CN206529673U - Energy tunnel recombination formula ground temperature can antifreeze heater - Google Patents
Energy tunnel recombination formula ground temperature can antifreeze heater Download PDFInfo
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- CN206529673U CN206529673U CN201621382237.1U CN201621382237U CN206529673U CN 206529673 U CN206529673 U CN 206529673U CN 201621382237 U CN201621382237 U CN 201621382237U CN 206529673 U CN206529673 U CN 206529673U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Lining And Supports For Tunnels (AREA)
Abstract
A kind of antifreeze heater of energy tunnel recombination formula ground temperature energy, including tunnel bringing-up section, heat supplying pipeline is laid in tunnel corresponding with 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, heat exchanging segment corresponding tunnel in tunnel includes serving as a contrast 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 tunnel, layer is backfilled to be located on tunnel inverted arch, at the beginning of tunnel between lining and tunnel double-lining, heat exchange layers are respectively provided between tunnel inverted arch and backfill layer, upper pavement surface, connected between the heat exchange layers of lower section by crossover sub, first water inlet of heat exchange layers is connected with the first feed pipe, first water return outlet is connected with the first return pipe, first feed pipe and the first recovery tube 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 recombination formula ground temperature can antifreeze heating dress
Put, 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 right
The road surface in tunnel and lining cutting 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 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 recombination formula ground temperature energy, including tunnel bringing-up section, the tunnel bringing-up section bag
Heat supplying pipeline is included, the heat supplying pipeline is laid in tunnel corresponding with the tunnel bringing-up section, the heat supplying pipeline two ends difference
It is connected with the second feed pipe and the second return pipe, second feed pipe and the second return pipe are connected to form heat supply with heat pump end
Circulation line, the antifreeze heater also includes tunnel heat exchanging segment, at the beginning of the corresponding tunnel of the tunnel heat exchanging segment includes tunnel
Lining, tunnel double-lining, tunnel inverted arch and road surface, upper pavement surface are lining and tunnel double-lining at the beginning of the tunnel, and the backfill layer is located at institute
State on tunnel inverted arch, hot friendship is respectively provided with the beginning of the tunnel between lining and tunnel double-lining, between the tunnel inverted arch and backfill layer
Layer is changed, is connected between upper pavement surface, the heat exchange layers of lower section by crossover sub, the first water inlet of the heat exchange layers and
One feed pipe is connected, and the first water return outlet of the heat exchange layers connects with the first return pipe, first feed pipe and first time
Closed tube is connected to form recuperated cycle pipeline with heat pump front end.
Further, lower waterproof layer is set above the heat exchange layers below road surface, and the heat exchange layers of upper pavement surface are inside and outside to be set
Upper waterproof layer.
Further, the lower waterproof layer connects with the bottom surface of the backfill layer；The upper waterproof layer includes the tunnel
Just serve as a contrast the Water -proof Membrane between injection waterproof layer and the heat exchange layers and the tunnel double-lining between heat exchange layers.When
So, it would however also be possible to employ other waterproof types.
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 tunnel surrounding GEOTHERMAL WATER, which collects technology, can not be applied to underground
Water, which is owed, educates regional with agensis, and can not also extract the ground temperature energy in the country rock of inverted arch bottom；Though lay heat-exchange tube technology
Do not limited by underground water development condition, but heat-exchange tube belongs to wire thermal source, and its exchange capability of heat is limited, and laying heat exchange pipe
Engineering-built cost can be increased.The utility model proposes a kind of new ground temperature energy extractive technique.The technology is carried on the back in tunnel-liner
Heat exchange layers are set with inverted arch top afterwards, seepy material is filled with heat exchange layers, heat exchange layers respectively with feed pipe and backwater
The seal of tube is connected, and forms the circulating heat exchange system of closing, and the ground in tunnel surrounding is extracted by the circulation of fluid in heat exchange layers
Wen Neng, can be lifted through earth source heat pump equipment to the ground temperature of extraction, and tunnel-liner and road surface are added by heat supplying pipeline
Heat.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 warming plate, in tunnel
Road two is served as a contrast lays heat supplying pipeline between warming plate；Road-surface heating section includes road surface and backfill layer, between road surface and backfill layer
Lay heat supplying pipeline.
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 belongs to planar thermal source, and the buried heat exchanger of traditional pipe belongs to wire thermal source, so,
The buried heat exchanger heat exchange efficiency of layer of the present utility model is higher；
(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 recombination formula ground temperature can antifreeze heater composition figure.
Fig. 2 is heat exchanging segment cross-sectional view.
Fig. 3 is upper pavement surface heat exchange layers plane outspread drawing.
Fig. 4 is heat exchange layers plane outspread drawing below road surface.
Fig. 5 bringing-up section cross-sectional views.
Fig. 6 is heat supplying pipeline plane outspread drawing.
1 serves as a contrast at the beginning of tunnel in figure；21 be injection waterproof layer；22 Water -proof Membranes；3 be heat exchange layers；4 be tunnel two
Lining；5 be warming plate；6 be crossover sub；7 be the first feed pipe；8 be the first return pipe；9 be the first water inlet；10 be first
Water return outlet；11 be that sealing separates；12 be backfill layer；13 be tunnel heat exchanging segment；14 be tunnel bringing-up section；15 be road surface；16 be confession
Heat pipe；17 be the second feed pipe；18 be the second return pipe；19 be the second water inlet；20 be the second water return outlet；23 be heat pump；24
Lower waterproof layer.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
1~Fig. 6 of reference picture, a kind of antifreeze heater of energy tunnel recombination formula ground temperature energy, including tunnel bringing-up section 14, institute
Stating tunnel bringing-up section 14 includes heat supplying pipeline 16, and the heat supplying pipeline is laid in tunnel corresponding with the tunnel bringing-up section, institute
State heat supplying pipeline two ends to be connected with the second feed pipe 17 and the second return pipe 18 respectively, the backwater of the second feed pipe 17 and second
Pipe 18 is connected to form heating cycle pipeline with the end of heat pump 23, and the antifreeze heater also includes tunnel heat exchanging segment 13, described
The corresponding tunnel of tunnel heat exchanging segment 13 includes lining 1, tunnel double-lining 4, tunnel inverted arch and road surface 15 at the beginning of tunnel, and the top of road surface 15 is institute
State to backfill layer 12 below lining 1 and tunnel double-lining 4 at the beginning of tunnel, road surface, the backfill layer 12 is located on the tunnel inverted arch, in institute
State at the beginning of tunnel between lining 1 and tunnel double-lining 4, be respectively provided between the tunnel inverted arch and backfill layer 12 on heat exchange layers 3, road surface
Connected between side, the heat exchange layers 3 of lower section by crossover sub 6, the first water inlet 9 and first of the heat exchange layers 3 supplies water
Pipe 7 is connected, and the first water return outlet 10 of the heat exchange layers 3 is connected with the first return pipe 8, first feed pipe 7 and first time
The heat pump front end of closed tube 8 connects to form recuperated cycle pipeline.
Further, peripheral hardware in lower waterproof layer 24, the heat exchange layers of upper pavement surface is set above the heat exchange layers below road surface
Put waterproof layer.
Further, the lower waterproof layer 23 connects with the bottom surface of the backfill layer 12；The upper waterproof layer includes described
The combined type between injection waterproof layer 21 and the heat exchange layers 3 and tunnel double-lining 4 at the beginning of tunnel between lining 1 and heat exchange layers 3
Splash guard 22.It is of course also possible to use other waterproof types.
Further, sealing is set to separate 11 in the heat exchange layers 3, the sealing separates 11 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 11 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 11.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 12 is light-weight soils insulation backfill layer.
Filled in the concrete structure of the tunnel double-lining 4 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 4 sets warming plate 5.
The corresponding tunnel of the tunnel bringing-up section includes tunnel double-lining 4, and the inwall of tunnel double-lining 4 sets warming plate 5, institute
Stating tunnel bringing-up section 14 includes lining cutting bringing-up section, and the lining cutting bringing-up section is the confession laid between tunnel double-lining 4 and warming plate 5
Pipe line.
The corresponding tunnel of the tunnel bringing-up section also includes road surface 15, and the road surface 15 is located at the top of backfill layer 12, institute
Stating tunnel bringing-up section 14 also includes road-surface heating section, and the road-surface heating section is the confession laid between road surface 15 and backfill layer 12
Pipe line.
The antifreeze heater of energy tunnel recombination formula ground temperature energy of the present embodiment, the system can be exchanged heat by tunnel surrounding ground temperature
Section, heat pump and tunnel bringing-up section composition.Heat exchanging segment two parts below upper pavement surface and road surface are constituted, and upper pavement surface heat exchanging segment has
Lining at the beginning of tunnel and two lining compositions, heat exchange layer is being set at the beginning of tunnel between lining and two linings；Heat exchanging segment is by inverted arch, backfill layer below road surface
With road surface composition, heat exchange layers are set on inverted arch top, connected between upper pavement surface, the heat exchange layers of lower section by crossover sub
Connect.First water inlet of heat exchange layers is connected with the first feed pipe, and the first water return outlet of heat exchange layers is connected with the first return pipe；
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 water return outlet 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.
The heat exchange layers of upper pavement surface are inside and outside to set upper waterproof layer, and injection waterproof is set between first lining and heat exchange layers
Layer, Water -proof Membrane is set between heat exchange layers and two linings；Heat exchange layers below road surface set lower waterproof layer, lower 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 recombination formula 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, seepy material is poured into a mould, the heat friendship below road surface is performed
Change layer；Lower waterproof layer is performed on heat exchange layers top, light-weight soils are filled between road surface and lower waterproof layer；
2. waterproof layer is sprayed in tunnel Chu Chen outer surfaces, sealing cut-off is installed on waterproof layer, and spray seepy material, applied
Do the heat exchange layers of upper pavement surface；
3. crossover sub, the heat exchange layers between connection inverted arch top and two linings and first lining are installed；First feed pipe is installed
With the first return pipe, it is connected and sealed with heat exchange layers；
4. leveling light weight earthen backfill layer, lays heat supplying pipeline, and perform supercrust；
5. in two lining inner surface laying heat supplying pipelines, and warming plate is installed；
6. second feed pipe and the second return pipe are installed, is connected and sealed with heat supplying pipeline；
7. 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 recombination formula ground temperature energy, including tunnel bringing-up section, the tunnel bringing-up section include
Heat supplying pipeline, the heat supplying pipeline is laid in tunnel corresponding with the tunnel bringing-up section, the heat supplying pipeline two ends respectively with
Second feed pipe and the connection of the second return pipe, second feed pipe and the second return pipe are connected with heat pump end to be formed heat supply and follows
Endless tube road, it is characterised in that：The antifreeze heater also includes tunnel heat exchanging segment, the corresponding tunnel packet of the tunnel heat exchanging segment
Lining, tunnel double-lining, tunnel inverted arch and road surface at the beginning of including tunnel, upper pavement surface are lining and tunnel double-lining at the beginning of the tunnel, backfill layer position
In on the tunnel inverted arch, it is respectively provided with the beginning of the tunnel between lining and tunnel double-lining, between the tunnel inverted arch and backfill layer
Heat exchange layers, are connected between upper pavement surface, the heat exchange layers of lower section by crossover sub, the first water inlet of the heat exchange layers
Connected with the first feed pipe, the first water return outlet of the heat exchange layers is connected with the first return pipe, first feed pipe and
One recovery tube is connected to form recuperated cycle pipeline with heat pump front end.
2. the antifreeze heater of energy tunnel recombination formula ground temperature energy as claimed in claim 1, it is characterised in that：Below road surface
Lower waterproof layer is set above heat exchange layers, and the heat exchange layers of upper pavement surface are inside and outside to set upper waterproof layer.
3. the antifreeze heater of energy tunnel recombination formula ground temperature energy as claimed in claim 2, it is characterised in that：The lower waterproof
Layer connects with the bottom surface of the backfill layer；The upper waterproof layer includes serving as a contrast the injection waterproof between heat exchange layers at the beginning of the tunnel
Layer and the Water -proof Membrane between the heat exchange layers and tunnel double-lining.
4. the antifreeze heater of energy tunnel recombination formula ground temperature energy as described in one of claims 1 to 3, it is characterised in that：Institute
Stating in heat exchange layers sets sealing to separate, and the heat exchange layers are carried out subregion by the sealing cut-off, each subregion respectively with respectively
From feed pipe connect to form closed circulation subsystem with recovery tube.
5. the antifreeze heater of energy tunnel recombination formula ground temperature energy as claimed in claim 4, it is characterised in that：The sealing every
Disconnected one end is provided with breach, and separating adjacent subregion with sealing jaggy is mutually communicated.
6. the antifreeze heater of energy tunnel recombination formula ground temperature energy as claimed in claim 5, it is characterised in that：Adjacent sealing every
Disconnected breach dislocation arrangement.
7. the antifreeze heater of energy tunnel recombination formula ground temperature energy as described in one of claims 1 to 3, it is characterised in that：Institute
State filling seepy material in heat exchange layers.
8. the antifreeze heater of energy tunnel recombination formula ground temperature energy as described in one of claims 1 to 3, it is characterised in that：Institute
It is light-weight soils insulation backfill layer to state backfill layer.
9. the antifreeze heater of energy tunnel recombination formula ground temperature energy as described in one of claims 1 to 3, it is characterised in that：Institute
Stating the corresponding tunnel of tunnel bringing-up section includes tunnel double-lining, and the tunnel double-lining inwall sets warming plate, the tunnel bringing-up section
Including lining cutting bringing-up section, 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 recombination formula ground temperature energy as claimed in claim 8, it is characterised in that：The tunnel
The corresponding tunnel of bringing-up section 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
Bringing-up 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 |
|---|---|---|---|
| CN201621382237.1U CN206529673U (en) | 2016-12-16 | 2016-12-16 | Energy tunnel recombination formula ground temperature can antifreeze heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382237.1U CN206529673U (en) | 2016-12-16 | 2016-12-16 | Energy tunnel recombination formula ground temperature can antifreeze heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206529673U true CN206529673U (en) | 2017-09-29 |
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ID=59922366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621382237.1U Active CN206529673U (en) | 2016-12-16 | 2016-12-16 | Energy tunnel recombination formula ground temperature can antifreeze heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498827A (en) * | 2016-12-16 | 2017-03-15 | 绍兴文理学院 | Energy tunnel recombination formula ground temperature energy freeze-proof heating system |
| CN111472817A (en) * | 2020-03-20 | 2020-07-31 | 凌贤长 | Water-stopping and anti-freezing structure for tunnel in high-cold freezing and thawing water-rich environment and construction method |
| CN111794801A (en) * | 2020-08-13 | 2020-10-20 | 成都鑫筑博建材有限公司 | Tunnel heat preservation ditch heating system of ground source heat pump |
-
2016
- 2016-12-16 CN CN201621382237.1U patent/CN206529673U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498827A (en) * | 2016-12-16 | 2017-03-15 | 绍兴文理学院 | Energy tunnel recombination formula ground temperature energy freeze-proof heating system |
| CN111472817A (en) * | 2020-03-20 | 2020-07-31 | 凌贤长 | Water-stopping and anti-freezing structure for tunnel in high-cold freezing and thawing water-rich environment and construction method |
| CN111472817B (en) * | 2020-03-20 | 2022-06-07 | 凌贤长 | Water-stopping and anti-freezing structure for tunnel in high-cold freezing and thawing water-rich environment and construction method |
| CN111794801A (en) * | 2020-08-13 | 2020-10-20 | 成都鑫筑博建材有限公司 | Tunnel heat preservation ditch heating system of ground source heat pump |
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