CN106437792A - Inverted arc layer buried geothermal anti-freezing heating system of energy tunnel - Google Patents
Inverted arc layer buried geothermal anti-freezing heating system of energy tunnel Download PDFInfo
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- CN106437792A CN106437792A CN201611164861.9A CN201611164861A CN106437792A CN 106437792 A CN106437792 A CN 106437792A CN 201611164861 A CN201611164861 A CN 201611164861A CN 106437792 A CN106437792 A CN 106437792A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 238000007710 freezing Methods 0.000 title abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000005439 thermosphere Substances 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 7
- 238000004904 shortening Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000009746 freeze damage Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000000284 extract Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 206010002961 Aplasia Diseases 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 241000372132 Hydrometridae Species 0.000 description 1
- XLYOFNOQVPJJNP-PWCQTSIFSA-N Tritiated water Chemical compound [3H]O[3H] XLYOFNOQVPJJNP-PWCQTSIFSA-N 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002595 cold damage Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Sustainable Development (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Road Paving Structures (AREA)
Abstract
Provided is an inverted arc layer buried geothermal anti-freezing heating system of energy tunnel. The system comprises a tunnel heat exchange section and a tunnel heating section. In the tunnel section corresponding to the tunnel heat exchange section, a heat exchange layer is placed between the tunnel inverted arc and a refilled layer. A first inlet water hole is communicated with a first water feeding pipe. A first outlet water hole of the heat exchange layer is communicated with a first return water pipe. The first water feeding pipe and the first return water pipe are both connected with the front end of a heating pump to form heat exchange circulation pipeline. In the tunnel section corresponding to the tunnel heating section, a heating layer is placed both between a tunnel primary liner and a tunnel secondary liner, and between a road surface and the refilled layer. A second inlet water hole of the heating layer is communicated with a second water feeding pipe. A second return water hole is communicated with a second water return pipe. Both the second water feeding pipe and the second water return pipe are connected with the rear end of the heating pump to form a heat circulation pipeline. The system has the advantage of having good adaptability and high efficiency of heat exchange, saving cost and shortening construction cycle.
Description
Technical field
The present invention relates to tunnel surrounding field, a kind of especially buried ground temperature of energy tunnel inverted arch layer can antifreeze heating system
System is it is adaptable to regional tunnel-liner behind is educated in subsoil water aplasia and owing and inverted arch bottom country rock ground temperature can extract and right
The road surface in tunnel and lining cutting are heated.
Background technology
In recent years, fast-developing with China's transport development, the quantity of tunnel in cold area grows with each passing day, but in tunnel in cold area
Freeze injury problem becomes increasingly conspicuous, part newly built tunnels come into operation after soon, just there occurs freeze injury on a large scale, had a strong impact on tunnel
Traffic safety.Investigation discovery is carried out to the highway in cold region tunnel of operation, in tunnel in cold area, has more than 80% all to there is freeze injury now
As, the slight freeze injury phenomenon such as wherein about 60% generation percolating water, about 24% lining concrete peeling, cracking, slump, depression
Deng serious cold damage problem.Tunnel in cold area can not chronically solve the frost heave of tunnel in cold area using conventional heater by service at present
With the disease problem such as freeze, and have the shortcomings that energy consumption is big, high the showing of operation cost using the active heating measure of electrical heating method
Shape, is badly in need of the novel anti-freezing heating system of exploitation energy-conserving and environment-protective.
The soil moisture in earth superficial layer hundreds of meters is in increasing trend with depth, and depth often increases by 100 meter temperature rises
High about 3-5 DEG C, the ground temperature at 1000 meters of underground is about 40-50 DEG C, stores huge in the mountain tunnel country rock of buried depth hundreds of meters
Ground temperature energy.Can be heated to the tunnel-liner positioned at hole end and road surface using the ground temperature in tunnel surrounding, can
Solve tunnel in cold area freeze injury, also energy-conserving and environment-protective, realize tunnel in cold area heat supply " self-sufficient ".
Ground temperature energy in the country rock of tunnel-liner behind can be by way of directly collecting GEOTHERMAL WATER in tunnel surrounding
Come to extract it is also possible to tunnel double-lining and first serve as a contrast between embedded heat-exchange tube, by the heat transfer cycle medium in pipe and country rock it
Between the temperature difference extract tunnel surrounding ground temperature energy.But GEOTHERMAL WATER collection technique is only applicable to the area of rich groundwater, in subsoil water
Measure little or no subsoil water area then cannot apply.Huge ground temperature energy is also stores, due to residing position in the country rock of inverted arch bottom
The difference put, the ground temperature in the country rock of inverted arch bottom can then be difficult to obtain by collecting GEOTHERMAL WATER, can be by inverted arch
The mode that heat exchange pipe is laid in portion extracts geothermal energy, extracts tunnel using the temperature difference between the heat transfer cycle medium in pipe and country rock
Road country rock geothermal energy.Although extracting the ground temperature energy in tunnel surrounding using heat-exchange tube not limited by subsoil water development condition,
Laying heat-exchange tube increased construction cost, and heat-exchange tube belongs to wire thermal source, and its heat exchange efficiency is very limited.
Content of the invention
In order to overcome existing tunnel country rock GEOTHERMAL WATER collect technology cannot be applied to subsoil water owe educate and aplasia area,
And also the ground temperature energy in the country rock of inverted arch bottom cannot be extracted；Though laying heat-exchange tube technology is not limited by subsoil water development condition
System, but heat-exchange tube belongs to wire thermal source, and its exchange capability of heat is limited, and laying heat exchange pipe can increase engineering-built cost etc.
A difficult problem, a kind of present invention suitability of offer is good, heat exchange efficiency is higher, cost-effective and energy tunnel that is saving construction period is faced upward
Arch layer buried ground temperature energy freeze-proof heating system.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of buried ground temperature energy freeze-proof heating system of energy tunnel inverted arch layer, this tunnel include lining at the beginning of tunnel, tunnel double-lining,
Tunnel inverted arch and road surface, upper pavement surface is lining and tunnel double-lining at the beginning of described tunnel, is backfill layer below road surface, described backfill layer position
On described tunnel inverted arch, described ground temperature energy freeze-proof heating system includes tunnel heat exchanging segment and tunnel bringing-up section,
In the corresponding tunnel of described tunnel heat exchanging segment, heat exchange layers, institute are set between described tunnel inverted arch and backfill layer
The first water inlet stating heat exchange layers is connected with the first feed pipe, and the first outlet of described heat exchange layers and the first return pipe are even
Lead to, described first feed pipe and the first return pipe are all connected formation recuperated cycle pipeline with heat pump front end；
In the corresponding tunnel of described tunnel bringing-up section, at the beginning of tunnel lining and tunnel double-lining between, described road surface and backfill layer it
Between be respectively provided with and supply thermosphere, the second water inlet of described confession thermosphere is connected with the second feed pipe, the second water return outlet of described confession thermosphere
Connect with the second return pipe, described second feed pipe and the second recovery tube are connected formation heating cycle pipeline with heat pump rear end.
Further, heat exchange waterproof layer is set above described heat exchange layers.
Further, described heat exchange waterproof layer is connected with the bottom surface of described backfill layer.
Further, the confession thermosphere below road surface is respectively provided with waterproof layer under heat supply up and down, inside and outside the confession thermosphere of upper pavement surface
Waterproof layer in setting heat supply.
Preferably, serve as a contrast at the beginning of described upper waterproof layer and tunnel between drainage blanket is set.
Described heat exchange layers and for setting sealing cut-off in thermosphere, described sealing cut-off by described heat exchange layers and supplies thermosphere
Carry out subregion, each subregion connects formation closed circulation subsystem respectively with respective feed pipe and recovery tube.
Preferably, one end of described sealing cut-off is provided with breach, mutually passes through with the adjacent subregion of sealing jaggy cut-off
Logical.
Further, the breach dislocation arrangement of adjacent sealing cut-off.Random length can be obtained by setting up breach quantity
Heat exchanger.
Described heat exchange layers and for filling seepy material in thermosphere, can form pervious bed.
Described backfill layer is light phase transition insulation coagulation soil backfill layer.
The technology design of the present invention is：In view of existing laying heat-exchange tube technology belongs to wire thermal source, its exchange capability of heat
Limited, and laying heat exchange pipe can increase engineering-built cost.The present invention proposes a kind of new ground temperature energy extractive technique.Should
Technology inverted arch top arrange heat exchange layers, be filled with seepy material in heat exchange layers, heat exchange layers respectively with feed pipe and time
Water pipe is tightly connected, and forms the circulating heat exchange system of closing, is extracted in tunnel surrounding by heat exchange in the layer circulation of fluid
Ground temperature energy, can be lifted to the ground temperature extracting through earth source heat pump equipment, by heat supplying pipeline, tunnel-liner and road surface be carried out
Heating.
Described heat exchange layers and with for, in each subregion of thermosphere, sealing positioned at both sides separates elongated arrangement, and is located at
One section of setting breach of middle cut-off, is mutually communicated with the adjacent subregion of sealing jaggy cut-off；The breach of sealing cut-off sets
It is set to interlaced arrangement, set up heat exchanger and the heater that breach quantity can obtain random length.
Beneficial effects of the present invention are mainly manifested in：
(1) present invention enables tunnel portal section lining cutting and road-surface heating using the ground temperature in tunnel surrounding, with tradition electricity
Heating is compared, this technology energy-saving and environment friendly, greatly reduces tunnel operation maintenance cost；
(2) the buried heat exchanger of layer utilizes the heat transfer medium of heat exchange layers internal circulation flow to extract the ground temperature in tunnel surrounding
Can, the passive extractive technique solving traditional collection GEOTHERMAL WATER can be only applied to the tunnel of rich groundwater, educate for owing
A tunnel then inapplicable difficult problem for no subsoil water；
(3) layer embedded type heat exchanger and belong to planar thermal source for thermosphere, and the buried heat exchanger of traditional pipe and heating tube
Belong to wire thermal source, so, the layer buried heat exchanger heat exchange efficiency of the present invention is higher, and the heats for thermosphere are more preferable；
(4) the buried heat exchanger of layer and tunnel structure form integrated, and construction technology is simple, need not lay heat exchange pipe,
A large amount of construction costs are saved.
Brief description
Fig. 1 is energy tunnel inverted arch layer buried ground temperature energy freeze-proof heating system composition figure.
Fig. 2 is heat exchanging segment cross-sectional view.
Fig. 3 is heat exchange layers plane outspread drawing.
Fig. 4 is bringing-up section cross-sectional view.
Fig. 5 is heat supply layer plane expanded view.
In figure, 1 is tunnel double-lining；2 is inverted arch；3 is heat exchange layers；4 is heat exchange waterproof layer；5 is backfill layer；6 is insulation
Plate；7 is the first feed pipe；8 is the first return pipe；9 is connecting tube；10 is the first water inlet；11 is the first outlet；Till 12
Water separates；13 is heat exchanging segment；14 is bringing-up section；15 is water pipe ditch；16 is to serve as a contrast at the beginning of tunnel；17 is to supply thermosphere；18 is the second water supply
Pipe；19 is the second return pipe；20 drainage blankets；21 is waterproof layer in heat supply；22 is waterproof layer under heat supply；23 is the second water inlet；
24 is the second outlet；25 is heat pump；26 is road surface.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
With reference to Fig. 1～Fig. 5, a kind of buried ground temperature energy freeze-proof heating system of energy tunnel layer, this tunnel includes lining at the beginning of tunnel
16th, tunnel double-lining 1, tunnel inverted arch and road surface 26, road surface 26 top lining 1 and tunnel double-lining 16 at the beginning of described tunnel, under road surface 26
Side is backfill layer 5, and described backfill layer 5 is located on described tunnel inverted arch, and described ground temperature energy freeze-proof heating system includes tunnel heat exchange
Section 13 and tunnel bringing-up section 14,
In the corresponding tunnel of described tunnel heat exchanging segment 13, heat exchange layers are set between described tunnel inverted arch and backfill layer 5
3, the first water inlet 10 of described heat exchange layers 3 is connected with the first feed pipe 7, the first outlet 11 of described heat exchange layers 3 with
First return pipe 8 connects, and described first feed pipe 7 and the first return pipe 8 are all connected formation recuperated cycle pipe with heat pump 25 front end
Road；
In the corresponding tunnel of described tunnel bringing-up section, at the beginning of tunnel lining 16 and tunnel double-lining 1 between, road surface 26 and backfill layer 5
Between be respectively provided with for thermosphere 17, between upper pavement surface, the confession thermosphere 17 of lower section connect, the second water inlet 23 of described confession thermosphere 17
Connect with the second feed pipe 18, the second water return outlet 24 of described confession thermosphere 17 is connected with the second return pipe 19, described second water supply
Pipe 18 and the second recovery tube 19 are connected formation heating cycle pipeline with heat pump 25 rear end.
Further, described heat exchange layers 3 top setting heat exchange waterproof layer 4.
Further, described heat exchange waterproof layer 4 is connected with the bottom surface of described backfill layer 5.
Further, the confession thermosphere below road surface is respectively provided with waterproof layer 22 under heat supply, the confession thermosphere of upper pavement surface about 17
Waterproof layer 21 in 17 inside and outside setting heat supplies.
Preferably, serve as a contrast setting drainage blanket 20 between 1 at the beginning of waterproof layer 21 and tunnel in described heat supply.
Described heat exchange layers 3 and for setting sealing cut-off 12 in thermosphere 17, described sealing cut-off 12 is by described heat exchange layers 3
Carry out subregion with for thermosphere 17, each subregion connects formation closed circulation subsystem respectively with respective feed pipe and recovery tube.
Preferably, one end of described sealing cut-off 12 is provided with breach, mutual with the adjacent subregion of sealing jaggy cut-off
Insertion.
Further, the breach dislocation arrangement of adjacent sealing cut-off 12.By set up breach quantity can obtain arbitrarily long
The heat exchanger of degree.
Described heat exchange layers 3 and for filling seepy material in thermosphere 17, can form pervious bed.
Described backfill layer 5 is light phase transition insulation coagulation soil backfill layer.
Fill in the xoncrete structure of described tunnel double-lining 1 for limiting heat transfer between air in High-geotemperature country rock and hole
Phase-change material.
The inwall setting warming plate 6 of described tunnel double-lining 1.
The two ends on described road surface are provided with water pipe ditch 15, and described first feed pipe 7 and the first return pipe 8 are located at described water pipe ditch
In 15.Between first water inlet of described heat exchange layers and the first feed pipe, first outlet and first of described heat exchange layers
All connected by connecting tube 9 before return pipe.
The energy tunnel inverted arch layer buried ground temperature energy freeze-proof heating system of the present embodiment, this system is by tunnel surrounding ground temperature energy
Heat exchanging segment, heat pump and tunnel bringing-up section composition.Heat exchanging segment is made up of inverted arch, backfill layer and road surface, and on inverted arch top, setting heat is handed over
Change layer.First water inlet of heat exchange layers is connected with the first feed pipe, and the first outlet of heat exchange layers and the first return pipe are even
Logical；Described first feed pipe and the first return pipe are connected with heat pump front end, and form closing takes thermal cycle pipeline.
Tunnel bringing-up section is made up of lining cutting bringing-up section and road-surface heating section, and lining cutting bringing-up section serves as a contrast at the beginning of including, two serve as a contrast and is incubated
Plate, setting between lining at the beginning of tunnel and two linings supplies thermosphere；Road-surface heating section includes backfilling layer and road surface, backfill layer and road surface it
Between setting supply thermosphere；The second water inlet for thermosphere is connected with the second feed pipe, the second outlet for thermosphere and the second backwater
Pipe connects, and the second feed pipe and the second return pipe are connected with heat pump end, forms the heating cycle pipeline of closing.
Heat exchange layers setting heat exchange waterproof layer below road surface, heat exchange waterproof layer is located between heat exchange layers and backfill layer；
Lining cutting supplies the confession thermosphere of hot arc inside and outside setting heat supply waterproof layer, first serve as a contrast and for thermosphere between injection setting injection row
Water layer and injection waterproof layer, setting injection waterproof layer between heat exchange layers and two linings；The confession thermosphere of road-surface heating section sets up and down
Put waterproof layer, backfilling layer and supplying setting injection waterproof layer between thermosphere, spraying waterproof layer for setting between thermosphere and road surface；
Heat exchange layers and for being respectively provided with sealing cut-off in thermosphere, are carried out point to heat exchange layers with for thermosphere using sealing cut-off
Area；In each subregion, the sealing positioned at both sides separates elongated arrangement, and is located at cut-off one end setting breach of centre, with scarce
The subregion that the sealing cut-off of mouth is adjacent is mutually communicated；The breach of sealing cut-off wants interlaced arrangement, and setting up breach quantity can obtain
The heat exchanger of random length.
The work progress of the energy tunnel inverted arch layer buried ground temperature energy freeze-proof heating system of the present embodiment is：
1. on the inverted arch top of tunnel heat exchanging segment, sealing cut-off is installed, pours into a mould seepy material, perform heat exchange layers；Hand in heat
Change layer top and perform heat exchange waterproof layer, fill light-weight soils between road surface and waterproof layer；
2. first feed pipe and the first return pipe are installed, are connected and sealed with heat exchange layers；
3. flatten light weight earthen backfill layer in tunnel road surface bringing-up section, perform injection waterproof layer, waterproof layer under heat supply is pacified
Dress sealing cut-off, and spray seepy material, heat supply for construction layer；Spray waterproof material above for thermosphere, perform waterproof under heat supply
Layer, and backfill light-weight soils；Perform supercrust；
4. in the first lining surface injection seepy material of tunnel-liner bringing-up section, perform drainage blanket.Pervious bed spray anti-
Water material, waterproof layer on heat supply for construction；Sealing cut-off is installed on waterproof layer in heat supply, sprays seepy material, perform and supply thermosphere.
Spray waterproof material on for thermosphere, perform waterproof layer, cast two lining concrete, warming plate is installed.
5. second feed pipe and the second return pipe are installed, are connected and sealed with for thermosphere；
6. the first feed pipe of tunnel heat exchanging segment and the first return pipe are connected with heat pump front end, form heat exchange sealing circulation
Pipeline；Second feed pipe of tunnel bringing-up section and the second return pipe are connected with heat pump end, are formed and supply heat seal circulation line.
Claims (10)
1. the buried ground temperature energy freeze-proof heating system of a kind of energy tunnel inverted arch layer, this tunnel includes lining, tunnel double-lining, tunnel at the beginning of tunnel
Road inverted arch and road surface, upper pavement surface is lining and tunnel double-lining at the beginning of described tunnel, is backfill layer below road surface, and described backfill layer is located at
On described tunnel inverted arch it is characterised in that：Described ground temperature energy freeze-proof heating system includes tunnel heat exchanging segment and tunnel bringing-up section,
In the corresponding tunnel of described tunnel heat exchanging segment, heat exchange layers, described heat are set between described tunnel inverted arch and backfill layer
First water inlet of switching layer is connected with the first feed pipe, and the first outlet of described heat exchange layers is connected with the first return pipe,
Described first feed pipe and the first return pipe are all connected formation recuperated cycle pipeline with heat pump front end；
In the corresponding tunnel of described tunnel bringing-up section, at the beginning of tunnel lining and tunnel double-lining between, road surface and backfill layer between be respectively provided with
For thermosphere, the second water inlet of described confession thermosphere is connected with the second feed pipe, the second water return outlet of described confession thermosphere and second time
Water pipe connects, and described second feed pipe and the second recovery tube are connected formation heating cycle pipeline with heat pump rear end.
2. the buried ground temperature energy freeze-proof heating system of energy tunnel as claimed in claim 1 inverted arch layer it is characterised in that：Described heat
Heat exchange waterproof layer is set above switching layer.
3. the buried ground temperature energy freeze-proof heating system of energy tunnel as claimed in claim 2 inverted arch layer it is characterised in that：Described change
Hot waterproof layer is connected with the bottom surface of described backfill layer.
4. the energy tunnel inverted arch layer buried ground temperature energy freeze-proof heating system as described in one of claims 1 to 3, its feature exists
In：Confession thermosphere below road surface is respectively provided with waterproof layer under heat supply, waterproof in the confession thermosphere inside and outside setting heat supply of upper pavement surface up and down
Layer.
5. the buried ground temperature energy freeze-proof heating system of energy tunnel as claimed in claim 4 inverted arch layer it is characterised in that：Described confession
Between serving as a contrast at the beginning of waterproof layer and tunnel in heat, drainage blanket is set.
6. the energy tunnel inverted arch layer buried ground temperature energy freeze-proof heating system as described in one of claims 1 to 3, its feature exists
In：Described heat exchange layers and for setting sealing cut-off in thermosphere, described sealing cut-off is carried out by described heat exchange layers with for thermosphere
Subregion, each subregion connects formation closed circulation subsystem respectively with respective feed pipe and recovery tube.
7. the buried ground temperature energy freeze-proof heating system of energy tunnel as claimed in claim 6 inverted arch layer it is characterised in that：Described only
One end of water cut-off is provided with breach, is mutually communicated with the adjacent subregion of sealing jaggy cut-off.
8. the buried ground temperature energy freeze-proof heating system of energy tunnel as claimed in claim 7 inverted arch layer it is characterised in that：Adjacent only
The breach dislocation arrangement of water cut-off.
9. the energy tunnel inverted arch layer buried ground temperature energy freeze-proof heating system as described in one of claims 1 to 3, its feature exists
In：Described heat exchange layers and for filling seepy material in thermosphere.
10. the energy tunnel inverted arch layer buried ground temperature energy freeze-proof heating system as described in one of claims 1 to 3, its feature exists
In：Described backfill layer is incubated backfill layer for light-weight soils.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611164861.9A CN106437792A (en) | 2016-12-16 | 2016-12-16 | Inverted arc layer buried geothermal anti-freezing heating system of energy tunnel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611164861.9A CN106437792A (en) | 2016-12-16 | 2016-12-16 | Inverted arc layer buried geothermal anti-freezing heating system of energy tunnel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654244A (en) * | 2017-11-20 | 2018-02-02 | 金陵科技学院 | A kind of earth source heat pump underground tunnel structure and construction method |
| CN109441481A (en) * | 2018-11-21 | 2019-03-08 | 中铁十局集团第五工程有限公司 | A kind of tunnel lining structure of High aititude cold district freeze thawing resistance disaster |
| CN109588167A (en) * | 2018-12-21 | 2019-04-09 | 钟明辉 | A kind of garden soil winterized equipment |
| CN110319622A (en) * | 2019-05-15 | 2019-10-11 | 宁波工程学院 | High thermal conductivity earth temperature energy hot switching tunnel system and its construction method |
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