CN206397518U - The buried earth temperature energy hot switch of energy tunnel-liner layer - Google Patents
The buried earth temperature energy hot switch of energy tunnel-liner layer Download PDFInfo
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- CN206397518U CN206397518U CN201621382290.1U CN201621382290U CN206397518U CN 206397518 U CN206397518 U CN 206397518U CN 201621382290 U CN201621382290 U CN 201621382290U CN 206397518 U CN206397518 U CN 206397518U
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- tunnel
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- 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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Abstract
A kind of buried earth temperature energy hot switch of energy tunnel-liner layer, the tunnel includes lining and tunnel double-lining at the beginning of tunnel, it is characterised in that：Heat exchange layers are set between lining and tunnel double-lining at the beginning of the tunnel, described heat exchange layers one end is connected with feed pipe, the heat exchange layers other end is connected with return pipe, the feed pipe and return pipe are connected to form closed circulation pipeline with user terminal or heat pump, and the heat exchange layers are inside and outside to set waterproof layer.The utility model provides the buried earth temperature energy hot switch of energy tunnel-liner layer that a kind of applicability is good, heat exchange efficiency is higher, saves cost and saves construction period.
Description
Technical field
The utility model is related to tunnel surrounding field, and a kind of especially buried earth temperature energy hot of energy tunnel-liner layer exchanges dress
Put.
Background technology
The soil moisture in hundreds of meters of earth superficial layer 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 that hundreds of meters of buried depth
Ground temperature energy.Existing tunnel surrounding ground temperature energy extractive technique has two kinds, and a kind of is the direct GEOTHERMAL WATER collected in tunnel surrounding,
The technology belongs to passive extractive technique, but the technology is only applicable to the area of rich groundwater, small or without underground in groundwater run off
The area of water can not then be applied；Another is to bury heat-exchange tube between tunnel double-lining and just lining, passes through the heat transfer in pipe
The temperature difference between circulatory mediator and country rock extracts tunnel surrounding ground temperature energy, and the technology belongs to active extractive technique, not climate bar
Part is limited, but the technology needs extra laying heat exchange pipe, increase construction cost and construction period, heat-exchange tube tube wall heat conduction
Property is not good, causes the heat exchange efficiency of heat-exchange tube low.
The content of the invention
In order to overcome existing tunnel country rock ground temperature can passive extractive technique be not suitable for underground water and owe to educate and agensis
Area, and active extractive technique needs to increase the problem such as construction cost and construction period, the utility model provides a kind of applicability
Well, the buried earth temperature energy hot switch of energy tunnel-liner layer that heat exchange efficiency is higher, saves cost and saves construction period.
The utility model solves the technical scheme that its technical problem used：
A kind of buried earth temperature energy hot switch of energy tunnel-liner layer, the tunnel includes lining and tunnel double-lining at the beginning of tunnel,
Heat exchange layers are set between lining and tunnel double-lining at the beginning of the tunnel, described heat exchange layers one end is connected with feed pipe, the heat
The switching layer other end is connected with return pipe, and the feed pipe and return pipe are connected to form closed circulating tube with user terminal or heat pump
Road, the heat exchange layers are inside and outside to set waterproof layer.
Further, injection waterproof layer, the heat exchange layers and tunnel two are set at the beginning of the tunnel between lining and heat exchange layers
Water -proof Membrane is set between lining.It is of course also possible to use other waterproof types.
Further, the feed pipe and return pipe are located at the arch springing of tunnel both sides respectively.
It is preferred that, waterproof base is set at the arch springing of the tunnel both sides, and the feed pipe and return pipe are located at institute respectively
State on waterproof base.
Further, sealing company is carried out by rubber fastening band and bolt between the waterproof base and Water -proof Membrane
Connect.
Sealing is set to separate in the heat exchange layers, the heat exchange layers are carried out subregion, Mei Gefen by the sealing cut-off
Area connects to form closed circulation subsystem with respective feed pipe and return pipe respectively.
It is preferred that, one end of the sealing cut-off is provided with breach, and separating adjacent subregion with sealing jaggy mutually passes through
It is logical.
Further, the breach dislocation arrangement of adjacent sealing cut-off.Random length can be obtained by setting up breach quantity
Heat exchanger.
Filling seepy material, can form pervious bed in the heat exchange layers.
Filled in the concrete structure of the tunnel double-lining for limiting what is conducted heat in High-geotemperature country rock and hole between air
Phase-change material.
The inwall of the tunnel double-lining sets warming plate.
Technical concept of the present utility model is：One layer of heat exchange layers are set up between tunnel double-lining and just lining, water supply is utilized
Pipeline and water return pipeline constitute the circulating heat exchange system of closing with heat exchange layers, and tunnel is extracted by the circulation of fluid in heat exchange layers
Ground temperature energy in road country rock.In order to improve the heat exchange efficiency of fluid in heat exchange layers, heat exchange layers carry out subregion setting, recycle stream
Body is in respective region internal circulation flow；By laying certain thickness heat-insulation layer in two lining inner surfaces, and concrete is served as a contrast two
Admixture phase-change material is limited in High-geotemperature country rock and hole in structure conducts heat between air, it is to avoid ground temperature can be lost in.
In each subregion of the heat exchange layers, the sealing positioned at both sides separates elongated arrangement, and positioned at middle cut-off
One section of setting breach, separates adjacent subregion with sealing jaggy and is mutually communicated；The breach of sealing cut-off is set to staggeredly cloth
Put, the heat exchanger of random length can be obtained by setting up breach quantity.
The beneficial effects of the utility model are mainly manifested in：By performing heat exchange layers between tunnel double-lining and just lining,
The ground temperature energy in tunnel surrounding is extracted using the heat transfer medium circulated in heat exchange layers, with traditional collection GEOTHERMAL WATER
Passive extractive technique is compared, and the passive extractive technique of traditional collection GEOTHERMAL WATER can be only applied to the tunnel of rich groundwater, right
Do not applied to then in owing the tunnel educated and without underground water, the system active recharge groundwater extracts the ground temperature energy in tunnel surrounding,
The system belongs to active extractive technique, and suitable exploitation is owed the tunnel ground temperature educated and without underground water area and can exploited；With it is traditional
The active extractive technique of embedded heat-exchange tube system is compared, and the water that circulates in heat exchange layers directly absorbs ground temperature in country rock
Can, heat exchange efficiency is higher.The system need not lay heat-exchange tube, save substantial amounts of construction cost, saved the construction period.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the buried earth temperature energy hot switch of energy tunnel-liner layer
Fig. 2 is heat exchange layers plane outspread drawing.
Fig. 3 is that waterproof base and Water -proof Membrane are tightly connected figure.
1 serves as a contrast at the beginning of tunnel in figure；2 be injection waterproof layer；3 be heat exchange layers；4 be Water -proof Membrane；5 be tunnel double-lining
Phase change concrete；6 be warming plate；7 be feed pipe；8 be return pipe；9 be waterproof base；10 be water inlet；11 be delivery port；12
For sealing barrier；13 be water pump；14 be user terminal；15 be rubber fastening band；16 be bolt.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
1~Fig. 3 of reference picture, the buried earth temperature energy hot switch of a kind of energy tunnel-liner layer, at the beginning of the tunnel includes tunnel
Lining 1 and tunnel double-lining 5, heat exchange layers 3, described one end of heat exchange layers 3 are set at the beginning of the tunnel between lining 1 and tunnel double-lining 5
Connected with feed pipe 7, the other end of heat exchange layers 3 is connected with return pipe 8, the feed pipe 7 and return pipe 8 are and user terminal
Or heat pump connects to form closed circulation pipeline, the heat exchange layers 5 are inside and outside to set waterproof layer.
Further, injection waterproof layer 2, the heat exchange layers 3 and tunnel are set at the beginning of the tunnel between lining 1 and heat exchange layers 3
Water -proof Membrane 4 is set between the lining of road two 5.It is of course also possible to use other waterproof types.
Further, the feed pipe 7 and return pipe 8 are located at the arch springing of tunnel both sides respectively.
It is preferred that, waterproof base 9 is set at the arch springing of the tunnel both sides, and the feed pipe and return pipe are located at institute respectively
State on waterproof base 9.
Further, carried out between the waterproof base 9 and Water -proof Membrane 4 by rubber fastening band 15 and bolt 16
It is tightly connected.
Sealing is set to separate 12 in the heat exchange layers 3, the heat exchange layers are carried out subregion by the sealing cut-off 12, often
Individual subregion connects to form closed circulation subsystem with respective feed pipe and return pipe respectively.
It is preferred that, one end of the sealing cut-off 12 is provided with breach, and it is mutual to separate adjacent subregion with sealing jaggy
Insertion.
Further, the breach dislocation arrangement of adjacent sealing cut-off.Random length can be obtained by setting up breach quantity
Heat exchanger.
Filling seepy material, can form pervious bed in the heat exchange layers 3.
Filled in the concrete structure of the tunnel double-lining 6 for limiting what is conducted heat in High-geotemperature country rock and hole between air
Phase-change material.
The inwall of the tunnel double-lining 5 sets warming plate 6.
The buried earth temperature energy hot switch of energy tunnel-liner layer of the present embodiment, by injection waterproof layer, heat exchange layers, stops
Water cut-off, feed pipe, return pipe, prefabricated waterproof base, rubber fastening band, bolt and water pump composition, heat exchange layers are located at tunnel
Just between lining and two linings, heat exchange layers both sides perform waterproof layer respectively, and injection waterproof layer is performed between first lining and heat exchange layers,
Water -proof Membrane is laid between heat exchange layers and two linings；
Subregion is carried out to heat exchange layers using sealing cut-off, the heat exchange layers of each subregion are entered with feed pipe and return pipe respectively
Row connection forms closed cycle system, and the combining form separated by changing sealing can obtain the heat exchanger of random length；
Feed pipe and return pipe are located on the waterproof base at the arch springing of tunnel both sides respectively, and waterproof base is precast concrete
Component；
It is connected and sealed between waterproof base and Water -proof Membrane by rubber fastening band and bolt.
The work progress of the buried earth temperature energy hot switch of energy tunnel-liner layer of the present embodiment is as follows：
1. served as a contrast at the beginning of construction tunnel, concrete prefabricated waterproof base is installed at tunnel arch foot, on tunnel Chu Chen surfaces and anti-
Certain thickness injection waterproof layer is performed on water-bed seat；
2. sealing cut-off is installed on injection waterproof layer, subregion is carried out to heat exchange layers；
3. feed pipe and return pipe are installed on waterproof base；
4. heat exchange layers are performed；
5. Water -proof Membrane is installed, Water -proof Membrane and waterproof base are carried out using rubber fastening band and bolt close
Envelope connection；
6. tunnel double-lining phase change concrete is poured into a mould；
7. tunnel insulation plate and fire-proof plate are installed.
In actual applications, if ground temperature is higher, directly apply, i.e., be connected to be formed with user terminal by water circulating pump and follow
Endless tube road；If ground temperature is not high enough, it is impossible to directly utilize, then need heat-pump apparatus to be lifted, i.e. feed pipe and return pipe and heat pump
Connection forms circulation line.
Claims (9)
1. a kind of buried earth temperature energy hot switch of energy tunnel-liner layer, the tunnel includes lining and tunnel double-lining at the beginning of tunnel, its
It is characterised by：Heat exchange layers are set at the beginning of the tunnel between lining and tunnel double-lining, and described heat exchange layers one end connects with feed pipe
Logical, the heat exchange layers other end is connected with return pipe, and the feed pipe and return pipe are connected to be formed with user terminal or heat pump
Closed circulation pipeline, the heat exchange layers are inside and outside to set waterproof layer.
2. the buried earth temperature energy hot switch of energy tunnel-liner layer as claimed in claim 1, it is characterised in that：The tunnel
Injection waterproof layer is just set between lining and heat exchange layers, Water -proof Membrane is set between the heat exchange layers and tunnel double-lining.
3. the buried earth temperature energy hot switch of energy tunnel-liner layer as claimed in claim 1 or 2, it is characterised in that：It is described
Feed pipe and return pipe are respectively at the arch springing of tunnel both sides.
4. the buried earth temperature energy hot switch of energy tunnel-liner layer as claimed in claim 3, it is characterised in that：The tunnel
Waterproof base is set at the arch springing of both sides, and the feed pipe and return pipe are located on the waterproof base respectively.
5. the buried earth temperature energy hot switch of energy tunnel-liner layer as claimed in claim 3, it is characterised in that：The waterproof
It is connected and sealed between base and Water -proof Membrane by rubber fastening band and bolt.
6. the buried earth temperature energy hot switch of energy tunnel-liner layer as claimed in claim 1 or 2, it is characterised in that：It is described
Set sealing to separate in heat exchange layers, the heat exchange layers are carried out subregion by the sealing cut-off, each subregion respectively with each
Feed pipe connect to form closed circulation subsystem with recovery tube.
7. the buried earth temperature energy hot switch of energy tunnel-liner layer as claimed in claim 6, it is characterised in that：The sealing
One end of cut-off is provided with breach, and separating adjacent subregion with sealing jaggy is mutually communicated.
8. the buried earth temperature energy hot switch of energy tunnel-liner layer as claimed in claim 7, it is characterised in that：Adjacent sealing
The breach dislocation arrangement of cut-off.
9. the buried earth temperature energy hot switch of energy tunnel-liner layer as claimed in claim 1 or 2, it is characterised in that：It is described
Filling seepy material in heat exchange layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382290.1U CN206397518U (en) | 2016-12-16 | 2016-12-16 | The buried earth temperature energy hot switch of energy tunnel-liner layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382290.1U CN206397518U (en) | 2016-12-16 | 2016-12-16 | The buried earth temperature energy hot switch of energy tunnel-liner layer |
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| CN206397518U true CN206397518U (en) | 2017-08-11 |
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| CN201621382290.1U Active CN206397518U (en) | 2016-12-16 | 2016-12-16 | The buried earth temperature energy hot switch of energy tunnel-liner layer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522999A (en) * | 2016-12-16 | 2017-03-22 | 绍兴文理学院 | Energy tunnel lining layer embedded ground temperature energy heat exchange system |
| JP2021501294A (en) * | 2018-08-09 | 2021-01-14 | 青島理工大学Ｑｉｎｇｄａｏ Ｕｎｉｖｅｒｓｉｔｙ Ｏｆ Ｔｅｃｈｎｏｌｏｇｙ | Thin-walled shell heat exchanger, subway waste heat source heat pump system and its method |
-
2016
- 2016-12-16 CN CN201621382290.1U patent/CN206397518U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522999A (en) * | 2016-12-16 | 2017-03-22 | 绍兴文理学院 | Energy tunnel lining layer embedded ground temperature energy heat exchange system |
| JP2021501294A (en) * | 2018-08-09 | 2021-01-14 | 青島理工大学Ｑｉｎｇｄａｏ Ｕｎｉｖｅｒｓｉｔｙ Ｏｆ Ｔｅｃｈｎｏｌｏｇｙ | Thin-walled shell heat exchanger, subway waste heat source heat pump system and its method |
| JP7026369B2 (en) | 2018-08-09 | 2022-02-28 | 青島理工大学 | Thin-walled shell heat exchanger, subway waste heat source heat pump system and its method |
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