CN204386623U - A kind of tunneling drain heat-preserving anti-freezing system - Google Patents
A kind of tunneling drain heat-preserving anti-freezing system Download PDFInfo
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- CN204386623U CN204386623U CN201420870340.5U CN201420870340U CN204386623U CN 204386623 U CN204386623 U CN 204386623U CN 201420870340 U CN201420870340 U CN 201420870340U CN 204386623 U CN204386623 U CN 204386623U
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- freezing system
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Abstract
The utility model relates to a kind of tunneling drain heat-preserving anti-freezing system, and this system comprises the ring direction drainpipe arranged along tunnel lining circumference, the longitudinal drainage pipe be communicated with ring direction drainpipe arranged along the bottom of tunnel axis, the central drain being arranged on center, tunnel and is connected the transverse drain of central drain and longitudinal drainage pipe.Tunnel drainage pipeline heat-preserving anti-freezing system of the present utility model, is arranged by the connection of hoop, longitudinal direction, transverse direction and central drain, the infiltration of tunnel upper can be discharged by this drainage system fast and effectively, be conducive to the drainage effect of tunnel entirety; Transverse direction, longitudinal direction and central drain all adopt double-layer heat insulation gutter, make the entire thermal resistance increase of diabatic process to weaken heat transfer, make the temperature of drainage pipe inside can be maintained to more than 0 DEG C.
Description
Technical field
The utility model relates to construction of tunnel heat-preserving anti-freezing field, is specifically related to a kind of tunnel drainage pipeline heat-preserving anti-freezing system.
Background technology
Seasonal tunnel, highway in cold region is generally over mountain line tunnel, because the long-term water outlet of its surrounding environment becomes stream, when outside air temperature is reduced to subzero, the drainage system of tunnel portal section easily freezes, after water congeals into ice, volume increases hardness and increases, tunnel drainage ditch may be blocked, tunnel drainage ditch is caused to lose the function of draining, also be easy to cause in tunnel by structure such as lining cutting etc. that ponding soaks) suffer frost heave and produce cracking, crisp broken, the problem, the safety of traffick and personnel in serious threat tunnel such as to peel off.
The relevant departments of tunnel inner road operation need to spend a large amount of manpower and materials to remove freezing of tunnel drainage ditch every year usually, and under efficiency, cost is higher.Common as: manually remove method, mechanical removal method.
Namely artificial removing method manually removes ice cube, and this method efficiency is lower, and when drainage pipe freeze segment length, ice forming locations hidden time, this method is difficult to meet actual needs.And tunnel in most cases passes through meagrely-populated area, carry out artificial deicing by road maintenance workman, barely satisfactory especially.
For mechanical removal method, because domestic professed machine is not in this respect a lot, and China is vast in territory, and the climatic environment of various places is not quite similar, and relies on merely import, can not satisfy the demand.Further, though the successful of machinery when removing less ice cube, in case of ice forming locations is hidden, the effect of mechanical deicing is undesirable, economic benefit is not good yet.
In sum, the defect easily freezed is there is in existing tunnel drainage pipeline near hole, have impact on the safety in tunnel, and existing de-icing method is inherently comparatively passive, the disaster problem in icing section gutter can not be tackled in time energetically, and on the whole function singleness, output is few, technical level is low, and operability has very large limitation.Therefore, research and develop a kind of technical pattern simultaneously preventing and treating tunnel drainage pipeline icing, for cold regions engineering construction, there is important engineering significance.
Summary of the invention
For defect of the prior art and deficiency, the utility model solves existing tunnel drainage pipeline near hole, there is the problem easily freezing to affect tunnel safety.
For solving the problem, the technical scheme that the utility model is taked is:
A kind of tunneling drain heat-preserving anti-freezing system, this system comprises the ring direction drainpipe arranged along tunnel lining circumference, the longitudinal drainage pipe be communicated with ring direction drainpipe arranged along the axial bottom of tunnel lining, the central drain being arranged on center, tunnel and is connected the transverse drain of central drain and longitudinal drainage pipe.
Concrete, described transverse drain comprises coaxial heat-insulating water discharging pipe, airspace for heat insulation, insulating tube and the insulation layer arranged from inside to outside;
Described heat-insulating water discharging pipe is fixedly connected with insulating tube by the base axially arranged along insulating tube;
The structure of described longitudinal drainage pipe, central drain and transverse drain is identical.
More specifically, the shape in the cross section of described base is fan-shaped.
Further, the periphery of described heat-insulating water discharging pipe is also provided with heating and thermal insulation layer, and heating and thermal insulation layer comprises heating cable layer and adiabator layer.
Concrete, described heat-insulating water discharging pipe is PVC drain pipe, the thickness of airspace for heat insulation is 3 ~ 5cm, insulating tube is PVC drain pipe, insulation layer comprises phenol formaldehyde foam layer and aluminium foil layer, and the thickness of insulation layer is 2 ~ 3cm, and adiabator layer comprises phenol formaldehyde foam layer and aluminium foil layer, the thickness of adiabator layer is 2 ~ 3cm, and base is steel base.
Also have, the heating work circuit of described heating and thermal insulation layer comprises the three grades of line breakers be connected with positive source, the contactor of connecting successively with three grades of line breakers, temperature controller and heating cable, heating cable is connected with power cathode, and temperature control probe is also installed on temperature controller, described temperature control probe is used for measuring the temperature in heating cable.
In addition, described ring direction drainpipe comprises gutter and the filtration beds of coaxial setting from inside to outside.
Concrete, described gutter adopts the flexible porous tube supported with antirust turn, and described filtration beds adopts non-woven geotechnical cloth layer.
Compared with prior art, advantage of the present utility model is:
(1) tunnel drainage pipeline heat-preserving anti-freezing system of the present utility model, arranged by the connection of hoop, longitudinal direction, transverse direction and central drain, the infiltration of tunnel upper can be discharged by this drainage system fast and effectively, be conducive to the drainage effect of tunnel entirety;
(2) horizontal, longitudinal direction of the present utility model and central drain all adopt double-layer heat insulation gutter, good heat insulating effect is realized by arranging of insulation layer, airspace for heat insulation and heating and thermal insulation layer, internal layer gutter is fixed in the middle of externally drained pipe by inner base, make between its with externally drained pipe to becoming air layer, and air thermal conductivity is very low, it is good thermal insulation medium, add that the heat insulation layer be arranged on around externally drained pipe makes the entire thermal resistance increase of diabatic process to weaken heat transfer, make the temperature of drainage pipe inside can be maintained to more than 0 DEG C;
(3) flexible porous tube that ring direction drainpipe of the present utility model adopts supports body with antirust turn, and non-woven geotextile is wrapped in around water pipe, sediment contamination can not be entered in pipe, thus reach the function of clean infiltration, and dacron thread is outer has excellent absorbency around happiness coating, can collect rapidly excessive moisture in the soil body, compared with prior art, not be used on country rock and rearrange geotextile material, reduce construction volume.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is heating and thermal insulation Rotating fields schematic diagram of the present utility model;
Fig. 4 is the utility model ring direction drainpipe structural representation;
Fig. 5 is the utility model heating cable working circuit diagram;
In figure, each label is expressed as: 1-tunnel lining, 2-ring direction drainpipe, 201-gutter, 202-filtration beds, 3-longitudinal drainage pipe, 4-transverse drain, 401-base, 402-airspace for heat insulation, 403-insulation layer, 404-insulating tube, 405-heating and thermal insulation layer, 4050-heating cable, 4051-temperature control probe, 4052-temperature controller, 4053-contactor, 4054-tri-grades of line breakers, 406-heat-insulating water discharging pipe, 5-central drain;
Below in conjunction with specification drawings and specific embodiments, the utility model is illustrated.
Detailed description of the invention
Tunneling drain heat-preserving anti-freezing system of the present utility model comprises the ring direction drainpipe arranged along tunnel lining circumference, the longitudinal drainage pipe be communicated with ring direction drainpipe arranged along the bottom of tunnel axis, the central drain being arranged on center, tunnel and is connected the transverse drain of central drain and longitudinal drainage pipe; The infiltration of tunnel upper can be discharged by this drainage system fast and effectively, be conducive to the drainage effect of tunnel entirety;
Transverse drain comprises coaxial heat-insulating water discharging pipe, airspace for heat insulation, insulating tube and the insulation layer arranged from inside to outside; Heat-insulating water discharging pipe is fixedly connected with insulating tube by the base axially arranged along insulating tube; The structure of longitudinal drainage pipe, central drain and longitudinal drainage pipe is identical, good heat insulating effect;
The shape in the cross section of base is fan-shaped, and other parts just constitute airspace for heat insulation, not only facilitate the installation of body, and makes the volume energy of the air heat insulating layer between two bodys maximum;
The periphery of heat-insulating water discharging pipe is also provided with heating and thermal insulation layer, heating and thermal insulation layer comprises heating cable layer and adiabator layer, when weather temperature is lower, when can not ensure situation more than 0 DEG C of temperature in pipe by means of only above-mentioned insulation construction, can be heated by heating cable;
The heating work circuit of heating and thermal insulation layer comprises the three grades of line breakers be connected with positive source, the contactor of connecting successively with three grades of line breakers, temperature controller and heating cable, heating cable is connected with power cathode, and temperature control probe is also installed on temperature controller, described temperature control probe is used for measuring the temperature in heating cable; By the cooperation of above-mentioned device, native system energy automatic sensing-detecting temperature, then startup heating schedule heats body, without the need to Artificial Control automatically;
Contactor is CJX2 type contactor, and the model of temperature controller is XTE-7000 type contactor, and the model of temperature control probe is HY-TB;
Ring direction drainpipe is the flexible porous tube supporting body with antirust turn, this water-permeable pipe uses non-woven geotextile to wrap up, sediment contamination can not be entered in pipe, thus reach the function of clean infiltration, and geotextiles is directly wrapped in body periphery, not only good filtration effect, simultaneously also time saving and energy saving when laying.
Embodiment one:
Composition graphs 1-4, the tunnel drainage pipeline heat-preserving anti-freezing system of the present embodiment comprises the ring direction drainpipe 2 arranged along tunnel lining 1 circumference, the longitudinal drainage pipe 3, the central drain 5 being arranged on center, tunnel and the transverse drain 4 being connected central drain 5 and longitudinal drainage pipe 3 that are communicated with ring direction drainpipe 2 that arrange along the bottom of tunnel axis;
Transverse drain 4 comprises coaxial heat-insulating water discharging pipe 406, airspace for heat insulation 402, insulating tube 404 and the insulation layer 403 arranged from inside to outside; The periphery of heat-insulating water discharging pipe 406 is also provided with heating and thermal insulation layer 405, and heating and thermal insulation layer 405 comprises heating cable layer and adiabator layer; Heat-insulating water discharging pipe 406 is fixedly connected with insulating tube 404 by the base 401 axially arranged along insulating tube 404; The shape in the cross section of base 401 is fan-shaped;
The structure of longitudinal drainage pipe 3, central drain 5 and transverse drain 4 is identical.
Heat-insulating water discharging pipe 406 adopts the gutter of PVC material, the thickness of airspace for heat insulation (402) is 4cm, insulating tube (404) adopts the gutter of PVC material, insulation layer (403) adopts the auxiliary aluminium foil bed of material of phenol formaldehyde foam, the thickness of insulation layer (403) is 2cm, adiabator layer adopts the auxiliary aluminium foil bed of material of phenol formaldehyde foam, and the thickness of adiabator layer is 2cm, and the making material of base (401) is steel.
Ring direction drainpipe 2 comprises gutter 201 and the filtration beds 202 of coaxial setting from inside to outside, and gutter 201 adopts the flexible porous tube supported with antirust turn, and filtration beds 202 adopts non-woven geotechnical cloth layer, plays the effect of impurity screening;
Composition graphs 5, when heating cable 4050 is modular layout or when arranging according to the construction section in tunnel, for better control device works, the heating work circuit of heating and thermal insulation layer 405 comprises the three grades of line breakers 4054 be connected with positive source, the contactor 4053 of connecting successively with three grades of line breakers 4054, temperature controller 4052 and heating cable 4050, heating cable 4050 is connected with power cathode, and temperature control probe 4051 is also installed on temperature controller 4052, temperature control probe 4051 is used for measuring the temperature in heating cable 4050.
The concrete model of contactor, temperature controller and temperature control probe is respectively CJX2 type, XTE-7000 type and HY-TB type;
The process of installing and using of tunnel in cold area drainage pipe heat-preserving anti-freezing system of the present utility model is:
First be adjacent to Tunnel surface lay ring direction drainpipe 2 after tunnel lining 1 wall along tunnel arch to cross section, the gutter 201 that ring direction drainpipe 2 is and wraps up with non-woven geotextile, and close by VELCRO, with U-shaped card, ring direction drainpipe 2 after tunnel lining 1 wall is fixed on Tunnel on the surface;
Secondly, make longitudinal drainage pipe 3, central drain 5 and transverse drain 4, first arrange insulating tube 404, need first at insulating tube 404 periphery parcel insulation layer 403 before layout, insulation layer 403 adopts hot plate welding to close into ring, then the internal insulation gutter 406 having wrapped up heating and thermal insulation layer 405 is placed in insulating tube 404 inner, and makes the two be separated, to form airspace for heat insulation 402 by inner base 401;
Finally, excavation transverse direction, longitudinal direction and Central Drainage groove, longitudinal drainage pipe 3, central drain 5 and transverse drain 4 are assembled by the position in Fig. 1, adopts double-layer pipe compensation connector longitudinal drainage pipe 3, central drain 5 and transverse drain 4 syndeton to be sealed.
The operating principle of the operating circuit of the utility model heating and thermal insulation layer 405 is:
Three grades of line breakers 4054 are the total power switch of whole heating and thermal insulation layer 405, after energising, temperature controller 4052 is equivalent to a temp control switch, when the temperature on temperature control heating cable 4050 places that record of probe 4051 and heat-insulating water discharging pipe 406 surface is higher than preset temperature, temperature controller 4052 is with regard to disconnecting circuit, when the temperature recorded is lower than preset temperature, temperature controller 4053 just connects circuit; For the power requirement avoiding the control power of temperature controller 4052 can not meet facility, available contact device 4053 amplifies the power of temperature controller 4052, to ensure the job security of whole facility.
Claims (7)
1. a tunneling drain heat-preserving anti-freezing system, it is characterized in that, this system comprises the ring direction drainpipe (2) arranged along tunnel lining (1) circumference, the longitudinal drainage pipe (3), the central drain (5) being arranged on center, tunnel and the transverse drain (4) being connected central drain (5) and longitudinal drainage pipe (3) that are communicated with ring direction drainpipe (2) that arrange along the axial bottom of tunnel lining (1);
Described transverse drain (4) comprises coaxial heat-insulating water discharging pipe (406), airspace for heat insulation (402), insulating tube (404) and the insulation layer (403) arranged from inside to outside;
Described heat-insulating water discharging pipe (406) is fixedly connected with insulating tube (404) by the base (401) axially arranged along insulating tube (404);
The structure of described longitudinal drainage pipe (3), central drain (5) and transverse drain (4) is identical.
2. tunneling drain heat-preserving anti-freezing system as claimed in claim 1, it is characterized in that, the shape in the cross section of described base (401) is fan-shaped.
3. tunneling drain heat-preserving anti-freezing system as claimed in claim 1 or 2, it is characterized in that, the periphery of described heat-insulating water discharging pipe (406) is also provided with heating and thermal insulation layer (405), and heating and thermal insulation layer (405) comprises heating cable layer and adiabator layer.
4. tunneling drain heat-preserving anti-freezing system as claimed in claim 3, it is characterized in that, described heat-insulating water discharging pipe (406) is PVC drain pipe, the thickness of airspace for heat insulation (402) is 3 ~ 5cm, insulating tube (404) is PVC drain pipe, insulation layer (403) comprises phenol formaldehyde foam layer and aluminium foil layer, the thickness of insulation layer (403) is 2 ~ 3cm, adiabator layer comprises phenol formaldehyde foam layer and aluminium foil layer, the thickness of adiabator layer is 2 ~ 3cm, and base (401) is steel base.
5. tunneling drain heat-preserving anti-freezing system as claimed in claim 3, it is characterized in that, the heating work circuit of described heating and thermal insulation layer (405) comprises the three grades of line breakers (4054) be connected with positive source, the contactor (4053) of connecting successively with three grades of line breakers (4054), temperature controller (4052) and heating cable (4050), heating cable (4050) is connected with power cathode, and temperature control probe (4051) is also installed on temperature controller (4052), described temperature control probe (4051) is used for measuring the temperature in heating cable.
6. the tunneling drain heat-preserving anti-freezing system as described in claim 1,2,4 or 5, is characterized in that, described ring direction drainpipe (2) comprises gutter (201) and the filtration beds (202) of coaxial setting from inside to outside.
7. tunneling drain heat-preserving anti-freezing system as claimed in claim 6, it is characterized in that, described gutter (201) adopts the flexible porous tube supported with antirust turn, and described filtration beds (202) adopts non-woven geotechnical cloth layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870340.5U CN204386623U (en) | 2014-12-31 | 2014-12-31 | A kind of tunneling drain heat-preserving anti-freezing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870340.5U CN204386623U (en) | 2014-12-31 | 2014-12-31 | A kind of tunneling drain heat-preserving anti-freezing system |
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| Publication Number | Publication Date |
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| CN204386623U true CN204386623U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420870340.5U Expired - Fee Related CN204386623U (en) | 2014-12-31 | 2014-12-31 | A kind of tunneling drain heat-preserving anti-freezing system |
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| CN (1) | CN204386623U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150529A (en) * | 2016-08-01 | 2016-11-23 | 绍兴文理学院 | A kind of heat insulation preliminary bracing structure in tunnel, Permafrost Area |
| 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 |
| CN108516223A (en) * | 2018-02-28 | 2018-09-11 | 重庆荣爵摩托车有限公司 | Packaging for motorcar system |
| CN108516222A (en) * | 2018-02-28 | 2018-09-11 | 重庆荣爵摩托车有限公司 | Frame of motorcycle rack |
| CN108767800A (en) * | 2018-08-31 | 2018-11-06 | 国网河南省电力公司方城县供电公司 | A kind of cold district private cable ditch and its construction method |
| CN109441481A (en) * | 2018-11-21 | 2019-03-08 | 中铁十局集团第五工程有限公司 | A kind of tunnel lining structure of High aititude cold district freeze thawing resistance disaster |
| CN110821515A (en) * | 2019-09-30 | 2020-02-21 | 中铁隧道局集团建设有限公司 | Construction method of assembled supporting structure of tunnel in high and cold area |
| CN111022117A (en) * | 2019-10-16 | 2020-04-17 | 新疆交通建设集团股份有限公司 | Solar heating anti-freezing system for high-altitude tunnel drain pipe |
| CN111636919A (en) * | 2020-06-11 | 2020-09-08 | 大连交通大学 | Anti-freezing water drainage device and method for tunnel in plateau severe cold region |
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2014
- 2014-12-31 CN CN201420870340.5U patent/CN204386623U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150529A (en) * | 2016-08-01 | 2016-11-23 | 绍兴文理学院 | A kind of heat insulation preliminary bracing structure in tunnel, Permafrost Area |
| 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 |
| CN108516223A (en) * | 2018-02-28 | 2018-09-11 | 重庆荣爵摩托车有限公司 | Packaging for motorcar system |
| CN108516222A (en) * | 2018-02-28 | 2018-09-11 | 重庆荣爵摩托车有限公司 | Frame of motorcycle rack |
| CN108516223B (en) * | 2018-02-28 | 2019-07-30 | 重庆荣爵摩托车有限公司 | Packaging for motorcar system |
| CN108767800B (en) * | 2018-08-31 | 2024-02-13 | 国网河南省电力公司方城县供电公司 | Cable trench for cold areas and construction method thereof |
| CN108767800A (en) * | 2018-08-31 | 2018-11-06 | 国网河南省电力公司方城县供电公司 | A kind of cold district private cable ditch and its construction method |
| CN109441481A (en) * | 2018-11-21 | 2019-03-08 | 中铁十局集团第五工程有限公司 | A kind of tunnel lining structure of High aititude cold district freeze thawing resistance disaster |
| CN110821515B (en) * | 2019-09-30 | 2021-04-02 | 中铁隧道局集团建设有限公司 | Construction method of assembled supporting structure of tunnel in high and cold area |
| CN110821515A (en) * | 2019-09-30 | 2020-02-21 | 中铁隧道局集团建设有限公司 | Construction method of assembled supporting structure of tunnel in high and cold area |
| CN111022117A (en) * | 2019-10-16 | 2020-04-17 | 新疆交通建设集团股份有限公司 | Solar heating anti-freezing system for high-altitude tunnel drain pipe |
| CN111636919A (en) * | 2020-06-11 | 2020-09-08 | 大连交通大学 | Anti-freezing water drainage device and method for tunnel in plateau severe cold region |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20161231 |