CN107654244A - A kind of earth source heat pump underground tunnel structure and construction method - Google Patents
A kind of earth source heat pump underground tunnel structure and construction method Download PDFInfo
- Publication number
- CN107654244A CN107654244A CN201711157049.8A CN201711157049A CN107654244A CN 107654244 A CN107654244 A CN 107654244A CN 201711157049 A CN201711157049 A CN 201711157049A CN 107654244 A CN107654244 A CN 107654244A
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- Prior art keywords
- heat
- lining cutting
- conducting pipe
- tunnel structure
- cushion
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- Pending
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract 1
- 241000264877 Hippospongia communis Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention is a kind of earth source heat pump underground tunnel structure and construction method, this kind of earth source heat pump underground tunnel structure can be by being attached to culvert by heat conducting pipe, the inner surface of the tunnel structures such as subway, realize the exchange of heat, this kind of tunnel structure includes lining cutting, the inner surface of lining cutting is fixed with heat-transfer pipe, heat-transfer pipe is attached to lining cutting inner surface in the shape of a spiral, and heat-transfer pipe is connected with lining cutting by heat-conducting metal, heat-transfer pipe is outer covered with reinforced mesh, reinforced mesh is fixed in lining cutting, heat conducting pipe is shrouded in reinforced mesh, and casting concrete forms concrete layer in reinforced mesh, the inner surface of concrete layer is pasted with thermal insulation cushion, this kind of tunnel structure can realize the laying of earth source heat pump using tunnel structure, realize the reasonable utilization of energy.
Description
Technical field
The present invention is to be related to civil construction field, specifically a kind of earth source heat pump underground tunnel structure and construction party
Method.
Background technology
Traditional geographical heat pump is difficult to avoid that the expense of drilling and backfilling material, and engineering difficulty is big and consumption is huge,
The thermmal storage ability and heat-conductive characteristic that concrete structure is higher are make use of in tunnel structure, can be obtained than the pipe laying that drills
The higher heat exchange efficiency of heat exchanger, therefore, laying earth-source hot-pump system has preferable promotion prospect in tunnel structure.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of earth source heat pump underground tunnel structure and construction method, this kind of ground
Lower tunnel structure can utilize tunnel structure in itself, realize the exchange of energy, saved cost, simultaneously, additionally it is possible to tunnel knot
Structure serves the effect of support in itself, can also in itself be combined with tunnel structure while cost-effective, reaches more preferable effect.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of earth source heat pump underground tunnel structure, it is characterized in that：Including lining cutting, the inner surface of described lining cutting is fixed with annular spiral shell
The heat conducting pipe of rotation, described heat conducting pipe is outer covered with concrete layer, has reinforced mesh, described reinforcing bar in described concrete layer
Mesh sheet is fixedly connected with lining cutting, and described heat conducting pipe is fixed between reinforced mesh and lining cutting, the interior table of described concrete layer
Face is covered with heat-insulated cushion；
Described lining cutting is made up of prefabricated pipe section, and described prefabricated pipe section inner surface has groove, connects outside described heat conducting pipe pipe
Metal heat-conducting piece is connected to, described metal heat-conducting piece has with groove with suitable projection.
To optimize foregoing invention, the concrete measure taken also includes：
Described heat-insulated cushion is made up of inner and outer wall, and some regular hexagon branch are provided between described inner and outer wall
The big hexagon thermal insulation layer of frame composition, it is mounted on by small in each regular hexagon space in described big hexagon thermal insulation layer
The small regular hexagon cushion of regular hexagon support composition, described big hexagon thermal insulation layer and small regular hexagon cushion are
The direction of honeycomb, the thermal insulation layer dividing plate of described big hexagon thermal insulation layer and the cushion dividing plate of small regular hexagon cushion
It is identical with the radial direction of lining cutting.
The height of described thermal insulation layer dividing plate is twice of cushion divider height.
Described cushion dividing plate is fixedly connected close to lining cutting side with concrete layer.
Described heat conducting pipe is hollow structure, and described heat conduction tube end is connected with heat-exchange system.
The construction method of a kind of earth source heat pump underground tunnel structure, it is characterised in that construction procedure is as follows：
Step 1, it is circular tunnel to excavate section；
Step 2, lining cutting is routed to inner surface of tunnel and forms supporting construction, described lining cutting connected by some cylindrical segments and
Into each cylindrical segment is formed by connecting by multi-disc circular arc prefabricated pipe section；
Step 3, heat conducting pipe is installed in lining cutting inner surface, first heat conducting pipe is laid along lining cutting surface, heat conducting pipe is laid to spiral shell
Revolve shape；
Step 4, metal heat-conducting piece is fixed on heat conducting pipe, by the projection of metal heat-conducting piece be inserted on prefabricated pipe section reserve it is recessed
In groove, and heat-conducting glue is coated with the raised joint face of groove and metal heat-conducting piece；
Step 5, water filling in heat conductive pipes, the watertightness of heat conducting pipe is tested；
Step 6, when watertightness is qualified, step 8 is performed；
Step 7, when watertightness is unqualified, heat conducting pipe faulty section, return to step 5 are changed；
Step 8, reinforced mesh is laid on the outside of heat conducting pipe, reinforced mesh is fixed on the inner surface of lining cutting, and heat conducting pipe is consolidated
It is scheduled between reinforced mesh and lining cutting；
Step 9, concrete is injected in reinforced mesh and forms concrete layer；
Step 10, after concrete layer hardening, prefabricated heat-insulated cushion is laid in concrete layer inner surface annular；
Step 11, foamed resin is smeared at the gap of heat-insulated cushion and forms sealant.
Described step 9 inner concrete layer realizes being made for concrete layer by way of segmentation pours.
What a kind of earth source heat pump underground tunnel structure and construction method can reach has the beneficial effect that：
First, heat conducting pipe and the heat exchanger effectiveness of lining cutting can be improved by metal heat-conducting piece.
Second, the protection to heat conducting pipe is realized by reinforced mesh and concrete layer, improves service life.
3rd, being protected by heat-insulated cushion can also prevent heat exchange to tunnel structure energy while heat exchange structure
The influence of temperature environment.
4th, big hexagon thermal insulation layer can reduce heat conduction to greatest extent in two layers of honey comb structure in heat-insulated cushion
Area of section, and small hexagon cushion maximum can play when being impacted and play buffering using the high intensity of structure in itself
Effect.
Brief description of the drawings
Fig. 1 is the structural principle of a kind of earth source heat pump underground tunnel structure and construction method underground tunnel structure of the invention
Figure.
Fig. 2 is a kind of earth source heat pump underground tunnel structure and the heat-insulated cushion of construction method underground tunnel structure of the invention
Sectional view.
Fig. 3 be of the invention a kind of earth source heat pump underground tunnel structure and construction method underground tunnel structure thermal insulation layer dividing plate with
And the structure principle chart of cushion dividing plate.
Fig. 4 is a kind of earth source heat pump underground tunnel structure and construction method underground tunnel structure metal heat-conducting piece of the invention
Structure principle chart.
Marginal data：1st, lining cutting；2nd, concrete layer；3rd, heat conducting pipe；4th, heat-insulated cushion；5th, big hexagon thermal insulation layer；6、
Small regular hexagon cushion；7th, thermal insulation layer dividing plate；8th, cushion dividing plate；9th, metal heat-conducting piece.
Embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described.
A kind of earth source heat pump underground tunnel structure, it is characterized in that：Including lining cutting 1, the inner surface of described lining cutting 1 is fixed with
The heat conducting pipe 3 of toroidal helical, described heat conducting pipe 3 is outer covered with concrete layer 2, has reinforced mesh in described concrete layer 2,
Described reinforced mesh is fixedly connected with lining cutting 1, and described heat conducting pipe 3 is fixed between reinforced mesh and lining cutting 1, and described is mixed
The inner surface of solidifying soil layer 2 is covered with heat-insulated cushion 4；
Described lining cutting 1 is made up of prefabricated pipe section, and described prefabricated pipe section inner surface has groove, and described heat conducting pipe 3 is managed outer
Metal heat-conducting piece 9 is connected with, described metal heat-conducting piece 9 has with groove with suitable projection.
In the present embodiment, heat-insulated cushion 4 is made up of inner and outer wall, is provided between described inner and outer wall some
The big hexagon thermal insulation layer 5 of regular hexagon support composition, in each regular hexagon space in described big hexagon thermal insulation layer 5
It is mounted on the small regular hexagon cushion 6 being made up of small regular hexagon support, described big hexagon thermal insulation layer 5 and small by positive six
Side shape cushion 6 is honeycomb, the thermal insulation layer dividing plate 7 and small regular hexagon cushion 6 of described big hexagon thermal insulation layer 5
Cushion dividing plate 8 direction it is identical with the radial direction of lining cutting 1.
In the present embodiment, the height of thermal insulation layer dividing plate 7 is twice of the height of cushion dividing plate 8.
In the present embodiment, cushion dividing plate 8 is fixedly connected close to the side of lining cutting 1 with concrete layer 2.
In the present embodiment, heat conducting pipe 3 is hollow structure, and the described end of heat conducting pipe 3 is connected with heat-exchange system.
In the present embodiment, the construction method of a kind of earth source heat pump underground tunnel structure, it is characterised in that construction procedure is such as
Under：
Step 1, section is excavated as circular tunnel；
Step 2, lining cutting is routed to inner surface of tunnel and forms supporting construction, described lining cutting connected by some cylindrical segments and
Into each cylindrical segment is formed by connecting by multi-disc circular arc prefabricated pipe section；
Step 3, heat conducting pipe is installed in lining cutting inner surface, first heat conducting pipe is laid along lining cutting surface, heat conducting pipe is laid to spiral shell
Revolve shape；
Step 4, metal heat-conducting piece is fixed on heat conducting pipe, by the projection of metal heat-conducting piece be inserted on prefabricated pipe section reserve it is recessed
In groove, and heat-conducting glue is coated with the raised joint face of groove and metal heat-conducting piece；
Step 5, water filling in heat conductive pipes, the watertightness of heat conducting pipe is tested；
Step 6, when watertightness is qualified, step 8 is performed；
Step 7, when watertightness is unqualified, heat conducting pipe faulty section, return to step 5 are changed；
Step 8, reinforced mesh is laid on the outside of heat conducting pipe, reinforced mesh is fixed on the inner surface of lining cutting, and heat conducting pipe is consolidated
It is scheduled between reinforced mesh and lining cutting；
Step 9, concrete is injected in reinforced mesh and forms concrete layer；
Step 10, after concrete layer hardening, prefabricated heat-insulated cushion is laid in concrete layer inner surface annular；
Step 11, foamed resin is smeared at the gap of heat-insulated cushion and forms sealant.
In the present embodiment, step 9 inner concrete layer realizes being made for concrete layer by way of segmentation pours.
In the present embodiment, metal heat-conducting piece 9 is made up of brass material, and is closely detachably connected with heat conducting pipe 3 using buckle
Connect.
In the present embodiment, thermal insulation layer dividing plate 7 is made of insulating rubber, and cushion dividing plate 8 is then made of alloy sheets.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, the protection of the present invention should be regarded as
Scope.
Claims (7)
1. a kind of earth source heat pump underground tunnel structure, it is characterized in that：Including lining cutting（1）, described lining cutting（1）Inner surface fix
There is the heat conducting pipe of toroidal helical（3）, described heat conducting pipe（3）Outside covered with concrete layer（2）, described concrete layer（2）It is interior
There are reinforced mesh, described reinforced mesh and lining cutting（1）It is fixedly connected, described heat conducting pipe（3）It is fixed on reinforced mesh and lining
Build（1）Between, described concrete layer（2）Inner surface covered with heat-insulated cushion（4）；
Described lining cutting（1）It is made up of prefabricated pipe section, described prefabricated pipe section inner surface has groove, described heat conducting pipe（3）
Pipe is externally connected with metal heat-conducting piece（9）, described metal heat-conducting piece（9）With with groove with suitable projection.
A kind of 2. earth source heat pump underground tunnel structure according to claim 1, it is characterised in that：Described heat-insulated cushion
（4）It is made up of inner and outer wall, the big hexagon of some regular hexagon support compositions is installed between described inner and outer wall
Thermal insulation layer（5）, described big hexagon thermal insulation layer（5）It is mounted in interior each regular hexagon space by small regular hexagon branch
The small regular hexagon cushion of frame composition（6）, described big hexagon thermal insulation layer（5）With small regular hexagon cushion（6）It is
Honeycomb, described big hexagon thermal insulation layer（5）Thermal insulation layer dividing plate（7）And small regular hexagon cushion（6）Cushion
Dividing plate（8）Direction and lining cutting（1）Radial direction it is identical.
A kind of 3. earth source heat pump underground tunnel structure according to claim 2, it is characterised in that：Described thermal insulation layer dividing plate
（7）Height be cushion dividing plate（8）Twice of height.
A kind of 4. earth source heat pump underground tunnel structure according to claim 3, it is characterised in that：Described cushion dividing plate
（8）Close to lining cutting（1）Side and concrete layer（2）It is fixedly connected.
A kind of 5. earth source heat pump underground tunnel structure according to claim 1, it is characterised in that：Described heat conducting pipe（3）
For hollow structure, described heat conducting pipe（3）End is connected with heat-exchange system.
A kind of 6. construction method of earth source heat pump underground tunnel structure according to claim 1, it is characterised in that construction step
It is rapid as follows：
Step 1, it is circular tunnel to excavate section；
Step 2, lining cutting is routed to inner surface of tunnel and forms supporting construction, described lining cutting connected by some cylindrical segments and
Into each cylindrical segment is formed by connecting by multi-disc circular arc prefabricated pipe section；
Step 3, heat conducting pipe is installed in lining cutting inner surface, first heat conducting pipe is laid along lining cutting surface, heat conducting pipe is laid to spiral shell
Revolve shape；
Step 4, metal heat-conducting piece is fixed on heat conducting pipe, by the projection of metal heat-conducting piece be inserted on prefabricated pipe section reserve it is recessed
In groove, and heat-conducting glue is coated with the raised joint face of groove and metal heat-conducting piece；
Step 5, water filling in heat conductive pipes, the watertightness of heat conducting pipe is tested；
Step 6, when watertightness is qualified, step 8 is performed；
Step 7, when watertightness is unqualified, heat conducting pipe faulty section, return to step 5 are changed；
Step 8, reinforced mesh is laid on the outside of heat conducting pipe, reinforced mesh is fixed on the inner surface of lining cutting, and heat conducting pipe is consolidated
It is scheduled between reinforced mesh and lining cutting；
Step 9, concrete is injected in reinforced mesh and forms concrete layer；
Step 10, after concrete layer hardening, prefabricated heat-insulated cushion is laid in concrete layer inner surface annular；
Step 11, foamed resin is smeared at the gap of heat-insulated cushion and forms sealant.
A kind of 7. construction method of earth source heat pump underground tunnel structure according to claim 6, it is characterised in that：Described
Step 9 inner concrete layer realizes being made for concrete layer by way of segmentation pours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157049.8A CN107654244A (en) | 2017-11-20 | 2017-11-20 | A kind of earth source heat pump underground tunnel structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157049.8A CN107654244A (en) | 2017-11-20 | 2017-11-20 | A kind of earth source heat pump underground tunnel structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107654244A true CN107654244A (en) | 2018-02-02 |
Family
ID=61121797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711157049.8A Pending CN107654244A (en) | 2017-11-20 | 2017-11-20 | A kind of earth source heat pump underground tunnel structure and construction method |
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| Country | Link |
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| CN (1) | CN107654244A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900817A (en) * | 2019-12-04 | 2020-03-24 | 青岛理工大学 | Tunnel energy segment prefabricating and connecting method applied to shield construction |
| CN111271112A (en) * | 2020-03-03 | 2020-06-12 | 安徽理工大学 | Multifunctional mine well wall cooling device and cooling method |
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|---|---|---|---|---|
| CN101672188A (en) * | 2009-09-23 | 2010-03-17 | 同济大学 | Lining heat system used at tunnel portal |
| 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 |
| CN204551238U (en) * | 2015-02-03 | 2015-08-12 | 江苏宏远科技工程有限公司 | Bridge anti-collision device |
| CN106152334A (en) * | 2015-04-08 | 2016-11-23 | 青岛理工大学 | Capillary tube wall surface heat exchanger used in subway tunnel |
| CN106437792A (en) * | 2016-12-16 | 2017-02-22 | 绍兴文理学院 | Inverted arc layer buried geothermal anti-freezing heating system of energy tunnel |
| CN106437791A (en) * | 2016-12-16 | 2017-02-22 | 绍兴文理学院 | Energy source tunnel lining composite type ground warmth anti-freezing heating system |
-
2017
- 2017-11-20 CN CN201711157049.8A patent/CN107654244A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672188A (en) * | 2009-09-23 | 2010-03-17 | 同济大学 | Lining heat system used at tunnel portal |
| 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 |
| CN204551238U (en) * | 2015-02-03 | 2015-08-12 | 江苏宏远科技工程有限公司 | Bridge anti-collision device |
| CN106152334A (en) * | 2015-04-08 | 2016-11-23 | 青岛理工大学 | Capillary tube wall surface heat exchanger used in subway tunnel |
| CN106437792A (en) * | 2016-12-16 | 2017-02-22 | 绍兴文理学院 | Inverted arc layer buried geothermal anti-freezing heating system of energy tunnel |
| CN106437791A (en) * | 2016-12-16 | 2017-02-22 | 绍兴文理学院 | Energy source tunnel lining composite type ground warmth anti-freezing heating system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900817A (en) * | 2019-12-04 | 2020-03-24 | 青岛理工大学 | Tunnel energy segment prefabricating and connecting method applied to shield construction |
| CN111271112A (en) * | 2020-03-03 | 2020-06-12 | 安徽理工大学 | Multifunctional mine well wall cooling device and cooling method |
| CN111271112B (en) * | 2020-03-03 | 2021-10-15 | 安徽理工大学 | Multifunctional mine well wall cooling device and cooling method |
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