CN206467293U - A kind of anti-corrosion sacrificial anode for armored concrete - Google Patents

A kind of anti-corrosion sacrificial anode for armored concrete Download PDF

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CN206467293U
CN206467293U CN201621424727.3U CN201621424727U CN206467293U CN 206467293 U CN206467293 U CN 206467293U CN 201621424727 U CN201621424727 U CN 201621424727U CN 206467293 U CN206467293 U CN 206467293U
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sacrificial anode
kernel
corrosion
length
anode
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丁新勇
张智玲
张稳稳
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SHANGHAI FAHE BRIDGE AND TUNNEL MAINTENANCE ENGINEERING TECHNOLOGY Co Ltd
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SHANGHAI FAHE BRIDGE AND TUNNEL MAINTENANCE ENGINEERING TECHNOLOGY Co Ltd
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Abstract

The utility model is related to a kind of anti-corrosion sacrificial anode for armored concrete, including sacrificial anode kernel, is fed through the plain conductor of sacrificial anode kernel, is coated on the bag pulp layer outside sacrificial anode kernel, and sacrificial anode kernel is kirsite block.Compared with prior art, the utility model have the advantages that service life length, have a wide range of application, application performance it is stable.

Description

A kind of anti-corrosion sacrificial anode for armored concrete
Technical field
The utility model belongs to antiseptic concrete field, and sun is sacrificed more particularly, to a kind of anti-corrosion for armored concrete Pole.
Background technology
Steel bar corrosion is the one of the main reasons that disease occurs for armored concrete, and the corrosion of concrete reinforcement is electrochemistry mistake Journey, because concrete is loose structure, the bar list that water, oxygen, the carbon dioxide of air etc. is entered in concrete by hole Electrochemical reaction and corrosion occur for face, reinforcing bar.Especially, after having chlorion to immerse concrete in environment, reinforcing bar is accelerated Corrosion.Bulk product expands 4-8 times after steel bar corrosion, and concrete structure bears excessive tension and cracked, and crackle is formed Afterwards, the corrosion of reinforcing bar accelerates, and causes concrete to deteriorate, produce crack, come off, the disease such as chip off-falling.
Sacrificial anode protection belongs to cathodic protection category, and anode loss protection principle is to utilize a kind of more active metal and quilt The metal of protection is connected to form electrical communication, and electrochemical reaction occurs for two kinds of metals in the electrolyte, and active metal loses Electronics, and protected metal to electronics is protected.Sacrificial anode protection is widely used in pipe as the anti-corrosion of metal by people The fields such as road, storage tank, ocean structure, and it is less applied to the anti-corrosion research of reinforced concrete structure.
Chinese patent CN201292406 is disclosed including sacrificial zinc alloy anode, the cylindrical male of sacrificial zinc alloy anode Polar body is cast in cylindrical anode bag, and the symmetrical steel core of sacrificial zinc alloy anode is outside anode bag.But, The risk that sodium sulphate has corrosion reinforcing bar is added in the patent.
Utility model content
The purpose of this utility model is exactly the defect in order to overcome above-mentioned prior art presence and provides a kind of service life The anti-corrosion sacrificial anode for armored concrete that is long, having a wide range of application.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of anti-corrosion sacrificial anode for armored concrete, including:
Sacrificial anode kernel,
The plain conductor of sacrificial anode kernel is fed through,
It is coated on the bag pulp layer outside sacrificial anode kernel.
Described sacrificial anode kernel is kirsite block, the raw material containing following components and percentage by weight:Al0.30~ 0.55th, Cd 0.07~0.09, impurity element are Fe, Cu, Pb≤0.02;Remaining is Zn.
Described sacrificial anode kernel is cylindrical-shaped structure, and radius is 4-8mm, is highly 60-100mm, weight is 50- 200g, the two ends of plain conductor from sacrificial anode kernel are passed, and the length for the part exposed is 100-300mm.
Described sacrificial anode kernel is rectangular parallelepiped structure, and the pick of 5-20 small rectangular-shapes is also distributed with both sides, The length of cuboid is 60-100mm, and width is 20-35mm, is highly 6-15mm, and the length of pick is 4-10mm, and width is 2- 5mm, is highly 6-15mm, and the distance between adjacent pick is 2-5mm, and the weight of sacrificial anode kernel is 100-300g, metal The two ends of wire from sacrificial anode kernel are passed, and the length for the part exposed is 100-300mm.
Described sacrificial anode kernel is the thin column of the individual radially even arrangements of 5-30 and is connected to each thin cylinder Transition small cylinder structure between body, the radius of described thin column is 10-30mm, and thickness is 2-5mm, adjacent thin column The distance between be 2-5mm, the weight of sacrificial anode kernel is 50-200g, and the two ends of plain conductor from sacrificial anode kernel are worn Go out, the length for the part exposed is 100-300mm.
Described sacrificial anode kernel is the structure that 3-8 blade is distributed on plain conductor outer surface, and the length of blade is 5-15mm, width is 2-8mm, and the weight of sacrificial anode kernel is 80-200g, and one end of plain conductor from sacrificial anode kernel is worn Go out, the length for the part exposed is 30-80mm.
Described plain conductor is double joint non-coating steel silk that is single or being parallel to each other, a diameter of 1-3mm.
The end structure annular in shape of described plain conductor.
The thickness of the bag pulp layer of described sacrificial anode kernel periphery parcel is not less than 8mm.
Described bag pulp layer is mixed with and obtained using following components and raw material:Quartz sand 150-220, silicate Cement 80-120, water reducer 2-5, bentonite 15-25, also added with active additive, addition is the 0.1- of cumulative volume 0.2%,
The particle diameter of described quartz sand is 1-2mm,
Described portland cement is 42.5# portland cements,
Described water reducer is wooden calcium sulfonate,
Described bentonite sodium base bentonite,
Described active additive is a kind of strong base substance, to reinforcing bar non-corrosiveness itself, including but not limited to NaOH, KOH、Ca(OH)2, LiOH or Ba (OH)2
Active additive is to reinforcing bar non-corrosiveness itself.Sacrificial anode outsourcing mortar keeps the thing of zinc nuclear activity because adding Matter makes mortar be more than 14 in high alkalinity PH, and the loose active material that will not prevent mortar of corrosion product on zinc core surface is diffused into zinc Core surface, so that zinc core is chronically at activated state, it is ensured that the performance of sacrificial anode is stable.
Compared with prior art, the utility model has advantages below:
(1) outer surface parcel suitable thickness (being more than 8mm), the mortar of some strength of sacrificial anode kernel, it is ensured that sacrifice Anode parcel mortar is not allowed easily rupturable;
(2) mortar also has the product after enough porosity absorption anodic attack expansions, by adding suitable water reducer The ratio of mud 0.4~0.6 of amount regulation mortar;
(3) mortar, which with the addition of, keeps the material of zinc nuclear activity for strong base substance, and sacrificial anode outsourcing mortar is because adding guarantor Holding the material of zinc nuclear activity makes mortar be more than 14 in high alkalinity PH, and the corrosion product on zinc core surface is loose will not to prevent the work of mortar Property material be diffused into zinc core surface so that zinc core is chronically at activated state, it is ensured that the performance of sacrificial anode is stable;
(4) mortar without sulfate or chloride, bromide and other cause the composition of steel bar corrosion, using alkaline activity Mode activate kirsite.This can be avoided because the composition of steel bar corrosion can be caused to be diffused into concrete reinforcement surface in mortar, And reinforcing bar is in corrosive environment, accelerate the corrosion of sacrificial anode, shorten the life-span of sacrificial anode, while sacrificial anode loses work With rear, reinforcing bar will not be because quickly occurring corrosion in corrosive environment;
(5) without external power source or system detectio;
(6) service life length (being more than 10 years), following maintenance requirements are reduced;
(7) it can be used for the preventive maintenance or control corrosion rate of newly-built, built concrete reinforcement;
(8) wire and sacrificial anode kernel are integrally cast, it is ensured that the long-term connection of sacrificial anode kernel and wire, are improved The utilization rate of sacrificial anode kernel;
(9) convenience quick for installation, and by devising several sacrificial anodes of different shapes, can be a variety of Occasion is used, and has widened the application of sacrificial anode
Brief description of the drawings
Fig. 1 is the structural representation of sacrificial anode kernel in embodiment 1;
Fig. 2 is structural representation of the present utility model in embodiment 1;
Fig. 3 is the structural representation of sacrificial anode kernel in embodiment 2;
Fig. 4 is the structural representation of sacrificial anode kernel in embodiment 2;
Fig. 5 is structural representation of the present utility model in embodiment 2;
Fig. 6 is the structural representation of sacrificial anode kernel in embodiment 3;
Fig. 7 is the structural representation of sacrificial anode kernel in embodiment 3;
Fig. 8 is structural representation of the present utility model in embodiment 3;
Fig. 9 is the structural representation of sacrificial anode kernel in embodiment 4;
Figure 10 is structural representation of the present utility model in embodiment 4.
In figure, 1- sacrificial anodes kernel, 2- plain conductors, 3- bag pulp layer.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of anti-corrosion sacrificial anode for armored concrete, it is relatively thin and can installing space for repaired steel bar concrete layer Small preventative anti-corrosion, the structure of sacrificial anode kernel 1 is as shown in figure 1, the overall structure of sacrificial anode is as shown in Figure 2.Sacrifice Anode kernel 1 uses Zn alloys, the component containing following weight percent content:Al 0.30~0.55, Cd 0.07~ 0.09th, impurity element is Fe, Cu, Pb≤0.02;Remaining is Zn.The weight of zinc core is in 50~200g.
Sacrificial anode kernel 1 is the cylindrical structural of strip, geometric parameter in the present embodiment:The radius of zinc core be 4~ 8mm;Highly it is 60~100mm.Plain conductor 2 can be that single or double joint is parallel unremitting through kirsite center, two ends The length of exposed portion is 100~300mm, plain conductor diameter:1~3mm, the present embodiment uses single non-coating steel Silk.Instrument metal binding wire is circlewise easy in the processing of steel wire two ends, and sacrificial anode is fixed on reinforcing bar.Sacrificial anode kernel 1 The thickness of bag pulp layer 3 need to ensure to be more than 8mm.
The making step of this kind of sacrificial anode is as follows:
Step 1: the zinc liquid of melting is cast in the other end of uncoated bright wire, the demoulding is taken out into The long strip type kirsite block of type.50~200g of zinc nuclear weight.
Step 2: according to the form below proportioning prepares the parcel mortar of sacrificial anode, the mortar thickness of parcel zinc core is more than 8mm.
Step 3: one end of kirsite block is fixed in a mold, sacrificial anode parcel mortar is injected into mould, is stood It is stripped after 48~72h, obtains built-in sacrificial anode.
This kind of sacrificial anode prepared is mated formation for reinforced concrete bridge deck, newly-built or reconstruction.To the position to be repaired and Preventative preservative treatment thin layer repairing concrete reinforcement protection and narrow and small bar spacing are carried out around seam crossing.
Embodiment 2
A kind of anti-corrosion sacrificial anode for armored concrete, will for the preventative anti-corrosion of concrete reinforcement or control The corrosion of repair part and seam crossing, basis is roughly the same with embodiment 1.The structure of sacrificial anode kernel 1 such as Fig. 3-4 institutes Show, the overall structure of sacrificial anode is as shown in Figure 5.
The present embodiment uses flat many flute profile zinc cores, geometric parameter:60~100mm of length, the width of big cuboid 20~35mm, 6~15mm of height;The several small cuboid picks being distributed in big cuboid height both sides, 4~10mm of length, width Spend 2~5mm, 6~15mm of height.Plain conductor 2 is that single or double joint is parallel unremitting through kirsite center, and two ends are exposed Partial length is 100~300mm, plain conductor 1~3mm of diameter, use in the present embodiment the double joint that is parallel to each other without Coating wire.Instrument metal binding wire is circlewise easy in the processing of steel wire two ends, and sacrificial anode is fixed on reinforcing bar.Big cuboid is high The degree direction both sides unilateral quantity of the small cuboid pick that is symmetrically and evenly distributed is:5~20.Small cuboid pick spacing 2~ 5mm。
Plain conductor is unremitting through kirsite center by two plain conductors being placed in parallel 2, the gold being placed in parallel Category conductor spacing is 1~5mm.100~300g of zinc nuclear weight.
The making step of this kind of sacrificial anode is as follows:
Step 1: the zinc liquid of melting is cast in the other end of uncoated bright wire, the demoulding is taken out into Flat many flute profile kirsite blocks of type.100~300g of zinc nuclear weight.
Step 2: according to the form below proportioning prepares the parcel mortar of sacrificial anode, the thickness of zinc core periphery parcel screed 3 is more than 8mm。
Step 3: one end of kirsite block is fixed in a mold, sacrificial anode parcel mortar is injected into mould, is stood It is stripped after 48~72h, obtains built-in sacrificial anode.
Embodiment 3
A kind of anti-corrosion sacrificial anode for armored concrete, for large space, the concrete reinforcement of high density reinforcing bar Anti-corrosion, plays corrosion prevention and the control of concrete reinforcement, by anti-corrosion of the concrete reinforcement of chloride ion contamination etc..Basis It is roughly the same with embodiment 1.As shown in fig. 6-7, the overall structure of sacrificial anode is as shown in Figure 8 for the structure of sacrificial anode kernel 1.
The present embodiment uses cylindric many fan leaf type zinc cores, geometric parameter:The radially even arrangement of thin column Several blades, are transition small cylinder between thin column.5~20mm of radius of big thin column;2~5mm of thickness;It is thin 2~5mm of cylinder spacing;Number of blade N is 5~30;Plain conductor 2 is that single or double joint is parallel unremitting through kirsite Center, the length of two ends exposed portion is 100~300mm, 1~3mm of plain conductor diameter.The processing of steel wire two ends is circlewise easy to Instrument metal binding wire, sacrificial anode is fixed on reinforcing bar.50~200g of zinc nuclear weight.
The making step of this kind of sacrificial anode is as follows:
Step 1: the zinc liquid of melting is cast in the other end of uncoated bright wire, the demoulding is taken out into Cylindric many flabellum lamellar body kirsite blocks of type.50~200g of zinc nuclear weight.
Step 2: according to the form below proportioning prepares the parcel mortar of sacrificial anode, the zinc core periphery parcel thickness of screed 3 is more than 8mm。
Step 3: one end of kirsite block is fixed in a mold, sacrificial anode parcel mortar is injected into mould, is stood It is stripped after 48~72h, obtains built-in sacrificial anode.
Embodiment 4:
A kind of anti-corrosion sacrificial anode for armored concrete, drilling hole implantation type quickly protects sacrificial anode, for built Concrete reinforcement anti-corrosion measure.Concrete is cut without regionality, need to only be hit the person necessarily in concrete surface using boring tool The hole of depth, loads sacrificial anode, is electrically connected with reinforcing bar formation, repairs hole.Basis and embodiment 1 are substantially It is identical.The structure of sacrificial anode kernel 1 is as shown in figure 9, the overall structure of sacrificial anode is as shown in Figure 10.
The present embodiment uses zinc core, geometric parameter inside the quick protection type sacrificial anode of implanted:Cylinder is along footpath To evenly distributed several blades.Radius value 5~15mm of scope of cylinder, number of blade N are 3~8, fan leaf thickness is 2~ 8mm.80~200g of zinc nuclear weight.Plain conductor 2 is that single or double joint is parallel unremitting through kirsite center, and one end is exposed Wire length be 30~80mm, plain conductor diameter:1~3mm.Instrument colligation steel is circlewise easy in the processing of steel wire two ends Silk, sacrificial anode is fixed on reinforcing bar.
The making step of this kind of sacrificial anode is as follows:
Step 1: the zinc liquid of melting is cast in the other end of uncoated bright wire, the demoulding is taken out into The quick protection type kirsite block of implanted of type.80~200g of zinc nuclear weight.
Step 2: according to the form below proportioning prepares the parcel mortar of sacrificial anode, zinc core periphery parcel mortar thickness is more than 8mm.
Step 3: one end of kirsite block is fixed in a mold, sacrificial anode parcel screed 3 is injected into mould, Stand and be stripped after 48~72h, obtain built-in sacrificial anode.
The utility model has obtained sacrificial anode life-span, quality, current relationship by embodiment.For the application of sacrificial anode It is specific as follows there is provided theoretical calculation:
(1) sacrificial anode life-span, quality, current relationship:
The consumption rate of sacrificial anode is calculated:
Sacrificial anode K refers to unit quantity of electricity, the weight of the sacrificial anode material of annual actual consumption.
K=8760/e ч [kg/ (Aa)] (1)
E--- sacrificial anodes theory electrical equivalent (Ah/kg) in formula;
The current efficiency (%) of ч --- sacrificial anode
8760---1 hourage
The magnitude of current that sacrificial anode is sent is calculated:Send magnitude of current IρMean the magnitude of current that sacrificial anode is sent, its value with Use environment is relevant with surface configuration.Calculation formula is as follows:
IgI36=0.727lgA+lgU-1.188 (2)
Iρ=I36*36/ρ (3)
Surface area (the m that A--- sacrificial anodes expose in formula2)
Potential difference (V) between U--- sacrificial anodes and protected object (negative electrode)
ρ --- concrete ratio resistance (Ω cm)
I36--- the magnitude of current (A) that ratio resistance is sent when being 36 Ω cm (the average ratio resistance of seawater).
Iρ--- the magnitude of current (A) that-ratio resistance is sent when being ρ Ω cm
The current potential of sacrificial zinc alloy anode:-1050mv.The current potential of reinforcement in concrete surface passivation is -100mV;Work as table Face activate when be -350~-500mV, sacrificial anode and by the potential difference between protection reinforcing bar be 550~950mV.
ρ:The ratio resistance of concrete, with concrete material in itself and construction, ambient humidity, temperature have relation.Coagulation The ratio resistance of soil or patching material is bigger (in order to reach optimum performance, it is desirable to the patching material or the electricity of concrete mortar used Resistance rate is less than 15000 Ω cm), built-in sacrificial anode generation current amount I ρ are smaller, and the corrosion rate of sacrificial anode is smaller.Instead It, the ratio resistance of concrete or patching material is smaller, and (concrete under wet environment, resistivity ratio is relatively low, takes now mixed Solidifying soil resistivity is 1000 Ω cm), built-in sacrificial anode generation current amount I ρ are bigger, and the corrosion rate of sacrificial anode is bigger.
For the surface area of sacrificial anode kirsite block:A, volume is V.Sacrificial anode and steel are understood by formula (2) and formula (3) The potential difference of muscle is bigger, the resistivity of concrete or patching material is smaller, and the electric current that sacrificial anode is sent is bigger, corrodes faster. Power taking potential difference higher value 950mV, during concrete less resistive 1000 Ω cm of rate, obtained electric current is larger, and corrosion is very fast.
Of the present utility model 1~4 embodiment respectively takes an example to illustrate.
The cylindrical structural parameter of the strip of embodiment 1 takes the radius of zinc core to be 6mm;Highly it is 80mm.
Surface area A1=3242mm2=3242*10-6m2, volume V1 is 9.05cm3, mass M 1=66g.
The flat many flute profile zinc cores of embodiment 2 take the length 80.5mm, width 42mm, height 11mm of big cuboid;Greatly enhancing Several small cuboid picks of cube height both sides distribution, length 8mm, width 3.5mm, height 11mm.Surface area A2= 11011mm2=11011*10-6m2, volume V2 is 29.1cm3, mass M 2=212.4g.
The cylindric many fan leaf type zinc Nuclear goemetry parameters of embodiment 3 take the radially even several blades of arrangement of thin column, It is transition small cylinder between thin column.The radius 10mm of big thin column;Thickness 3.5mm;Thin column spacing 3mm;Transition roundlet column radius is 3mm;Number of blade N is that 10 calculating obtain surface area A3=8482mm2=8482*10-6m2, Volume V1 is 11.76cm3, mass M 3=85.85g.
The geometric parameter of the multiple-blade cylinder of embodiment 4 takes number of blade N to be 4, surface area A4=7045mm2=7045* 10-6m2, volume V4 is 18.862cm3, mass M 4=137.7g.
The Ω cm of A1~A4 and U=0.95V, ρ=1000 are substituted into formula (2) with being obtained in formula (3) respectively, I361= 0.00095A=0.95mA, I ρ 1 (magnitude of current)=I36* 36/ ρ=0.0342mA.I ρ 1 (current strength)=I ρ 1 (magnitude of current)/ SSurface area=10.5mA/m2.By theoretical electrical equivalent=820 of kirsite, current efficiency ч of the kirsite in high-alkali mortar is more than 90%, take minimum current efficiency to obtain maximum sacrificial anode wear rate K=11.84kg/ (Aa) by formula (1), electric current is strong Degree, which is multiplied by sacrificial anode surface area and obtains electric current I, K*I that sacrificial anode sends, draws the weight of annual sacrificial anode consumption. GConsume max=K*I=11.84*0.0342g=0.405 (g), calculates and learns that the weight of annual sacrificial anode consumption is less than sacrifice sun The 0.62% of pole weight., it is slightly reduced with the use surface area of sacrificial anode, the magnitude of current that sacrificial anode is produced is slightly lower initial Value, depletion rate has slowed down.Take the upper limit G of year consumption rateConsume max0.405g, the weight mass M 1=66g of sacrificial anode.Production Expendable weight after product are used 20 years is less than 8.1g, less than the 13% of spelter weight, it is ensured that product can use 20+.
I362 (magnitude of current)=0.0023A=2.3mA;I ρ 2 (magnitude of current)=I36(the electric currents of * 36/ ρ=0.0828mA, I ρ 2 Intensity)=I ρ 2 (magnitude of current)/SSurface area=7.519mA/m2.By GConsume max=K*I=11.84*0.0828g=0.98 (g), is calculated Learn that the weight of annual sacrificial anode consumption is less than the 0.47% of sacrificial anode weight.Ibid it is less than using 20 years post consumption weight 19.6g, less than the 10% of spelter weight, it is ensured that product can use 20+.
I363 (magnitude of current)=0.00192A=1.92mA;I ρ 3 (magnitude of current)=I36(the electricity of * 36/ ρ=0.0691mA, I ρ 3 Intensity of flow)=I ρ 3 (magnitude of current)/SSurface area=8.15mA/m2.By GConsume max=K*I=11.84*0.0691g=0.818 (g), meter Calculate and learn that the weight of annual sacrificial anode consumption is less than the 0.95% of sacrificial anode weight.It is less than using 10 years post consumption weight 8.18g, less than the 10% of spelter weight, it is ensured that the product can use 10+.
I364 (magnitude of current)=0.00168A=1.68mA;I ρ 4 (magnitude of current)=I36(the electricity of * 36/ ρ=0.0605mA, I ρ 4 Intensity of flow)=I ρ 4 (magnitude of current)/SSurface area=8.58mA/m2.By GConsume max=K*I=11.84*0.0605g=0.716 (g), meter Calculate and learn that the weight of annual sacrificial anode consumption is less than the 0.6% of sacrificial anode weight.It is less than using 20 years post consumption weight The 10% of 14.32g, about spelter weight, it is ensured that the product can use 20+.

Claims (4)

1. a kind of anti-corrosion sacrificial anode for armored concrete, it is characterised in that including:
Sacrificial anode kernel,
The plain conductor of sacrificial anode kernel is fed through,
It is coated on the bag pulp layer outside sacrificial anode kernel;
Described sacrificial anode kernel is kirsite block,
Or, described sacrificial anode kernel is cylindrical-shaped structure, and radius is 4-8mm, is highly 60-100mm, weight is 50- 200g, the two ends of plain conductor from sacrificial anode kernel are passed, and the length for the part exposed is 100-300mm,
Or, described sacrificial anode kernel is rectangular parallelepiped structure, and the pick of 5-20 small rectangular-shapes is also distributed with both sides, The length of cuboid is 60-100mm, and width is 20-35mm, is highly 6-15mm, and the length of pick is 4-10mm, and width is 2- 5mm, is highly 6-15mm, and the distance between adjacent pick is 2-5mm, and the weight of sacrificial anode kernel is 100-300g, metal The two ends of wire from sacrificial anode kernel are passed, and the length for the part exposed is 100-300mm,
Or, described sacrificial anode kernel ' cylinder and is connected to each thin circle for the thin circle of 5-30 radially even arrangements Transition small cylinder structure between cylinder, the radius of described thin column is 10-30mm, and thickness is 2-5mm, adjacent thin cylinder The distance between body is 2-5mm, and the weight of sacrificial anode kernel is 50-200g, and plain conductor is from the two ends of sacrificial anode kernel Pass, the length for the part exposed is 100-300mm,
Or, described sacrificial anode kernel is distributed on the structure of plain conductor outer surface for 3-8 blade, and the length of blade is 5-15mm, width is 2-8mm, and the weight of sacrificial anode kernel is 80-200g, and one end of plain conductor from sacrificial anode kernel is worn Go out, the length for the part exposed is 30-80mm.
2. a kind of anti-corrosion sacrificial anode for armored concrete according to claim 1, it is characterised in that described gold Category wire is double joint non-coating steel silk that is single or being parallel to each other, a diameter of 1-3mm.
3. a kind of anti-corrosion sacrificial anode for armored concrete according to claim 2, it is characterised in that described gold Belong to the end structure annular in shape of wire.
4. a kind of anti-corrosion sacrificial anode for armored concrete according to claim 1, it is characterised in that described is sacrificial The thickness of the bag pulp layer of domestic animal anode kernel periphery parcel is not less than 8mm.
CN201621424727.3U 2016-12-23 2016-12-23 A kind of anti-corrosion sacrificial anode for armored concrete Expired - Fee Related CN206467293U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110936533A (en) * 2019-11-29 2020-03-31 山东大学 Method for manufacturing polymer-based conductive composite material with integrally formed electrodes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110936533A (en) * 2019-11-29 2020-03-31 山东大学 Method for manufacturing polymer-based conductive composite material with integrally formed electrodes
CN110936533B (en) * 2019-11-29 2021-01-19 山东大学 Method for manufacturing polymer-based conductive composite material with integrally formed electrodes

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