CN208733231U - A kind of thermoelectric structure is protected with intelligent cathode and is deteriorated from monitoring system - Google Patents
A kind of thermoelectric structure is protected with intelligent cathode and is deteriorated from monitoring system Download PDFInfo
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- CN208733231U CN208733231U CN201820893815.0U CN201820893815U CN208733231U CN 208733231 U CN208733231 U CN 208733231U CN 201820893815 U CN201820893815 U CN 201820893815U CN 208733231 U CN208733231 U CN 208733231U
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Abstract
The utility model patent is related to a kind of protection of thermoelectric structure intelligent cathode with deterioration from monitoring system, belongs to cathodic protection and sensing detection technical field.Including thermoelectric structure, netted hearth electrode, titanium net anode and the carbon cloth top electrode set gradually, the netted hearth electrode is layed in thermoelectric structure concrete surface surface layer, thermoelectricity screed is folded between netted hearth electrode and titanium net anode and between titanium net anode and carbon cloth top electrode respectively, carbon cloth top electrode surface layer is successively arranged waterproof finishing coat and marker coating.It can finally synchronize and realize the protection of thermoelectric structure intelligent cathode and protective layer deterioration from Monitoring efficiency.
Description
Technical field
It is protected and is deteriorated from monitoring system with intelligent cathode the utility model relates to a kind of thermoelectric structure, belong to cathodic protection
And sensing detection technical field.
Background technique
With the parallel fast development of China's industry 2.0,3.0,4.0, various regions thermoelectric structure such as thermoelectricity chimney, cooling
The quantity and capacity of tower, reservoir etc. increase in geometric multiple.However, corresponding thermoelectric structure is locating to spray damp and hot alternating and salt fog
Erosion environment can make its corrosive degradation all much more serious than ordinary construction, the also easily deterioration removing of protection surface layer.Weathering steel or tree
Rouge reinforcing bar method mixes the traditional structures anti-corrosion methods such as corrosion inhibitor method, applying coating method, sacrificial anode protection and is difficult to fundamentally solve
Certainly its structure reinforcing bars corrodes, and let alone peels off and carries out effectively and timely early warning to corresponding protective layer fouling deterioration, cracking.
Cathode protection method is a kind of to rebar surface one impressed current of application that is corroded, and reinforcing bar becomes cathode, to make
Obtaining the electron transfer that reinforcement corrosion occurs is inhibited, the method for avoiding or weakening reinforcement corrosion reaction.Cathode protection method is main
There are two types of: sacrificial anode protection, impressed current cathodic protection method.China Patent No. " ZL201210241970.1 " combines Ti batten master
Anode, Ti net auxiliary anode, cement based nano composite material and carbon cloth, form cathodic protection anode function and know with force self is answered
Integral intelligent composite material, this anode and the clothes that on the one hand can significantly extend anode material from perception integral intelligent mortar
It uses as a servant the service life, on the one hand conductivity with higher, promotes cathodic protection current efficiency, another further aspect can also real-time monitoring steel reinforced concrete knot
The stress distribution of structure key area.However this still falls within sacrificial anode protection, can not overcome that protective current is small, the anode material longevity
Order the defects of shorter, difficulty of construction is big.And impressed current cathodic protection method also faces in actual configuration, utilization and maintenance process
Following main problem: it is difficult for thermoelectric structure and stable power supply (especially thermoelectric structure from far-off regions), system construction is provided
Complexity, energization will increase structure insecurity factor etc., it is obviously desirable to further develop self-powered cathode protection technology.
Cement-based mortar is due to having natural compatibility, low cost and long-acting corrosion resistant with coagulation soil matrix thermoelectric structure main body
Corrosion energy and given more sustained attention.If thermoelectric structure protection mortar coating systems further can be introduced thermoelectricity component, thermal energy is utilized
The directed movement effect of carrier inside thermoelectricity mortar is excited, and converts electric energy for the temperature difference thermal energy of its two sides, is formed included
The structure cathode protection system of power supply will be of great significance.For this purpose, China Patent Publication No. " CN106082858A ",
" CN106082730A ", " CN107188485A ", " CN107188485A " individually disclose a kind of manganese oxide complex cement base heat
Electric material and preparation method thereof, a kind of zinc oxide complex cement base thermoelectricity material and preparation method thereof, a kind of cuprous oxide are compound
Cement base thermoelectricity material and preparation method thereof, trial develops one kind, and with high Seebeck coefficient, (Seebeck coefficient is up to 1500 μ v/
DEG C) thermoelectricity mortar, and attempt built it is a kind of based on thermoelectricity mortar thermo-electric generation ocean structure corrosion self-immunity systems.In
State's patent No. 200810034933,201110461097 each provides a kind of microwave liquid phase heating, co-precipitation reduction legal system
Standby nano bismuth telluride (Bi2Te3) thermoelectric material method.China Patent No. 200910272447, publication number CN1594623A difference
Report the method for preparing nano skutterudite compound thermoelectric material with high-energy ball milling method combination discharge plasma sintering.
However, on the one hand, due to above-mentioned thermoelectricity component manganese dioxide, zinc oxide, cuprous oxide, bismuth telluride, skutterudite
Although it is high to close object Seebeck coefficient, its internal resistance is high, the thermocurrent generated under the effect of outside sustaining temperature difference in thermoelectric structure
It is limited, it is often difficult to meet the requirement of thermoelectric structure corrosion from immune cathodic protection power supply, synchronous introducing conductive component is needed to reduce
Its resistivity；On the one hand, above-mentioned thermoelectricity component oxidability with higher, can interfere mortar hydrated cementitious, final to mortar
Hardening strength has certain influence, it is next toughened and reinforced to need replacing cementitious material, adding of fiber or super fine powder additives, and then ensure heat
Intrinsic safeguard function of the electric mortar to thermoelectric structure；In another aspect, can not be deteriorated to corresponding protective layer fouling, cracking is peeled off and carried out
Effectively and timely early warning.
Utility model content
The utility model patent is to overcome drawbacks described above, provides a kind of protection of thermoelectric structure intelligent cathode and deterioration from supervising
Thermoelectricity mortar spraying is served as protective layer in thermoelectric structure surface by survey system, and using thermoelectric structure ectonexine, there are temperature difference realizations
Power generation, and then construct self-powered reinforcing bar Cathodic Protection System；Power-electricity Intellisense characteristic structure of thermoelectricity screed is utilized simultaneously
Itself deterioration is built from monitoring and from pre-alarming system.
The utility model adopts the following technical solution:
A kind of thermoelectric structure is protected with intelligent cathode and is deteriorated from monitoring system, including thermoelectric structure, the net set gradually
Shape hearth electrode, titanium net anode and carbon cloth top electrode, the netted hearth electrode are layed in thermoelectric structure concrete surface surface layer,
Thermoelectricity screed is folded between netted hearth electrode and titanium net anode and between titanium net anode and carbon cloth top electrode respectively,
Carbon cloth top electrode surface layer is successively arranged waterproof finishing coat and marker coating.
Further, local concave and convex part is smoothed out with cement-base infiltration crystallization materials repairing in the thermoelectricity screed.
Further, the netted hearth electrode is the netted stainless steel hearth electrode of 40-180 mesh, thickness 2-5mm.
Further, the thermoelectricity screed between the netted hearth electrode and titanium net anode with a thickness of 5-10mm.
Further, the titanium net anode is the braiding afflux net type titanium net positive electrode of 40-200 mesh, thickness 1-2mm.
Further, the thermoelectricity screed between the titanium net anode and carbon cloth top electrode with a thickness of 15-50mm.
Further, the carbon cloth top electrode with a thickness of 0.111 or 0.167.
Compared with prior art, the utility model has following excellent technical effect:
Thermoelectricity screed " Trinity " is served as thermoelectric structure electrothermal module layer, toughness protective layer and power electricity intelligence by the application
Energy sensing layer, it is existing when synchronous solution is using impressed current cathodic protection technical protection large volume, towering arc thermoelectric structure
Be difficult to power supply is installed, energization will increase structure insecurity factor technology, the intrinsic toughened and reinforced technology of mortar and itself suffered by
Stress/strain, crack damage can not integration challenges such as cognition technology in time；Final development structure reinforcement corrosion is certainly immune and protects
Layer deterioration self diagnosis system, General Promotion thermoelectric structure service life.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the utility model structure；
Appended drawing reference as shown in the figure are as follows: 1, thermoelectric structure concrete surface；2, netted hearth electrode；3, titanium net anode；4, hot
Electric screed；5, carbon cloth top electrode；6, waterproof finishing coat；7, marker coating；8, cement-base infiltration crystallization material.
Specific embodiment
Embodiment
As shown in Figure 1, a kind of thermoelectric structure is protected with intelligent cathode and is deteriorated from monitoring system, including the heat set gradually
Electric structure, netted hearth electrode 2, titanium net anode 3 and carbon cloth top electrode 5, it is mixed that the netted hearth electrode 2 is layed in thermoelectric structure
Solidifying 1 surface layer of soil matrix face is divided between netted hearth electrode 2 and titanium net anode 3 and between titanium net anode 3 and carbon cloth top electrode 5
It is not folded with nano modification thermoelectricity screed 4,5 surface layer of carbon cloth top electrode is successively arranged waterproof finishing coat 6 and signal
Guide coat 7.Local concave and convex part is repaired with cement-base infiltration crystallization material 8 in the nano modification thermoelectricity screed 4 smoothes out.
It, will be with steel in thermoelectric structure concrete surface 1 when the nano modification thermoelectricity screed 4 is used as electrothermal module power supply
Muscle net, titanium net anode 3 and carbon cloth top electrode 5 are connected, and the nano modification thermoelectricity screed 4 is used as deterioration from monitoring sensing
When layer, it is connected with netted hearth electrode 2 and carbon cloth top electrode 5, and accessing distributed monitoring node with aviation plug (must if having
Access wireless data transmission communication equipment), the cement-base infiltration crystallization material 8, waterproof finishing coat 6, marker coating 7
It can be prepared with technology known to professional and technical personnel in the field, and carry out Specialist prosthetic or coating.
The thermoelectric structure is protected as follows from monitoring system construction step with deterioration with intelligent cathode:
The 30% of water consumption is weighed first, methylcellulose is dispersed therein, while being stirred with glass bar, solution left standstill
After 20min or so, carbon fiber is added in solution and is stirred continuously, remaining 70% water is added in agitated kettle, then successively
Silicon ash, cement and normal sand is added, then the solution for being dispersed with carbon fiber is added and is stirred, stirring 3min or so is to get warm
Electric mortar slurry.
When needing to carry out thermoelectric structure cathodic protection and protective layer damage from when monitoring, placed in advance on thermoelectric structure surface layer
The netted bottom stainless steel hearth electrode of 40-180 mesh, thickness 2-5mm pours the thermoelectricity mortar slurry of 5-10mm thickness stirred evenly, indentation
The braiding afflux net type titanium net positive electrode of 40-200 mesh, thickness 1-2mm, then the thermoelectricity mortar slurry of 15-50mm thickness is poured, it is compacted
Molding；Repairing floating is carried out with cement-base infiltration crystallization material layer well-known to those skilled in the art to local concave and convex part,
The PAN base carbon fibre cloth top electrode with a thickness of 0.111mm or 0.167mm is re-layed before final set；Further include after compaction moulding
Following steps: plastic covering film, and demoulded after being placed 7 hours in room temperature, sealed environment, and curing to 7d age.
For being used as the thermoelectricity screed of electrothermal module power supply, it is directly connected to thermoelectric structure steel mesh, titanium net anode and carbon
Fiber cloth top electrode, the thermoelectricity such as Seebeck coefficient, electromotive force parameter height evaluates its thermo-electric generation effect under integrated structure internal-external temperature difference
Rate, and structure reinforcing bars corrosion is assessed from immune operation mechanism and operational efficiency by electrochemical workstation.
For regional area, need to develop the thermoelectricity screed of its power fax sense effect, with aviation plug by nano modification
The netted hearth electrode and carbon cloth top electrode of thermoelectricity screed be respectively connected to cover microprocessor, bus interface, communication interface,
The distributed monitoring node of data acquisition board is evaluated by screed electric parameters changing rule under different force/strain
Its sensitivity and stability；And antenna substrate and flat plane antenna are pasted with conductive silver paste in carbon fiber cloth top electrode face, then access
The wireless data transmission communication equipment for covering vector analysis instrument, analog-digital converter and demodulator realizes that the communication of wireless data passes
It is defeated；Waterproof layer and marker layer are successively coated in thermoelectricity screed surrounding later, dense package layer is collectively formed.
In conjunction with thermostatic water bath temperature difference system, thermoelectricity mortar is connected into electrothermal module, and by final positive and negative anodes using boat
Blind plug is separately connected the reinforcing work electrode and titanium net anode of the liquid of concrete erosion containing 3.5%NaCl, uses electrochemical workstation
It tests and pad value, polarization resistance stationary value, the corrosion electric current density for calculating depolarising current potential is respectively 512mV, 159.8k
Ω·cm、0.63μA/cm2；Reinforcing bar current potential can be caused to generate biggish negative shifting, polarization based on the electrothermal module thermo-electric generation system
Resistance is larger, and corrosion current is lower, shows that reinforcing bar cathode can be played good protecting effect.
Under hydraulic servo experimental machine, the distributed monitoring node connected using aviation plug, and combine art technology
Noise signal occluding technique known to personnel obtains the thermoelectricity mortar sensing layer in structure frequency and meets (0- within the scope of cyclic load
30MPa) AC impedance, ac capacitor change rate are respectively 35.3%, 17.6% under the 10kHz frequency of the sensing layer, corresponding to pass
Feeling layer is respectively 2.71%, 3.08% to the stress/strain perception linearity；Obviously can by sensing layer itself deteriorate crack when its
Electrical parameter is mutated and realizes online awareness and early warning.
Claims (7)
1. a kind of thermoelectric structure is protected with intelligent cathode and is deteriorated from monitoring system, which is characterized in that including the heat set gradually
Electric structure, netted hearth electrode (2), titanium net anode (3) and carbon cloth top electrode (5), the netted hearth electrode (2) are layed in heat
Electric structural concrete basal plane (1) surface layer, between netted hearth electrode (2) and titanium net anode (3) and titanium net anode (3) and carbon fiber
It is folded with respectively between cloth top electrode (5) thermoelectricity screed (4), carbon cloth top electrode (5) surface layer is successively arranged waterproof
Finishing coat (6) and marker coating (7).
2. thermoelectric structure according to claim 1 is protected with intelligent cathode and is deteriorated from monitoring system, which is characterized in that institute
Local concave and convex part cement-base infiltration crystallization materials repairing in thermoelectricity screed (4) is stated to smooth out.
3. thermoelectric structure according to claim 1 is protected with intelligent cathode and is deteriorated from monitoring system, which is characterized in that institute
State the netted stainless steel hearth electrode that netted hearth electrode (2) are 40-180 mesh, thickness 2-5mm.
4. thermoelectric structure according to claim 1 or 3 is protected with intelligent cathode and deteriorated from monitoring system, feature exists
In, thermoelectricity screed (4) between the netted hearth electrode (2) and titanium net anode (3) with a thickness of 5-10mm.
5. thermoelectric structure according to claim 1 is protected with intelligent cathode and is deteriorated from monitoring system, which is characterized in that institute
State the braiding afflux net type titanium net positive electrode that titanium net anode (3) are 40-200 mesh, thickness 1-2mm.
6. thermoelectric structure is protected with intelligent cathode and deteriorated from monitoring system according to claim 1 or 5, feature exists
In, thermoelectricity screed (4) between the titanium net anode (3) and carbon cloth top electrode (5) with a thickness of 15-50mm.
7. thermoelectric structure according to claim 1 is protected with intelligent cathode and is deteriorated from monitoring system, which is characterized in that institute
State carbon cloth top electrode (5) with a thickness of 0.111 or 0.167mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820893815.0U CN208733231U (en) | 2018-06-11 | 2018-06-11 | A kind of thermoelectric structure is protected with intelligent cathode and is deteriorated from monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820893815.0U CN208733231U (en) | 2018-06-11 | 2018-06-11 | A kind of thermoelectric structure is protected with intelligent cathode and is deteriorated from monitoring system |
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| CN208733231U true CN208733231U (en) | 2019-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034197A (en) * | 2021-12-22 | 2022-02-11 | 北京百度网讯科技有限公司 | Chassis of cooling tower and cooling tower |
-
2018
- 2018-06-11 CN CN201820893815.0U patent/CN208733231U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034197A (en) * | 2021-12-22 | 2022-02-11 | 北京百度网讯科技有限公司 | Chassis of cooling tower and cooling tower |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20200611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |