CN104594156A - Deicing and snow melting system utilizing terrestrial heat in tunnel - Google Patents
Deicing and snow melting system utilizing terrestrial heat in tunnel Download PDFInfo
- Publication number
- CN104594156A CN104594156A CN201510053286.4A CN201510053286A CN104594156A CN 104594156 A CN104594156 A CN 104594156A CN 201510053286 A CN201510053286 A CN 201510053286A CN 104594156 A CN104594156 A CN 104594156A
- Authority
- CN
- China
- Prior art keywords
- heat
- tunnel
- deicing
- snow melting
- exchange tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008018 melting Effects 0.000 title claims abstract description 21
- 238000002844 melting Methods 0.000 title claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000009413 insulation Methods 0.000 claims description 5
- 206010039203 Road traffic accident Diseases 0.000 abstract description 3
- 239000010426 asphalt Substances 0.000 abstract description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 239000000383 hazardous chemical Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008014 freezing Effects 0.000 description 7
- 238000007710 freezing Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009746 freeze damage Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/30—Geothermal collectors using underground reservoirs for accumulating working fluids or intermediate fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T50/00—Geothermal systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a deicing and snow melting system utilizing terrestrial heat in a tunnel. The system comprises a heat pump unit, a heat supply pipe and heat exchange tubes, wherein the heat supply pipe and the heat exchange tubes are respectively communicated with the heat pump unit so as to form two circulating pipeline independent from each other; fluid in the heat supply pipe and the heat exchange tubes provides circulating power by virtue of the heat pump unit, and heat exchange is performed by virtue of the heat pump unit. According to the deicing and snow melting system utilizing terrestrial heat in the tunnel disclosed by the invention, rich geothermal resources in a high-temperature geothermal area can be utilized, and the terrestrial heat energy in the tunnel is transferred to the ground by virtue of the pipeline, so that the aims of actively melting snow and deicing are achieved. The snows and ice on the road surface in spring and winter can be eliminated, the road riding safety problem is improved, the asphalt pavement service quality is improved, the traffic accident rate and economic losses are reduced, the life and property safety of the masses can be protected, the service performance of the asphalt pavement can be maintained, the service life is prolonged, the environmental hazards caused by use of chlorine deicers are reduced, good economical benefits are achieved, and the renewable and sustainable energy, namely, the terrestrial heat energy is reasonably used.
Description
Technical field
The present invention relates to a kind of deicing or snow melting system, particularly relate to a kind of deicing or snow melting system utilizing underground heat in tunnel.
Background technology
Current Tibetan area, Xinjiang and northern area expressway construction ubiquity freezing disaster phenomenon, especially low altitude area is to the changeover portion of High aititude, and along with the sharply lifting of height above sea level, winter-spring season often has freezing accumulated snow; For microthermal climate, tunnel portal lining cutting often has freeze injury problem, affects safety of structure; And road often there will be accumulated snow freezing phenomena outside tunnel, drastically influence traffic safety.
Therefore, need a kind of deicing or snow melting system, to solve freezing damage in tunnel problem, reduce traffic safety hidden danger.
Summary of the invention
In view of this, the object of this invention is to provide a kind of deicing or snow melting system utilizing underground heat in tunnel, geothermal energy can be utilized to solve freezing damage in tunnel problem, reduce traffic safety hidden danger.
The deicing or snow melting system utilizing underground heat in tunnel of the present invention, comprises source pump, heating tube and heat-exchange tube; Described heating tube and heat-exchange tube are communicated with source pump respectively and form two separate circulation lines; Fluid in heating tube and heat-exchange tube provides by source pump the power that circulates and carries out interchange of heat by source pump;
Further, the water collector being connected to source pump water inlet end and the water knockout drum being connected to source pump water side is also comprised; Described water collector and water knockout drum are connected to heat-exchange tube by corresponding header and distributive pipe makes water collector, header, heat-exchange tube, distributive pipe, water knockout drum and source pump form loop;
Further, described heating tube is embedded in the outer road two of tunnel portal and tunnel portal and serves as a contrast 5cm ~ 15cm depth between insulation layer and below road surface; Described heat-exchange tube is embedded in the middle part of tunnel and just serves as a contrast between two linings;
Further, described heating tube is U-shaped pipeline or S shape pipeline;
Further, described heat-exchange tube is S shape pipeline.
The invention has the beneficial effects as follows: the deicing or snow melting system utilizing underground heat in tunnel of the present invention, the geothermal energy resources that high-temperature geothermal district is abundant can be utilized, geothermal energy in tunnel is passed to road surface by pipeline, thus reach the object of initiatively deicing or snow melting, artificial or machinery elimination can not be needed, also the adverse consequences that Snow Agent is brought can be avoided, geothermal energy resources are effectively utilized, it is the road deicing or snow melting technology of environmental protection, there are good economic and social benefits, not only can solve winter in spring road snow freeze, road improvement Exploration on Train Operation Safety, improve flexible pavement service quality, reduce road accident rate and economic loss, ensure that mountain road traffic in winter in spring is fluent, protection people's life and property safety, Service Performance of Asphalt Pavement can also be maintained, increase the service life, reduce maintenance cost, reduce the harm using villaumite deicing salt on environment, there is good economic benefit, rational application geothermal energy is this renewable, the continuable energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is illustraton of model of the present invention;
Fig. 3 is tunnel cross-section schematic diagram;
Fig. 4 is functional-block diagram of the present invention.
Detailed description of the invention
Fig. 1 is structural representation of the present invention, and Fig. 2 is illustraton of model of the present invention; Fig. 3 is tunnel cross-section schematic diagram; Fig. 4 is functional-block diagram of the present invention; As shown in the figure: the deicing or snow melting system utilizing underground heat in tunnel of the present embodiment, comprises source pump 1, heating tube 2 and heat-exchange tube 3; Described heating tube 2 and heat-exchange tube 3 are communicated with source pump 1 respectively and form two separate circulation lines; Fluid in heating tube 2 and heat-exchange tube 3 provides by source pump 1 power that circulates and carries out interchange of heat by source pump 1; Heat-exchange tube 3 is embedded in tunnel and just serves as a contrast between two linings, heat-exchange tube 3 is arranged in the middle part of tunnel, its along tunnel length to size determine according to tunnel internal temperature, length can be got for ultra-long deep-buried tunnel as far as possible, after in the middle part of tunnel, just lining construction completes, start to arrange heat-exchange tube 3, heat-exchange tube 3 is in series by multiple pipe longitudinally arranged, its horizontal spacing is the optimal value according to calculating gained, heat-exchange tube 3 is covered with crown and the both sides abutment wall in tunnel, laid heat-exchange tube 3, Ying Qi and two serve as a contrast between the thick splash guard of 15mm is set; Heating tube 2 is arranged on tunnel portal and the outer road surface two of tunnel portal serves as a contrast 5cm ~ 15cm depth between insulation layer and below road surface, the geothermal energy resources that high-temperature geothermal district is abundant can be utilized, by the deicing or snow melting of road outside the geothermal applications in tunnel to tunnel portal heating and tunnel, can solve too high thermal field to the impact of Tunnel Stability dispels the heat to tunnel internal, reasonably can apply again this renewable, the continuable energy of geothermal energy, solve freezing damage in tunnel problem, reduce traffic safety hidden danger; Source pump 1 comprises provides the first circulation pump of power for circulating for heating tube 2 inner fluid, for the working machine providing the second circulation pump of power for heat-exchange tube 3 inner fluid circulates, the fluid be connected in chien shih two circulation line of two circulation lines carries out interchange of heat, be connected to working machine power intake for driving the engine of working machine work and for providing the drive energy of the energy for engine, certain first circulation pump and the second circulation pump also can be driven by engine.
In the present embodiment, also comprise the water collector 4 being connected to source pump 1 water inlet end and the water knockout drum 5 being connected to source pump 1 water side; Described water collector 4 and water knockout drum 5 are connected to heat-exchange tube 3 by corresponding header 6 and distributive pipe 7 makes water collector 4, header 6, heat-exchange tube 3, distributive pipe 7, water knockout drum 5 and source pump 1 form loop; Distributive pipe 7 and header 6 are arranged in tunnel insulation ditch, and source pump 1 and control device thereof are laid in the middle part of tunnel, the power of choose reasonable source pump 1 and each circulation pump; Namely one end of heat-exchange tube 3 is connected to the water inlet end of source pump 1 by header 6 and water collector 4, and the other end of heat-exchange tube 3 is connected to the water side of source pump 1 by distributive pipe 7 and water knockout drum 5, forms closed circuit.
In the present embodiment, described heating tube 2 is embedded in tunnel portal and the outer road 8 two of tunnel portal serves as a contrast between insulation layer and the depth of 5cm ~ 15cm below road surface; Described heat-exchange tube 3 is embedded in the middle part of tunnel 9 and just serves as a contrast between two linings; Heating tube 2 buried depth, quantity, spacing obtain according to numerical simulation analysis, respectively corresponding heating tube 2 and heat-exchange tube 3 arrange for the standard instrument shelter of measures ambient temperature and humidity to utilize the deicing or snow melting system of underground heat in tunnel also to comprise, adopt humiture integrative sensor, hang the mercurial thermometer that certainty of measurement is 0.1 DEG C in thermometer screen simultaneously, compare in order to the two data; Set temperature field measuring point in tunnel lining and top course, obtain temperature data, to control source pump 1 heating system, source pump 1 is earth source heat pump unit; Winter-spring season, before there is freeze injury in pavement of road outside tunnel portal and tunnel, will environmentally, the condition such as internal fluid temperature, ambient wind velocity, ambient humidity, solar radiation, determine whether the heating function opening earth source heat pump unit heating system, need according to actual needs, regulation output heat, the utilization of geothermal energy is made to reach optimization, summer and autumn, outside tunnel portal and tunnel, pavement of road can not freeze injury, but still have abundant geothermal energy in tunnel, at this moment according to the energy storage mechanism of system, realize the storage of complementary energy; Earth source heat pump unit heating system in operation is monitored, to understand the duty of each side, obtains the operating efficiency of Different periods system according to data; The traffic accident quantity that causes because road snow mantle is freezing and accident severity in investigation operation, compare with the traffic accident quantity of road outside the tunnel of equivalent environment of the same period and accident severity, draw earth source heat pump unit heating system superiority.
In the present embodiment, described heating tube 2 is U-shaped pipeline or S shape pipeline, as shown in Figure 1, adopts U-shaped pipeline or S shape pipeline configuration can increase the heating surface area of heating tube 2, improves geothermal energy utilization rate, ensure heating effect.
In the present embodiment, described heat-exchange tube 3 is S shape pipeline, and as shown in Figure 1, S shape pipeline can increase the contact heat-exchanging area of heat-exchange tube 3 and umbrella arch and both sides abutment wall, ensures tunnel antifreezing effect.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (5)
1. utilize a deicing or snow melting system for underground heat in tunnel, it is characterized in that: comprise source pump, heating tube and heat-exchange tube; Described heating tube and heat-exchange tube are communicated with source pump respectively and form two separate circulation lines; Fluid in heating tube and heat-exchange tube provides by source pump the power that circulates and carries out interchange of heat by source pump.
2. the deicing or snow melting system utilizing underground heat in tunnel according to claim 1, is characterized in that: also comprise the water collector being connected to source pump water inlet end and the water knockout drum being connected to source pump water side; Described water collector and water knockout drum are connected to heat-exchange tube by corresponding header and distributive pipe makes water collector, header, heat-exchange tube, distributive pipe, water knockout drum and source pump form loop.
3. the deicing or snow melting system utilizing underground heat in tunnel according to claim 1, is characterized in that: described heating tube is embedded in tunnel portal and the outer road two of tunnel portal serves as a contrast 5cm ~ 15cm depth between insulation layer and below road surface; Described heat-exchange tube is embedded in the middle part of tunnel and just serves as a contrast between two linings.
4. the deicing or snow melting system utilizing underground heat in tunnel according to claim 3, is characterized in that: described heating tube is U-shaped pipeline or S shape pipeline.
5. the deicing or snow melting system utilizing underground heat in tunnel according to claim 3, is characterized in that: described heat-exchange tube is S shape pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510053286.4A CN104594156B (en) | 2015-02-02 | 2015-02-02 | Utilize the deicing or snow melting system of underground heat in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510053286.4A CN104594156B (en) | 2015-02-02 | 2015-02-02 | Utilize the deicing or snow melting system of underground heat in tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104594156A true CN104594156A (en) | 2015-05-06 |
| CN104594156B CN104594156B (en) | 2017-08-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510053286.4A Active CN104594156B (en) | 2015-02-02 | 2015-02-02 | Utilize the deicing or snow melting system of underground heat in tunnel |
Country Status (1)
| Country | Link |
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| CN (1) | CN104594156B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20161177A1 (en) * | 2016-02-29 | 2017-08-29 | Torino Politecnico | Prefabricated modular energy concept, a lining for tunnels made with a plurality of such segments and a method for exchanging heat in a tunnel by providing a coating with a plurality of such segments |
| CN110273346A (en) * | 2019-08-01 | 2019-09-24 | 四川公路桥梁建设集团有限公司 | Tunnel portal section heat preservation system utilizing solar photovoltaic technology |
| CN110359334A (en) * | 2019-07-10 | 2019-10-22 | 苏交科集团股份有限公司 | The ice melting system of tunnel road surface |
| CN110670532A (en) * | 2019-10-18 | 2020-01-10 | 中国神华能源股份有限公司神朔铁路分公司 | Anti-freezing device and anti-freezing tunnel |
| CN111426085A (en) * | 2020-05-13 | 2020-07-17 | 西南科技大学 | Vertical type ground heat exchanger for preventing and treating frost heaving of roadbed |
| CN114657839A (en) * | 2022-05-07 | 2022-06-24 | 浙江华东工程建设管理有限公司 | Easily maintain road surface based on geothermol power water conservancy diversion |
| CN115095343A (en) * | 2022-06-21 | 2022-09-23 | 哈尔滨工业大学 | Assembled inflatable heat-insulation structure and system for ground source heat pump at tunnel portal in alpine region |
| EP4112878A1 (en) * | 2021-07-01 | 2023-01-04 | Eccus Sa | Aerothermal heat exchanger with integrated air drive for underground structures |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20161177A1 (en) * | 2016-02-29 | 2017-08-29 | Torino Politecnico | Prefabricated modular energy concept, a lining for tunnels made with a plurality of such segments and a method for exchanging heat in a tunnel by providing a coating with a plurality of such segments |
| WO2017149371A1 (en) * | 2016-02-29 | 2017-09-08 | Politecnico Di Torino | A prefabricated modular energy segment, a tunnel lining made with a plurality of such segments and a method for exchanging heat in a tunnel by making a lining with a plurality of such segments |
| CN110359334A (en) * | 2019-07-10 | 2019-10-22 | 苏交科集团股份有限公司 | The ice melting system of tunnel road surface |
| CN110273346A (en) * | 2019-08-01 | 2019-09-24 | 四川公路桥梁建设集团有限公司 | Tunnel portal section heat preservation system utilizing solar photovoltaic technology |
| CN110670532A (en) * | 2019-10-18 | 2020-01-10 | 中国神华能源股份有限公司神朔铁路分公司 | Anti-freezing device and anti-freezing tunnel |
| CN111426085A (en) * | 2020-05-13 | 2020-07-17 | 西南科技大学 | Vertical type ground heat exchanger for preventing and treating frost heaving of roadbed |
| CN111426085B (en) * | 2020-05-13 | 2021-06-22 | 西南科技大学 | Vertical type ground heat exchanger for preventing and treating frost heaving of roadbed |
| EP4112878A1 (en) * | 2021-07-01 | 2023-01-04 | Eccus Sa | Aerothermal heat exchanger with integrated air drive for underground structures |
| CN114657839A (en) * | 2022-05-07 | 2022-06-24 | 浙江华东工程建设管理有限公司 | Easily maintain road surface based on geothermol power water conservancy diversion |
| CN115095343A (en) * | 2022-06-21 | 2022-09-23 | 哈尔滨工业大学 | Assembled inflatable heat-insulation structure and system for ground source heat pump at tunnel portal in alpine region |
| CN115095343B (en) * | 2022-06-21 | 2023-09-22 | 哈尔滨工业大学 | Assembled type inflatable heat preservation structure and system for ground source heat pump at tunnel portal in alpine region |
Also Published As
| Publication number | Publication date |
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| CN104594156B (en) | 2017-08-01 |
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Address after: No. 1, Fuxing Avenue, Shuang Fu new area, Jiangjin District, Chongqing Patentee after: chongqing jiaotong university Address before: 400074 Chongqing Nan'an District University Avenue, No. 66 Patentee before: chongqing jiaotong university |