CN103090553A - Cold region tunnel lining solar energy and ground source heat pump combined heat storage heating system and method - Google Patents
Cold region tunnel lining solar energy and ground source heat pump combined heat storage heating system and method Download PDFInfo
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- CN103090553A CN103090553A CN2013100174047A CN201310017404A CN103090553A CN 103090553 A CN103090553 A CN 103090553A CN 2013100174047 A CN2013100174047 A CN 2013100174047A CN 201310017404 A CN201310017404 A CN 201310017404A CN 103090553 A CN103090553 A CN 103090553A
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Abstract
The invention discloses a cold region tunnel lining solar energy and ground source heat pump combined heat storage heating system and a cold region tunnel lining solar energy and ground source heat pump combined heat storage heating method. The cold region tunnel lining solar energy and ground source heat pump combined heat storage heating system comprises a solar energy heat collector, a ground source heat pump heat exchanger, a ground source heat pump device and a heat supplying pipeline, wherein the ground source heat pump heat exchanger is connected with the solar energy heat collector to form a heat storage ring road in surrounding rock at the middle portion of a tunnel and connected with the ground source heat pump device to form a heat taking ring road in the surrounding rock at the middle portion of the tunnel, and the heat supplying pipeline is connected with the solar energy heat collector to form a heat storage ring road in surrounding rock in the entrance section of the tunnel and connected with the ground source heat pump device to form a heat supplying ring road in tunnel lining in the entrance section of the tunnel. The ground source heat pump heat exchanger is installed in a hollow anchor rod inside the surrounding rock in the middle portion of the tunnel, and thereby underground drilling needed by a buried pipe of the traditional ground source heat pump is substituted, occupied area is not needed, initial investment is saved, solar energy in summer is stored in the surrounding rock in the tunnel around the heat exchanger and the heat supplying pipeline so as to be used for preventing the tunnel from being frozen, and the solar energy can be used of all season.
Description
Technical field
The present invention relates to the antifreezing heat insulation of tunnel in cold area, particularly a kind of tunnel in cold area lining cutting solar energy-ground source heat pump associating accumulation of heat heating system.
Background technology
From the railway of cold district, the operating position of vcehicular tunnel, the freeze injury phenomenon is very serious, causes major traffic accidents, causes that the tunnel agent structure is scrapped etc., and tunnel in cold area is badly in need of solving Portal Section freeze injury problem.My authorized patent of invention " lining heat system used at tunnel portal (ZL200910196239.X) " is to utilize the ground temperature energy be arranged in the heat-exchange tube absorption country rock between lining and two linings at the beginning of buried section of middle part, tunnel, after the earth source heat pump equipment lifting, realize the power-saving technology to tunnel portal section lining cutting heating.But run into following two difficult problems: 1. the temperature of tunnel in cold regions country rock is too low causes that operation of heat pump efficient is low maybe can't be started; 2. the heat that extracts from country rock between heating period of tunnel in cold area ground source heat pump type heating system in the hole between non-heating period gas and at a distance country rock to the heat of country rock supply, cause heat exchanger country rock heat disequilibrium on every side, country rock ground temperature under the long-term operation of system will descend year by year, and the operational efficiency of heat pump also can descend year by year.This technology is very high to weather conditions, engineering geological condition and the Tunnel Engineering conditional request in tunnel location district, and its range of application has certain limitation.This technology is also restricted to length of tunnel, is not suitable for using in medium tunnel.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of tunnel in cold area lining cutting solar energy-ground source heat pump associating accumulation of heat heating system is provided, to solve tunnel in cold area freeze injury serious problems, for the tunnel safety operation provides safeguard.
Another object of the present invention is to provide a kind of tunnel in cold area lining cutting solar energy-ground source heat pump associating accumulation of heat mode of heating.
The present invention is by the following technical solutions:
A kind of tunnel in cold area lining cutting solar energy-ground source heat pump associating accumulation of heat heating system comprises solar thermal collector, earth source heat pump heat exchanger, earth source heat pump equipment and heat supplying pipeline;
Described earth source heat pump heat exchanger comprises multi-group heat exchanger, and multi-group heat exchanger is arranged in the country rock of middle part, tunnel, and each two ends of organizing heat exchanger are linked to be middle part, tunnel country rock heat-obtaining loop by outlet pipeline, inlet pipeline and earth source heat pump equipment heat-obtaining port respectively;
The two ends of described solar thermal collector are linked to be middle part, tunnel country rock accumulation of heat loop by outlet pipeline, inlet pipeline and earth source heat pump heat exchanger respectively;
Described heat supplying pipeline comprises many group heating tubes, many group heating tubes are arranged between the first lining and two linings of tunnel portal section, and each two ends of organizing heating tube are linked to be the first tunnel portal section lining cutting heat supply loop by outlet pipeline, inlet pipeline and earth source heat pump equipment heat supply port respectively;
The two ends of described solar thermal collector form the second tunnel portal section lining cutting heat supply loop by outlet pipeline, inlet pipeline and heat supplying pipeline respectively.
Preferably, described earth source heat pump heat exchanger is double pipe heat exchanger, and is arranged in the interior hollow bolt of middle part, tunnel country rock.
Solar thermal collector of the present invention is arranged near tunnel portal, and described outlet pipeline, inlet pipeline are equipped with thermal insulation casing.
A kind of method of operation of above-mentioned associating accumulation of heat heating system comprises following four kinds of modes:
The first method of operation is solar energy storage mode in summer, solar energy divides two parts storage, heat transfer cycle fluid storage in the closed loop that part solar energy is connected into by solar thermal collector and earth source heat pump heat exchanger is in the tunnel surrounding around armature boring, for Winter heat supply; Heat transfer cycle fluid storage in the closed loop that another part solar energy is connected into by solar thermal collector and heat supplying pipeline in the hole for the hot arc country rock in, be used for delaying the zero-time of tunnel-liner heating;
The second method of operation is solar energy independent heat supply mode, the interior heat transfer cycle fluid heating tunnel-liner of closed loop that utilizes solar thermal collector and heat supplying pipeline to be connected into;
The third method of operation is solar energy-ground source heat pump combined heat mode, heat in heat transfer cycle absorption of fluids country rock in the closed loop that is connected into by solar thermal collector, earth source heat pump heat exchanger and earth source heat pump equipment heat-obtaining port, after earth source heat pump equipment heating promotes, the heat transfer cycle fluid heating tunnel-liner in the closed loop that is connected into by earth source heat pump equipment heat supply port and heat supplying pipeline;
The 4th kind of method of operation is the earth source heat pump independent heat supply mode, be connected into the heat in the heat transfer cycle absorption of fluids country rock in the closed loop of sealing by earth source heat pump heat exchanger and earth source heat pump equipment heat-obtaining port, after earth source heat pump equipment heating promotes, the heat transfer cycle fluid heating tunnel-liner in the closed loop that is connected into by earth source heat pump equipment heat supply port and heat supplying pipeline.
Tunnel in cold area lining cutting solar energy-ground source heat pump associating accumulation of heat heating system operation principle is as follows: in summer, be stored in respectively strong solar energy in country rock around the armature boring of tunnel middle part and in the country rock around tunnel portal section heating tube, the solar energy of storing in country rock around the tunnel armature boring is used for making up the heat that Winter heat supply is taken away from country rock, in time can replenish country rock ground temperature, avoid causing country rock ground temperature to descend year by year because of long-term heat-obtaining.The solar energy of storing in country rock around tunnel portal section heating tube is used for delaying the initial heat time heating time of tunnel-liner, reduces the tunnel-liner heating load; In the winter time, realize solar energy and earth source heat pump combined heat, take solar-heating as main, take full advantage of solar energy, the earth source heat pump heat supply is auxiliary.
Beneficial effect of the present invention: tunnel in cold area lining cutting solar energy-ground source heat pump associating accumulation of heat heating system belongs to initiatively heating, can thoroughly avoid the generation of freezing damage in tunnel.Compare with the patent of invention " lining heat system used at tunnel portal (ZL200910196239.X) " that I have authorized, the present invention is combined solar energy with earth source heat pump, give full play to advantage separately, make up not enough separately, country rock is through accumulation of heat and heat-obtaining process, the heat of surroundings has returned to again original even higher level, improved the temperature of heat pump low-temperature heat source, the heating performance of heat pump gets a promotion, the solar energy of storing in country rock around heat supplying pipeline can delay the initial heat time heating time of tunnel-liner, reduces the tunnel-liner heating load.Earth source heat pump heat exchanger is arranged in hollow bolt in tunnel surrounding, extracts the more heat of depths country rock, weakened the impact of temperature on heat exchanger accumulation of heat and heat-obtaining effect in the hole, not limited by length of tunnel.
Carry out Economic Comparison Analysis from construction investment in early stage and later stage operation two aspects and other antifreezing measures, compare with the winter protection drain cavern, the initial stage construction investment can be saved more than 60%; Compare with the electric boiler heating system, annual operating cost can be saved more than 75%.Earth source heat pump heat exchanger is arranged in hollow bolt in tunnel surrounding, thereby substitutes traditional vertical drilling, do not take up an area, save initial investment.And compare with the conventional fuel boiler, discharge without CO2.
Description of drawings
Fig. 1 is tunnel in cold area lining cutting solar energy-ground source heat pump associating accumulation of heat heating system fundamental diagram.
Fig. 2 is that armature boring inner sleeve type heat exchanger is arranged cross-sectional view.
Fig. 3 is A enlarged drawing in Fig. 2.
Fig. 4 is B enlarged drawing in Fig. 2.
Fig. 5 is that the Portal Section heating tube is arranged cross-sectional view.
The specific embodiment
Referring to Fig. 1 to Fig. 5, tunnel-liner solar energy-ground source heat pump associating accumulation of heat heating system comprises solar thermal collector 13, earth source heat pump heat exchanger 2, earth source heat pump equipment 5 and heat supplying pipeline 8.Tunnel in cold area lining cutting solar energy-ground source heat pump associating accumulation of heat heating system can be implemented as follows:
1, after the tunnel blasting excavation is completed, set armature boring 12 in country rock 1, earth source heat pump heat exchanger 2 directly is installed in the interior hollow bolt of armature boring 12;
2, with the import and export of the earth source heat pump heat exchanger 2 in each armature boring 12 respectively with the first outfall sewer 3 and the first water inlet manifold 4 same Cheng Xianglian in parallel, be linked to be the heat-obtaining loop with earth source heat pump equipment 5 heat-obtaining ports;
3, after the pipeline connection is completed, apply just lining 14 of tunnel, paving is hung splash guard and cast two lining 15 concrete, applies subsequently tunneling insulating layer 16;
4, before paving is hung splash guard, at first lining 14 is surperficial just lays heat supplying pipeline 8, and utilizes Pipeline clip that heating tube 8 is fixed on just lining 14 surfaces, can apply subsequently splash guard, two lining 15 and heat-insulation layers 16;
5, the import and export with heat supplying pipeline 8 is connected with the second water inlet manifold 7 with the second outfall sewer 6 respectively, is linked to be the heat supply loop with earth source heat pump equipment 5 heat supply ports;
6, solar thermal collector 13 is installed near tunnel portal, is formed the heat supply loop by the 3rd outfall sewer 10 and the 3rd water inlet manifold 11 with heat supplying pipeline 8;
7, realize that by change-over switch 9 the 3rd outfall sewer 10 is connected with conversion between the first outfall sewer 3 and the second water inlet manifold 7, and the 3rd water inlet manifold 11 is connected with conversion between the first water inlet manifold 4 and the second outfall sewer 6.
8, after system satisfies the performing leak test requirement, to the water-in and water-out house steward and expose pipeline thermal insulation casing is installed.
there are 4 kinds of operational modes in system, select by change-over switch 9: the first operational mode is solar energy memory module in summer, solar energy divides two parts storage, heat transfer cycle fluid storage in the closed loop that part solar energy is connected into by solar thermal collector 13 and earth source heat pump heat exchanger 2 is in the tunnel surrounding around armature boring 12, be used for Winter heat supply, make in the closed loop that a part of solar energy is connected into by solar thermal collector 13 and heat supplying pipeline 8 the heat transfer cycle fluid storage in the hole for the hot arc country rock in, be used for delaying the zero-time of tunnel-liner heating, the second pattern is the solar energy independent heat supply mode, the interior heat transfer cycle fluid heating tunnel-liner of closed loop that utilizes solar thermal collector 13 and heat supplying pipeline 8 to be connected into, the third pattern is solar energy-ground source heat pump combined heat pattern, heat in heat transfer cycle absorption of fluids country rock in the closed loop that is connected into by solar thermal collector 13, earth source heat pump heat exchanger 2 and earth source heat pump equipment 5 heat-obtaining ports, after earth source heat pump equipment 5 heating promotes, the heat transfer cycle fluid heating tunnel-liner in the closed loop that is connected into by earth source heat pump equipment 5 heat supply ports and heat supplying pipeline 8, the 4th kind of pattern is the earth source heat pump independent heat supply mode, be connected into the heat in the heat transfer cycle absorption of fluids country rock in the closed loop of sealing by earth source heat pump heat exchanger 2 and earth source heat pump equipment 5 heat-obtaining ports, after earth source heat pump equipment 5 heating promotes, the heat transfer cycle fluid heating tunnel-liner in the closed loop that is connected into by earth source heat pump equipment 5 heat supply ports and heat supplying pipeline 8.
Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each part all available prior art realized.
Claims (3)
1. a tunnel in cold area lining cutting solar energy-ground source heat pump associating accumulation of heat heating system, is characterized in that: comprise solar thermal collector, earth source heat pump heat exchanger, earth source heat pump equipment and heat supplying pipeline;
Described earth source heat pump heat exchanger comprises multi-group heat exchanger, and multi-group heat exchanger is arranged in the country rock of middle part, tunnel, and each two ends of organizing heat exchanger are linked to be middle part, tunnel country rock heat-obtaining loop by outlet pipeline, inlet pipeline and earth source heat pump equipment heat-obtaining port respectively;
The two ends of described solar thermal collector are linked to be middle part, tunnel country rock accumulation of heat loop by outlet pipeline, inlet pipeline and earth source heat pump heat exchanger respectively;
Described heat supplying pipeline comprises many group heating tubes, many group heating tubes are arranged between the first lining and two linings of tunnel portal section, and each two ends of organizing heating tube are linked to be the first tunnel portal section lining cutting heat supply loop by outlet pipeline, inlet pipeline and earth source heat pump equipment heat supply port respectively;
The two ends of described solar thermal collector form the second tunnel portal section lining cutting heat supply loop by outlet pipeline, inlet pipeline and heat supplying pipeline respectively.
2. the method for operation of the described tunnel in cold area lining cutting of claim 1 a solar energy-ground source heat pump associating accumulation of heat heating system is characterized in that: comprise following four kinds of modes:
The first method of operation is solar energy storage mode in summer, solar energy divides two parts storage, heat transfer cycle fluid storage in the closed loop that part solar energy is connected into by solar thermal collector and earth source heat pump heat exchanger is in the tunnel surrounding around armature boring, for Winter heat supply; Heat transfer cycle fluid storage in the closed loop that another part solar energy is connected into by solar thermal collector and heat supplying pipeline in the hole for the hot arc country rock in, be used for delaying the zero-time of tunnel-liner heating;
The second method of operation is solar energy independent heat supply mode, the interior heat transfer cycle fluid heating tunnel-liner of closed loop that utilizes solar thermal collector and heat supplying pipeline to be connected into;
The third method of operation is solar energy-ground source heat pump combined heat mode, heat in heat transfer cycle absorption of fluids country rock in the closed loop that is connected into by solar thermal collector, earth source heat pump heat exchanger and earth source heat pump equipment heat-obtaining port, after earth source heat pump equipment heating promotes, the heat transfer cycle fluid heating tunnel-liner in the closed loop that is connected into by earth source heat pump equipment heat supply port and heat supplying pipeline;
The 4th kind of method of operation is the earth source heat pump independent heat supply mode, be connected into the heat in the heat transfer cycle absorption of fluids country rock in the closed loop of sealing by earth source heat pump heat exchanger and earth source heat pump equipment heat-obtaining port, after earth source heat pump equipment heating promotes, the heat transfer cycle fluid heating tunnel-liner in the closed loop that is connected into by earth source heat pump equipment heat supply port and heat supplying pipeline.
3. tunnel in cold area lining cutting solar energy-ground source heat pump associating accumulation of heat heating system according to claim 1, it is characterized in that: described earth source heat pump heat exchanger is double pipe heat exchanger, and is arranged in hollow bolt in the country rock of middle part, tunnel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100174047A CN103090553A (en) | 2013-01-17 | 2013-01-17 | Cold region tunnel lining solar energy and ground source heat pump combined heat storage heating system and method |
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| CN2013100174047A CN103090553A (en) | 2013-01-17 | 2013-01-17 | Cold region tunnel lining solar energy and ground source heat pump combined heat storage heating system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533462A (en) * | 2015-01-04 | 2015-04-22 | 史法战 | Tunnel lining concrete thermal insulation 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 |
| 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 |
| 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 |
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| DE4018936A1 (en) * | 1989-10-10 | 1991-04-11 | Temperenz System Gmbh | Heat storage system - uses latent heat of melting ice stored in underground tube connected to sump and contg. heat pump evaporator |
| JP2000234820A (en) * | 1999-02-10 | 2000-08-29 | Sanyo Electric Co Ltd | Solar heat driven freezing machine and its operation method |
| CN101672188A (en) * | 2009-09-23 | 2010-03-17 | 同济大学 | Lining heat system used at tunnel portal |
| CN101988775A (en) * | 2010-11-16 | 2011-03-23 | 山东建筑大学 | Solar-air-geothermal multisource dual-machine heat pump heat supply and air conditioning composite system |
| CN202132648U (en) * | 2011-07-21 | 2012-02-01 | 徐霆生 | Pipeline heating system |
| CN202187745U (en) * | 2011-08-27 | 2012-04-11 | 张茂勇 | New energy air-conditioning system for freeze protection of well head and freeze protection of surface for mine |
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2013
- 2013-01-17 CN CN2013100174047A patent/CN103090553A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4018936A1 (en) * | 1989-10-10 | 1991-04-11 | Temperenz System Gmbh | Heat storage system - uses latent heat of melting ice stored in underground tube connected to sump and contg. heat pump evaporator |
| JP2000234820A (en) * | 1999-02-10 | 2000-08-29 | Sanyo Electric Co Ltd | Solar heat driven freezing machine and its operation method |
| CN101672188A (en) * | 2009-09-23 | 2010-03-17 | 同济大学 | Lining heat system used at tunnel portal |
| CN101988775A (en) * | 2010-11-16 | 2011-03-23 | 山东建筑大学 | Solar-air-geothermal multisource dual-machine heat pump heat supply and air conditioning composite system |
| CN202132648U (en) * | 2011-07-21 | 2012-02-01 | 徐霆生 | Pipeline heating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533462A (en) * | 2015-01-04 | 2015-04-22 | 史法战 | Tunnel lining concrete thermal insulation 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 |
| 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 |
| 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 |
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Application publication date: 20130508 |