CN207907540U - A kind of earth source heat pump energy stake - Google Patents
A kind of earth source heat pump energy stake Download PDFInfo
- Publication number
- CN207907540U CN207907540U CN201820023683.6U CN201820023683U CN207907540U CN 207907540 U CN207907540 U CN 207907540U CN 201820023683 U CN201820023683 U CN 201820023683U CN 207907540 U CN207907540 U CN 207907540U
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- Prior art keywords
- pipeline section
- section
- round
- outlet
- heat exchanging
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Abstract
The utility model provides a kind of earth source heat pump energy stake, including steel reinforcement cage and heat exchanging pipe, heat exchanging pipe is embedded into prefabricated steel reinforcement cage, heat exchanging pipe includes import pipeline section, outlet pipe section, multiple round pipeline sections and multiple connection pipeline sections, round pipeline section is arranged along the axially spaced-apart of steel reinforcement cage, import pipeline section connects the round pipeline section of top layer, the undermost round pipeline section of outlet pipe section connection, and connection pipeline section connects the round pipeline section of neighbouring two.The round pipeline section being vertically connected with is arranged in the utility model, can increase heat exchange stroke of the heat transferring medium in energy stake, improves heat exchange efficiency；Compared to U-tube section and spiral shape pipeline section, several small section of connection pipeline sections are only arranged in the utility model in the longitudinal direction, the stress that heat exchanging pipe is subject in the axial direction is decomposed, after avoiding stake top from being further applied load, the heat exchanging pipe in stake bears larger stress and deforms and be even broken.
Description
Technical field
The utility model belongs to energy stake technical field, and in particular to a kind of earth source heat pump energy stake.
Background technology
Energy stake is to be combined pile foundation with earth source heat pump, can both carry fabric structure, while using shallow-layer
The a large amount of low-temperature heat sources stored in lower soil, rock, underground water or other media provide heating, air-conditioning and heat for space
Water, it overcomes the defect of the ground-source heat pump system of vertical drilling hole pipe laying, while can reduce the occupation of land face of ground-source heat pump system
Product and investment are a kind of green building techniques for the low cost highly widelyd popularize.
Currently, the building basis in China is using cast-in-situ bored pile as principal mode, energy stake refers generally in cast-in-situ bored pile
In pre-buried heat exchanger tube, then removed in stake well with steel reinforcement cage one, then casting concrete forms.Wherein, plastics heat exchange tube master
Will be there are five types of type, respectively list is U-shaped, connects double-U-shaped (W types), double-U-shaped, in parallel three U-shaped and single-screw types in parallel.
In the research application of current existing energy stake heat exchanger tube few in number both at home and abroad, plastic tube heat exchange is mainly continued to use
The cloth Manifold technology of the U-shaped of pipe, W types or single-screw type.Most common application at present is U-shaped stringing, and U-shaped stringing installation is more convenient,
But heat transfer efficiency is to be improved；In order to increase heat transfer area, the service efficiency of energy stake is improved, is also had using single-screw type cloth
The application of pipe, still, for any of the above piping mode, after stake top is further applied load, pipe laying can be with surrounding in stake
Concrete deforms together, and longitudinal stress can be correspondingly generated in pipe laying, and the stress suffered by the pipe laying is more than the intensity of its material
When, pipe laying can rupture, and on the one hand can influence the operation of heat pump system, and on the other hand, the circulation of fluid in pipe laying can make stake
Interior reinforcement corrosion influences the bearing capacity of pile body.In addition, when temperature increases or reduces, the soil body meeting of pile body and surrounding
It expands with heat and contract with cold, due to the difference of the coefficient of expansion between Pile Soil, leads to that relative displacement occurs between Pile Soil, and then increase
The radial stress of pile body, reduces the security performance of pile body and its interior pipe laying.
Utility model content
The purpose of this utility model be to provide a kind of heat transfer efficiency height, high mechanical strength, safety and stability earth source heat pump energy
Measure stake.
The utility model provides the following technical solution：
A kind of earth source heat pump energy stake, including steel reinforcement cage and heat exchanging pipe, heat exchanging pipe are embedded into prefabricated steel reinforcement cage,
Heat exchanging pipe includes import pipeline section, outlet pipe section, multiple round pipeline sections and multiple connection pipeline sections, axis of the round pipeline section along steel reinforcement cage
It is arranged to interval, import pipeline section connects the round pipeline section of top layer, and the undermost round pipeline section of outlet pipe section connection connects pipeline section
Connect the round pipeline section of neighbouring two.
Preferably, heat exchanging pipe further includes outlet elbow and outlet straight tube, and one end of outlet elbow connects undermost circle
Shape pipeline section, the other end connection outlet straight tube of outlet elbow, outlet straight tube are located in the pipeloop of round pipeline section and from the bottom to top
The connection outlet pipeline section after round pipeline section.
Preferably, be equipped with corrugated connecting tube at import pipeline section and outlet pipe section, corrugated connecting tube be connected to import pipeline section and
Round pipeline section, corrugated connecting tube are connected to outlet pipe section and outlet straight tube.
Preferably, between two neighboring round pipeline section, the diameter of the round pipeline section of top is less than the round pipeline section of lower section
Diameter.
Preferably, import pipeline section, connection pipeline section, round pipeline section and outlet elbow are metal material, export straight tube and go out
Mouth pipeline section is the PPR materials that outer layer jacket is equipped with insulating layer.
The utility model has the beneficial effects that：
1, the round pipeline section being vertically connected with is set, heat exchange stroke of the heat transferring medium in energy stake can be increased, improves heat exchange
Efficiency；Compared to U-tube section and spiral shape pipeline section, several small section of connection pipeline sections are only arranged in the utility model in the longitudinal direction, decompose
The stress that heat exchanging pipe is subject in the axial direction, after avoiding stake top from being further applied load, the heat exchanging pipe in stake bears larger stress
And it deforms and is even broken.
2, setting outlet straight tube can make the medium after heat exchange quickly transfer out pile body, avoid medium from earth's surface depths to earth's surface
During the flowing of shallow place, heat and the concrete of surrounding or secondary exchange of the soil body and reduce heat exchange efficiency.Export straight tube position
In in the pipeloop of round pipeline section, without being set to outside the pipeloop of round pipeline section, the radial distance of outlet straight tube and pile body is increased,
It avoids outlet straight tube from being deformed by the stress that pile body transmits even to be broken.
3, the corrugated connecting tube at import pipeline section and outlet pipe section has axial cushion performance, can absorb the one of pile body
Part axial deflection, further enhance heat exchanging pipe pile body axial direction stability.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；
In figure label for：1. steel reinforcement cage；2. import pipeline section；3. outlet pipe section；4. round pipeline section；5. connecting pipeline section；6. going out
Mouth bend pipe；7. exporting straight tube；8. corrugated connecting tube.
Specific implementation mode
As shown in Figure 1, a kind of earth source heat pump energy stake, including steel reinforcement cage 1 and heat exchanging pipe, heat exchanging pipe are embedded into prefabricated
Steel reinforcement cage 1 on, heat exchanging pipe includes import pipeline section 2, outlet pipe section 3, multiple round pipeline sections 4 and multiple connection pipeline sections 5, circle
Pipeline section 4 is arranged along the axially spaced-apart of steel reinforcement cage 1, and import pipeline section 2 connects the round pipeline section 4 of top layer, and the connection of outlet pipe section 3 is most lower
The round pipeline section 4 of layer, connection pipeline section 5 connect two neighbouring circle pipeline sections 4.The round pipeline section 4 being vertically connected with is set, it can
Increase heat exchange stroke of the heat transferring medium in energy stake, improves heat exchange efficiency；Compared to U-tube section and spiral shape pipeline section, this reality
It applies example and has refined axial pipe segment structure, several small section of connection pipeline sections 5 are only set in the axial direction, have decomposed heat exchanging pipe in axial direction
On the stress that is subject to, after avoiding stake top from being further applied load, the heat exchanging pipe in stake bears larger stress and deforms and be even broken.
Preferably, heat exchanging pipe further includes outlet elbow 6 and outlet straight tube 7, and one end connection of outlet elbow 6 is undermost
Round pipeline section 4, the other end connection outlet straight tube 7 of outlet elbow 6, outlet straight tube 7 be located in the pipeloop of round pipeline section 4 and by
Under the supreme connection outlet pipeline section 3 after round pipeline section 4.Outlet straight tube 7, which is arranged, can make the medium after heat exchange quickly transfer out stake
Body, during avoiding medium from being flowed from earth's surface depths to the shallow place of earth's surface, the secondary friendship of concrete or the soil body of heat and surrounding
It changes and reduces heat exchange efficiency.When since temperature raises or reducing, coefficient of thermal expansion difference between Pile Soil and opposite position occurs
It moves, causes pile body by radial stress, outlet straight tube 7 is located in the pipeloop of round pipeline section 4, without being set to round pipeline section 4
Outside pipeloop, the radial distance of outlet straight tube 7 and pile body is increased, outlet straight tube 7 is avoided to be deformed by the stress that pile body transmits
Even it is broken.
Preferably, it is equipped with corrugated connecting tube 8 at import pipeline section 2 and outlet pipe section 3, corrugated connecting tube 8 is connected to inlet tube
Section 2 and round pipeline section 4, corrugated connecting tube 8 are connected to outlet pipe section 3 and outlet straight tube 7.Corrugated connecting tube 8 has axial buffering
Performance can absorb a part of axial deflection of pile body, further enhance heat exchanging pipe pile body axial direction stability.
Preferably, between two neighboring round pipeline section 4, the diameter of the round pipeline section 4 of top is less than the round pipeline section 4 of lower section
Diameter.Absorption either absorption or release of the relatively low earth's surface deep layer of release efficiency to heat due to shallow surface to heat
More efficient, therefore, round pipeline section 4 is in tapering type setting, reduces the invalid heat exchange area of shallow surface, increases earth's surface depth
The effective heat exchange area of layer, while being located at the material cost that diameter smaller round pipeline section 4 in upper layer also saves heat exchanger tube.
Preferably, import pipeline section 2, connection pipeline section 5, round pipeline section 4 and outlet elbow 6 are the metal material of good heat conductivity
Matter, convenient for quickly heat exchange；It is the PPR materials for being externally provided with insulating layer to export straight tube 7 and outlet pipe section 3, convenient for heat-insulated, holding outlet
The temperature of medium is stablized in straight tube 7, and the above structure can improve heat exchange efficiency on the whole.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
Technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this practicality
Within novel protection domain.
Claims (5)
1. a kind of earth source heat pump energy stake, including steel reinforcement cage and heat exchanging pipe, the heat exchanging pipe is embedded into the prefabricated steel
In muscle cage, which is characterized in that the heat exchanging pipe includes import pipeline section, outlet pipe section, multiple round pipeline sections and multiple connecting tubes
Section, the circle pipeline section are arranged along the axially spaced-apart of the steel reinforcement cage, the round tube of import pipeline section connection top layer
Section, the undermost round pipeline section of outlet pipe section connection, the connection pipeline section connect two neighbouring circles
Shape pipeline section.
2. earth source heat pump energy stake according to claim 1, which is characterized in that the heat exchanging pipe further includes outlet elbow
With outlet straight tube, the undermost round pipeline section of one end connection of the outlet elbow, the other end of the outlet elbow connects
The outlet straight tube is connect, the outlet straight tube is located in the pipeloop of the round pipeline section and runs through the round tube from the bottom to top
The outlet pipe section is connected after section.
3. earth source heat pump energy stake according to claim 2, which is characterized in that the import pipeline section and the outlet pipe section
Place is respectively equipped with the axial corrugated connecting tube for being parallel to the steel reinforcement cage, and a corrugated connecting tube is connected to the inlet tube
Section and the round pipeline section, another described corrugated connecting tube are connected to the outlet pipe section and the outlet straight tube.
4. earth source heat pump energy stake according to claim 1, which is characterized in that between the two neighboring round pipeline section,
The diameter for the round pipeline section being located above is less than the diameter of the underlying round pipeline section.
5. earth source heat pump energy stake according to claim 2, which is characterized in that the import pipeline section, the connection pipeline section,
The circle pipeline section and the outlet elbow are metal material, and the outlet straight tube and the outlet pipe section are that outer layer is arranged
There are the PPR materials of insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023683.6U CN207907540U (en) | 2018-01-05 | 2018-01-05 | A kind of earth source heat pump energy stake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023683.6U CN207907540U (en) | 2018-01-05 | 2018-01-05 | A kind of earth source heat pump energy stake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207907540U true CN207907540U (en) | 2018-09-25 |
Family
ID=63566918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820023683.6U Expired - Fee Related CN207907540U (en) | 2018-01-05 | 2018-01-05 | A kind of earth source heat pump energy stake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207907540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383331A (en) * | 2021-12-21 | 2022-04-22 | 中国矿业大学 | Cage type energy pile pipe-laying heat exchanger structure |
| CN115012404A (en) * | 2022-07-19 | 2022-09-06 | 青岛理工大学 | Heat transfer enhanced prefabricated spiral energy pile and construction method thereof |
-
2018
- 2018-01-05 CN CN201820023683.6U patent/CN207907540U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383331A (en) * | 2021-12-21 | 2022-04-22 | 中国矿业大学 | Cage type energy pile pipe-laying heat exchanger structure |
| CN115012404A (en) * | 2022-07-19 | 2022-09-06 | 青岛理工大学 | Heat transfer enhanced prefabricated spiral energy pile and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200319 Address after: Room C3, floor 36, No. 89, Hanzhong Road, Qinhuai District, Nanjing City, Jiangsu Province Patentee after: Singularity New Energy Technology Co., Ltd Address before: 210000 6 Jishan Road, Jiangning Development Zone, Nanjing, Jiangsu (Jiangning Development Zone) Patentee before: MAPLE LEAF ENERGY GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20210105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |