CN206554954U - Energy tunnel inverted arch combined type ground temperature can antifreeze heater - Google Patents
Energy tunnel inverted arch combined type ground temperature can antifreeze heater Download PDFInfo
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- CN206554954U CN206554954U CN201621382198.5U CN201621382198U CN206554954U CN 206554954 U CN206554954 U CN 206554954U CN 201621382198 U CN201621382198 U CN 201621382198U CN 206554954 U CN206554954 U CN 206554954U
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Abstract
A kind of antifreeze heater of energy tunnel inverted arch combined type ground temperature energy, including tunnel bringing-up section, tunnel bringing-up section includes heat supplying pipeline, heat supplying pipeline is laid in tunnel corresponding with the tunnel bringing-up section, heat supplying pipeline two ends are connected with the second feed pipe and the second return pipe respectively, second feed pipe and the second return pipe are connected to form heating cycle pipeline with heat pump end, antifreeze heater also includes tunnel heat exchanging segment, the corresponding tunnel of the tunnel heat exchanging segment includes tunnel inverted arch and road surface, it is backfill layer below road surface, the backfill layer is located on the tunnel inverted arch, heat exchange layers are set between the tunnel inverted arch and backfill layer, first water inlet of the heat exchange layers is connected with the first feed pipe, first delivery port of the heat exchange layers is connected with the first return pipe, first feed pipe and the first return pipe are connected to form recuperated cycle pipeline with heat pump front end.The utility model applicability is good, heat exchange efficiency is higher, save cost and save construction period.
Description
Technical field
The utility model is related to tunnel surrounding field, and especially a kind of energy tunnel inverted arch combined type ground temperature can antifreeze heating
Device, it is adaptable to which the tunnel-liner that area is educated in underground water agensis and owing can be extracted with inverted arch bottom country rock ground temperature behind, and
The road surface and lining cutting in tunnel are heated.
Background technology
In recent years, as China's transport development is fast-developing, the quantity of tunnel in cold area is growing day by day, but in tunnel in cold area
Freeze injury problem becomes increasingly conspicuous, part newly built tunnels come into operation after soon, freeze injury is just there occurs on a large scale, tunnel has been had a strong impact on
Traffic safety.There is more than 80% all to there is freeze injury in highway in cold region tunnel progress investigation discovery to having runed, tunnel in cold area to show
As wherein about 60% occurs the slight freeze injury phenomenon such as percolating water, about 24% lining concrete peeling, cracking, slump, depression occurs
Deng serious cold damage problem.Current tunnel in cold area can not chronically solve the frost heave of tunnel in cold area using conventional heater by service
With the disease problem such as freeze, and the active heating measure of electrical heating method is used to have the shortcomings that energy consumption is big, operation cost is high and show
Shape, is badly in need of the novel anti-freezing heater of exploitation energy-conserving and environment-protective.
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.The tunnel-liner positioned at hole end and road surface can be given to be heated using the ground temperature in tunnel surrounding, can
Tunnel in cold area freeze injury is solved, tunnel in cold area heat supply " self-sufficient " is realized in also energy-conserving and environment-protective.
Ground temperature energy in the country rock of tunnel-liner behind can be directly collecting in tunnel surrounding by way of GEOTHERMAL WATER
To extract, heat-exchange tube can also be buried between tunnel double-lining and just lining, 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 underground water
Measuring small or without underground water area can not then apply.Huge ground temperature energy is also stores in the country rock of inverted arch bottom, due to residing position
The difference put, the ground temperature in the country rock of inverted arch bottom can be difficult then to be obtained by collecting GEOTHERMAL WATER, can be by inverted arch
The mode of portion's laying heat exchange pipe extracts geothermal energy, and tunnel is extracted using the temperature difference between the heat transfer cycle medium and country rock in pipe
Road country rock geothermal energy.Although extracting the ground temperature energy in tunnel surrounding using heat-exchange tube not limited by underground water development condition,
Laying heat-exchange tube adds construction cost, and heat-exchange tube belongs to wire thermal source, and its heat exchange efficiency is very limited.
The content of the invention
In order to overcome existing tunnel country rock GEOTHERMAL WATER collect technology can not be owed applied to underground water educate with agensis area,
And it can not also extract the ground temperature energy in the country rock of inverted arch bottom；Though heat-exchange tube technology is laid not limited by underground 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.
Problem, a kind of applicability of the utility model offer is good, heat exchange efficiency is higher, save cost and save the energy tunnel of construction period
Road inverted arch combined type ground temperature can antifreeze heater.
The utility model solves the technical scheme that its technical problem used：
A kind of antifreeze heater of energy tunnel inverted arch combined type ground temperature energy, including tunnel bringing-up section, the tunnel heating
Section includes heat supplying pipeline, and the heat supplying pipeline is laid in tunnel corresponding with the tunnel bringing-up section, the heat supplying pipeline two ends
It is connected respectively with the second feed pipe and the second return pipe, second feed pipe and the second return pipe are connected to be formed with heat pump end
Heating cycle pipeline, the antifreeze heater also includes tunnel heat exchanging segment, and the corresponding tunnel of the tunnel heat exchanging segment includes tunnel
Road inverted arch and road surface, are backfill layer below road surface, the backfill layer is located on the tunnel inverted arch, in the tunnel inverted arch and are returned
Heat exchange layers are set between packing course, and the first water inlet of the heat exchange layers is connected with the first feed pipe, the heat exchange layers
First delivery port is connected with the first return pipe, and first feed pipe and the first return pipe are connected to form heat exchange with heat pump front end
Circulation line.
Further, heat exchange waterproof layer is set above the heat exchange layers.
Further, the heat exchange waterproof layer connects with the bottom surface of the backfill layer.
Further, sealing is set to separate in the heat exchange layers, the sealing cut-off is divided the heat exchange layers
Area, each subregion connects to form closed circulation subsystem with respective feed pipe and recovery tube 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.
The backfill layer is light-weight soils insulation backfill layer.
The corresponding tunnel of the tunnel bringing-up section includes tunnel double-lining, and the tunnel double-lining inwall sets warming plate, described
Tunnel bringing-up section includes lining cutting bringing-up section, and the lining cutting bringing-up section is the heat supplying pipeline laid between tunnel double-lining and warming plate
The corresponding tunnel of the tunnel bringing-up section also includes road surface, and the road surface is located at the top of backfill layer, the tunnel
Bringing-up section also includes road-surface heating section, and the road-surface heating section is the heat supplying pipeline laid between road surface and backfill layer.
Technical concept of the present utility model is：In view of existing laying heat-exchange tube technology belongs to wire thermal source, it exchanges heat
It is limited in one's ability, and laying heat exchange pipe can increase engineering-built cost.It can be carried the utility model proposes a kind of new ground temperature
Take technology.The technology sets heat exchange layers on inverted arch top, is filled with seepy material in heat exchange layers, heat exchange layers respectively with confession
Water pipe and return pipe are tightly connected, and form the circulating heat exchange system of closing, and tunnel is extracted by the circulation of fluid in heat exchange layers
Ground temperature energy in country rock, can be lifted through earth source heat pump equipment to the ground temperature of extraction, by heat supplying pipeline to tunnel-liner and
Heated on road surface.
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：
(1) the utility model can realize tunnel portal section lining cutting and road-surface heating using the ground temperature in tunnel surrounding, with biography
System electrical heating is compared, and the technology energy-saving and environment friendly greatly reduces tunnel operation maintenance cost；
(2) the buried heat exchanger of layer extracts the ground temperature in tunnel surrounding using the heat transfer medium of heat exchange layers internal circulation flow
Can, the passive extractive technique for solving traditional collection GEOTHERMAL WATER can be only applied to the tunnel of rich groundwater, educate for owing
The problem not applied to then with the tunnel without underground water；
(3) layer embedded type heat exchanger and heat supply layer belong to planar thermal source, and the buried heat exchanger of traditional pipe and heating tube
Belong to wire thermal source, so, the buried heat exchanger heat exchange efficiency of layer of the present utility model is higher, and the heating effect of heat supply layer is more preferable；
(4) the buried heat exchanger of layer forms integrated with tunnel structure, and construction technology is simple, without laying heat exchange pipe,
A large amount of construction costs are saved.
Brief description of the drawings
Fig. 1 is that energy tunnel inverted arch combined type ground temperature can antifreeze heater 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 be inverted arch；3 be heat exchange layers；4 be heat exchange waterproof layer；5 be light weight earthen backfill layer；6
For road surface；7 be the first feed pipe；8 be the first return pipe；9 be connecting tube；10 be the first water inlet；11 be the first water return outlet；12
Separate for sealing；13 be heat exchanging segment；14 be bringing-up section；15 be water pipe ditch；16 be heating tube；17 be warming plate；18 be the second confession
Water pipe；19 be the second return pipe；20 be the second water inlet；21 be the second water return outlet；22 be heat pump.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
1~Fig. 5 of reference picture, a kind of antifreeze heater of energy tunnel inverted arch combined type ground temperature energy, including tunnel bringing-up section
14, the tunnel bringing-up section 14 includes heat supplying pipeline 16, and the heat supplying pipeline lays tunnel corresponding with the tunnel bringing-up section
Interior, the heat supplying pipeline two ends are connected with the second feed pipe 18 and the second return pipe 19 respectively, second feed pipe 18 and
Two return pipes 19 are connected to form heating cycle pipeline with the end of heat pump 22, and the antifreeze heater also includes tunnel heat exchanging segment
13, the corresponding tunnel of the tunnel heat exchanging segment includes tunnel inverted arch 2 and road surface 6, and the lower section of road surface 6 is backfill layer 5, the backfill layer
5 are located on the tunnel inverted arch, in the corresponding tunnel of the tunnel heat exchanging segment 13, between the tunnel inverted arch 2 and backfill layer 5
Heat exchange layers 3 are set, and the first water inlet 10 of the heat exchange layers 3 connects with the first feed pipe 7, the of the heat exchange layers 3
One delivery port 11 is connected with the first return pipe 8, and the return pipe 8 of the first feed pipe 7 and first is connected shape with the front end of heat pump 22
Into recuperated cycle pipeline；
In the corresponding tunnel of the tunnel bringing-up section, served as a contrast at the beginning of tunnel between 16 and tunnel double-lining 1, road surface 26 and backfill layer 5
Between be respectively provided with heat supply layer 17, connected between upper pavement surface, the heat supply layer 17 of lower section, the second water inlet 23 of heat supply layer 17
Connected with the second feed pipe 18, the second water return outlet 24 of the heat supply layer 17 is connected with the second return pipe 19, and described second supplies water
The recovery tube 19 of pipe 18 and second is connected to form heating cycle pipeline with the rear end of heat pump 25.
Further, the top of heat exchange layers 3 sets heat exchange waterproof layer 4.
Further, the heat exchange waterproof layer 4 connects with the bottom surface of the backfill layer 5.
Further, sealing is set to separate 12 in the heat exchange layers 3, the sealing separates 12 by the heat exchange layers 3
Subregion is carried out, each subregion connects to form closed circulation subsystem with respective feed pipe and recovery tube 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 12.It can obtain arbitrarily long by setting up breach quantity
The heat exchanger of degree.
Filling seepy material, can form pervious bed in the heat exchange layers 3.
The backfill layer 5 is light-weight soils insulation backfill layer.
Filled in the concrete structure of the tunnel double-lining 1 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 1 sets warming plate 6.
The two ends on the road surface are provided with water pipe ditch 15, and the return pipe 8 of the first feed pipe 7 and first is located at the water pipe ditch
In 15.Between the first water inlet and the first feed pipe of the heat exchange layers, the first delivery port and first of the heat exchange layers
Connected before return pipe by connecting tube 9.
The corresponding tunnel of the tunnel bringing-up section includes tunnel double-lining 1, and the inwall of tunnel double-lining 1 sets warming plate 17,
The tunnel bringing-up section includes lining cutting bringing-up section, and the lining cutting bringing-up section is laid between tunnel double-lining 1 and warming plate 17
Heat supplying pipeline
The corresponding tunnel of the tunnel bringing-up section also includes road surface 6, and the road surface 6 is located at the top of backfill layer 5, the tunnel
Road bringing-up section also includes road-surface heating section, and the road-surface heating section is the heat supplying pipeline laid between road surface 6 and backfill layer 5.
The antifreeze heater of energy tunnel inverted arch combined type ground temperature energy of the present embodiment, the 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, sets heat to hand on inverted arch top
Change layer.First water inlet of heat exchange layers is connected with the first feed pipe, and the first delivery port of heat exchange layers and the first return pipe connect
It is logical；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 includes tunnel double-lining and insulation
Plate, lays heat supplying pipeline between tunnel double-lining and warming plate；Road-surface heating section includes road surface and backfill layer, on road surface and backfill
Heat supplying pipeline is laid between layer.Second water inlet of heat supplying pipeline is connected with the second feed pipe, the second delivery port of heat supplying pipeline
Connected with the second return pipe, the second feed pipe and the second return pipe are connected with heat pump end, form the heating cycle pipeline of closing.
Heat exchange layers below road surface set heat exchange waterproof layer, and heat exchange waterproof layer is located between heat exchange layers and backfill layer；
Set sealing to separate in heat exchange layers, subregion is carried out to heat exchange layers using sealing cut-off；In each subregion, it is located at
The sealing on both sides separates elongated arrangement, and sets breach positioned at middle cut-off one end, separates adjacent with sealing jaggy
Subregion is mutually communicated；The breach of sealing cut-off wants interlaced arrangement, and the heat exchanger of random length can be obtained by setting up breach quantity.
The energy tunnel inverted arch combined type ground temperature of the present embodiment can the work progress of antifreeze heater be：
1. sealing cut-off is installed on the inverted arch top of tunnel heat exchanging segment, pours into a mould seepy material, performs heat exchange layers；In heat friendship
Change layer top and perform heat exchange waterproof layer, light-weight soils are filled between road surface and waterproof layer；
2. first feed pipe and the first return pipe are installed, is connected and sealed with heat exchange layers；
3. leveling light weight earthen backfill layer, lays heat supplying pipeline, and perform supercrust；
4. in two lining inner surface laying heat supplying pipelines, and warming plate is installed；
5. second feed pipe and the second return pipe are installed, is connected and sealed with heat supplying pipeline；
6. the first feed pipe and the first return pipe of tunnel heat exchanging segment are connected with heat pump front end, form heat exchange sealing circulation
Pipeline；The second feed pipe and the second return pipe of tunnel bringing-up section are connected with heat pump end, heat supply sealing circulation line is formed.
Claims (10)
1. a kind of antifreeze heater of energy tunnel inverted arch combined type ground temperature energy, including tunnel bringing-up section, the tunnel bringing-up section
Including heat supplying pipeline, the heat supplying pipeline is laid in tunnel corresponding with the tunnel bringing-up section, the heat supplying pipeline two ends point
It is not connected with the second feed pipe and the second return pipe, second feed pipe and the second return pipe are connected to form confession with heat pump end
Thermal cycle pipeline, it is characterised in that：The antifreeze heater also includes tunnel heat exchanging segment, the corresponding tunnel of the tunnel heat exchanging segment
Road is included to backfill layer below tunnel inverted arch and road surface, road surface, and the backfill layer is located on the tunnel inverted arch, in the tunnel
Heat exchange layers are set between inverted arch and backfill layer, the first water inlet of the heat exchange layers is connected with the first feed pipe, the heat
First delivery port of switching layer is connected with the first return pipe, and first feed pipe and the first return pipe are connected with heat pump front end
Form recuperated cycle pipeline.
2. the antifreeze heater of energy tunnel inverted arch combined type ground temperature energy as claimed in claim 1, it is characterised in that：The heat
Heat exchange waterproof layer is set above switching layer.
3. the antifreeze heater of energy tunnel inverted arch combined type ground temperature energy as claimed in claim 2, it is characterised in that：It is described to change
Hot waterproof layer connects with the bottom surface of the backfill layer.
4. the antifreeze heater of energy tunnel inverted arch combined type ground temperature energy as described in one of claims 1 to 3, its feature exists
In：Sealing is set to separate in the heat exchange layers, the heat exchange layers are carried out subregion, each subregion difference by the sealing cut-off
Connect to form closed circulation subsystem with respective feed pipe and recovery tube.
5. the antifreeze heater of energy tunnel inverted arch combined type ground temperature energy as claimed in claim 4, it is characterised in that：It is described to stop
One end of water cut-off is provided with breach, and separating adjacent subregion with sealing jaggy is mutually communicated.
6. the antifreeze heater of energy tunnel inverted arch combined type ground temperature energy as claimed in claim 5, it is characterised in that：It is adjacent to stop
The breach dislocation arrangement of water cut-off.
7. the antifreeze heater of energy tunnel inverted arch combined type ground temperature energy as described in one of claims 1 to 3, its feature exists
In：Filling seepy material in the heat exchange layers.
8. the antifreeze heater of energy tunnel inverted arch combined type ground temperature energy as described in one of claims 1 to 3, its feature exists
In：The backfill layer is light-weight soils insulation backfill layer.
9. the antifreeze heater of energy tunnel inverted arch combined type ground temperature energy as described in one of claims 1 to 3, its feature exists
In：The corresponding tunnel of the tunnel bringing-up section includes tunnel double-lining, and the tunnel double-lining inwall sets warming plate, and the tunnel adds
Hot arc includes lining cutting bringing-up section, and the lining cutting bringing-up section is the heat supplying pipeline laid between tunnel double-lining and warming plate.
10. the antifreeze heater of energy tunnel inverted arch combined type ground temperature energy as claimed in claim 9, it is characterised in that：It is described
Bringing-up section corresponding tunnel in tunnel also includes road surface, and the road surface is located at the top of backfill layer, and the tunnel bringing-up section also includes
Road-surface heating section, the road-surface heating section is the heat supplying pipeline laid between road surface and backfill layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382198.5U CN206554954U (en) | 2016-12-16 | 2016-12-16 | Energy tunnel inverted arch combined type ground temperature can antifreeze heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382198.5U CN206554954U (en) | 2016-12-16 | 2016-12-16 | Energy tunnel inverted arch combined type ground temperature can antifreeze heater |
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| CN206554954U true CN206554954U (en) | 2017-10-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437793A (en) * | 2016-12-16 | 2017-02-22 | 绍兴文理学院 | Energy tunnel inverted arch combined type ground temperature energy antifreezing and heating system |
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2016
- 2016-12-16 CN CN201621382198.5U patent/CN206554954U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437793A (en) * | 2016-12-16 | 2017-02-22 | 绍兴文理学院 | Energy tunnel inverted arch combined type ground temperature energy antifreezing and heating system |
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