CN204920992U - Frostproofing structure of han qu tunnel design phase change material heat preservation - Google Patents
Frostproofing structure of han qu tunnel design phase change material heat preservation Download PDFInfo
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- CN204920992U CN204920992U CN201520716751.3U CN201520716751U CN204920992U CN 204920992 U CN204920992 U CN 204920992U CN 201520716751 U CN201520716751 U CN 201520716751U CN 204920992 U CN204920992 U CN 204920992U
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Abstract
The utility model discloses a frostproofing structure of han qu tunnel design phase change material heat preservation, including setting up the waterproof layers on two lining surfaces in the tunnel, be provided with the heated board on the waterproof layer, be provided with phase change material energy storage layer between waterproof layer and heated board, phase change material energy storage layer can be released the heat and passed through the waterproof layer and release to two linings in the tunnel in. The utility model discloses compact structure, simple to operate, high -efficient ice -melt, energy consumption are hanged down, the investment is little and can realize indirect heating - heat -retaining - ice -melt control, and thermoelectric conversion efficiency is up to more than 99%.
Description
Technical field
The utility model relates to construction of tunnel diaster prevention and control technical field, is specifically related to the sizing of a kind of tunnel in cold area and wants to become material heat-preserving anti-freezing structure.
Background technology
When temperature temperature builds tunnel lower than the cold district of 0 DEG C, can inevitably occur freezing and accumulated snow phenomenon, it is embodied in, and icicle is hung in the top-hung of Tunnel Second Lining hole, abutment wall hangs the diseases such as ice slips, if these diseases solve not in time, secondary lining water behind can not arranged, the Frozen-thawed cycled of country rock can accelerate the destruction of Tunnel Second Lining, brings numerous structural deteriorations to tunnel concrete, has a strong impact on the safe operation of train and the normal use of building.Therefore, adopt rational heat-preserving anti-freezing system to reduce driving hidden danger to tunnel in cold area, avoid generation traffic accident most important.
At present, the domestic scheme having many tunnel insulations antifreeze, the winter protection door method of such as domestic usual employing and heat-supplying method, the infrared heating device of Japan, the hot air door spacer assembly etc. of the U.S..Wherein, heat-supplying method energy ezpenditure should not use too greatly; Winter protection door method, due to interference driving, uses less; Although infrared heating, hot air door spacer assembly method are effective, long in time limit, investment large, it is complicated to install, do not meet China's national situation.Therefore, need a kind of low, easy construction of consuming energy, ice-melt fast and the new structure that effect is lasting to meet production requirement.
Summary of the invention
For above-mentioned problems of the prior art, the purpose of this utility model is, provide a kind of compact conformation, easy for installation, efficient ice-melt, energy consumption low, invest little and the tunnel phase-change material heat-preserving anti-freezing structure that indirect heating-heat accumulation-ice-melt controls can be realized.
In order to realize above-mentioned task, the utility model by the following technical solutions:
A kind of tunnel in cold area sizing phase-change material heat-preserving anti-freezing structure, comprise the waterproofing course being arranged on tunnel double-lining surface, waterproofing course is provided with warming plate, between waterproofing course and warming plate, be provided with phase-change material energy storage layer, phase-change material energy storage layer can release heat be discharged in tunnel double-lining by waterproofing course.
Further, described phase-change material energy storage layer comprises phase-change material layers, is equipped with heating element in phase-change material layers mid-game winding; Phase-change material energy storage layer is encapsulated in a shell.
Further, described heating element forms loop by wire and be serially connected with power supply on loop, and loop is also provided with temperature switch, and temperature switch can according to the break-make of Current Temperatures control loop electric current.
Further, described temperature switch comprises controller and the temperature pick up be connected on the controller, relay, when phase-change material layers temperature reaches critical-temperature T
0time, controller is by relay conducting loop, and heating element starts heating; When phase-change material layers temperature reaches critical-temperature T
1time Controller is by relay cutoff circuit.
Further, described warming plate surface is provided with PLASTIC LAMINATED.
The utility model has following technical characterstic:
Sizing phase-change material can effective store heat make even heat transmission, is then delivered to tunnel double-lining surface by waterproofing course, the power consumption of this process is low, safe and reliable, long service life cuts heat-preserving anti-freezing excellent.First, a kind of tunnel in cold area sizing phase-change material heat-preserving anti-freezing structure of this reality invention is with sizing phase-change material and ferrous alloy heating element for medium, and phase-change material can effectively store and heat dispersing, makes anti-icing ice-melt even, avoid heating element to work long hours, reduce operating cost.Secondly, the resistivity of ferrous alloy is high, can be heat energy by the electric energy conversion up to more than 99%, and its hardness is high, and well, non-oxidizability is good for anti-vibration and shock resistance, and low price, for working long hours of phase-change material plate provides guarantee.Again, heating element is connected with temperature switch, and when phase-change material is in heat accumulation ice-melt state, heater circuit is in park mode, when phase-change material is lower than critical-temperature T
0time, ferrous alloy heating element is in heating mode, and its heat is directly delivered in polymeric phase change material and realizes phase-change thermal storage, when critical-temperature arrives T
1in time, stops heating, and this intermittent-heating-heat accumulation-ice-melt mode, makes compact, the efficient ice-melt of this composite plate structure.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of sizing phase-change material energy-storage layer;
Number in the figure represents: 10-tunnel double-lining, 11-waterproofing course, 12-phase-change material energy storage layer, 13-warming plate, 14-PLASTIC LAMINATED, 15-power supply, 121-phase-change material layers, 122-wire, 123-shell, 124-heating element, 131-band steel, 132-expansion bolt, 141-tapping screw, 151-temperature switch.
Detailed description of the invention
The utility model proposes a kind of structure, can release heat in case stagnant ice freezes, can partly store while release heat when tunnel double-lining temperature is too low, to keep long heat insulation effect.
As shown in Figure 1, a kind of tunnel in cold area sizing phase-change material heat-preserving anti-freezing structure, comprise the waterproofing course 11 being arranged on tunnel double-lining 10 surface, waterproofing course 11 is provided with warming plate 13, between waterproofing course 11 and warming plate 13, be provided with phase-change material energy storage layer 12, phase-change material energy storage layer 12 can release heat be discharged in tunnel double-lining 10 by waterproofing course 11.
The waterproofing course 11 arranged in this programme is the good waterproof roll of the thermal conductivity with cementability, directly and tunnel double-lining 10 and phase-change material energy storage layer 12 closely bond, the cementability itself had and good thermal conductivity are avoided using extra adhesives, reduce the thickness of structure, improve heat transfer efficiency.
Particularly, the phase-change material energy storage layer 12 in this programme comprises phase-change material layers 121, is equipped with heating element 124 in phase-change material layers 121 mid-game winding; Phase-change material energy storage layer 12 is encapsulated in a shell 123.
Above-mentioned phase-change material layers 121 is a kind of solid-liquid dimensionally stable polymeric phase change material, be made up of phase-change material and backing material, wherein phase-change material is paraffin, or paraffin class material, backing material is one or more in a series of macromolecular material such as HDPE (polyethylene from high pressure process), PS (polystyrene branch), PP (polypropylene).Because the macromolecular materials such as HDEP have tridimensional network, by the macromolecular materials such as compound can be formed by coated for phase-change material with phase-change material melt blending, therefore during paraffin melting, the macromolecular materials such as polyethylene can play the effect supporting and encapsulate, make the solid state that material keeps in profile before and after phase transformation, without the need to tight encapsulation, seepage can not occur under simplified package, and its cost is low, quality is light.Phase-change material energy storage layer 12 is encapsulated in a shell 123, prevents phase-change material layers 121 melt-flow in heating process from making phase-change material layers 121 be out of shape and affect result of use; Here shell 123 requires to have good thermal conductivity and insulating properties.
As shown in Figure 2, be the internal construction schematic diagram of phase-change material energy storage layer 12.Heating element 124 forms loop by wire 122 and on loop, is serially connected with power supply 15, and loop is also provided with temperature switch 151, and temperature switch 151 can according to the break-make of Current Temperatures control loop electric current.
Above-mentioned heating element 124 can adopt ferrous alloy, and according to the example in diagram, heating element 124 coiling is evenly distributed in phase-change material layers 121, and is fixed by line card; Temperature switch 151 on loop is mainly used to the break-make of control loop, and the foundation of control is current temperature value.This ferrous alloy heating element 124 has high resistivity and hardness, and well, non-oxidizability is good for anti-vibration and shock resistance, and low price.
Warming plate 13 is phenolic foam heat insulation plate 13, can reduce heat and scatter and disappear in ice-melt direction dorsad, improve ice-melt effect.
More specifically, temperature switch 151 comprises controller and the temperature pick up be connected on the controller, relay; Wire 122 on loop is disconnected, the fixed contact of relay, armature contact is connected respectively the wire 122 of disconnection; When phase-change material layers 121 temperature reaches critical-temperature T
0time, controller is by relay conducting loop, and heating element 124 starts heating; When phase-change material layers 121 temperature reaches critical-temperature T
1time Controller is by relay cutoff circuit.While heating, heat is delivered in phase-change material layers 121 and achieves phase-change thermal storage.
Warming plate 13 surface is provided with PLASTIC LAMINATED 14, and PLASTIC LAMINATED 14 is glass fiber reinforcement silicic acid cover plate, and is connected with warming plate 13 with tapping screw 141.
The anti-freezing structure work progress of this programme is with reference to as follows:
1. waterproof roll (waterproofing course 11) is arranged in tunnel double-lining 10 surface;
2. heating element 124 is arranged in phase-change material layers 121, and fixes with line card;
3. heating element 124 is connected in series with temperature switch 151, is then connected with power supply 15, temperature pick up is placed in phase-change material layers 121;
4. with shell 123, phase-change material layers 121 is encapsulated, composition phase-change material energy storage layer 12;
5. on phase-change material energy storage layer 12, arrange warming plate 13, on warming plate 13, surrounding arranges 45mm × 4mm band steel 131, then fixes warming plate 13 through band steel 131 and warming plate 13 successively with expansion bolt 132;
6. arrange PLASTIC LAMINATED 14 on warming plate 13 surface, and fix PLASTIC LAMINATED 14 through PLASTIC LAMINATED 14 and band steel 131 successively with tapping screw 141, the local perforate simultaneously running into expansion bolt 132 in PLASTIC LAMINATED 14 makes PLASTIC LAMINATED 14 be close to band steel 131, and then completes constructing operation.
Operating principle of the present utility model is: when environment temperature is below 0 DEG C time, and a large amount of heat be stored in sizing phase-change material is released on tunnel double-lining 10 surface through waterproofing course 11, prevents tunnel internal from freezing.When phase-change material temperature reaches critical-temperature T
0time, ferrous alloy heating element 124 opens heating mode, and its heat is directly delivered in polymeric phase change material and realizes phase-change thermal storage, when critical-temperature arrives T
1in time, stops heating, and conversion efficiency of thermoelectric is up to more than 99%.
Claims (5)
1. a tunnel in cold area sizing phase-change material heat-preserving anti-freezing structure, it is characterized in that, comprise the waterproofing course (11) being arranged on tunnel double-lining (10) surface, waterproofing course (11) is provided with warming plate (13), between waterproofing course (11) and warming plate (13), be provided with phase-change material energy storage layer (12), phase-change material energy storage layer (12) can release heat be discharged in tunnel double-lining (10) by waterproofing course (11).
2. tunnel in cold area sizing phase-change material heat-preserving anti-freezing structure as claimed in claim 1, it is characterized in that, described phase-change material energy storage layer (12) comprises phase-change material layers (121), is equipped with heating element (124) in phase-change material layers (121) mid-game winding; Phase-change material energy storage layer (12) is encapsulated in a shell (123).
3. tunnel in cold area sizing phase-change material heat-preserving anti-freezing structure as claimed in claim 2, it is characterized in that, described heating element (124) forms loop by wire (122) and on loop, is serially connected with power supply (15), loop is also provided with temperature switch (151), and temperature switch (151) can according to the break-make of Current Temperatures control loop electric current.
4. tunnel in cold area sizing phase-change material heat-preserving anti-freezing structure as claimed in claim 3, it is characterized in that, described temperature switch (151) comprises controller and the temperature pick up be connected on the controller, relay, when phase-change material layers (121) temperature reaches critical-temperature T
0time, controller is by relay conducting loop, and heating element (124) starts heating; When phase-change material layers (121) temperature reaches critical-temperature T
1time Controller is by relay cutoff circuit.
5. tunnel in cold area sizing phase-change material heat-preserving anti-freezing structure as claimed in claim 1, it is characterized in that, described warming plate (13) surface is provided with PLASTIC LAMINATED (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716751.3U CN204920992U (en) | 2015-09-16 | 2015-09-16 | Frostproofing structure of han qu tunnel design phase change material heat preservation |
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| CN201520716751.3U CN204920992U (en) | 2015-09-16 | 2015-09-16 | Frostproofing structure of han qu tunnel design phase change material heat preservation |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863685A (en) * | 2016-06-12 | 2016-08-17 | 东南大学 | Phase change temperature-adjusting plate based anti-freezing thermal-insulation structure for tunnel and construction method of phase change temperature-adjusting plate based anti-freezing thermal-insulation structure for tunnel |
| CN106089264A (en) * | 2016-06-12 | 2016-11-09 | 东南大学 | Tunnel based on phase-changing and temperature-regulating concrete anti-freezing and heat-insulating structure and construction method |
| CN106089263A (en) * | 2016-06-12 | 2016-11-09 | 东南大学 | Tunnel based on phase-changing and temperature-regulating gunite concrete anti-freezing and heat-insulating structure and construction method |
| 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 |
| CN106437792A (en) * | 2016-12-16 | 2017-02-22 | 绍兴文理学院 | Inverted arc layer buried geothermal anti-freezing heating system of energy tunnel |
| CN106437791A (en) * | 2016-12-16 | 2017-02-22 | 绍兴文理学院 | Energy source tunnel lining composite type ground warmth anti-freezing heating system |
| 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 |
| CN106593491A (en) * | 2016-12-16 | 2017-04-26 | 绍兴文理学院 | Ground temperature anti-freezing heating system of energy tunnel lining burying type |
| CN112627889A (en) * | 2020-12-21 | 2021-04-09 | 中铁二院工程集团有限责任公司 | High-cold long and large railway tunnel anti-freezing structure and method utilizing surrounding rock underground water heat energy |
| CN113323690A (en) * | 2021-07-08 | 2021-08-31 | 山东建筑大学 | Deicing system and method for cold region tunnel lining |
| CN114687282A (en) * | 2022-04-08 | 2022-07-01 | 山东大学 | Bridge pier column snow melting system based on ettringite phase change energy storage |
| CN114704326A (en) * | 2022-05-06 | 2022-07-05 | 哈尔滨工业大学 | High and cold district tunnel drain bar with phase transition is from energy storage and temperature adjustment is frostproofing |
| CN115030753A (en) * | 2022-05-11 | 2022-09-09 | 中国科学院西北生态环境资源研究院 | Anti-frost-heaving roadway heat-preservation support system and construction method and heat-preservation control method thereof |
-
2015
- 2015-09-16 CN CN201520716751.3U patent/CN204920992U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863685B (en) * | 2016-06-12 | 2017-11-28 | 东南大学 | Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating plate |
| CN106089264A (en) * | 2016-06-12 | 2016-11-09 | 东南大学 | Tunnel based on phase-changing and temperature-regulating concrete anti-freezing and heat-insulating structure and construction method |
| CN106089263A (en) * | 2016-06-12 | 2016-11-09 | 东南大学 | Tunnel based on phase-changing and temperature-regulating gunite concrete anti-freezing and heat-insulating structure and construction method |
| CN106089263B (en) * | 2016-06-12 | 2018-02-02 | 东南大学 | Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating gunite concrete |
| CN105863685A (en) * | 2016-06-12 | 2016-08-17 | 东南大学 | Phase change temperature-adjusting plate based anti-freezing thermal-insulation structure for tunnel and construction method of phase change temperature-adjusting plate based anti-freezing thermal-insulation structure for tunnel |
| CN106089264B (en) * | 2016-06-12 | 2018-02-02 | 东南大学 | Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating concrete |
| CN106437792A (en) * | 2016-12-16 | 2017-02-22 | 绍兴文理学院 | Inverted arc layer buried geothermal anti-freezing heating system of energy tunnel |
| CN106593491A (en) * | 2016-12-16 | 2017-04-26 | 绍兴文理学院 | Ground temperature anti-freezing heating system of energy tunnel lining burying type |
| 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 |
| CN106437791A (en) * | 2016-12-16 | 2017-02-22 | 绍兴文理学院 | Energy source tunnel lining composite type ground warmth anti-freezing heating system |
| 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 |
| CN112627889A (en) * | 2020-12-21 | 2021-04-09 | 中铁二院工程集团有限责任公司 | High-cold long and large railway tunnel anti-freezing structure and method utilizing surrounding rock underground water heat energy |
| CN112627889B (en) * | 2020-12-21 | 2023-01-20 | 中铁二院工程集团有限责任公司 | High-cold long and large railway tunnel anti-freezing structure and method utilizing surrounding rock underground water heat energy |
| CN113323690A (en) * | 2021-07-08 | 2021-08-31 | 山东建筑大学 | Deicing system and method for cold region tunnel lining |
| CN113323690B (en) * | 2021-07-08 | 2023-08-22 | 山东建筑大学 | Deicing system and method for tunnel lining in cold region |
| CN114687282A (en) * | 2022-04-08 | 2022-07-01 | 山东大学 | Bridge pier column snow melting system based on ettringite phase change energy storage |
| CN114704326A (en) * | 2022-05-06 | 2022-07-05 | 哈尔滨工业大学 | High and cold district tunnel drain bar with phase transition is from energy storage and temperature adjustment is frostproofing |
| CN115030753A (en) * | 2022-05-11 | 2022-09-09 | 中国科学院西北生态环境资源研究院 | Anti-frost-heaving roadway heat-preservation support system and construction method and heat-preservation control method thereof |
| CN115030753B (en) * | 2022-05-11 | 2023-08-08 | 中国科学院西北生态环境资源研究院 | Anti-frost-heaving roadway heat-insulation support system, construction method thereof and heat-insulation control method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160916 |
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| CF01 | Termination of patent right due to non-payment of annual fee |