CN202132057U - A cold region tunnel electric trace heating active heat preservation anti-freezing facility - Google Patents
A cold region tunnel electric trace heating active heat preservation anti-freezing facility Download PDFInfo
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- CN202132057U CN202132057U CN 201120190822 CN201120190822U CN202132057U CN 202132057 U CN202132057 U CN 202132057U CN 201120190822 CN201120190822 CN 201120190822 CN 201120190822 U CN201120190822 U CN 201120190822U CN 202132057 U CN202132057 U CN 202132057U
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- tunnel
- heating cable
- temperature controller
- warming plate
- heat
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Abstract
The utility model discloses a cold region tunnel electric trace heating active heat preservation anti-freezing facility, comprising a secondary tunnel lining, a heating cable and a temperature controller. The heating cable is disposed on a surface of the secondary tunnel lining; a heat preservation plate is covered on the heating cable; a fire-proof plate is covered on the heat preservation plate; the heating cable is connected with the temperature controller; and the heating cable and the temperature controller are connected with a power source. The cold region tunnel electric trace heating active heat preservation anti-freezing facility is environmentally friendly, energy-saving and easy to repair, realizes automatic heat preservation, is capable of actively coping with cave roof icicles and side wall icy pillars appearing on the surface of the second tunnel lining of a tunnel portal segment, and thus guarantees driving safety and is intelligent. The cold region tunnel electric trace heating active heat preservation anti-freezing facility is capable of furthest reducing energy consumption.
Description
Technical field
The utility model relates to the antifreeze facility of tunnel insulation, and particularly a kind of tunnel in cold area electric tracing is the heat-preserving anti-freezing facility initiatively.
Background technology
Season, district cold in nature highway tunnel generally was an over mountain line tunnel, because the long-term water outlet of its surrounding environment becomes stream, hung icicle, abutment wall and hung ice and slip etc., bring very high danger to driving like this and make the secondary lining surface of tunnel portal section show as the top, hole.Simultaneously, freeze injury also to tunnel concrete bring that the surface weathering of numerous structural deteriorations such as lining concrete is serious, vault cracking, sidewall are extruded etc.After the tunnel used a period of time, because seepage and freeze injury, secondary lining water behind can not arranged, and the freeze thawing circulation of country rock can be quickened the destruction of Tunnel Second Lining, and the water translocation of tunnel surrounding in the frost heave process strengthened the destructiveness of frost heave.
In order to guarantee that above-mentioned disaster does not appear in tunnel lining, the freeze proof measure in tunnel at present mainly contains heat-supplying method, winter protection door method and lays the heat-barrier material method, and wherein, the consumption of heat-supplying method energy should not be used too greatly; The winter protection door method is used less owing to disturb driving; Laying the heat-barrier material method is a heat preservation technology that rose and obtained the great attention of circle, tunnel in the last few years, and the surperficial heat insulation treating method that directly lays the thermal insulation layer on the lining concrete surface is more reasonable, reliable.
Flourish along with the highway in China building cause; The highway tunnel continuous advancement in technology; For for the highway tunnel of cold district; If still be employed in the surperficial heat insulation treating method that the thermal insulation layer is directly laid on the lining concrete surface, this method can not make the remaining on more than 0 ℃ of temperature stabilization on secondary lining surface, can not play the effect of anticipation.
Summary of the invention
Defective or deficiency to prior art; The purpose of the utility model is; Initiatively heat-preserving anti-freezing facility of a kind of tunnel in cold area electric tracing is provided, and this heat-preserving anti-freezing facility can initiatively be incubated, and it is simple in structure; Execute work, convenient maintenance and replacement, adopt this facility can effectively avoid the secondary lining of cold district highway tunnel hole section to endure cold broken evil that thawing expands.
In order to realize above-mentioned task, the utility model is taked following technical solution:
A kind of tunnel in cold area electric tracing is the heat-preserving anti-freezing facility initiatively; The secondary lining that comprises the tunnel; It is characterized in that this facility also comprises heating cable and temperature controller, said heating cable is arranged in the surface of secondary lining; On heating cable, be coated with warming plate, on this warming plate, be coated with PLASTIC LAMINATED; Said heating cable is connected with temperature controller, and said heating cable all is connected with power supply with temperature controller.
The other technologies of the utility model are characterized as:
Be connected with the temperature control probe on the said temperature controller, this temperature control probe places the heating cable side.
Said heating cable is connected with power supply through three grades of line breakers; Said temperature controller is connected with power supply through contactor.
Said warming plate is the auxilliary aluminium foil warming plate of phenol formaldehyde foam.
Said PLASTIC LAMINATED is that glass fiber strengthens the silicic acid cover plate.
Said heating cable is fixed in the secondary lining surface by ply-yarn drill.
Be provided with band steel between said warming plate and the PLASTIC LAMINATED, said warming plate is fixed by the expansion bolt that passes band steel and warming plate successively, and said PLASTIC LAMINATED is fixed by the tapping screw that passes PLASTIC LAMINATED and band steel successively.
The technique effect of the utility model is following:
The utility model provides facility environmental protection, energy-conservation and easy to maintenance; Facility can initiatively be incubated; Icicle is hung on timely top, hole of tackling the secondary lining surface of tunnel portal section energetically, abutment wall is hung ice slide etc.; Guarantee the safety of driving a vehicle more increase the intellectuality that has shown facility, and this facility can cut down the consumption of energy to greatest extent.
The tunnel in cold area electric tracing that adopts the utility model is the heat-preserving anti-freezing system initiatively, can reasonably select heating power according to the temperature of tunnel portal section, makes the temperature of tunnel lining remain at more than 0 ℃, guarantees that freeze injury does not take place in the tunnel.
Description of drawings
Fig. 1 is the partial structurtes sketch map of the facility of the utility model;
Fig. 2 is II-II sectional view of Fig. 1;
Fig. 3 is the circuit diagram of the facility of the utility model.
Below in conjunction with embodiment and accompanying drawing the utility model is described further.
The specific embodiment
The tunnel in cold area electric tracing of the utility model is the heat-preserving anti-freezing facility initiatively; The secondary lining 1, heating cable 2 and the temperature controller 8 that comprise the tunnel; Said heating cable 2 is arranged in the surface of secondary lining 1; And on heating cable 2, be coated with warming plate 3, this warming plate 3 can select for use phenol formaldehyde foam to assist the aluminium foil warming plate; Said heating cable 2 is connected with temperature controller 8, and heating cable 2 all is connected with power supply with temperature controller 8; On this warming plate 3, be coated with PLASTIC LAMINATED 6, the material of this PLASTIC LAMINATED 6 can be glass fiber and strengthens the silicic acid cover plate; Be connected with temperature control probe 9 on the said temperature controller 8, this temperature control probe 9 places heating cable 2 sides, places particularly between two sections heating cable of arranged adjacent.When heating cable 2 is modular arrange or according to the construction section in tunnel, arranging, be better control device work, wherein heating cable 2, three grades of line breakers 11 are connected with power supply successively; Temperature controller 8, contactor 10, three grades of line breakers 11 are connected with power supply successively; Heating cable 2 available lines wherein fix due to the secondary lining surface; For fixing warming plate 3 and PLASTIC LAMINATED 6; Can between above-mentioned warming plate 3 and PLASTIC LAMINATED 6, establish band steel 4; Wherein warming plate 3 is fixing by passing band steel 4 and warming plate 3 successively and penetrating the expansion bolt 5 of secondary lining 1, and PLASTIC LAMINATED 6 is fixing with the tapping screw 7 of band steel 4 by passing PLASTIC LAMINATED 6 successively.
As shown in Figure 3; Three grades of total power switch that line breaker is whole facility wherein, after the energising, the temperature controller in the facility is equivalent to a temp control switch; When the heating cable place that temperature control probe records is that the temperature on sub-surface surface is when being higher than preset temperature; Temperature controller is with regard to disconnecting circuit, and when the temperature that records was lower than preset temperature, temperature controller was just connected circuit.For the control power of avoiding temperature controller can not satisfy the power requirement of facility, available contactor amplifies the power of temperature controller, to ensure the job security of whole facility.
The tunnel in cold area electric tracing of the utility model initiatively heat-preserving anti-freezing facility can adopt the following step to construct:
The work of executing of the elementary supporting of tunnel portal, draining semicanal, band drain and two linings is constructed according to the design standard strictness, after Tunnel Second Lining is built completion in, specifically adopts the following step to build initiatively heat-preserving anti-freezing facility of tunnel in cold area electric tracing:
Step 1 is arranged in the Tunnel Second Lining surface with heating cable, and with ply-yarn drill heating cable is fixed in the Tunnel Second Lining surface;
Step 3 is connected in the temperature control probe on the temperature controller, and this temperature control probe is placed the heating cable side, promptly between two sections heating cable of arranged adjacent;
Step 4; The auxilliary aluminium foil warming plate of phenol formaldehyde foam is installed on heating cable, and on warming plate, is arranged the band steel of 40mm * 3mm, the spacing between the band steel is 450mm; Use the expansion bolt of M10 * 120 to pass fixedly warming plate of band steel and warming plate successively again, the spacing of expansion bolt is 500mm; Can before or after arranging heating cable, bore the hole of placing expansible plug, and heating cable is apart from the distance of hole 20mm on the Tunnel Second Lining surface,
Step 5; Strengthen calcium silicate board at the auxilliary aluminium foil warming plate surface arrangement glass fiber of phenol formaldehyde foam; Tapping screw with ST6 * 12 passes glass fiber enhancing calcium silicate board and band steel fixing glass fiber reinforced calcium silicate board successively; The spacing of screw is 250mm, strengthens the local perforate that runs into the expansion bolt head on the calcium silicate board at glass fiber, makes glass fiber strengthen calcium silicate board and can be close to band steel.
Claims (7)
1. tunnel in cold area electric tracing heat-preserving anti-freezing facility initiatively; The secondary lining (1) that comprises the tunnel; It is characterized in that this facility also comprises heating cable (2) and temperature controller (8), said heating cable (2) is arranged in the surface of secondary lining (1); On heating cable (2), be coated with warming plate (3), on this warming plate (3), be coated with PLASTIC LAMINATED (6); Said heating cable (2) is connected with temperature controller (8), and said heating cable (2) all is connected with power supply with temperature controller (8).
2. tunnel in cold area electric tracing as claimed in claim 1 is the heat-preserving anti-freezing facility initiatively, it is characterized in that, is connected with temperature control probe (9) on the said temperature controller (8), and this temperature control probe (9) places heating cable (2) side.
3. tunnel in cold area electric tracing as claimed in claim 1 is the heat-preserving anti-freezing facility initiatively, it is characterized in that, said heating cable (2) is connected with power supply through three grades of line breakers (11); Said temperature controller (8) is connected with power supply through contactor (10).
4. tunnel in cold area electric tracing as claimed in claim 1 is the heat-preserving anti-freezing facility initiatively, it is characterized in that, said warming plate (3) is the auxilliary aluminium foil warming plate of phenol formaldehyde foam.
5. tunnel in cold area electric tracing as claimed in claim 1 is the heat-preserving anti-freezing facility initiatively, it is characterized in that, said PLASTIC LAMINATED (6) strengthens the silicic acid cover plate for glass fiber.
6. tunnel in cold area electric tracing as claimed in claim 1 is the heat-preserving anti-freezing facility initiatively, it is characterized in that said heating cable (2) is fixed in secondary lining (1) surface by ply-yarn drill.
7. like the described tunnel in cold area electric tracing active of arbitrary claim in above-mentioned claim heat-preserving anti-freezing facility; It is characterized in that; Be lined with band steel (4) between said warming plate (3) and the PLASTIC LAMINATED (6); Said warming plate (3) is fixing with the expansion bolt (5) of warming plate (3) by passing band steel (4) successively, and said PLASTIC LAMINATED (6) is fixing with the tapping screw (7) of band steel (4) by passing PLASTIC LAMINATED (6) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120190822 CN202132057U (en) | 2011-06-08 | 2011-06-08 | A cold region tunnel electric trace heating active heat preservation anti-freezing facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120190822 CN202132057U (en) | 2011-06-08 | 2011-06-08 | A cold region tunnel electric trace heating active heat preservation anti-freezing facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202132057U true CN202132057U (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120190822 Expired - Fee Related CN202132057U (en) | 2011-06-08 | 2011-06-08 | A cold region tunnel electric trace heating active heat preservation anti-freezing facility |
Country Status (1)
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| CN (1) | CN202132057U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437799A (en) * | 2013-08-16 | 2013-12-11 | 浙江海洋学院 | Tunnel anti-freezing dehumidification system |
| CN105133796A (en) * | 2015-08-24 | 2015-12-09 | 中国铁道科学研究院铁道建筑研究所 | Electric heat tracing panel and automatic ice and snow melting system |
| CN107762538A (en) * | 2017-12-08 | 2018-03-06 | 承德路桥建设总公司 | A kind of tunnel-liner heat-insulating method and its heat insulation and preservation device |
| 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 |
| CN110243856A (en) * | 2019-07-03 | 2019-09-17 | 陕西交通技术咨询有限公司 | Simulate the detection device and detection method on tunnel in cold area road surface |
| CN114109453A (en) * | 2021-11-05 | 2022-03-01 | 重庆交通大学 | Automatic heat preservation control structure of traffic tunnel in frozen soil district in season |
-
2011
- 2011-06-08 CN CN 201120190822 patent/CN202132057U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437799A (en) * | 2013-08-16 | 2013-12-11 | 浙江海洋学院 | Tunnel anti-freezing dehumidification system |
| CN103437799B (en) * | 2013-08-16 | 2016-05-18 | 浙江海洋学院 | The antifreeze dehumidification system in a kind of tunnel |
| CN105133796A (en) * | 2015-08-24 | 2015-12-09 | 中国铁道科学研究院铁道建筑研究所 | Electric heat tracing panel and automatic ice and snow melting system |
| CN107762538A (en) * | 2017-12-08 | 2018-03-06 | 承德路桥建设总公司 | A kind of tunnel-liner heat-insulating method and its heat insulation and preservation device |
| 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 |
| CN110243856A (en) * | 2019-07-03 | 2019-09-17 | 陕西交通技术咨询有限公司 | Simulate the detection device and detection method on tunnel in cold area road surface |
| CN114109453A (en) * | 2021-11-05 | 2022-03-01 | 重庆交通大学 | Automatic heat preservation control structure of traffic tunnel in frozen soil district in season |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20120608 |