CN104048541A - Ground buried heat exchange pipe and ground buried pipe type heat exchanger - Google Patents
Ground buried heat exchange pipe and ground buried pipe type heat exchanger Download PDFInfo
- Publication number
- CN104048541A CN104048541A CN201310079461.8A CN201310079461A CN104048541A CN 104048541 A CN104048541 A CN 104048541A CN 201310079461 A CN201310079461 A CN 201310079461A CN 104048541 A CN104048541 A CN 104048541A
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- heat exchange
- pipe
- ground buried
- heat
- exchange tube
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- 230000005484 gravity Effects 0.000 claims description 19
- 239000004033 plastic Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 abstract description 8
- 239000002689 soil Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000010919 dye waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a ground buried heat exchange pipe and a ground buried pipe type heat exchanger, wherein the ground buried pipe type heat exchanger comprises a heat exchange pipe main body and a ground buried heat exchange pipe, the ground buried heat exchange pipe comprises a heat exchange part, the heat exchange part comprises a first end connected with the heat exchange pipe main body and a second end opposite to the first end, and the heat exchange part of the ground buried heat exchange pipe is in a spring shape. The ground buried pipe type heat exchanger adopting the ground buried heat exchange pipe provided by the invention has the advantages that the heat exchange part of the ground buried heat exchange pipe is made into a spring shape, the longer pipeline length can be obtained through extending in drilling wells with the same depth, more heat exchange areas with the soil can be obtained, the heat exchange efficiency is improved, and the construction difficulty is reduced.
Description
Technical Field
The invention belongs to the technical field of heat exchange, and particularly relates to an underground heat exchange tube and an underground tube heat exchanger with the same.
Background
The vertical buried pipe ground source heat pump technology is a renewable energy source technology, and utilizes the characteristic that the temperature of soil is stable throughout the year, so that the soil can be used as a heat source for heating by a heat pump in winter and can be used as a cold source for an air conditioner in summer. At present, the vertical buried pipe ground source heat pump technology is widely applied to the field of buildings, and has the following advantages: the efficiency is high, the temperature of the soil is higher than the ambient temperature in winter and lower than the ambient temperature in summer, so that the ground source heat pump is more efficient and energy-saving in winter compared with the traditional air conditioning system, and the efficiency of the heat pump unit is higher than that of the traditional air conditioning system by more than 40%; the ground source heat pump utilizes renewable energy, no smoke is discharged, no waste is generated, a field for stacking dye waste is not needed, and the environment of an energy utilization area is protected; the ground source heat pump can meet various functional requirements, can be used for heating and refrigerating, and can also provide domestic hot water and the like.
In the application of the existing ground source heat pump technology, a well drilling machine is generally used for drilling about 40-100 meters on the ground, and after holes are formed, the underground heat exchange tubes are buried 40-100 meters underground. The existing underground heat exchange tube generally adopts a plastic straight tube (such as a U-shaped coil tube), and the required well drilling depth is relatively deep and the construction difficulty is relatively high due to the relatively low heat exchange amount of the underground heat exchange tube.
Disclosure of Invention
One of the purposes of the invention is to provide an underground heat exchange tube, which needs a relatively small well drilling depth during construction and installation, reduces the construction difficulty and has high heat exchange efficiency.
The invention also aims to provide the ground heat exchanger.
In order to achieve the above object, the present invention provides an underground heat exchange tube, which includes a heat exchange portion in a spring shape.
As a further improvement of the invention, the underground heat exchange pipe also comprises a gravity part connected with the heat exchange part.
As a further improvement of the invention, the center of gravity of the buried heat exchange tube is located within the gravity portion.
As a further improvement of the invention, the heat exchanging part of the underground heat exchanging pipe is an aluminum-plastic composite pipe.
To achieve another object of the present invention, there is provided a ground heat exchanger, comprising:
a heat exchange tube main body;
the underground heat exchange tube comprises a heat exchange part, and the heat exchange part comprises a first end connected with the heat exchange tube main body and a second end opposite to the first end; wherein,
the heat exchanging part of the underground heat exchanging pipe is in a spring shape.
As a further improvement of the present invention, the buried heat exchange pipe further comprises a gravity portion connected to the second end of the heat exchange portion.
As a further improvement of the invention, the center of gravity of the buried heat exchange tube is located within the gravity portion.
As a further improvement of the invention, the heat exchanging part of the underground heat exchanging pipe is an aluminum-plastic composite pipe.
Compared with the prior art, the underground heat exchange tube provided by the invention has the advantages that the heat exchange part of the underground heat exchange tube is arranged in a spring shape, so that longer pipeline length can be extended in a drilled well with the same depth, more heat exchange area with soil is obtained, the heat exchange efficiency is improved, and the construction difficulty is reduced.
Drawings
Figure 1 is a schematic view of a ground heat exchanger according to an embodiment of the present invention installed in the ground.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
Referring to fig. 1, a specific embodiment of the buried heat exchange tube of the present invention is described. In the present embodiment, the underground heat exchange pipe 20 includes a heat exchanging portion 21 and a gravity portion 22.
The heat exchanging part 21 is in a spring shape, and the heat exchanging part 21 is set to be in a spiral spring shape, so that after the heat exchanging part is installed, the heat exchanging part 21 can extend for a longer pipeline length in a drilling well with the same depth to obtain a larger heat exchanging area with surrounding soil, the heat exchanging efficiency is improved, correspondingly, under the preset heat exchanging power, a smaller drilling well depth is needed, and the construction difficulty is reduced. In practical application, the length of the pipeline in a unit linear meter of the underground heat exchange pipe 20 is increased, so that the heat exchange quantity in the unit linear meter is increased by more than 4 times, and the well drilling depth is correspondingly reduced by more than 3-4 times.
As a preferred embodiment, the underground heat exchange pipe 20 further includes a gravity portion 22 connected to the heat exchange portion 21. During the installation, bury heat exchange tube 20 wholly can be under the effect of gravity portion 22, in the well bore of making a smooth advance, and need down send with the help of appurtenance unlike traditional bury the heat exchange tube, convenient and fast more, and can avoid the friction between the pipeline that the exogenic action leads to and the rough wall of a well and appurtenance misoperation time to produce the damage to the pipeline, bury the operation effect of heat exchange tube with the influence.
Further preferably, the center of gravity of the underground heat exchange pipe 20 is located in the gravity portion 22, so that the gravity portion 22 can ensure a better traction installation effect on the heat exchange portion 21.
Since the heat exchanging part 21 of the underground heat exchanging pipe 20 of the present invention has a certain telescopic deformation due to the spring shape, the gravity parts 22 having different masses can be provided in different construction situations to allow the underground heat exchanging pipe 20 to be lowered and extended to a predetermined depth.
It should be noted that the heat exchanging portion 21 of the buried heat exchanging pipe 20 of the present invention is an aluminum-plastic composite pipe, which is basically composed of five layers, i.e., plastic, hot melt adhesive, aluminum alloy, hot melt adhesive and plastic in sequence from inside to outside. The aluminum-plastic composite pipe has better heat preservation performance, the inner wall and the outer wall are not easy to corrode, and the inner wall is smooth and has small resistance to fluid; and, since it can be bent freely, it is convenient to install and construct, and is suitable for manufacturing the heat exchanging part 21 of the buried heat exchanging pipe 20 of the present invention.
With continued reference to fig. 1, a particular embodiment of the borehole heat exchanger 100 of the present invention will be described. In the present embodiment, the ground heat exchanger 100 includes a heat exchange tube main body 10 and a ground heat exchange tube 20.
The underground heat exchange tube 20 includes a heat exchanging part 21, the heat exchanging part 21 including a first end 211 connected to the tube body 10 and a second end 212 opposite to the first end 211, a gravity part 22 being connected to the second end 212. The detailed structure of the underground heat exchange pipe 20 has been described in detail in the above embodiments, and therefore, the detailed description thereof is omitted.
The heat exchange tube body 10 is in fluid communication with an underground heat exchange tube 20, and in general, water, for example, may be employed as a heat exchange medium to effect the transfer of heat from the underground heat exchange tube 20 to the heat exchange tube body 10.
The invention has the following beneficial effects through the above embodiment: by adopting the buried tube heat exchanger 100 of the buried heat exchange tube 20 of the invention, the heat exchange part 21 of the buried heat exchange tube 20 is arranged in a spring shape, so that longer pipeline length can be extended in a drilled well with the same depth, more heat exchange area with soil is obtained, the heat exchange efficiency is improved, and the construction difficulty is reduced.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. The underground heat exchange tube is characterized by comprising a heat exchange part, wherein the heat exchange part is in a spring shape.
2. The underground heat exchange tube of claim 1, further comprising a gravity portion connected to the heat exchange portion.
3. The subterranean heat exchange tube of claim 2, wherein a center of gravity of the subterranean heat exchange tube is located within the gravity section.
4. The underground heat exchange pipe of claim 1, wherein the heat exchange portion of the underground heat exchange pipe is an aluminum-plastic composite pipe.
5. An underground heat exchanger, characterized in that the underground heat exchanger comprises:
a heat exchange tube main body;
the underground heat exchange tube comprises a heat exchange part, and the heat exchange part comprises a first end connected with the heat exchange tube main body and a second end opposite to the first end; wherein,
the heat exchanging part of the underground heat exchanging pipe is in a spring shape.
6. The subterranean heat exchanger according to claim 5, wherein the subterranean heat exchange tube further comprises a gravity portion connected to the second end of the heat exchange portion.
7. The subterranean heat exchanger of claim 6, wherein the center of gravity of the subterranean heat exchange tube is located within the gravitational portion.
8. The buried pipe heat exchanger of claim 5, wherein the heat exchanging part of the buried heat exchanging pipe is an aluminum-plastic composite pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310079461.8A CN104048541A (en) | 2013-03-13 | 2013-03-13 | Ground buried heat exchange pipe and ground buried pipe type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310079461.8A CN104048541A (en) | 2013-03-13 | 2013-03-13 | Ground buried heat exchange pipe and ground buried pipe type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104048541A true CN104048541A (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310079461.8A Pending CN104048541A (en) | 2013-03-13 | 2013-03-13 | Ground buried heat exchange pipe and ground buried pipe type heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN104048541A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100846164B1 (en) * | 2007-04-17 | 2008-07-14 | 주식회사 삼영 | Subterranean heat collecting device and cooling and heating device thereby |
| CN201688623U (en) * | 2010-02-11 | 2010-12-29 | 广东联塑科技实业有限公司 | U-shaped elbow of ground source heat pump |
| CN102109287A (en) * | 2011-01-21 | 2011-06-29 | 马敏 | Heat exchange tube and cooling device thereof |
| CN202209819U (en) * | 2011-07-27 | 2012-05-02 | 挪信能源技术（上海）有限公司 | Refrigerant directly vaporizing type ground heat exchanger system |
| CN202349385U (en) * | 2011-10-21 | 2012-07-25 | 湖南凌天科技有限公司 | Buried pipeline balance weight |
| CN203163572U (en) * | 2013-03-13 | 2013-08-28 | 江苏心日源建筑节能科技有限公司 | Buried heat exchange pipe and buried pipe type heat exchanger |
-
2013
- 2013-03-13 CN CN201310079461.8A patent/CN104048541A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100846164B1 (en) * | 2007-04-17 | 2008-07-14 | 주식회사 삼영 | Subterranean heat collecting device and cooling and heating device thereby |
| CN201688623U (en) * | 2010-02-11 | 2010-12-29 | 广东联塑科技实业有限公司 | U-shaped elbow of ground source heat pump |
| CN102109287A (en) * | 2011-01-21 | 2011-06-29 | 马敏 | Heat exchange tube and cooling device thereof |
| CN202209819U (en) * | 2011-07-27 | 2012-05-02 | 挪信能源技术（上海）有限公司 | Refrigerant directly vaporizing type ground heat exchanger system |
| CN202349385U (en) * | 2011-10-21 | 2012-07-25 | 湖南凌天科技有限公司 | Buried pipeline balance weight |
| CN203163572U (en) * | 2013-03-13 | 2013-08-28 | 江苏心日源建筑节能科技有限公司 | Buried heat exchange pipe and buried pipe type heat exchanger |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 215000 new eco building A16F, 18 industrial road, Suzhou Industrial Park, Jiangsu, Suzhou Applicant after: Jiangsu Xinriyuan Building Energy Saving Technology Co., Ltd. Address before: 215000 new eco building A16F, 18 industrial road, Suzhou Industrial Park, Jiangsu, Suzhou Applicant before: Jiangsu Xinriyuan Building Energy Efficiency Technology Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: JIANGSU XINRIYUAN BUILDING ENERGY SAVING TECHNOLOGY INC. TO: JIANGSU XINRIYUAN BUILDING ENERGY SAVING TECHNOLOGY CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140917 |
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| RJ01 | Rejection of invention patent application after publication |