CN109209449B - Intelligent heat preservation system for railway tunnel in cold region and control method thereof - Google Patents
Intelligent heat preservation system for railway tunnel in cold region and control method thereof Download PDFInfo
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- 238000004321 preservation Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 95
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 35
- 239000004917 carbon fiber Substances 0.000 claims abstract description 35
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000010248 power generation Methods 0.000 claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims description 23
- 230000008054 signal transmission Effects 0.000 claims description 18
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 230000006378 damage Effects 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000000295 complement effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 11
- 238000007710 freezing Methods 0.000 description 11
- 230000008014 freezing Effects 0.000 description 8
- 239000011435 rock Substances 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000009746 freeze damage Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Architecture (AREA)
- Civil Engineering (AREA)
- Wind Motors (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses an intelligent heat preservation system for a railway tunnel in a cold region and a control method thereof, wherein the system comprises an energy system, an intelligent control system and a heat preservation layer heating system, wherein the energy system comprises a wind-solar complementary power generation system and industrial supplementary electric energy; the heat-insulating layer heating system comprises a heat-insulating layer, a carbon fiber heating film and a temperature sensor, wherein the carbon fiber heating film is laid between the primary lining and the heat-insulating layer, and the temperature sensor is arranged in the middle of each heat-insulating layer and the secondary lining; the intelligent control system comprises a central processing unit, a temperature signal analysis module, a heat preservation system heating module and an electric energy monitoring module; lay the carbon fiber heating film on every heat preservation, temperature signal analysis module collects the temperature value feedback of secondary lining and heats the module for the heating of heat preservation system, and when the temperature reached the predetermined value, the carbon fiber heating film that starts to correspond heats. The tunnel lining structure has the advantages of simple structure, convenience in construction, automatic control, energy conservation, environmental friendliness, no damage to the tunnel lining structure and the like, and has good popularization and application values.
Description
Technical Field
The invention belongs to the field of cold region tunnels, and particularly relates to an intelligent heat preservation system for a cold region railway tunnel and a control method thereof.
Background
The tunnel freezing injury is the biggest problem faced by the tunnel in the cold region, the cost for putting into the tunnel freezing injury treatment in the cold region in China is increasing in recent years, even if the cost is increased, a plurality of tunnels are troubled by the freezing injury and even abandoned, and the prevention and control of the tunnel freezing injury in the cold region are becoming important research subjects in the tunnel boundary. The main reasons for the freeze injury of the tunnel in the cold region are freeze thawing and frost heaving: the freeze thawing refers to a freeze injury phenomenon that the self-supporting capacity of the frozen surrounding rock is reduced due to the fact that the temperature in the tunnel is increased and the surrounding rock is ablated, and a lining stress field is changed; the frost heaving refers to stress change and structural damage caused by water freezing and expansion in the cracks of the lining and the surrounding rock, according to statistics in 2014, the number of tunnels with frost damages of 11516 railway tunnels in the whole Chinese line is 5990, which accounts for 52.4% of the total number of the tunnels, wherein 2937 of the tunnels with severe frost damages account for 25.5% of the total number of the tunnels. The freeze injuries cause serious damage to the tunnel structure and also bring great potential safety hazards to railway operation safety burying.
At present, the research work of tunnel lining heat preservation and frost resistance in cold regions of various countries is mainly focused on two aspects:
(1) basic theoretical research work. The method is particularly used for researching the freezing and thawing characteristics of the tunnel surrounding rock, the freezing depth, the thermal performance of the tunnel surrounding rock, the concrete tunnel lining and the heat-insulating material, the structural form design of the tunnel lining, and the influence of the conditions of engineering site climate, hydrology and the like.
(2) Research work on application techniques. On the basis of basic theoretical research work, the technical measures of heat preservation and frost resistance of the tunnel are taken, a durable heat preservation and insulation material is developed, and the reasonable thickness, the set length, the set form and the like of the heat preservation and insulation layer are researched.
Chinese patent application No. 200910196239.X discloses a tunnel portal section lining heating system, which comprises a heating pipeline, a ground source heat pump and a heating pipeline, wherein the heating pipeline and the heating pipeline are buried in a tunnel and are respectively connected with the ground source heat pump to respectively form a circulation loop. The application patent buries the heat exchange pipe of the ground source heat pump between the primary lining and the secondary lining to replace the underground drilling required by the traditional buried pipe of the ground source heat pump, and has the advantages of saving part of initial construction investment and utilizing the energy-saving effect of the ground source heat pump. But the technical requirement is high, the method is not suitable for all tunnels, and the occurrence of all tunnel freeze injuries cannot be eradicated; the patent with the application number of CN201510160911.5 discloses an anti-freezing heat-preservation system for a tunnel in a cold region and an anti-freezing heat-preservation construction method, wherein the anti-freezing heat-preservation system comprises an aluminum film, light aggregate heat-preservation concrete, a steel corrugated plate, a drainage device, an aluminum film fixing device and a heating device; the aluminum film is integrally arched; the aluminum film is fixed on the secondary lining through an aluminum film fixing device; a gap is arranged between the aluminum film and the secondary lining; the bottom of a gap formed between the aluminum film and the secondary lining is connected with a drainage device with a socket; the width of a gap arranged between the aluminum film and the secondary lining is less than or equal to the width of a socket of the drainage device; the inner side of the aluminum film is provided with a steel corrugated plate; lightweight aggregate heat preservation concrete is filled between the steel corrugated plate and the aluminum film; the heating device is embedded in the lightweight aggregate heat-insulating concrete between the steel corrugated plate and the aluminum film. However, the tunnel structure is complex, the cost is too high, the tunnel structure cannot be applied in a large range, and the original tunnel structure is easy to damage.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an intelligent heat insulation system for a railway tunnel in a cold region and a control method thereof, wherein wind energy and solar energy natural resources in the northwest region or the northeast region are fully utilized, and meanwhile, after a carbon fiber heating film is adhered to each heat insulation layer by resin adhesive, a modular heating method is adopted to heat a secondary lining with the temperature below zero.
In order to achieve the purpose, the invention adopts the technical scheme that:
an intelligent heat preservation system for a railway tunnel in a cold region comprises an energy system, an intelligent control system and a heat preservation layer heating system, wherein the intelligent control system controls the energy system and the heat preservation layer heating system;
the energy system comprises a wind-solar hybrid power generation system and industrial supplementary electric energy;
the heat-insulation layer heating system comprises a heat-insulation layer, a carbon fiber heating film and a temperature sensor, wherein the carbon fiber heating film is laid between the primary lining and the heat-insulation layer, and the temperature sensor is arranged in the middle of each heat-insulation layer and the secondary lining;
the intelligent control system comprises a central processing unit, a temperature signal analysis module, a heat preservation system heating module and an electric energy monitoring module; the temperature signal analysis module is used for receiving and analyzing the temperature value of the secondary lining, the heat preservation system heating module is used for controlling the heating working state of each carbon fiber heating film, and the electric energy monitoring module is used for monitoring and analyzing the voltage value of the wind-solar hybrid power generation system.
Furthermore, the temperature signal analysis module comprises a temperature signal transmission module, and the temperature signal transmission module is used for transmitting a temperature signal to the heat preservation system heating module.
Further, the electric energy monitoring module comprises a voltage value signal transmission module, and the voltage value signal transmission module is used for transmitting the voltage value of the wind-solar hybrid power generation system to the central processing unit.
Furthermore, the carbon fiber heating film is adhered to the back of each heat-insulating layer by resin glue.
Further, the wind-solar hybrid power generation system stores electric energy of a wind power generation set and a solar power generation set which are arranged outside the tunnel through a storage battery, and when the wind-solar hybrid power generation system cannot meet the requirement of the total system power supply, the industrial supplementary electric energy supplies power, and comprises electric energy of a hydraulic power or thermal power station.
Furthermore, the heat preservation layer is made of a hard polyurethane heat preservation plate, EVA waterproof plates are fixed on two sides of the hard polyurethane heat preservation plate, and the secondary lining is subjected to heat preservation by utilizing good heat insulation performance of the hard polyurethane heat preservation plate.
The control method of the intelligent heat preservation system for the railway tunnel in the cold region comprises the following steps:
A. collecting a temperature signal: the temperature sensor measures the temperature value of the secondary lining and feeds the temperature value back to the temperature signal analysis module;
B. temperature signal analysis: the temperature signal analysis module analyzes and compares the temperature value with a preset temperature value and then transmits a temperature signal to the heating module of the heat preservation system through the temperature signal transmission module;
C. and (3) control operation: when the temperature is lower than zero, the heating module of the heat preservation system controls the start of the carbon fiber heating film at the corresponding position to carry out heating operation; when the temperature is higher than the set threshold value, the heat preservation system heating module controls the carbon fiber heating film at the corresponding position to stop heating.
D. The electric energy monitoring module monitors the voltage value of the wind-solar hybrid power generation system and compares the voltage value with a set voltage threshold value, the voltage value signal transmission module transmits a voltage value signal to the central processing unit, when the voltage value is lower than the working voltage threshold value of the heat-preservation heating system, the central processing unit starts industrial supplementary electric energy to supply power, and when the voltage value reaches the working voltage threshold value of the heat-preservation heating system, the central processing unit cuts off the industrial supplementary electric energy to supply power.
Compared with the prior art, the invention has the beneficial effects that:
through laying the carbon fiber heating film on every heat preservation, collect secondary lining's temperature value through temperature signal analysis module and feed back to heat preservation system heating module, when the temperature reaches the predetermined value, start the carbon fiber heating film that corresponds and heat. The invention has the advantages of simple structure, convenient construction, automatic control, energy conservation, environmental protection, no damage to the tunnel lining structure and the like, and has good popularization and application values.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is an oblique cross-sectional perspective view of a carbon fiber heating film arrangement of the present invention;
FIG. 3 is an enlarged sample view of the carbon fiber heating film arrangement of FIG. 2;
FIG. 4 is a plan view of a temperature sensor and a carbon fiber heating film laid on the insulation layer;
in the figure: 1. a temperature sensor; 2. a carbon fiber heating film; 3. a heat-insulating layer; 4. primary lining; 5. secondary lining; 6. and (5) tunnel surrounding rock.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1-4, an intelligent heat preservation system for a railway tunnel in a cold region comprises an energy system, an intelligent control system and a heat preservation layer heating system, wherein the intelligent control system controls the energy system and the heat preservation layer heating system;
the energy system comprises a wind-solar hybrid power generation system and industrial supplementary electric energy;
the heat-insulating layer heating system comprises a heat-insulating layer 3, a carbon fiber heating film 2 and a temperature sensor 1, wherein the carbon fiber heating film 2 is laid between a primary lining 4 and the heat-insulating layer 3, and the temperature sensor 1 is arranged in the middle of each heat-insulating layer 3 and a secondary lining 5;
the intelligent control system comprises a central processing unit, a temperature signal analysis module, a heat preservation system heating module and an electric energy monitoring module; the temperature signal analysis module is used for receiving and analyzing the temperature value of the secondary lining 5, the heat preservation system heating module is used for controlling the heating working state of each carbon fiber heating film 2, the electric energy monitoring module is used for monitoring and analyzing the voltage value of the wind-solar hybrid power generation system, one end of the primary lining 4 in the figure is a tunnel surrounding rock 6, and the preset temperature value in the invention is determined according to the actual surrounding environment of the tunnel.
Furthermore, the temperature signal analysis module comprises a temperature signal transmission module, and the temperature signal transmission module is used for transmitting a temperature signal to the heat preservation system heating module.
Further, the electric energy monitoring module comprises a voltage value signal transmission module, and the voltage value signal transmission module is used for transmitting the voltage value of the wind-solar hybrid power generation system to the central processing unit.
Furthermore, the carbon fiber heating film 2 is adhered to each insulating layer 3 by resin glue.
Further, the wind-solar hybrid power generation system stores electric energy of a wind power generation set and a solar power generation set which are arranged outside the tunnel through a storage battery, and when the wind-solar hybrid power generation system cannot meet the requirement of the total system power supply, the industrial supplementary electric energy supplies power, and comprises electric energy of a hydraulic power or thermal power station.
Further, the heat preservation layer 3 is made of a hard polyurethane heat preservation plate, EVA waterproof plates are fixed on two sides of the hard polyurethane heat preservation plate, and the secondary lining is subjected to heat preservation by utilizing good heat insulation performance of the hard polyurethane heat preservation plate.
The control method of the intelligent heat preservation system for the railway tunnel in the cold region comprises the following steps:
A. collecting a temperature signal: the temperature sensor 1 measures the temperature value of the secondary lining 5 and feeds the temperature value back to the temperature signal analysis module;
B. temperature signal analysis: the temperature signal analysis module analyzes and compares the temperature value with a preset temperature value and then transmits a temperature signal to the heating module of the heat preservation system through the temperature signal transmission module;
C. and (3) control operation: when the temperature is lower than zero, the heating module of the heat preservation system controls the start of the carbon fiber heating film 2 at the corresponding position to carry out heating operation; when the temperature is higher than the set threshold value, the heat preservation system heating module controls the carbon fiber heating film 2 at the corresponding position to stop heating.
D. The electric energy monitoring module monitors the voltage value of the wind-solar hybrid power generation system and compares the voltage value with a set voltage threshold value, the voltage value signal transmission module transmits a voltage value signal to the central processing unit, when the voltage value is lower than the working voltage threshold value of the heat-preservation heating system, the central processing unit starts industrial supplementary electric energy to supply power, and when the voltage value reaches the working voltage threshold value of the heat-preservation heating system, the central processing unit cuts off the industrial supplementary electric energy to supply power.
The installation method of the cold region tunnel intelligent heat preservation system comprises the following steps:
1. according to the environmental conditions of the area where the tunnel is located, a wind-solar complementary power generation system is arranged in the area where wind energy and solar energy are sufficient, and a generator set and a photovoltaic assembly are configured according to the total power consumption of the carbon fiber heating film 2.
2. According to the size of the heat preservation layer 3, the installation mode is as shown in fig. 2 and fig. 3, and in a high-temperature area of tunnel portal freezing injury, the carbon fiber heating film 2 with the same size is customized and is adhered to the heat preservation layer 3 through resin glue.
3. As shown in FIG. 4, a temperature sensor 1 is installed at a position intermediate each of the insulating layers 3 and the secondary lining 5.
4. The carbon fiber heating films and the temperature sensors 1 which are in one-to-one correspondence on each heat preservation layer 3 are taken as a single whole, and the whole is connected to an intelligent control system in a parallel connection mode.
5. And finishing the installation and debugging of all the components of the system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An intelligent heat insulation system for a railway tunnel in a cold region is characterized by comprising an energy system, an intelligent control system and a heat insulation layer heating system, wherein the intelligent control system controls the energy system and the heat insulation layer heating system;
the energy system comprises a wind-solar hybrid power generation system and industrial supplementary electric energy;
the heat-insulation layer heating system comprises a heat-insulation layer, a carbon fiber heating film and a temperature sensor, wherein the carbon fiber heating film is laid between the primary lining and the heat-insulation layer, and the temperature sensor is arranged in the middle of each heat-insulation layer and the secondary lining; the carbon fiber heating films and the temperature sensors which are in one-to-one correspondence on each heat insulation layer are taken as a single whole, and the whole is connected to the intelligent control system in a parallel connection mode;
the intelligent control system comprises a central processing unit, a temperature signal analysis module, a heat preservation system heating module and an electric energy monitoring module;
the temperature sensor measures the temperature value of the secondary lining at the corresponding position and feeds the temperature value back to the temperature signal analysis module;
the temperature signal analysis module is used for receiving and analyzing a temperature value of the secondary lining, comparing the received temperature value with a preset temperature value through analysis to obtain a temperature signal, and transmitting the temperature signal to the heat insulation system heating module through the temperature signal transmission module;
the heat-preservation system heating module is used for controlling the heating working state of each carbon fiber heating film, and when the temperature is lower than zero, the heat-preservation system heating module controls the start of the carbon fiber heating film at the corresponding position to carry out heating operation; when the temperature is higher than a set threshold value, the heat preservation system heating module controls the carbon fiber heating film at the corresponding position to stop heating; the electric energy monitoring module is used for monitoring and analyzing the voltage value of the wind-solar hybrid power generation system.
2. The intelligent heat preservation system for railway tunnels in cold regions according to claim 1, wherein the temperature signal analysis module comprises a temperature signal transmission module for transmitting temperature signals to the heat preservation system heating module.
3. The intelligent heat preservation system for the railway tunnel in the cold region as claimed in claim 1, wherein the electric energy monitoring module comprises a voltage value signal transmission module, and the voltage value signal transmission module is used for transmitting the voltage value of the wind-solar hybrid power generation system to the central processing unit.
4. The intelligent heat-insulating system for the railway tunnel in the cold region as claimed in claim 1, wherein the carbon fiber heating film is adhered to the back of each heat-insulating layer by resin glue.
5. The intelligent heat preservation system for the railway tunnel in the cold region as claimed in claim 1, wherein the wind-solar hybrid power generation system stores the electric energy of the wind power generation set and the solar power generation set which are arranged outside the tunnel through the storage battery, and when the wind-solar hybrid power generation system cannot meet the total system power supply, the industrial supplementary electric energy is used for supplying power.
6. The intelligent heat insulation system for the railway tunnel in the cold region as claimed in claim 1, wherein the heat insulation layer is a rigid polyurethane heat insulation board, and EVA waterproof boards are fixed on two sides of the rigid polyurethane heat insulation board.
7. The control method of the intelligent heat preservation system for the railway tunnel in the cold region as claimed in any one of claims 1 to 6, characterized by comprising the following steps:
A. collecting a temperature signal: the temperature sensor measures the temperature value of the secondary lining and feeds the temperature value back to the temperature signal analysis module;
B. temperature signal analysis: the temperature signal analysis module analyzes and compares the temperature value with a preset temperature value and then transmits a temperature signal to the heating module of the heat preservation system through the temperature signal transmission module;
C. and (3) control operation: when the temperature is lower than zero, the heating module of the heat preservation system controls the start of the carbon fiber heating film at the corresponding position to carry out heating operation; when the temperature is higher than a set threshold value, the heat preservation system heating module controls the carbon fiber heating film at the corresponding position to stop heating;
D. the electric energy monitoring module monitors the voltage value of the wind-solar hybrid power generation system and compares the voltage value with a set voltage threshold value, the voltage value signal transmission module transmits a voltage value signal to the central processing unit, when the voltage value is lower than the working voltage threshold value of the heat-preservation heating system, the central processing unit starts industrial supplementary electric energy to supply power, and when the voltage value reaches the working voltage threshold value of the heat-preservation heating system, the central processing unit cuts off the industrial supplementary electric energy to supply power.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112502747B (en) * | 2020-09-30 | 2022-08-23 | 同济大学 | Tunnel anti-freezing and warm-keeping device and method based on wind energy heating and application |
| CN113027482A (en) * | 2021-04-13 | 2021-06-25 | 西安科技大学 | Cold region tunnel anti-fusion multipoint intelligent control system based on phase change cold accumulation and installation method |
| CN113374526B (en) * | 2021-06-16 | 2022-09-20 | 宁波大学 | Positive accumulated temperature ventilation regulating and controlling device and method for cold region tunnel drainage system |
| CN113417695B (en) * | 2021-06-16 | 2022-09-20 | 宁波大学 | Positive accumulated temperature ventilation regulating and controlling device and method for cold region tunnel off-wall type heat insulation structure |
| CN113482672B (en) * | 2021-07-22 | 2024-03-12 | 中国路桥工程有限责任公司 | Cold region tunnel anti-freezing heat preservation and heat preservation system based on heat preservation |
| CN113847068A (en) * | 2021-10-22 | 2021-12-28 | 中国建筑第八工程局有限公司 | Tunnel lining self-adaptation intelligence insulation construction |
| CN114382536A (en) * | 2021-12-17 | 2022-04-22 | 河北省高速公路延崇管理中心 | Traffic wind power generation heat supply anti-freezing system for tunnel drain pipe in cold region |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102296972B (en) * | 2011-06-08 | 2013-10-23 | 长安大学 | Cold region tunnel electric heat tracing active insulation antifreezing facility and construction method thereof |
| CN103216879B (en) * | 2013-04-02 | 2015-08-12 | 中铁隧道集团有限公司 | A kind of tunnel heat supply winterization system |
| CN105002803B (en) * | 2015-08-04 | 2017-06-13 | 武汉理工大学 | A kind of carbon fiber heating film intelligence de-icing method and device |
| CN204877506U (en) * | 2015-08-31 | 2015-12-16 | 长安大学 | Indoor test device in han qu tunnel |
| CN205895271U (en) * | 2016-07-30 | 2017-01-18 | 宏祥新材料股份有限公司 | Tunnel system of preventing frostbite |
| CN205876355U (en) * | 2016-07-31 | 2017-01-11 | 东北林业大学 | Frostproofing soaking board of electric tracing area homogenization heat transfer formula tunnel heat preservation |
| CN106401644B (en) * | 2016-10-27 | 2018-11-30 | 石家庄铁道大学 | A kind of tunnel in cold area air curtain Heat preservation system |
| CN108005691A (en) * | 2017-12-08 | 2018-05-08 | 承德路桥建设总公司 | A kind of tunnel-liner complex heat-preservation method and its complex heat-preservation device |
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Application publication date: 20190115 Assignee: Anhui Shengyan Construction Engineering Co.,Ltd. Assignor: HUAIYIN INSTITUTE OF TECHNOLOGY Contract record no.: X2022980025816 Denomination of invention: An intelligent thermal insulation system for railway tunnels in cold regions and its control method Granted publication date: 20210319 License type: Common License Record date: 20221212 |
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