CN107917552B - It is easy to the construction method of earth source heat pump that is fixed, preventing heat-transfer pipe from deforming - Google Patents
It is easy to the construction method of earth source heat pump that is fixed, preventing heat-transfer pipe from deforming Download PDFInfo
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- CN107917552B CN107917552B CN201711190486.XA CN201711190486A CN107917552B CN 107917552 B CN107917552 B CN 107917552B CN 201711190486 A CN201711190486 A CN 201711190486A CN 107917552 B CN107917552 B CN 107917552B
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 230000002787 reinforcement Effects 0.000 claims abstract description 42
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The present invention relates to a kind of construction method for being easy to earth source heat pump that is fixed, preventing heat-transfer pipe from deforming, which includes the connector with U-shaped through-hole, and the lower end of the connector is equipped with gravity block；The upper port of U-shaped through-hole is connected with heat-transfer pipe；The outer wall of the connector setting cylindrical, the connector is equipped with multiple connection pawls in crescent, and the tip inside for connecting pawl is equipped with link slot, and the width of link slot is greater than the diameter of the used reinforcing bar of steel reinforcement cage, links on the reinforcing bar of steel reinforcement cage convenient for connector；Arc-shaped setting on the outside of pawl end is connected, avoids connection pawl from snapping on steel reinforcement cage during installation, causes equipment damage；According to the distribution arrangement of link slot when construction, heat-transfer pipe is rotated, until link slot is connected on the longitudinal reinforcement of steel reinforcement cage, and heat-transfer pipe is moved up, until connection pawl touches the transverse steel of steel reinforcement cage, heat-transfer pipe and U-joint used for geothermal heat pump can not be moved.
Description
Technical field
The present invention relates to technical field of ground source heat pump, especially a kind of U-joint used for geothermal heat pump, earth source heat pump and Di Yuan
Heat pump construction method.
Background technique
Earth source heat pump is one of the technology for the building energy conservation emission reduction that state key promotes and applies；It is a kind of using buried under ground
Heat exchange of heat pipe carries out the cold device exchanged of heat with the earth underground shallow layer (< 200m) geothermal energy resources, realizes heat supply in winter, cooling in summer
Double effects.But since the work such as embedded heat exchanger that need to drill lead to the initial outlay expense phase of ground-source heat pump system
To higher, to limit its popularization and application.Therefore, seek to reduce the technical solution of underground pipe drilling construction expense to be engineering skill
The direction and ground source heat pump technology that art personnel lay siege to obtain the necessary condition of wide popularization and application.
Heat-transfer pipe and connector are buried in engineering pile basis, to avoid the energy of the embedded additional drilling construction expense of heat-transfer pipe
Amount stake technical solution is the direction that engineers and technicians make great efforts thinking in recent years；And how heat-transfer pipe and connector are buried in pile foundation
It is the key factor of the technical solution；Correlative study shows arrangement heat-transfer pipe and connector, Huo Zhe after the completion of prefabricated pile is driven piles
It is bound on in-site pouring pile cages in drilling of sinking after heat-transfer pipe and connector again, in the continuous pouring concrete into stake holes,
Need on one side vibrate pipe inner concrete while extract wall protection pipe, due to the difference of joint material density and concrete density, often
It will appear connector with the situation shifted up of vibrating of concrete, cause heat-transfer pipe bending deformation even to rupture, due to coagulation
Heat-transfer pipe and connector can not be repaired after soil solidification, be easy to cause equipment install failure, can not utilize geothermal energy resources.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind to be easy to fixed in the construction process, prevents heat-transfer pipe from deforming
U-joint used for geothermal heat pump, earth source heat pump and earth source heat pump construction method.
To solve the above-mentioned problems, the present invention provides a kind of U-joints used for geothermal heat pump, including with U-shaped through-hole
The lower end of connector, the connector is equipped with gravity block, convenient for connector sinks；The upper port of U-shaped through-hole is connected with heat-transfer pipe；Institute
Connector setting cylindrical is stated, the outer wall of the connector is equipped with multiple connection pawls in crescent, is used for connector and reinforcing bar
Cage mutually links, and prevents connector from shifting up in the construction process.
Further, the tip inside of the connection pawl is equipped with link slot, and the width of the link slot is greater than steel reinforcement cage and is made
The diameter of reinforcing bar links on the reinforcing bar of steel reinforcement cage convenient for connector；Arc-shaped setting on the outside of the connection pawl end, avoids
Connection pawl snaps on steel reinforcement cage during installation, causes equipment damage.
Further, the connection pawl is 3, is evenly distributed on the outer wall of cylindrical connector, and connection pawl and steel are increased
The probability that muscle links, is easily installed.
A kind of earth source heat pump uses above-mentioned U-joint used for geothermal heat pump to be attached.
The construction method of above-mentioned earth source heat pump includes the following steps:
(1) the quasi- strata condition for setting pile foundation and embedded earth source heat pump underground heat-transfer pipe is verified, including in boundary of works area
Clay distribution and mechanical characteristic, soil layer thermal energy storage amount, design energy piles form, energy piles depth and diameter of steel tube, heat transfer
Pipe diameter parameter.
(2) according to design requirement, the steel reinforcement cage being made of transverse steel and longitudinal reinforcement is made, and is embedded in steel reinforcement cage
PVC plastic honeycomb duct is as interim retaining wall.
(3) lower end of heat-transfer pipe is passed through the U-joint used for geothermal heat pump with connection pawl to connect, and by heat-transfer pipe and ground
Source heat pump U-joint is along PVC plastic honeycomb duct implanted reinforced bar cage；Carry out the leakproofness that whole heat-transfer pipe is tested in water flowing.
(4) using immersed tube method formed drilling or using mud off method formed drilling, under be placed with PVC plastic
Expect the steel reinforcement cage of honeycomb duct to projected depth.
(5) casting concrete completes the construction of bored concrete pile pile body, before stirring vibrated concrete, by PVC plastic honeycomb duct
It extracts to U-joint used for geothermal heat pump and is in outside PVC plastic honeycomb duct bottom port upwards；According to the distribution side of link slot
To rotation heat-transfer pipe, until link slot is connected on the longitudinal reinforcement of steel reinforcement cage, then heat-transfer pipe is moved up, until connection pawl connects
Contact the transverse steel of steel reinforcement cage, heat-transfer pipe and U-joint used for geothermal heat pump can not move at this time, be stirred the coagulation that vibrates
Soil completes the construction that heat-transfer pipe and U-joint used for geothermal heat pump are buried in filling pile cage of reinforcement.
The technical effect of invention: (1) of the invention used for geothermal heat pump U-joint, compared with the existing technology, in connector
Outer wall is equipped with multiple connection pawls prevents connector from shifting up in the construction process for mutually linking connector with steel reinforcement cage；
(2) 3 connection pawls are evenly distributed on the outer wall of cylindrical connector, are increased the probability that connection pawl and reinforcing bar link, are easy to pacify
Dress；(3) according to the distribution arrangement of link slot when installing, heat-transfer pipe is slightly rotated, until link slot is connected to longitudinal steel of steel reinforcement cage
On muscle, and heat-transfer pipe is slowly moved up, until connection pawl touches the transverse steel of steel reinforcement cage, heat-transfer pipe and used for geothermal heat pump
U-joint can not move；(4) arc-shaped setting on the outside of pawl end is connected, avoids connection pawl from snapping on steel reinforcement cage during installation, makes
Forming apparatus damage.
Detailed description of the invention
Invention is further described in detail with reference to the accompanying drawings of the specification:
Fig. 1 is the schematic diagram of present invention U-joint used for geothermal heat pump；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the scheme of installation of present invention U-joint and heat-transfer pipe used for geothermal heat pump.
In figure: connector 1, gravity block 2, heat-transfer pipe 3 connect pawl 4, and link slot 41 connects drilling 5 42 on the outside of pawl end,
Longitudinal reinforcement 61, transverse steel 62, PVC plastic honeycomb duct 8, concrete 9.
Specific embodiment
Embodiment 1 is as shown in Figure 1 to Figure 2, the U-joint used for geothermal heat pump of the present embodiment, including the circle with U-shaped through-hole
The lower end of cylindricality connector 1, the connector 1 is equipped with gravity block 2, convenient for connector sinks；The upper port and heat transfer of U-shaped through-hole 1
Pipe 3 is connected；The outer wall of the connector 1 is evenly distributed with 3 connection pawls 4 in crescent, and the tip inside tool of connection pawl 4 is equipped with
Link slot 41, the 42 cambers setting of connection pawl end outside, the width of link slot 41 use the 2 of bar diameter by steel reinforcement cage
Times, it is linked on the reinforcing bar of steel reinforcement cage convenient for connector.
As shown in figure 3, including the following steps: using the earth source heat pump construction method of above-mentioned U-joint used for geothermal heat pump
(1) the quasi- strata condition for setting pile foundation and embedded earth source heat pump underground heat-transfer pipe is verified, including in boundary of works area
Clay distribution and mechanical characteristic, soil layer thermal energy storage amount, design energy piles form, energy piles depth and diameter of steel tube, heat transfer
Pipe diameter parameter.
(2) according to design requirement, the steel reinforcement cage being made of transverse steel 62 and longitudinal reinforcement 61 is made, and in steel reinforcement cage
It is embedded to PVC plastic honeycomb duct 8 and is used as interim retaining wall.
(3) lower end of heat-transfer pipe 3 is passed through the U-joint used for geothermal heat pump with connection pawl 4 to connect, and by heat-transfer pipe 3
With U-joint used for geothermal heat pump along 8 implanted reinforced bar cage of PVC plastic honeycomb duct；Carry out the sealing that whole heat-transfer pipe is tested in water flowing
Property.
(4) drilling 5 is formed using the method for mud off, under be placed with the steel reinforcement cage of PVC plastic honeycomb duct 8 to designing depth
Degree.
(5) casting concrete completes the construction of bored concrete pile pile body, before stirring vibrated concrete 9, by PVC plastic honeycomb duct
8 upward extract to U-joint used for geothermal heat pump are in outside 8 bottom port of PVC plastic honeycomb duct；According to the distribution of link slot 41
Direction, it is slight to rotate heat-transfer pipe 3, when link slot 41 is connected on the longitudinal reinforcement 61 of steel reinforcement cage, then by heat-transfer pipe 3 slowly to
Upper movement, until connection pawl 4 touches the transverse steel 62 of steel reinforcement cage, heat-transfer pipe 3 and U-joint used for geothermal heat pump can not be moved at this time
It is dynamic, it is then stirred vibrated concrete 9, completes to bury applying for heat-transfer pipe and U-joint used for geothermal heat pump in filling pile cage of reinforcement
Work.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
The obvious changes or variations that bright spirit is extended out are still in the protection scope of this invention.
Claims (1)
1. a kind of construction method of earth source heat pump, earth source heat pump include U-joint, which is characterized in that U-joint includes: with U
The lower end of the connector (1) of shape through-hole, the connector (1) is equipped with gravity block (2)；The upper port of U-shaped through-hole and heat-transfer pipe (3) phase
Even；The outer wall of the connector (1) is equipped with 3 connection pawls (4) in crescent, and the tip inside of connection pawl (4), which is equipped with, to be connected
Access slot (41), the width of the link slot (41) are used 2 times of the diameter of reinforcing bar by steel reinforcement cage, are used for connector and steel reinforcement cage
Mutually link；
The connector (1) setting cylindrical, 3 connections pawl (4) are evenly distributed on the outer of cylindrical connector (1)
On wall；
The construction method of the earth source heat pump, includes the following steps:
(1), the quasi- strata condition for setting pile foundation and embedded earth source heat pump underground heat-transfer pipe, including soil layer in boundary of works area are verified
Distribution and mechanical characteristic, soil layer thermal energy storage amount, design energy piles form, energy piles depth and diameter of steel tube, heat-transfer pipe are straight
Diameter parameter；
(2), according to design requirement, the steel reinforcement cage being made of transverse steel (62) and longitudinal reinforcement (61) is made, and in steel reinforcement cage
Middle embedment PVC plastic honeycomb duct (8) is used as interim retaining wall；
(3), the lower end of heat-transfer pipe (3) is passed through the U-joint used for geothermal heat pump with connection pawl (4) to connect, and by heat-transfer pipe
(3) and U-joint used for geothermal heat pump is along PVC plastic honeycomb duct (8) implanted reinforced bar cage；It carries out water flowing and tests whole heat-transfer pipe
(3) leakproofness；
(4), using immersed tube method formed drilling (5) or using mud off method formed drilling (5), under be placed with
The steel reinforcement cage of PVC plastic honeycomb duct (8) is to projected depth；
(5), the construction of bored concrete pile pile body is completed in casting concrete (9), before stirring vibrated concrete, by PVC plastic honeycomb duct
(8) it extracts to U-joint used for geothermal heat pump and is in outside PVC plastic honeycomb duct (8) bottom port upwards；According to link slot (41)
Distribution arrangement, rotate heat-transfer pipe (3), until link slot (41) is connected on the longitudinal reinforcement (61) of steel reinforcement cage, then by heat-transfer pipe
(3) it moves up, until connection pawl (4) touches the transverse steel (62) of steel reinforcement cage, heat-transfer pipe (3) and U used for geothermal heat pump at this time
Shape connector can not move, and be stirred vibrated concrete (9), complete to bury heat-transfer pipe and U used for geothermal heat pump in filling pile cage of reinforcement
The construction of shape connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190486.XA CN107917552B (en) | 2016-01-29 | 2016-01-29 | It is easy to the construction method of earth source heat pump that is fixed, preventing heat-transfer pipe from deforming |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190486.XA CN107917552B (en) | 2016-01-29 | 2016-01-29 | It is easy to the construction method of earth source heat pump that is fixed, preventing heat-transfer pipe from deforming |
| CN201610065735.1A CN105698437B (en) | 2016-01-29 | 2016-01-29 | U-shaped joint for ground source heat pump, ground source heat pump and ground source heat pump construction method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610065735.1A Division CN105698437B (en) | 2016-01-29 | 2016-01-29 | U-shaped joint for ground source heat pump, ground source heat pump and ground source heat pump construction method |
Publications (2)
| Publication Number | Publication Date |
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| CN107917552A CN107917552A (en) | 2018-04-17 |
| CN107917552B true CN107917552B (en) | 2019-07-30 |
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| CN201711189945.2A Active CN107965945B (en) | 2016-01-29 | 2016-01-29 | A kind of earth source heat pump |
| CN201610065735.1A Active CN105698437B (en) | 2016-01-29 | 2016-01-29 | U-shaped joint for ground source heat pump, ground source heat pump and ground source heat pump construction method |
| CN201711190486.XA Active CN107917552B (en) | 2016-01-29 | 2016-01-29 | It is easy to the construction method of earth source heat pump that is fixed, preventing heat-transfer pipe from deforming |
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| CN201711189945.2A Active CN107965945B (en) | 2016-01-29 | 2016-01-29 | A kind of earth source heat pump |
| CN201610065735.1A Active CN105698437B (en) | 2016-01-29 | 2016-01-29 | U-shaped joint for ground source heat pump, ground source heat pump and ground source heat pump construction method |
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| CN107761720B (en) * | 2017-11-14 | 2019-04-30 | 深圳中大经纬地热开发科技有限公司 | The structure and its construction method of earth source heat pump bored concrete pile |
| CN115143653B (en) * | 2022-06-29 | 2024-04-26 | 西南石油大学 | A parallel pipe circulation geothermal heat extraction structure and process scheme |
| CN115897537B (en) * | 2022-11-16 | 2026-04-03 | 中国电建集团河南工程有限公司 | A rapid backfilling vibration compaction mechanism and construction method for geothermal vertical buried borehole heat exchangers |
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| JP3215185B2 (en) * | 1992-10-02 | 2001-10-02 | 積水ハウス株式会社 | Cooling mechanism using heat of vaporization |
| JP3886469B2 (en) * | 2003-04-22 | 2007-02-28 | 株式会社安井建築設計事務所 | Cast-in-place concrete pile and method of using geothermal heat using this pile |
| CN1786615A (en) * | 2004-12-06 | 2006-06-14 | 郝英男 | Underground energy resource collecting pile |
| CN1804229A (en) * | 2006-01-19 | 2006-07-19 | 张延军 | Prefabricated reinforced concrete pile with low temperature geothermal energy conversion function |
| CN2937995Y (en) * | 2006-08-25 | 2007-08-22 | 临海市伟星新型建材有限公司 | Underground connector for ground source heat pump air conditioner |
| AT505647A1 (en) * | 2007-09-10 | 2009-03-15 | Econicsystems Innovative Kuehl | POWER COLUMN |
| CN201116803Y (en) * | 2007-11-22 | 2008-09-17 | 湖北风神净化空调设备工程有限公司 | Ground source heat pump buried pipe heat exchange pile device |
| CN201588210U (en) * | 2010-01-28 | 2010-09-22 | 温州中城建设集团有限公司 | Filling pile with ground source heat pump PE pipe |
| KR101126026B1 (en) * | 2010-07-01 | 2012-03-20 | 대림산업 주식회사 | Geothermal Exchanging Apparatus and System with Heat Recovery |
| JP2012037161A (en) * | 2010-08-09 | 2012-02-23 | Kajima Corp | Method of executing heat gathering piping |
| CN201874002U (en) * | 2010-09-29 | 2011-06-22 | 沈阳市政集团有限公司 | Building foundation pile capable of collecting underground heat |
| CN102071684B (en) * | 2011-01-20 | 2012-05-30 | 东莞市桦业土木基础工程有限公司 | Construction Method of Cast-in-situ Concrete Formed Foundation Pile |
| CN202543904U (en) * | 2012-03-02 | 2012-11-21 | 中国京冶工程技术有限公司 | Screw-in wall-post-grouting precast pile device for ground-source heat energy conversion |
| CN202792688U (en) * | 2012-06-06 | 2013-03-13 | 孙斌 | Pipe pile annulus wall embedded type double U-shaped ground source heat pump buried pipe system |
| CN202730750U (en) * | 2012-06-20 | 2013-02-13 | 杭州市城建开发集团有限公司 | Ground-source heat pump pile buried pipe |
| JP6172839B2 (en) * | 2012-12-28 | 2017-08-02 | 三谷セキサン株式会社 | Method of laying pipe for heat exchange and jig for burying |
| CN103383018B (en) * | 2013-07-18 | 2015-03-11 | 河海大学 | Construction method for embedding pipe in ground source heat pump pouring pile reinforcement cage |
| CN203533977U (en) * | 2013-08-21 | 2014-04-09 | 浙江陆特能源科技有限公司 | Pile foundation buried pipe heat exchange mechanism of ground source side of ground-source heat pump system |
| CN107084542B (en) * | 2017-05-24 | 2019-05-03 | 吉林建筑大学 | Energy pile structure and its construction method |
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2016
- 2016-01-29 CN CN201711189945.2A patent/CN107965945B/en active Active
- 2016-01-29 CN CN201610065735.1A patent/CN105698437B/en active Active
- 2016-01-29 CN CN201711190486.XA patent/CN107917552B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105698437B (en) | 2017-11-10 |
| CN105698437A (en) | 2016-06-22 |
| CN107917552A (en) | 2018-04-17 |
| CN107965945A (en) | 2018-04-27 |
| CN107965945B (en) | 2019-08-09 |
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