CN107245923A - A kind of intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy - Google Patents
A kind of intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy Download PDFInfo
- Publication number
- CN107245923A CN107245923A CN201710346998.4A CN201710346998A CN107245923A CN 107245923 A CN107245923 A CN 107245923A CN 201710346998 A CN201710346998 A CN 201710346998A CN 107245923 A CN107245923 A CN 107245923A
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- Prior art keywords
- bridge floor
- snow
- bridge
- heat pump
- earth source
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- 238000002844 melting Methods 0.000 title claims abstract description 18
- 230000008018 melting Effects 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000005457 optimization Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000005413 snowmelt Substances 0.000 description 7
- 238000007710 freezing Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy, including underground collecting system, bridge floor cooling system, earth source heat pump, roadway-surface-conddetector detector and PLC control system, underground collecting system constitutes circulation loop by horizontally and vertically underground pipe, bridge floor cooling system is made up of defeated heat pipe, radiating tube and return duct and follows bad pipeline, and roadway-surface-conddetector detector is embedded into bridge deck overlays and is connected with PLC control system.Connected between underground collecting system and bridge floor cooling system by earth source heat pump.The roadway-surface-conddetector detector of the present invention can gather bridge floor weather information in real time, and result is delivered into PLC control system, judge bridge floor whether there is accumulated snow or icing by system.If there is ice and snow, startup optimization earth source heat pump makes bridge floor heat up by heat exchange, automatic to remove bridge floor ice and snow；If without ice and snow, earth source heat pump is closed automatically.High efficiency smart of the present invention, energy-conserving and environment-protective, the rate of geothermal utilization are high, have a extensive future.
Description
Technical field
Technology and application field, more particularly to a kind of intelligence of utilization shallow layer geothermal energy are utilized the invention belongs to shallow layer geothermal energy
Energy type bridge floor deicing or snow melting system, it is adaptable to cold wet and the bridge floor being easy under accumulated snow or freezing environment.
Background technology
Pavement of road and bridge floor accumulated snow, which freeze, not only results in vehicle traveling difficulty, influences traffic safety, causes traffic thing
Therefore, but also serious traffic congestion and large-scale traffic paralysis can be caused, cause huge economic loss.In recent years,
Major traffic accidents and large-scale interruption of communication of the China caused by winter bridge accumulated snow freezes happen occasionally, it is contemplated that road surface
Significant impact with bridge floor ice and snow to traffic safety, transport and economic development, road deicing or snow melting is to winter road traffic condition
Improvement play most important effect, have become road maintenance work in an indispensable part.
Conventional melting ice and snow method is broadly divided into passive snow melt clearing ice technology and the major class of active snow melt technology two at present, its
Middle passive type snow melt clearing ice technology mainly has artificial removing method, mechanical removal method and chemical thaw method, and these methods are extensive
Apply in China's road snow melt deicing engineering, but presence such as destroys road (bridge) face and pollution environment, cost is too high, use
The problems such as condition is limited.Active snow melt technology mainly use the functional material road pavements such as conducting concrete, electric heating cable or
Bridge floor is heated, and reaches deicing or snow melting purpose, and wherein electric heating cable snow melt method has the consistency problem with pavement structure, and
Thicker insulating barrier is wrapped up on electric heating surface, and the thermal efficiency is relatively low, and manufacturing cost is also higher；Though conducting concrete method with road surface
Layer is combined preferably, but it is slower to generate heat, and uniformly mixing is difficult to realize material.Moreover, both approaches be in the process of running by
Electric energy is converted into heat energy, inevitably consumes a large amount of electric energy, and operating cost is high.Therefore, develop a kind of quick, environmental protection, it is economical,
Efficient snow melt clearing ice technology is extremely urgent.
Because bridge is located on pier, it is impossible to absorb underground heat so that bridge deck temperature is usually less than 2~3 DEG C of pavement temperature,
Therefore, compared to subgrade and pavement, bridge floor is more easy to accumulated snow icing, and the thawing of bridge floor ice sheet lags behind road surface ice sheet thawing.
The content of the invention
Goal of the invention：Shallow layer geothermal energy is utilized to road-bridge transition section bridge floor there is provided one kind for above-mentioned prior art
The deicing or snow melting system of heat temperature raising, so as to reach effectively prevention and remove the effect of bridge floor ice and snow.
Technical scheme：A kind of intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy, including underground collecting system,
Bridge floor cooling system, earth source heat pump, roadway-surface-conddetector detector and PLC control system；The underground collecting system is buried by level
Pipe and Vertical pendulum tiltmeters constitute circulation loop by serial or parallel connection mode, and the horizontal underground pipe is during roadbed filling
Layering, the horizontally embedded heat exchanger tube inside roadbed, the Vertical pendulum tiltmeters are to be buried with single U-shaped, W types or screw type pipe laying form
Heat exchanger tube inside bridge pile foundation；The bridge floor cooling system is by defeated heat pipe and is embedded in dissipating in deck installation structure layer
Heat pipe and return duct composition, and composition follows bad pipeline；The roadway-surface-conddetector detector is embedded into bridge deck overlays and controlled with PLC
The signal input part connection of system；Connected between the underground collecting system and bridge floor cooling system by earth source heat pump, ground source heat
Pump is controlled by the PLC control system.
Further, the roadway-surface-conddetector detector is used to monitor bridge floor weather information in real time, and the weather information includes
Temperature, icing, accumulated snow situation, are then delivered to the PLC control system by the bridge floor weather information gathered and are analyzed, if
Judge that bridge deck temperature is less than freezing point value and bridge floor has accumulated snow or icing, then start earth source heat pump using PLC control system, pass through heat
Exchange makes bridge floor heat up, automatic to remove bridge floor ice and snow；If without ice and snow, closing earth source heat pump.
Further, the heat transferring medium in the underground collecting system and bridge floor cooling system is sodium chloride, calcium chloride salt
The aqueous solution or ethylene glycol, aqueous solution of propylene glycol.
Further, the tubing in the underground collecting system and bridge floor cooling system uses polyethylene or polypropylene plastics
Pipe.
Further, the defeated heat pipe outer surface is enclosed with heat-insulation layer, and the radiating bottom of the tube is equipped with thermal insulation layer.
Beneficial effect：Due to using above-mentioned technical proposal, the present invention preferably realizes invention effect.When winter appearance is low
During warm sleet and snow ice weather, by PLC control system automatic start earth source heat pump, using being embedded in changing inside roadbed and pile foundation
Heat pipe extracts the geothermal energy that inside roadbed and Rock And Soil is stored around bridge pile foundation, under the driving effect of earth source heat pump, heat
Absorbed by the heat transferring medium in pipeline in bridge floor cooling system, and then road-bridge transition section bridge floor is heated up by heat exchange, reached
To the effect for preventing and removing bridge floor ice and snow.When summer temperature is higher, system can antikinesis, reduce bridge floor temperature,
Reduce adverse effect of the summer high temperature to bridge structure stress.A kind of intelligent bridge floor of utilization shallow layer geothermal energy of the present invention melts
Snowization ice system, without artificial operation, bridge floor ice and snow can be removed automatically, the rate of geothermal utilization and heat transfer efficiency are high, and controllability is good, ring
Energy-conservation is protected, with significant economic benefit, environmental benefit and social benefit, winter cold wet is particularly suitable for use in and is easy to accumulated snow
Or the deicing or snow melting of the road-bridge transition section bridge floor under freezing environment.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is intelligent bridge floor deicing or snow melting systematic difference schematic diagram of the present invention using shallow layer geothermal energy；
Fig. 3 is the horizontal layout schematic diagram of bridge floor cooling system；
Fig. 4 is the schematic cross-sectional view of bridge floor cooling system.
Have in figure：1 is underground collecting system, and 2 be bridge floor cooling system, and 3 be earth source heat pump, and 4 be roadway-surface-conddetector detector,
5 be PLC control system, and 6 be horizontal underground pipe, and 7 be Vertical pendulum tiltmeters, and 8 be roadbed, and 9 be pile foundation, and 10 be defeated heat pipe, and 11 be bridge
Face, 12 be radiating tube, and 13 be return duct, and 14 be cable, and 15 be heat-insulation layer, and 16 be thermal insulation layer.
Embodiment
The embodiment to the present invention is described in detail below in conjunction with the accompanying drawings.
A kind of intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy, be by underground collecting system 1, bridge floor radiating
System 2, earth source heat pump 3, roadway-surface-conddetector detector 4 and PLC control system 5 are constituted.Underground collecting system 1 is by the horizontal He of underground pipe 6
Vertical pendulum tiltmeters 7 constitute circulation loop by series system, and horizontal underground pipe 6 is that layering, level are buried during roadbed filling
Heat exchanger tube inside roadbed 8, Vertical pendulum tiltmeters 7 are that the heat exchange inside bridge pile foundation 9 is embedded in screw type pipe laying form
Pipe.Bridge floor cooling system 2 is made up of defeated heat pipe 10 and the radiating tube 12 and return duct 13 that are embedded in the paving structure of bridge floor 11 layer,
And composition follows bad pipeline.Roadway-surface-conddetector detector 4 is embedded into bridge deck overlays, passes through cable 14 and the signal of PLC control system 5
Input is connected.Connected between underground collecting system 1 and bridge floor cooling system 2 by earth source heat pump 3, earth source heat pump 3 is controlled by
PLC control system 5.
When there is low temperature sleet or freezing weather in winter, roadway-surface-conddetector detector 4 can monitor bridge deck temperature, knot in real time
Ice, accumulated snow situation, then the bridge floor weather information automatic transport gathered to PLC control system 5 is analyzed, controlled by PLC
System 5 processed judges bridge floor 11 whether there is accumulated snow or icing with reference to Current Temperatures.If it is determined that the temperature of bridge floor 11 is less than freezing point value and bridge floor
11 have accumulated snow or icing, then start earth source heat pump 3 by PLC control system 5, bridge floor 11 is heated up by heat exchange, automatic clear
Except bridge floor ice and snow；If automatic to close earth source heat pump 3 without ice and snow.PLC control system 5 can pass through temperature, flow and pressure etc.
Temperature, flow, pressure and other parameters in the program real-time collecting earth-source hot-pump system 3 of sensor and acquisition module, to operation conditions
Monitored in real time.PLC control system 5 can also be connected with wireless communication module, and system data is realized by remote terminal
Transmission and remote monitoring.
Underground collecting system 1 passes through rock inside the heat transferring medium and roadbed of underground pipe internal circulation flow and around bridge pile foundation
Soil body body carries out heat exchange, makes the temperature rise for turning thermal medium, under the driving effect of earth source heat pump 3, heat energy is by underground thermal-arrest
The transfer of system 1 flows to bridge floor cooling system 2, and by realizing that heat is handed between the heat transferring medium in radiating tube 12 and bridge floor 11
Change, so as to reach the effect of heating bridge floor 11 and deicing or snow melting.Heat transferring medium is saline solution or the second two such as sodium chloride, calcium chloride
The aqueous solution of the organic compounds such as alcohol, propane diols, it realizes absorption and the biography of heat energy in the pipe-line system internal circulation flow of closing
Pass.
In order to improve the rate of geothermal utilization and heat transference efficiency of system, the thermal loss in cyclic process, ground next part are reduced
Tubing in hot systems 1 and bridge floor cooling system 2 uses high density heat-proof polythene plastic tube, and the defeated outer surface of heat pipe 10 is used
Polyurethane foam plastic heat-insulation layer 15 is wrapped up, the bottom laying high-strength degree plastic extrusion polystyrene board of radiating tube 12, is used as thermal insulation layer 16.
Embodiments of the present invention are these are only, it describes more specific and in detail, but therefore can not be interpreted as pair
The limitation of the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, not departing from the present invention
On the premise of design, various modifications and improvements can be made, these belong to protection scope of the present invention.
Claims (5)
1. a kind of intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy, it is characterised in that：Including underground collecting system,
Bridge floor cooling system, earth source heat pump, roadway-surface-conddetector detector and PLC control system；The underground collecting system is buried by level
Pipe and Vertical pendulum tiltmeters constitute circulation loop by serial or parallel connection mode, and the horizontal underground pipe is during roadbed filling
Layering, the horizontally embedded heat exchanger tube inside roadbed, the Vertical pendulum tiltmeters are to be buried with single U-shaped, W types or screw type pipe laying form
Heat exchanger tube inside bridge pile foundation；The bridge floor cooling system is by defeated heat pipe and is embedded in dissipating in deck installation structure layer
Heat pipe and return duct composition, and composition follows bad pipeline；The roadway-surface-conddetector detector is embedded into bridge deck overlays and controlled with PLC
The signal input part connection of system；Connected between the underground collecting system and bridge floor cooling system by earth source heat pump, ground source heat
Pump is controlled by the PLC control system.
2. the intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy according to claim 1, it is characterised in that：Institute
Stating roadway-surface-conddetector detector is used to monitor bridge floor weather information in real time, and the weather information includes temperature, icing, accumulated snow situation,
Then the bridge floor weather information gathered is delivered into the PLC control system to be analyzed, if it is determined that bridge deck temperature is less than ice
Point value and bridge floor has accumulated snow or icing, then start earth source heat pump using PLC control system, bridge floor is heated up by heat exchange, from
It is dynamic to remove bridge floor ice and snow；If without ice and snow, closing earth source heat pump.
3. the intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy according to claim 1 or 2, its feature exists
In：Heat transferring medium in the underground collecting system and bridge floor cooling system is sodium chloride, the calcium chloride salt aqueous solution or ethylene glycol,
Aqueous solution of propylene glycol.
4. the intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy according to claim 1 or 2, its feature exists
In：Tubing in the underground collecting system and bridge floor cooling system uses polyethylene or pp pipeline.
5. the intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy according to claim 4, it is characterised in that：Institute
State defeated heat pipe outer surface and be enclosed with heat-insulation layer, the radiating bottom of the tube is equipped with thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346998.4A CN107245923A (en) | 2017-05-16 | 2017-05-16 | A kind of intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346998.4A CN107245923A (en) | 2017-05-16 | 2017-05-16 | A kind of intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107245923A true CN107245923A (en) | 2017-10-13 |
Family
ID=60016673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710346998.4A Pending CN107245923A (en) | 2017-05-16 | 2017-05-16 | A kind of intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107245923A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317757A (en) * | 2018-02-08 | 2018-07-24 | 惠州市俊康电子科技有限公司 | A kind of geothermal industry processing unit (plant) |
| CN108330748A (en) * | 2018-01-30 | 2018-07-27 | 中国矿业大学 | A kind of frost heaving resistant high-speed railway energy foundation bed structure in deep seasonal frozen ground area |
| CN109162166A (en) * | 2018-10-22 | 2019-01-08 | 湖北工业大学 | Comprehensively utilize the cement concrete pavement ice melting system and construction method of geothermal electric heating |
| CN110512512A (en) * | 2019-09-29 | 2019-11-29 | 中建七局第四建筑有限公司 | A kind of bridge earth source heat pump heat-exchange system and its construction method |
| CN110965424A (en) * | 2020-01-02 | 2020-04-07 | 长安大学 | Active snow-melting and ice-thawing road surface structure and paving process thereof |
| CN112554120A (en) * | 2020-12-10 | 2021-03-26 | 湖北工业大学 | Bridge deck automatic snow melting and ice melting system and method based on terrestrial heat |
| CN114383341A (en) * | 2022-01-07 | 2022-04-22 | 山东大学 | Active ice and snow melting system for road surface and control method thereof |
| CN114575234A (en) * | 2022-04-12 | 2022-06-03 | 中建路桥集团有限公司 | Cast-in-place box girder and bridge structure applying same |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330748A (en) * | 2018-01-30 | 2018-07-27 | 中国矿业大学 | A kind of frost heaving resistant high-speed railway energy foundation bed structure in deep seasonal frozen ground area |
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| CN109162166A (en) * | 2018-10-22 | 2019-01-08 | 湖北工业大学 | Comprehensively utilize the cement concrete pavement ice melting system and construction method of geothermal electric heating |
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| CN110965424A (en) * | 2020-01-02 | 2020-04-07 | 长安大学 | Active snow-melting and ice-thawing road surface structure and paving process thereof |
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| CN112554120A (en) * | 2020-12-10 | 2021-03-26 | 湖北工业大学 | Bridge deck automatic snow melting and ice melting system and method based on terrestrial heat |
| CN114383341A (en) * | 2022-01-07 | 2022-04-22 | 山东大学 | Active ice and snow melting system for road surface and control method thereof |
| CN114575234A (en) * | 2022-04-12 | 2022-06-03 | 中建路桥集团有限公司 | Cast-in-place box girder and bridge structure applying same |
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Application publication date: 20171013 |