CN205839133U - A kind of device protecting xoncrete structure negative electrode - Google Patents
A kind of device protecting xoncrete structure negative electrode Download PDFInfo
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- CN205839133U CN205839133U CN201620842309.XU CN201620842309U CN205839133U CN 205839133 U CN205839133 U CN 205839133U CN 201620842309 U CN201620842309 U CN 201620842309U CN 205839133 U CN205839133 U CN 205839133U
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- concrete
- reinforcing bar
- negative electrode
- anode
- xoncrete structure
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Abstract
This utility model provides a kind of device protecting xoncrete structure negative electrode; belong to impressed current cathodic protection field; including reinforcing bar, concrete, concrete anode and DC source; concrete is arranged at outside reinforcing bar the armored concrete forming entity; concrete anode is wrapped in armored concrete; reinforcing bar is connected with the negative electricity of DC source, and concrete anode is connected with the positive electrical of DC source.The device of the protection xoncrete structure negative electrode that this utility model provides is formed cathodic protection system by concrete anode, reinforcing bar and DC source; anode is done by concrete anode; without extra anode; simple in construction; and owing to concrete anode and concrete have the preferable compatibility; the most very convenient; area coverage is very big simultaneously; so reinforcing bar can be protected comprehensively; make increase its service life; reinforcing bar is completely wrapped after being connected with DC source again, it is possible to reduce the consumption of electric energy, thus reduces waste of energy.
Description
Technical field
This utility model relates to impressed current cathodic protection field, cloudy in particular to one protection xoncrete structure
The device of pole.
Background technology
Rust of Rebar in Concrete has become one of principal element affecting reinforced concrete structures durability, and people will
Prevent steel bar corrosion and improve reinforced concrete structures durability as main direction of studying, it is thus achieved that substantial amounts of studying into
Really, reinforcing bar guard technology constantly improves.At present, the reinforcing bar protection that cathodic protection is widely used in xoncrete structure, additional
Current cathodic protection system is the state-of-the-art technology of Steel Bars in Concrete Structure protection, is connected with additional power source negative pole by reinforcing bar, makes
Reinforcing bar becomes negative electrode, and then reaches to protect the purpose of reinforcing bar.
Inventor finds under study for action, and existing protection device at least has the disadvantage in that the sun of existing protection device
Electrode structure is complicated, easily loss and its character operationally between the longest time the most unstable.
Utility model content
The purpose of this utility model also resides in a kind of device protecting xoncrete structure negative electrode of offer, to improve existing protection
The loss complicated, easy of the anode construction of device and the problem that can not work long hours.
This utility model is achieved in that
Based on above-mentioned purpose, this utility model provides a kind of device protecting xoncrete structure negative electrode, including reinforcing bar, mixes
Solidifying soil, concrete anode and DC source, described concrete is arranged at the armored concrete forming entity outside described reinforcing bar, described
Concrete anode is wrapped in described armored concrete, and described reinforcing bar is connected with the negative electricity of described DC source, described concrete
Anode is connected with the positive electrical of described DC source.
The device of the protection xoncrete structure negative electrode that this utility model provides is by concrete anode, reinforcing bar and DC source shape
Become cathodic protection system, concrete anode do anode, it is not necessary to extra anode, simple in construction, and due to concrete anode with
Concrete has the preferable compatibility, the most very convenient, and area coverage is very big simultaneously, and such reinforcing bar can obtain comprehensively
Protection so that it is service life increases, and reinforcing bar is completely wrapped after being connected with DC source again, it is possible to reduce the consumption of electric energy, from
And reduce waste of energy, it is provided that concrete structure durability cover layer, can drop while obtaining preferable protected effect significantly
Low cost.
Further, described concrete anode includes concrete substrate and connecting conductor layer, and described connecting conductor layer is installed
In described armored concrete, described connecting conductor layer is between described armored concrete and described concrete substrate.
It is more firm that connecting conductor layer can make that concrete substrate is connected with armored concrete.
Further, described connecting conductor layer is carbon fibre fabric net.
Carbon fibre fabric net not only possesses good mechanical property, and its electric conductivity is good, corrosion-resistant, and current potential is close to lazy
Property metal electrochemical properties, be possible not only to transmit impressed current, and service life is long；Carbon fibre fabric net is applicable to structure
Difformity, different parts, be laid on and need structural region to be protected, its area coverage is big, can transmit negative electrode uniformly and protect
Protecting electric current, can also make that concrete substrate is connected with armored concrete is more firm simultaneously.
Further, the device of protection xoncrete structure negative electrode includes described in carbon fibre fabric net described in multilamellar and multilamellar mixed
Coagulating soil matrix body, concrete substrate described in multilamellar is crisscross arranged with carbon fibre fabric net described in multilamellar, and described concrete substrate
The number of plies is identical with the number of plies of described carbon fibre fabric net.
Multi-layer concrete matrix and multilamellar carbon fibre fabric net form a kind of nearly spacing mounting means after being crisscross arranged so that
Structure is in the voltage gradient of anode, can improve cathodic protection efficiency.
Further, it is online that the mode that the employing of described concrete substrate is sprayed arranges described carbon fibre fabric.
The mode using injection can make that concrete substrate is connected with carbon fibre fabric net more firmly, meanwhile, employing
The mode of injection can avoid producing between concrete substrate and carbon fibre fabric net bubble.
Further, described reinforcing bar includes many longitudinal reinforcements and Duo Gen stirrup, many described longitudinal reinforcements respectively with institute
The negative pole stating DC source connects, and many described stirrups negative pole with described DC source respectively is connected, many described longitudinal steel
Muscle is provided at circumferentially spaced along described stirrup, and many described stirrups are spaced along the length direction of described longitudinal reinforcement and arrange.
Many longitudinal reinforcements and Duo Gen stirrup make the structure of armored concrete the most stable, meanwhile, and many longitudinal reinforcements
Negative pole with described DC source is connected respectively, and many stirrups negative pole with described DC source respectively is connected, can be to longitudinal direction
Reinforcing bar and stirrup are formed more comprehensively to be protected.
Further, adjacent described longitudinal reinforcement is electrically connected by wire.
For measuring the electrical connectivity between longitudinal reinforcement.
Further, described longitudinal reinforcement and described stirrup are connected by tied silk.
Longitudinal reinforcement and stirrup connect can connect more firm, by tied silk meanwhile, when casting concrete also
Do not have bubble etc. and affect the impurity of reinforced concrete structure intensity.
Further, described concrete substrate uses fine aggregate concrete to make.
Fine aggregate concrete has high-strength, cracking resistance, anticorrosive, good endurance, fire prevention, good electric conductivity, can design
Property the advantage such as strong, it is adaptable to the clad material of structure and structural strengthening in thin-wall construction or corrosion resistant member and adverse circumstances.
Further, the device of described protection xoncrete structure negative electrode also includes control system, and described control system connects
Between the negative pole and described reinforcing bar of described DC source.
Direct current generator can be controlled by control system so that it is keeping lasting output, being periodically adjusted can
Effectively to reduce the consumption of electric energy, reinforcing bar can also be monitored with timed unit, meter can be observed by controlling device
Calculate the extent of deterioration of reinforcing bar.
Compared with prior art, this utility model realizes providing the benefit that:
The device of the protection xoncrete structure negative electrode that this utility model provides is by concrete anode, reinforcing bar and DC source shape
Become cathodic protection system, concrete anode do anode, it is not necessary to extra anode, simple in construction, and due to concrete anode with
Concrete has the preferable compatibility, the most very convenient, and area coverage is very big simultaneously, and such reinforcing bar can obtain comprehensively
Protection so that it is service life increases, and reinforcing bar is completely wrapped after being connected with DC source again, it is possible to reduce the consumption of electric energy, from
And reduce waste of energy.
Accompanying drawing explanation
Fig. 1 shows the signal of a kind of device protecting xoncrete structure negative electrode that this utility model preferred embodiment provides
Figure；
Fig. 2 shows that the another kind that this utility model preferred embodiment provides protects showing of the device of xoncrete structure negative electrode
It is intended to.
In figure:
Longitudinal reinforcement 101；Stirrup 102；Reinforcing bar 103；Concrete 104；Concrete substrate 105；Carbon fibre fabric net 106；
DC source 107；Control system 108；Concrete anode 109.
Detailed description of the invention
Rust of Rebar in Concrete has become one of principal element affecting reinforced concrete structures durability, and people will
Prevent steel bar corrosion and improve reinforced concrete structures durability as main direction of studying, it is thus achieved that substantial amounts of studying into
Really, reinforcing bar guard technology constantly improves.At present, the reinforcing bar protection that cathodic protection is widely used in xoncrete structure, additional
Current cathodic protection system is the state-of-the-art technology of Steel Bars in Concrete Structure protection, is connected with additional power source negative pole by reinforcing bar, makes
Reinforcing bar becomes negative electrode, and then reaches to protect the purpose of reinforcing bar.Inventor finds under study for action, and existing protection device at least exists
Following shortcoming: the anode construction of existing protection device is complicated, easily loss and its character operationally between the longest time the most unstable.
In order to make the problems referred to above be improved, this utility model provides a kind of device protecting xoncrete structure negative electrode,
Including reinforcing bar, concrete, concrete anode and DC source, described concrete is arranged at the reinforcing bar forming entity outside described reinforcing bar
Concrete, described concrete anode is wrapped in described armored concrete, and described reinforcing bar is connected with the negative electricity of described DC source,
Described concrete anode is connected with the positive electrical of described DC source.
The device of the protection xoncrete structure negative electrode that this utility model provides is by concrete anode, reinforcing bar and DC source shape
Become cathodic protection system, concrete anode do anode, it is not necessary to extra anode, simple in construction, and due to concrete anode with
Concrete has the preferable compatibility, the most very convenient, and area coverage is very big simultaneously, and such reinforcing bar can obtain comprehensively
Protection so that it is service life increases, and reinforcing bar is completely wrapped after being connected with DC source again, it is possible to reduce the consumption of electric energy, from
And reduce waste of energy.
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, above in conjunction with this utility model
Accompanying drawing in embodiment, has carried out clearly and completely describing to the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and
The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.
Therefore, the detailed description of the above embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of this utility model protection.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In description of the present utility model, the side of the instruction such as " " center ", " on ", " interior ", " outward " it should be noted that term
Position or position relationship are based on orientation shown in the drawings or position relationship, or usually put when this utility model product uses
Orientation or position relationship, be for only for ease of and describe this utility model and simplifying and describe rather than instruction or hint indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality
The restriction of type.Describe additionally, term " first ", " second " etc. are only used for distinguishing, and it is not intended that indicate or imply relatively heavy
The property wanted.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly " installation ", " being connected ", " connection ", connect for example, it may be fixing, it is also possible to be to removably connect,
Or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to pass through intermediary
It is indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, can manage with concrete condition
Solve above-mentioned term concrete meaning in this utility model.
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.
See figures.1.and.2, present embodiments provide a kind of device protecting xoncrete structure negative electrode, including reinforcing bar 103,
Concrete 104, concrete anode 109 and DC source 107, concrete 104 is arranged at the outer reinforcing bar forming entity of reinforcing bar 103 and mixes
Solidifying soil, concrete anode 109 is wrapped in armored concrete, and reinforcing bar 103 is connected with the negative electricity of DC source 107, concrete sun
Pole 109 is connected with the positive electrical of DC source 107.
The device of the protection xoncrete structure negative electrode that the present embodiment provides is by concrete anode 109, reinforcing bar 103 and unidirectional current
Source 107 forms cathodic protection system, concrete anode 109 do anode, it is not necessary to extra anode, simple in construction, and due to mixed
Solidifying soil anode 109 has the preferable compatibility with concrete 104, and the most very convenient, area coverage is very big simultaneously, so
Reinforcing bar 103 can be protected comprehensively so that it is service life increases, and reinforcing bar 103 is completely wrapped and is connected with DC source 107
After, it is possible to reduce the consumption of electric energy, thus reduce waste of energy.
Concrete anode 109 includes concrete substrate 105 and connecting conductor layer, and connecting conductor layer is installed on reinforced concrete
Soil, connecting conductor layer is between armored concrete and concrete collective 105.Connecting conductor layer can make concrete substrate 105
Be connected with armored concrete is more firm.
Connecting conductor layer can be carbon fibre fabric net 106.Carbon fibre fabric net 106 not only possesses good mechanical property
Can, and its electric conductivity is good, corrosion-resistant, and current potential, close to the electrochemical properties of inert metal, is possible not only to transmit impressed current,
And service life is long；Carbon fibre fabric net 106 is applicable to the difformity of structure, different parts, and being laid on need to be to be protected
Structural region, its area coverage is big, can transmit cathodic protection current uniformly, can also make concrete substrate 105 and reinforcing bar simultaneously
It is more firm that concrete connects.
Concrete anode 109 can include multilamellar carbon fibre fabric net 106 and multi-layer concrete matrix 105, multilamellar coagulation
Soil matrix body 105 is crisscross arranged with multilamellar carbon fibre fabric net 106, and the number of plies of concrete substrate 105 and carbon fibre fabric net 106
The number of plies identical.Multi-layer concrete matrix 105 and multilamellar carbon fibre fabric net 106 form a kind of nearly spacing and install after being crisscross arranged
Mode so that structure is in the voltage gradient of anode, can improve cathodic protection efficiency.
Concrete substrate 105 can be arranged on carbon fibre fabric net 106 in the way of being to use injection.Use the side of injection
It is more firm that formula can make that concrete substrate 105 is connected with carbon fibre fabric net 106, and meanwhile, the mode using injection is permissible
Avoid producing between concrete substrate 105 and carbon fibre fabric net 106 bubble
Concrete substrate 105 can be to use fine aggregate concrete to make.Fine aggregate concrete has high-strength, cracking resistance, anti-
The advantages such as burn into good endurance, fire prevention, good electric conductivity, designability are strong, it is adaptable to thin-wall construction or corrosion resistant member
And the clad material of structure and structural strengthening in adverse circumstances.
Gather materials also known as aggregate.Aggregate is divided into coarse aggregate and fine aggregate.Concrete mainly comprise one of material.Act primarily as bone
Frame effect and reducing owing to Binder Materials is condensing in hardening process the change in volume caused by drying shrinkage bulking, the most also as glue
The cheap inserts of gel material.Have natural aggregate and artificial aggregate point, the former is such as rubble, cobble, Pumex, natural sand etc.；After
Person such as cinder, slag, haydite, expanded perlite etc..Granule apparent density is less than the title light-weight aggregate that gathers materials of 1700 kilograms/cubic metre,
In order to manufacture normal concrete；Heavy especially gathers materials, in order to manufacture loaded concrete, such as radiation shield concrete.Gather materials big by granule
Little coarse aggregate and the fine aggregate of being divided into, general provision particle diameter is coarse aggregate more than 4.75 millimeters of persons, and such as rubble and cobble, particle diameter is from childhood
It is fine aggregate in 4.75 millimeters of persons, such as natural sand.
Reinforcing bar 103 includes many longitudinal reinforcements 101 and Duo Gen stirrup 102, many longitudinal reinforcements 101 respectively with DC source
The negative pole of 107 connects, and many stirrups 102 negative pole with DC source 107 respectively is connected, and many longitudinal reinforcements 101 are along stirrup 102
Be provided at circumferentially spaced, many stirrups 102 are spaced along the length direction of longitudinal reinforcement 101 and arrange.Many longitudinal reinforcements 101 are with many
Root stirrup 102 makes the structure of armored concrete the most stable, meanwhile, many longitudinal reinforcements 101 respectively with DC source 107
Negative pole connects, and many stirrups 102 negative pole with DC source 107 respectively is connected, can be to longitudinal reinforcement 101 and stirrup 102 shape
Become more comprehensively to protect.
Certainly, reinforcing bar 103 should at least include four longitudinal reinforcements 101 and at least connect root stirrup 102.
Adjacent longitudinal reinforcement 101 is electrically connected by wire.For measuring the electrical connectivity between longitudinal reinforcement 101.
Longitudinal reinforcement 101 and stirrup 102 are connected by tied silk.Longitudinal reinforcement 101 and stirrup 102 connect permissible by tied silk
Connect is more firm, and meanwhile, also not havinging bubble etc. when casting concrete affects reinforced concrete structure intensity
Impurity.
The device of protection xoncrete structure negative electrode also includes that control system 108, control system 108 are connected to DC source
Between negative pole and the reinforcing bar 103 of 107.Direct current generator can be controlled by control system 108 so that it is keeps lasting output,
Periodically it is adjusted effectively reducing the consumption of electric energy, reinforcing bar 103 can also be monitored with timed unit, can
To observe the extent of deterioration of calculating reinforcing bar 103 by controlling device.
The reinforced concrete structure that the present invention is directed to, it is adaptable to various components, such as beam, post, plate and other component forms.
In sum, the device of the protection xoncrete structure negative electrode that this utility model provides by concrete anode, reinforcing bar and
DC source forms cathodic protection system, concrete anode do anode, it is not necessary to extra anode, simple in construction, and due to mixed
Solidifying soil anode has the preferable compatibility with concrete, and the most very convenient, area coverage is very big simultaneously, and such reinforcing bar can
To be protected comprehensively so that it is service life increases, and reinforcing bar is completely wrapped after being connected with DC source again, it is possible to reduce electric energy
Consumption, thus reduce waste of energy.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. the device protecting xoncrete structure negative electrode, it is characterised in that include reinforcing bar, concrete, concrete anode and straight
Stream power supply, described concrete is arranged at the armored concrete forming entity outside described reinforcing bar, and described concrete anode is wrapped in institute
Stating armored concrete, described reinforcing bar is connected with the negative electricity of described DC source, described concrete anode and described DC source
Positive electrical connect.
The device of protection xoncrete structure negative electrode the most according to claim 1, it is characterised in that described concrete anode bag
Including concrete substrate and connecting conductor layer, described connecting conductor layer is installed on described armored concrete, described connecting conductor layer position
Between described armored concrete and described concrete substrate.
The device of protection xoncrete structure negative electrode the most according to claim 2, it is characterised in that described connecting conductor layer is
Carbon fibre fabric net.
The device of protection xoncrete structure negative electrode the most according to claim 3, it is characterised in that protection xoncrete structure is cloudy
The device of pole includes concrete substrate described in carbon fibre fabric net described in multilamellar and multilamellar, concrete substrate and multilamellar described in multilamellar
Described carbon fibre fabric net is crisscross arranged, and the number of plies of described concrete substrate is identical with the number of plies of described carbon fibre fabric net.
The device of protection xoncrete structure negative electrode the most according to claim 4, it is characterised in that described concrete substrate is adopted
Described carbon fibre fabric is set by the mode of injection online.
The device of protection xoncrete structure negative electrode the most according to claim 1, it is characterised in that described reinforcing bar includes many
Longitudinal reinforcement and Duo Gen stirrup, many described longitudinal reinforcements negative pole with described DC source respectively is connected, many described stirrups
Negative pole with described DC source is connected respectively, many described longitudinal reinforcement being provided at circumferentially spaced along described stirrup, many institutes
State the stirrup length direction interval setting along described longitudinal reinforcement.
The device of protection xoncrete structure negative electrode the most according to claim 6, it is characterised in that adjacent described longitudinal steel
Muscle is electrically connected by wire.
The device of protection xoncrete structure negative electrode the most according to claim 7, it is characterised in that described longitudinal reinforcement and institute
State stirrup to be connected by tied silk.
The device of protection xoncrete structure negative electrode the most according to claim 2, it is characterised in that described concrete substrate is adopted
Make with fine aggregate concrete.
10. according to the device of the protection xoncrete structure negative electrode described in any one of claim 1 to 9, it is characterised in that described guarantor
The device protecting xoncrete structure negative electrode also includes that control system, described control system are connected to negative pole and the institute of described DC source
State between reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842309.XU CN205839133U (en) | 2016-08-04 | 2016-08-04 | A kind of device protecting xoncrete structure negative electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842309.XU CN205839133U (en) | 2016-08-04 | 2016-08-04 | A kind of device protecting xoncrete structure negative electrode |
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| Publication Number | Publication Date |
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| CN205839133U true CN205839133U (en) | 2016-12-28 |
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| CN201620842309.XU Expired - Fee Related CN205839133U (en) | 2016-08-04 | 2016-08-04 | A kind of device protecting xoncrete structure negative electrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106011871A (en) * | 2016-08-04 | 2016-10-12 | 盐城工学院 | Method for protecting concrete structure cathode, and apparatus thereof |
-
2016
- 2016-08-04 CN CN201620842309.XU patent/CN205839133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106011871A (en) * | 2016-08-04 | 2016-10-12 | 盐城工学院 | Method for protecting concrete structure cathode, and apparatus thereof |
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Granted publication date: 20161228 Termination date: 20170804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |