CN101672188A - Lining heat system used at tunnel portal - Google Patents
Lining heat system used at tunnel portal Download PDFInfo
- Publication number
- CN101672188A CN101672188A CN200910196239A CN200910196239A CN101672188A CN 101672188 A CN101672188 A CN 101672188A CN 200910196239 A CN200910196239 A CN 200910196239A CN 200910196239 A CN200910196239 A CN 200910196239A CN 101672188 A CN101672188 A CN 101672188A
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- lining
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- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 238000010792 warming Methods 0.000 claims abstract 3
- 238000009413 insulation Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 9
- 239000000446 fuel Substances 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005485 electric heating Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 9
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000009746 freeze damage Effects 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The invention discloses a lining heat system used at the tunnel portal, comprising a warming pipeline, a ground source heat pump and a heating pipeline. The warming pipeline and the heating pipeline are both embedded in the tunnel and are respectively connected with the ground source heat pump to form circulation circuits respectively. The lining heat system can radically eliminate the frost damage in the tunnel. Heat exchange tubes of the ground source heat pump are embedded between the primary lining and the secondary lining to replace underground boreholes required by the embedded tubes ofthe traditional ground source heat pumps, which can save part of the investment in the initial construction. Heating tubes are embedded between the secondary lining and an insulating layer. The systemis synchronized with the tunnel construction, thus better controlling the construction quality of the heat exchange tubes. The system fully utilizes the energy saving effect of the ground source heatpump and can save 70% of the late operation and maintenance costs compared with the traditional electric heating systems. The system exhausts no CO2 compared with the common fuel boilers.
Description
Technical field
The invention belongs to the antifreezing heat insulation of tunnel in cold area, is a kind of lining cutting heating system that is used for the tunnel portal section specifically.
Background technology
The railway of cold district, highway tunnel freeze injury phenomenon are generally serious, cause the broken ring of tunnel lining structure even scrap, and have a strong impact on the normal operation and the safety in tunnel.Tunnel in cold area is badly in need of solving hole section freeze injury problem.
At present, the antifreezing heat insulation measure adopted of tunnel both at home and abroad mainly contain in the tunnel double-lining outside or two linings with just lay the active antifreezing heat insulation technology etc. that certain thickness thermal insulation layer technology, place, hole are installed the cold-proof heat insulation gate technique, utilized electric boiler or fuel boiler that the tunnel is led to the heating installation technology and bury heating cable at tunnel Dong Bi underground between the lining.More than the defective that exists of several technology be: at first, tunnel in cold area is under the situation that empty calory is supplied with, and only depending on thermal insulation layer technology is the generation that can't eradicate freezing damage in tunnel; Secondly, the cold-proof heat insulation door only is suitable for the little tunnel of vehicle flowrate; Once more, the active antifreezing heat insulation technology of utilizing electric boiler and fuel boiler that the logical heating installation technology in tunnel and tunnel Dong Bi are buried underground heating cable can be avoided the generation of freezing damage in tunnel, but these two kinds of technology operations, maintenance and overhead cost height, energy consumption are big, and fuel boiler also can cause certain air pollution.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of lining heat system used at tunnel portal, with the freeze injury of thorough elimination tunnel in cold area, for the tunnel operation provides safeguard.
The present invention is by the following technical solutions:
A kind of lining heat system used at tunnel portal comprises heating pipeline, earth source heat pump and heating pipeline, and wherein each pipeline all is embedded in the tunnel, and is connected with earth source heat pump respectively, each self-forming closed circuit.
Preferably, described heating pipeline comprises many group heat-exchange tubes, and each two ends of organizing heat-exchange tube is connected with earth source heat pump by first outfall sewer, first water inlet manifold respectively.
Preferably, described heating pipeline comprises many group heating tubes, and each two ends of organizing heating tube is connected with earth source heat pump by second outfall sewer, second water inlet manifold respectively.
Preferably, described heat-exchange tube is layed between first lining in tunnel and the secondary lining.
Preferably, be provided with insulation layer outside the secondary lining of tunnel portal section, described heating tube is layed between secondary lining and the insulation layer.
Preferably, between described secondary lining and the insulation layer be air blanketing.
Preferably, described heating pipeline, heating pipeline all along the tunnel axially or hoop be laid in the tunnel.
Lining heat system used at tunnel portal can thoroughly be eradicated freezing damage in tunnel, the heat-exchange tube of earth source heat pump is embedded between first lining and two linings, substitute the required earth drilling of traditional earth source heat pump pipe laying, simultaneously can also save the construction investment of part initial stage, heating tube is embedded between two linings and the insulation layer.The present invention and constructing tunnel carry out synchronously, can well control the construction quality of heat-exchange tube.The present invention makes full use of the energy-saving effect of earth source heat pump, compares with the traditional electrical heating system, can save 70% later stage operation and maintenance cost.Compare no CO with the conventional fuel boiler
2Discharging.
Description of drawings
Fig. 1 is a schematic diagram of the present invention, shown in arrow be that circulatory mediator is at ducted flow direction.
Fig. 2 arranges cross-sectional drawing for heat-exchange tube.
Fig. 3 is the amplification master drawing of Fig. 2 centre circle A.
Fig. 4 is that hole section heating tube is arranged cross-sectional drawing.
Fig. 5 is the amplification master drawing of Fig. 4 centre circle B.
Wherein, Reference numeral is as follows:
1, country rock 8, heating tube
2, heat-exchange tube 9, first lining
3, first outfall sewer 10, secondary lining
4, first water inlet manifold 11, insulation layer
5, earth source heat pump 12, air blanketing
6, second outfall sewer
7, second water inlet manifold
The specific embodiment
Referring to Fig. 1～Fig. 5, lining heat system used at tunnel portal comprises front-end collection (heating pipeline), earth source heat pump 5, terminal heating (heating pipeline) three parts.Front-end collection partial distance tunnel portal section certain distance provides the required ground of heating system warm; Terminal heating part is in the tunnel portal section, with conduction of heat and radiation mode heating.Earth source heat pump 5 is responsible for the lifting of the heat of front-end collection, and is delivered to the rear end as the terminal between preceding, end.Connect by the water-in and water-out house steward between the each several part.Front-end collection comprises many group heat-exchange tubes 2, and the head and the tail two ends of every group of heat-exchange tube 2 are connected with first outfall sewer 3, first water inlet manifold 4 respectively, to form a plurality of closed circuits.Terminal heating comprises many group heating tubes 8, and the head and the tail two ends of every group of heating tube 8 are connected with second outfall sewer 6, second water inlet manifold 7 respectively, also form a plurality of closed circuits.Heat-exchange tube 2 all is embedded in the tunnel with heating tube 8.Specifically, heat-exchange tube 2 is laid between first lining 9 in tunnel and the secondary lining 10; Hole section secondary lining 10 peripheral hardware insulation layers, heating tube 8 are laid in the air blanketing 12 of secondary lining 10 and insulation layer.The all axial or hoop layings along the tunnel of all pipelines, in Fig. 1～5, that illustrate all is the embodiment that pipeline is laid vertically.
Utilize earth source heat pump as follows: to have enough buried depth places at distance tunnel portal certain distance to the operating principle of tunnel portal section lining cutting heating, between first lining 9 in tunnel and secondary lining 10, lay heat-exchange tube 2 and form loop by certain spacing, heat transfer cycle medium circulation time in the heat-exchange tube cyclic system carries out interchange of heat with first lining 9 and country rock 1, absorb heat, this part heat promotes the heat transfer cycle medium that makes in the heating tube 8 through earth source heat pump 5 and reaches target temperature, the heat transfer cycle medium heats air between tunnel portal section secondary lining 10 and secondary lining 10 and the insulation layer in heating tube 8 cyclic systems.
With reference to figure 1～Fig. 5, earth source heat pump can be implemented as follows to lining heat system used at tunnel portal:
1. construction just serves as a contrast behind the tunnel excavation;
2. have enough buried depth places at distance tunnel portal certain distance, the heat-exchange tube of earth source heat pump is embedded in just the lining surface and closely contacts with first lining is surperficial;
3. utilize cement mortar or sprayed mortar with the levelling of heat-exchange tube paved surface;
4. construction tunnel waterproofing course and secondary lining;
5. every group of heat-exchange tube two ends exposed the lining cutting bottom, and grouping is parallel-connected to first outfall sewer and first water inlet manifold is formed loop, is connected to earth-source hot-pump system (front end);
6. the heat transfer cycle medium circulates in the heat-exchange tube cyclic system, carries out interchange of heat with lining cutting and country rock;
7. calculate heat-exchange tube total length and grouping according to heat transfer model;
8. according to the flow of heat transfer cycle medium in the heat-exchange tube loop and import and export target temperature, determine the grouping and the layout of heat-exchange tube;
9. the heat in the heat-exchange tube heat transfer cycle medium promotes through earth-source hot-pump system, the circulatory mediator in the heating heating tube;
10. after the tunnel portal section Second Lining Construction of intending heating, the heating tube of earth source heat pump is fixed on the secondary lining surface and closely contacts with the secondary lining surface;
11. the construction tunnel insulation layer is laid on the heat-exchange tube system in the gap (being air blanketing) of secondary lining and insulation layer;
12. every group of heat-exchange tube two ends exposed the lining cutting bottom, grouping is parallel-connected to second outfall sewer and second water inlet manifold is formed loop, is connected to earth source heat pump (end);
13. the heat transfer cycle medium circulates in the heating tube loop, carries out interchange of heat with lining cutting and air;
14. calculate the heating tube total length according to heat transfer model;
15., determine the grouping and the layout of heating tube system according to the flow of heat transfer cycle medium in the heating tube loop and import and export target temperature.
Claims (7)
1. lining heat system used at tunnel portal is characterized in that: comprise heating pipeline, earth source heat pump (5) and heating pipeline, the pipeline of wherein warming oneself, heating pipeline all are embedded in the tunnel, and are connected each self-forming closed circuit respectively with earth source heat pump (5).
2. lining heat system used at tunnel portal according to claim 1, it is characterized in that: described heating pipeline comprises many group heat-exchange tubes (2), and each two ends of organizing heat-exchange tube (2) is connected with earth source heat pump (5) by first outfall sewer (3), first water inlet manifold (4) respectively.
3. lining heat system used at tunnel portal according to claim 1, it is characterized in that: described heating pipeline comprises many group heating tubes (8), and each two ends of organizing heating tube (8) is connected with earth source heat pump (5) by second outfall sewer (6), second water inlet manifold (7) respectively.
4. lining heat system used at tunnel portal according to claim 2 is characterized in that: described heat-exchange tube (2) is layed in the tunnel and just serves as a contrast between (9) and the secondary lining (10).
5. lining heat system used at tunnel portal according to claim 3 is characterized in that: be provided with insulation layer (11) outside the secondary lining (10) of tunnel portal section, described heating tube (8) is layed between secondary lining (10) and the insulation layer (11).
6. lining heat system used at tunnel portal according to claim 5 is characterized in that: be air blanketing (12) between described secondary lining (10) and the insulation layer (11).
7. lining heat system used at tunnel portal according to claim 1 is characterized in that: described heating pipeline, heating pipeline all along the tunnel axially or hoop be laid in the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910196239XA CN101672188B (en) | 2009-09-23 | 2009-09-23 | Lining heat system used at tunnel portal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910196239XA CN101672188B (en) | 2009-09-23 | 2009-09-23 | Lining heat system used at tunnel portal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101672188A true CN101672188A (en) | 2010-03-17 |
| CN101672188B CN101672188B (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910196239XA Expired - Fee Related CN101672188B (en) | 2009-09-23 | 2009-09-23 | Lining heat system used at tunnel portal |
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| Country | Link |
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| CN (1) | CN101672188B (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296972A (en) * | 2011-06-08 | 2011-12-28 | 长安大学 | Cold region tunnel electric heat tracing active insulation antifreezing facility and construction method thereof |
| CN102953738A (en) * | 2012-11-08 | 2013-03-06 | 福州大学 | Method and system for automatical antifreezing and thermal insulating of tunnel lining in high and cold areas |
| CN103090553A (en) * | 2013-01-17 | 2013-05-08 | 东南大学 | Cold region tunnel lining solar energy and ground source heat pump combined heat storage heating system and method |
| CN103216879A (en) * | 2013-04-02 | 2013-07-24 | 中铁隧道集团有限公司 | Heating and antifreezing system of tunnel |
| CN104533462A (en) * | 2015-01-04 | 2015-04-22 | 史法战 | Tunnel lining concrete thermal insulation system |
| CN106401644A (en) * | 2016-10-27 | 2017-02-15 | 石家庄铁道大学 | Air curtain heat preservation heating system for tunnels in cold region |
| 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 |
| 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 |
| CN106500376A (en) * | 2016-12-16 | 2017-03-15 | 绍兴文理学院 | The buried earth temperature energy hot exchange system of energy tunnel layer |
| CN106498827A (en) * | 2016-12-16 | 2017-03-15 | 绍兴文理学院 | Energy tunnel recombination formula ground temperature energy freeze-proof heating system |
| 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 |
| CN106640151A (en) * | 2016-12-16 | 2017-05-10 | 绍兴文理学院 | Buried geothermal energy antifreezing heating system for energy tunnel layer |
| CN107654244A (en) * | 2017-11-20 | 2018-02-02 | 金陵科技学院 | A kind of earth source heat pump underground tunnel structure and construction method |
| CN108561162A (en) * | 2018-03-16 | 2018-09-21 | 西南交通大学 | A kind of superelevation ground temperature tunnel support structure and construction method |
| CN108643956A (en) * | 2018-05-18 | 2018-10-12 | 武汉理工大学 | Geothermal power generation cooling system is utilized in deep well in mine exploitation |
| CN109505362A (en) * | 2018-12-27 | 2019-03-22 | 中国建筑第八工程局有限公司 | Composite thermal-insulating wall construction and its construction method for tunnel surrounding |
| CN109882213A (en) * | 2019-04-24 | 2019-06-14 | 吉林大学 | A kind of novel tunnel in cold area anti-freezing and heat-insulating structure and its construction method |
| CN110130983A (en) * | 2019-04-09 | 2019-08-16 | 淮阴工学院 | A kind of novel tunnel in cold area hole front end heat-insulation system device and its control method |
| CN113339873A (en) * | 2021-06-07 | 2021-09-03 | 西南交通大学 | Novel cold-proof and anti-freezing system and method for cold-region high-ground-temperature tunnel |
| CN113482672A (en) * | 2021-07-22 | 2021-10-08 | 中国路桥工程有限责任公司 | Cold region tunnel anti-freezing heat-insulating layer and heat-insulating system based on heat-insulating layer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU571618A1 (en) * | 1975-10-22 | 1977-09-05 | Новосибирский филиал Всесоюзного научно-исследовательского института транспортного строительства | Collector for withdrawing water from beyond lining of by-pass tunnels |
| CN1542383A (en) * | 2003-04-29 | 2004-11-03 | 米砂瓦环境技术株式会社 | Geothermal energy utilization arrangement |
| FR2884905B1 (en) * | 2005-04-21 | 2007-07-20 | Hades Soc Par Actions Simplifi | THERMAL ENERGY CAPTURING PROBE FOR HEAT PUMP |
-
2009
- 2009-09-23 CN CN200910196239XA patent/CN101672188B/en not_active Expired - Fee Related
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296972A (en) * | 2011-06-08 | 2011-12-28 | 长安大学 | Cold region tunnel electric heat tracing active insulation antifreezing facility and construction method thereof |
| 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 |
| CN102953738A (en) * | 2012-11-08 | 2013-03-06 | 福州大学 | Method and system for automatical antifreezing and thermal insulating of tunnel lining in high and cold areas |
| CN102953738B (en) * | 2012-11-08 | 2015-06-03 | 福州大学 | Method and system for automatical antifreezing and thermal insulating of tunnel lining in high and cold areas |
| CN103090553A (en) * | 2013-01-17 | 2013-05-08 | 东南大学 | Cold region tunnel lining solar energy and ground source heat pump combined heat storage heating system and method |
| CN103216879A (en) * | 2013-04-02 | 2013-07-24 | 中铁隧道集团有限公司 | Heating and antifreezing system of tunnel |
| 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 |
| CN104533462A (en) * | 2015-01-04 | 2015-04-22 | 史法战 | Tunnel lining concrete thermal insulation system |
| CN106401644A (en) * | 2016-10-27 | 2017-02-15 | 石家庄铁道大学 | Air curtain heat preservation heating system for tunnels in cold region |
| 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 |
| CN106500376B (en) * | 2016-12-16 | 2019-05-31 | 绍兴文理学院 | The buried earth temperature energy hot exchange system of energy tunnel layer |
| 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 |
| CN106500376A (en) * | 2016-12-16 | 2017-03-15 | 绍兴文理学院 | The buried earth temperature energy hot exchange system of energy tunnel layer |
| CN106498827A (en) * | 2016-12-16 | 2017-03-15 | 绍兴文理学院 | Energy tunnel recombination formula ground temperature energy freeze-proof heating system |
| 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 |
| 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 |
| CN106640151A (en) * | 2016-12-16 | 2017-05-10 | 绍兴文理学院 | Buried geothermal energy antifreezing heating system for energy tunnel layer |
| 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 |
| CN107654244A (en) * | 2017-11-20 | 2018-02-02 | 金陵科技学院 | A kind of earth source heat pump underground tunnel structure and construction method |
| CN108561162A (en) * | 2018-03-16 | 2018-09-21 | 西南交通大学 | A kind of superelevation ground temperature tunnel support structure and construction method |
| CN108643956A (en) * | 2018-05-18 | 2018-10-12 | 武汉理工大学 | Geothermal power generation cooling system is utilized in deep well in mine exploitation |
| CN108643956B (en) * | 2018-05-18 | 2020-02-18 | 武汉理工大学 | System for generating electricity and cooling by utilizing geothermal energy in mining of deep mine |
| CN109505362A (en) * | 2018-12-27 | 2019-03-22 | 中国建筑第八工程局有限公司 | Composite thermal-insulating wall construction and its construction method for tunnel surrounding |
| CN110130983A (en) * | 2019-04-09 | 2019-08-16 | 淮阴工学院 | A kind of novel tunnel in cold area hole front end heat-insulation system device and its control method |
| CN110130983B (en) * | 2019-04-09 | 2021-02-02 | 淮阴工学院 | Novel cold region tunnel portal front-end heat preservation system device and control method thereof |
| CN109882213A (en) * | 2019-04-24 | 2019-06-14 | 吉林大学 | A kind of novel tunnel in cold area anti-freezing and heat-insulating structure and its construction method |
| CN113339873A (en) * | 2021-06-07 | 2021-09-03 | 西南交通大学 | Novel cold-proof and anti-freezing system and method for cold-region high-ground-temperature tunnel |
| CN113482672A (en) * | 2021-07-22 | 2021-10-08 | 中国路桥工程有限责任公司 | Cold region tunnel anti-freezing heat-insulating layer and heat-insulating system based on heat-insulating layer |
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| CN101672188B (en) | 2011-12-07 |
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Granted publication date: 20111207 |