four U-shaped grooves 14, in each U-shaped groove 14, be provided with the supplementary anode 15 of a tubulose, supplementary anode 15 bottoms are provided with supports cap 21, and top is provided with mounting flange 20, and supplementary anode 15 is adopted and is bolted on column 13 by mounting flange 20 and support cap 21.
In the middle of described upper tin hat 18, have filling orifice 19, in the middle of lower tin hat 12, have lacing hole 22.
Described supplementary anode 15 is connected with anode cable 23, and anode cable 23 is electrically connected in the sealed terminal box 7 of base 1 along penetration pipe 8 by the space, middle part of the support cap 21 under U-shaped groove 14.
Described column 13 middle parts are provided with wire rope handling pipe 16, and shaft collar 17 is arranged at wire rope handling pipe 16 tops, and stationary rope 11 extends, passes wire rope handling pipe 16, and install fixing by the shaft collar 17 at wire rope handling pipe 16 tops.
Described suspension 4 is polyethylene foamed material, and described anticreep hanging bracket 3 is carbon steel material, and described stationary rope 11 is Kafra fiber material.
The using method of far floated impressed current auxiliary anode device, comprises the steps:
A) upper end of stationary rope 11 is fixed on the shaft collar 17 at column 13 tops through column 13;
C) anode cable 23 of supplementary anode 15 penetrates in the through wires hole 10 at penetration pipe 8 tops by the space, middle part of U-shaped groove 14 supported underneath caps 21, and is electrically connected in the sealed terminal box 7 of base 1 along penetration pipe 8;
D) upper and lower tin hat 18,12 is arranged on column 13 by screw thread;
E) supplementary anode 15 installs and completes after electrical connection by the filling orifice 19 of upper tin hat 18 and the lacing hole of lower tin hat 12 22 injection ring epoxy resins, in order to seal protection cable and anode, and strengthens the physical strength of suspension;
F) by through wires hole 10 injection ring epoxy resins, in order to hermetically sealed cable and terminal box 7.
Anode cable 23 leaves certain surplus supporting between cap 21 and through wires hole 10, and while preventing that stationary rope 11 from straining, cable 23 is subject to excessive pulling force and ruptures.
Compared with prior art, the present invention has the following advantages:
The present invention is simple in structure, easy for installation, long service life, physical strength is large, corrosion-resistant, resistance to erosion, anti-bury, anti-pulling, be applicable to various marine structures.Be applicable to the galvanic protection of floated impressed current supplementary anode far awayly of multiple waters marine structure; coordinating impressed current system to use can not increase under the prerequisite of marine structure load; for marine structure provides effective protection, prevent the corrosion of seawater to marine structure.This far anode be floated structure, can well reduce the reactive force of current scour, and can prevent silt to bury, be applicable to the ocean environment of different in flow rate and sediment concentration; The suspension that polyethylene foamed is made can use under the larger pressure in deep-sea.Subsidiary anticreep hanging bracket can be protected supplementary anode to avoid fishing net etc. and pull damage.The sacrificial anode welding on anticreep hanging bracket can effectively prevent the corrosion of anode base and anticreep hanging bracket.
Accompanying drawing explanation
Fig. 1 is the axis side view that waits of the far floated impressed current supplementary anode of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the front view of Fig. 1.
Fig. 4 is along the cornerwise sectional view of Fig. 2.
Fig. 5 is the detailed cross sectional view of base and suspension in Fig. 4.
Reference numeral
1 base 13 columns
The U-shaped groove of 2 sacrificial anode 14
3 anti-support 15 supplementary anodes of pulling
4 suspension 16 wire rope handling pipes
5 galvanizing steel 17 shaft collars
Tin hat on 6 concrete 18
7 sealed terminal box 19 filling orifices
8 penetration pipe 20 mounting flanges
9 mounting flanges 21 support cap
10 through wires hole 22 lacing holes
11 stationary rope 23 anode cables
12 times tin hats
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
As Figure 1-Figure 5, Fig. 1 is the axis side view that waits of the far floated impressed current supplementary anode of the present invention; Fig. 2 is the vertical view of Fig. 1; Fig. 3 is the front view of Fig. 1; Fig. 4 is along the cornerwise sectional view of Fig. 2; Fig. 5 is the detailed cross sectional view of base and suspension in Fig. 4.
Far floated impressed current supplementary anode of the present invention mainly comprises base 1, sacrificial anode 2, anti-support 3, multiple suspension 4 and the multiple supplementary anode 15 of pulling.
Wherein, base 1 is cube structure, is built and is formed by corrosion resistant concrete 6, and outside surface is coated with protective system, and inside is provided with galvanizing steel 5 as skeleton.
As Figure 1-Figure 2, the outer setting of base 1 has the anti-support 3 of pulling of four layers of tower structure, is welded by many seamless tubes, and every layer is square, from top to bottom increases successively.Corresponding four summits that four layers of square frame is in a straight line are from top to bottom welded and fixed by a standpipe.The square frame of the superiors is connected with two cant beams along diagonal lines; The ladder-shaped frame summit that the upper and lower corresponding square frame limit of the first layer and the second layer and standpipe surround is by two cant beam cross connections; The second layer is connected in an identical manner with the 4th layer; The 3rd layer is connected with concrete bed 1 by eight seamless tubes.Wherein, the inwall of the standpipe between the second layer and the 3rd layer is fixed with sacrificial anode 2.The anti-support 3 of pulling can prevent that the things such as fishing net from pulling anode and causing damage, anti-ly in addition pulls structure and can also increase the stability of base 1.Anti-pulling on support 3 is welded with sacrificial anode 2, can prevent that anticreep hanging bracket 3 and base 1 from corroding.
As shown in Figure 5, the inside of base 1 is provided with penetration pipe 8, and penetration pipe 8 is cross-shaped in base 1 inside, and position, point of crossing is provided with sealed terminal box 7, and penetration pipe 8 tops are provided with mounting flange 9.Mounting flange 9 surroundings are furnished with through wires hole 10, and stationary rope 11 is installed in the middle of mounting flange 9.
On base 1, be provided with four suspensions 4, adopt stationary rope 11 to be fixed on base 1.Suspension 4 is made up of column 13 and upper and lower tin hat 18,12, and suspension 4 middle parts are column 13, and tin hat 18 is installed in column 13 upper ends; lower tin hat 12 is installed in lower end; wherein, in the middle of upper tin hat 18, be provided with filling orifice 19, in the middle of lower tin hat 12, be provided with lacing hole 22.Column 13 surroundings have four U-shaped grooves 14, in each U-shaped groove 14, be provided with a tubulose supplementary anode 15, supplementary anode 15 bottoms are provided with supports cap 21, and top is provided with mounting flange 20, and supplementary anode 15 is adopted and is bolted on column 13 by mounting flange 20 and support cap 21.On supplementary anode 15, be provided with anode cable 23, anode cable 23 is electrically connected in the sealed terminal box 7 of base 1 along penetration pipe 8 by the space, middle part of U-shaped groove 14 supported underneath caps 21.
The using method of far floated impressed current supplementary anode, comprises the steps:
A) upper end of stationary rope 11 is fixed on the shaft collar 17 at column 13 tops;
C) anode cable 23 of supplementary anode 15 penetrates in the through wires hole 10 at penetration pipe 8 tops by the space, middle part of U-shaped groove 14 supported underneath caps 21, and be electrically connected in the sealed terminal box 7 of base 1 along penetration pipe 8, anode cable 23 will leave certain surplus supporting between cap 21 and through wires hole 10, and while preventing that stationary rope 11 from straining, cable 23 is subject to excessive pulling force and ruptures;
D) upper and lower tin hat 18,12 is arranged on column 13 by screw thread;
E) supplementary anode 15 installs and completes after electrical connection by the filling orifice 19 of upper tin hat 18 and the lacing hole of lower tin hat 12 22 injection ring epoxy resins, in order to seal protection anode cable 23 and supplementary anode 15, and strengthens the physical strength of suspension 4;
F) by through wires hole 10 injection ring epoxy resins, in order to hermetically sealed cable and terminal box 7.
The present invention is simple in structure, easy for installation, long service life, physical strength is large, corrosion-resistant, resistance to erosion, anti-bury, anti-pulling, be applicable to various marine structures.Be applicable to the galvanic protection of floated impressed current supplementary anode far awayly of multiple waters marine structure; coordinating impressed current system to use can not increase under the prerequisite of marine structure load; for marine structure provides effective protection, prevent the corrosion of seawater to marine structure.This far anode be floated structure, can well reduce the reactive force of current scour, and can prevent silt to bury, be applicable to the ocean environment of different in flow rate and sediment concentration; The suspension 4 that polyethylene foamed is made can use under the larger pressure in deep-sea.Subsidiary anticreep hanging bracket 3 can be protected supplementary anode 15 to avoid fishing net etc. and pull damage.On anticreep hanging bracket 3, the sacrificial anode 2 of welding can effectively prevent the corrosion of anode base 1 and anticreep hanging bracket 3.
Claims (11)
1. a floated impressed current auxiliary anode device far, comprises base fastened to each other (1) and anti-ly pulls support (3), multiple sacrificial anode (2), multiple suspension (4) and multiple supplementary anode (15), it is characterized in that,
The external stability of described base (1) has the anti-support (3) of pulling of truss type, and the inwall of anti-each standpipe of pulling support (3) is fixed respectively a sacrificial anode (2);
The inside of described base (1) is provided with penetration pipe (8), penetration pipe (8) is cross-shaped in base (1) inside, position, point of crossing is provided with sealed terminal box (7), penetration pipe (8) top is provided with mounting flange (9), and stationary rope (11) is installed in the middle of described mounting flange (9);
Described base (1) top is fixed with suspension (4) through stationary rope (11), and each suspension (4) inside is provided with tubulose supplementary anode (15).
2. far floated impressed current auxiliary anode device as claimed in claim 1, it is characterized in that, it is described that anti-to pull support (3) be four layers of tower structure, every layer is square, from top to bottom increase successively, corresponding four summits that four layers of square frame is in a straight line are welded and fixed from top to bottom by a standpipe, and the inwall of the standpipe between the second layer and the 3rd layer is fixed with sacrificial anode (2).
3. far floated impressed current auxiliary anode device as claimed in claim 1, it is characterized in that, described base (1) is cube structure, is built and is formed by corrosion resistant concrete (6), outside surface is coated with protective system, and inside is provided with galvanizing steel (5) as skeleton.
4. far floated impressed current auxiliary anode device as claimed in claim 1, is characterized in that, described anti-square frame of pulling support (3) the superiors is connected with two cant beams along diagonal lines; The ladder-shaped frame summit that the upper and lower corresponding square frame limit of the first layer and the second layer and standpipe surround is by two cant beam cross connections; The second layer is connected in an identical manner with the 4th layer; The 3rd layer is connected with concrete bed (1) by eight seamless tubes.
5. far floated impressed current auxiliary anode device as claimed in claim 1, is characterized in that, described suspension (4) is followed successively by from top to bottom: upper tin hat (18), column (13) and lower tin hat (12); Column (13) surrounding is surrounded with four U-shaped grooves (14), in each U-shaped groove (14), be provided with the supplementary anode (15) of a tubulose, supplementary anode (15) bottom is provided with supports cap (21), top is provided with mounting flange (20), and supplementary anode (15) is adopted and is bolted on column (13) by mounting flange (20) and support cap (21).
6. floated impressed current auxiliary anode device far as claimed in claim 5, is characterized in that, has filling orifice (19) in the middle of described upper tin hat (18), has lacing hole (22) in the middle of lower tin hat (12).
7. the far floated impressed current auxiliary anode device as described in claim 1 or 4, it is characterized in that, described supplementary anode (15) is connected with anode cable (23), and anode cable (23) is electrically connected in the sealed terminal box (7) of base (1) along penetration pipe (8) by the space, middle part of the support cap (21) under U-shaped groove (14).
8. far floated impressed current auxiliary anode device as claimed in claim 4, it is characterized in that, described column (13) middle part is provided with wire rope handling pipe (16), shaft collar (17) is arranged at wire rope handling pipe (16) top, stationary rope (11) extends, passes wire rope handling pipe (16), and installs fixing by the shaft collar (17) at wire rope handling pipe (16) top.
9. the far floated impressed current auxiliary anode device as described in claim 1 or 4, it is characterized in that, described suspension (4) is polyethylene foamed material, and described anticreep hanging bracket (3) is carbon steel material, and described stationary rope (11) is Kafra fiber material.
10. a using method for the far floated impressed current auxiliary anode device as described in one of claim 1-9, is characterized in that, comprises the steps:
A) upper end of stationary rope (11) is fixed on the shaft collar (17) at column (13) top through column (13);
B) column (13) surrounding has four U-shaped grooves (14), and supplementary anode (15) adopts bolt to be arranged in the U-shaped groove (14) of column (13) by mounting flange (20) and support cap (21);
C) anode cable (23) of supplementary anode (15) penetrates in the through wires hole (10) at penetration pipe (8) top by the space, middle part of U-shaped groove (14) supported underneath cap (21), and is electrically connected in the sealed terminal box (7) of base (1) along penetration pipe (8);
D) upper and lower tin hat (18,12) is arranged on column (13) by screw thread;
E) supplementary anode (15) installs and completes lacing hole (22) the injection ring epoxy resins of rear filling orifice (19) and lower tin hat (12) by upper tin hat (18) of electrical connection, in order to seal protection cable and anode, and strengthen the physical strength of suspension;
F) by through wires hole (10) injection ring epoxy resins, in order to hermetically sealed cable and terminal box (7).
The using method of 11. far floated impressed current auxiliary anode devices as claimed in claim 10, it is characterized in that, anode cable (23) leaves certain surplus between support cap (21) and through wires hole (10), and while preventing stationary rope (11) tension, cable (23) is subject to excessive pulling force and ruptures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410052974.4A CN103806006A (en) | 2014-02-17 | 2014-02-17 | Remote site suspension impressed current auxiliary anode device and usage thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410052974.4A CN103806006A (en) | 2014-02-17 | 2014-02-17 | Remote site suspension impressed current auxiliary anode device and usage thereof |
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| CN103806006A true CN103806006A (en) | 2014-05-21 |
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| CN201410052974.4A Pending CN103806006A (en) | 2014-02-17 | 2014-02-17 | Remote site suspension impressed current auxiliary anode device and usage thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048723A (en) * | 2020-07-31 | 2020-12-08 | 浙江钰烯腐蚀控制股份有限公司 | Cathode protection device for deep sea |
| CN112064036A (en) * | 2020-08-28 | 2020-12-11 | 中山大学 | Remote auxiliary anode automatic recovery device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0240757B1 (en) * | 1986-03-10 | 1990-01-17 | Oronzio De Nora S.A. | Impressed current cathodic protection of off-shore platforms utilizing the tensioned anode ropes system |
| CN103060819A (en) * | 2012-12-24 | 2013-04-24 | 青岛钢研纳克检测防护技术有限公司 | Installing device of remote site type auxiliary anode |
-
2014
- 2014-02-17 CN CN201410052974.4A patent/CN103806006A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0240757B1 (en) * | 1986-03-10 | 1990-01-17 | Oronzio De Nora S.A. | Impressed current cathodic protection of off-shore platforms utilizing the tensioned anode ropes system |
| CN103060819A (en) * | 2012-12-24 | 2013-04-24 | 青岛钢研纳克检测防护技术有限公司 | Installing device of remote site type auxiliary anode |
Non-Patent Citations (1)
| Title |
|---|
| DAVID K.FLANERY: "Cathodic protection retrofit of a spar platform", 《CORROSION 2011》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048723A (en) * | 2020-07-31 | 2020-12-08 | 浙江钰烯腐蚀控制股份有限公司 | Cathode protection device for deep sea |
| CN112064036A (en) * | 2020-08-28 | 2020-12-11 | 中山大学 | Remote auxiliary anode automatic recovery device |
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Application publication date: 20140521 |