CN107763895A - A kind of replaceable pile foundation heat-exchanger rig - Google Patents
A kind of replaceable pile foundation heat-exchanger rig Download PDFInfo
- Publication number
- CN107763895A CN107763895A CN201711125329.0A CN201711125329A CN107763895A CN 107763895 A CN107763895 A CN 107763895A CN 201711125329 A CN201711125329 A CN 201711125329A CN 107763895 A CN107763895 A CN 107763895A
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- China
- Prior art keywords
- support member
- fin
- pile foundation
- hole
- sticking part
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- 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)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to a kind of replaceable pile foundation heat-exchanger rig, including the heat exchanger tube and fin into U-shaped, heat exchanger tube has two parallel straight lengths, fin is set in that two straight lengths are outer and length direction along straight length is distributed with multiple, and fin includes lamellar body and multiple upwardly extended from the outward flange of lamellar body forms and along the circumferentially uniform sticking part in the arc-shaped of lamellar body；Also include the multiple thermally conductive sheet in the arc-shaped set and multiple inner peripheral surfaces being set with fin one-to-one corresponding, for compressing sticking part of being corresponded with sticking part so that the outer peripheral face of sticking part is adjacent to the hold-down mechanism of corresponding thermally conductive sheet, hold-down mechanism includes the support member being set in outside two straight lengths and the annular air-pocket being set in outside support member, pass through aperture is provided with the center of support member, annular air-pocket is connected with one end of a tracheae, and the other end of tracheae is extend into through hole.The pile foundation heat-exchanger rig of the present invention, on the premise of higher heat exchange efficiency is kept, has convertibility.
Description
Technical field
The present invention relates to geothermal energy technology field, more particularly, to a kind of replaceable pile foundation heat-exchanger rig.
Background technology
Ground source heat pump technology is the metastable characteristic of soil, surface water, ground water temperature using underground, in summer by room
Interior waste heat is transferred in low level heat energy, the heat in low level heat energy is transferred in winter the place for needing heat supply or heating,
Reach the purpose of cooling or refrigeration.Ground source heat pump technology saves more than 70% energy and 40%~60% than conventional boiler technology
Operating cost；In refrigeration, for terrestrial heat pump technology than common air-conditioning energy-conservation 40%~50%, operating cost reduces by more than 40%.
Energy stake is economic, efficient, the energy-conservation that a kind of energy piles form ground source heat pump technology is combined with traditional pile foundation
The new technology of emission reduction.By burying variously-shaped heat-exchanger rig in pile foundation, the conversion of shallow-layer low temperature geothermal energy is carried out, full
The heat exchange with superficial-layer geothermal energy can also be realized while sufficient ordinary pile foundation mechanics function by pile body, plays pile foundation and earth source heat pump
Preexisting hole directly lays the double action of buried tube heat exchanger.
In order to ensure higher heat exchange efficiency, it is all embedded to apply the variously-shaped heat-exchanger rig in pile foundation at present
In concrete, heat exchanger tube can not be overhauled, safeguards and recycled, and when heat exchanger tube breakage, can also be increased in pile foundation
The risk that reinforcing bar is corroded, so as to influence bearing capacity of pile foundation and durability.
The content of the invention
In view of this, it is an object of the present invention to provide a kind of pile foundation heat-exchanger rig, it is made before higher heat exchange efficiency is kept
Put, there is convertibility.
To achieve these goals, the present invention realizes by the following technical solutions：A kind of replaceable pile foundation heat exchange
Device, including heat exchanger tube and fin into U-shaped, the heat exchanger tube have two parallel straight lengths, and the fin is set in two institutes
State that straight length is outer and length direction along the straight length is distributed with multiple, the fin includes lamellar body and multiple from described
The outward flange of body, which upwardly extends, to be formed and along the circumferentially uniform sticking part in the arc-shaped of the lamellar body；Also include multiple and institute
State sticking part correspond the thermally conductive sheet in the arc-shaped that sets and it is multiple correspond with the fin setting, for compressing
The inner peripheral surface of the sticking part is so that the outer peripheral face of the sticking part is adjacent to the hold-down mechanism of the corresponding thermally conductive sheet, the pressure
Tight mechanism includes the support member being set in outside two straight lengths and the annular air-pocket being set in outside the support member, the support
Pass through aperture is provided with the center of part, the annular air-pocket is connected with one end of a tracheae, and the other end of the tracheae is extend into
In the through hole.
Further, a up-small and down-big frustum is upwardly extended at the center of the support member, is gone back on the support member
Be provided with one make the other end of the tracheae by and the through hole that extend into the through hole, the through hole passes through described
Frustum and the through hole are taper and the frustum identical bellmouth, and the upper end of the frustum on each support member can
With the lower end for the through hole being inserted on another support member and form sealing cooperation；Positioned at a support member of bottom
On the lower end of the through hole sealed by a sealing-plug, the frustum and one on a support member of the top connect
Adapter is wholely set.
Further, the outer peripheral face of the support member is provided with a groove for being used to fix the annular air-pocket.
Further, the lower end of multiple thermally conductive sheets and a retainer ring integrally connected, the outer peripheral face of the thermally conductive sheet with
The outer peripheral face of the retainer ring is located in same curved surface.
Further, the fin is also included from the adapter sleeve portion into kidney-shaped that the inward flange extension of the lamellar body forms,
The adapter sleeve portion is enclosed on outside two straight lengths, and the bottom of two straight lengths is respectively fixed with an interstage sleeve.
Further, there are four sticking parts on each fin.
Beneficial effects of the present invention：A kind of replaceable pile foundation heat-exchanger rig of the present invention, keeping higher heat exchange efficiency
On the premise of, there is convertibility, overhauled, safeguarded and recycled so as to exchange heat pipe, reduce heat exchanger tube and break
The risk that reinforcing bar is corroded in pile foundation during damage, reduce the influence to bearing capacity of pile foundation and durability.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is A-A in Fig. 1 to sectional view；
Fig. 3 is structural representation when heat exchanger tube fits together with fin.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
In this application, unless otherwise clearly defined and limited, term " affixed ", " fixation ", " connection " should do broad sense
Understand, for example, it may be fixedly connected or be detachably connected, or integrally；Can be mechanically connect or
Electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection or two of two element internals
The interaction relationship of individual element.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in the present invention.
As Figure 1-3, a kind of replaceable pile foundation heat-exchanger rig, including heat exchanger tube 10 and fin 20 into U-shaped, it is described
Heat exchanger tube 10 has a two parallel straight lengths 11, and it is outer and along the straight length that the fin 20 is set in two straight lengths 11
11 length direction is distributed with multiple, and the spacing between two adjacent fins 20 is equal.The fin 20 include lamellar body 21 and it is multiple from
The outward flange of the lamellar body 21, which upwardly extends, to be formed and along the circumferential uniform sticking part 22 in the arc-shaped of the lamellar body 21, piece
Body 21 is a planar structure, and the place plane of lamellar body 21 has four on preferably each fin 20 perpendicular to the axis of straight length 11
The sticking part 22.Corresponded present invention additionally comprises four with the sticking part 22 thermally conductive sheet 30 in the arc-shaped that sets and
It is multiple to correspond inner peripheral surfaces set, for compressing the sticking part 22 with the fin 20 so that the sticking part 22
Outer peripheral face is adjacent to the hold-down mechanism 40 of the corresponding thermally conductive sheet 30, diameter and the heat conduction of the outer peripheral face of the sticking part 22
The diameter of the inner peripheral surface of piece 30 is equal.The hold-down mechanism 40 includes the support member 41 being set in outside two straight lengths 11 and set
The annular air-pocket 42 being located at outside the support member 41, pass through aperture 412, the annular gas are provided with the center of the support member 41
Capsule 42 is connected with one end of a tracheae 43, and the other end of the tracheae 43 is extend into the through hole 412.All tracheaes 43 are most
It can pass through out of through hole 412 on a support member 41 of the top, and be connected with an inlet manifold eventually.This hair
The bright top end cover 50 also passed through including a straight length 11 that can make heat exchanger tube 10 and tracheae 43 or inlet manifold, top
The diameter of end cap 50 is identical with the diameter of the outer peripheral face of thermally conductive sheet 30.
Operation principle：When the replaceable pile foundation heat-exchanger rig of the present invention is applied in pile foundation 60, first in pile foundation
Remain for inserting the preformed hole 61 of thermally conductive sheet 30, the diameter of preformed hole 61 and the diameter phase of the outer peripheral face of thermally conductive sheet 30 in plinth 60 in advance
Together, the outer peripheral face of such thermally conductive sheet 30 possesses the premise fully contacted with the inwall of preformed hole 61.Then by into the heat exchanger tube of U-shaped
10 and fin 20 thereon and hold-down mechanism 40 be put into together in preformed hole 61, and surrounded, be put into by four pieces of thermally conductive sheets 30
It should ensure that each sticking part 22 on fin 20 is directed at a thermally conductive sheet 30 in journey, to after the bottom hole of preformed hole 61, by entering
Gas house steward, tracheae 43 are inflated into each annular air-pocket 42, and the obstruction that the inner side of annular air-pocket 42 is supported part 41 can not be swollen
It is swollen, therefore the outside of annular air-pocket 42 outwards expands, so as to which the sticking part 22 on fin 20 be pressed together with thermally conductive sheet 30,
The outer peripheral face of sticking part 22 contacts well with the inner peripheral surface of thermally conductive sheet 30, so as on the one hand ensure that heat in the He of sticking part 22
Effective transmission between thermally conductive sheet 30, extruding of the another aspect annular air-pocket 42 to sticking part 22 can also cause the outer of thermally conductive sheet 30
Formed between side face and the hole wall of preformed hole 61 and contacted well, so as to avoid the outer of the hole wall of preformed hole 61 and thermally conductive sheet 30
The loose contact caused by the factors such as coefficient of expansion difference, installation and mismachining tolerance between side face.Finally cover top end cover 50
Afterwards, the straight length 11 of heat exchanger tube 10 is connected with other pipelines in heat-exchange system, the inlet end of inlet manifold is closed
Heat-exchanger rig is allowed to carry out normal work.When needing to change heat exchanger tube 10, top end cover 50 is removed, by the gas in annular air-pocket 42
Body is released, and heat exchanger tube 10 is finally pulled out from preformed hole 61.
As the further improvement of such scheme, a up-small and down-big cone is upwardly extended at the center of the support member 41
Platform 411, be also provided with the support member 41 one make the other end of the tracheae 43 by and extend into the through hole 412
Interior through hole 413, the through hole 412 are taper and the phase of frustum 411 by the frustum 411 and the through hole 412
With bellmouth, what the upper end of the frustum 411 on each support member 41 was inserted on another support member 41 described passes through
The lower end of perforation 412 simultaneously forms sealing cooperation；The lower end of the through hole 412 on a support member 41 of bottom
Sealed by a sealing-plug 44, the frustum 411 on a support member 41 of the top is integrally set with a connecting tube 45
Put, be connected by connecting tube 45 with inlet manifold.Pass through above-mentioned setting, it is only necessary to by the frustum 411 on a support member 41
Upper end is inserted into the lower end of the through hole 412 on another support member 41 above it, now in another support member 41
Through hole 413 is located at the top of the upper surface of the frustum 411 of a support member 41, in addition, the other end of tracheae 43 is outer
Sealing, so after sealing-plug 44 beyond the Great Wall, passing through in all support members 41 are kept between wall and the inwall of corresponding through hole 413
The connection of perforation 412 connects into the space of a sealing and the space with each annular air-pocket 42, so as to not have to all tracheaes 43
All through the through hole 412 on a support member 41 topmost, can just be connected with inlet manifold so that overall structure is simpler
It is single, it is more convenient to use.
As the further improvement of such scheme, the outer peripheral face of the support member 41 is provided with one and is used to fix the annular gas
The groove 414 of capsule 42, set groove 414 that annular air-pocket 42 will not be slided up and down along the outer peripheral face of support member 41, ensure
The inner peripheral surface for the sticking part 22 that annular air-pocket 42 is aligned on fin 20 after expanding simultaneously is compressed.
As the further improvement of such scheme, lower end and the integrally connected of a retainer ring 31 of four thermally conductive sheets 30,
The outer peripheral face of the outer peripheral face of the thermally conductive sheet 30 and the retainer ring 31 is located in same curved surface, i.e. the outer peripheral face of thermally conductive sheet 30
Diameter is equal with the diameter of the outer peripheral face of retainer ring 31.Set retainer ring 31 that the position between four thermally conductive sheets 30 is fixed,
The position between four thermally conductive sheets 30 of adjustment is not had in installation process, using more convenient.
As the further improvement of such scheme, the fin 20 also includes forming from the inward flange extension of the lamellar body 21
The adapter sleeve portion 23 into kidney-shaped, the adapter sleeve portion 23 is enclosed on outside two straight lengths 11, the bottom of two straight lengths 11
An interstage sleeve 12 is respectively fixed with, interstage sleeve 12 is used to prevent adapter sleeve portion 23 from the lower end of the straight length 11 of heat exchanger tube 10 to downslide
Fall and depart from straight length 11.Adapter sleeve portion 23 is enclosed on outside straight length 11, is contacted with straight length 11, but is not fixedly connected, so
It is easy to assemble, and after 10 breakage of heat exchanger tube, fin 20 and hold-down mechanism 40 can be removed, is reused.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Which point therefore, no matter from the point of view of, all should incite somebody to action
Embodiment regards exemplary as, and be it is nonrestrictive, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of replaceable pile foundation heat-exchanger rig, including heat exchanger tube and fin into U-shaped, the heat exchanger tube is parallel with two
Straight length, it is characterised in that：The fin is set in outside two straight lengths and is distributed with along the length direction of the straight length
Multiple, the fin includes lamellar body and multiple outward flanges from the lamellar body and upwardly extended to form and circumferentially equal along the lamellar body
The sticking part in the arc-shaped of cloth；Also include multiple thermally conductive sheets in the arc-shaped for setting and more of corresponding with the sticking part
It is individual to correspond inner peripheral surface set, for compressing the sticking part so that the outer peripheral face of the sticking part pastes with the fin
The hold-down mechanism of the thermally conductive sheet corresponding to tight, the hold-down mechanism include the support member and set being set in outside two straight lengths
The annular air-pocket being located at outside the support member, pass through aperture, the annular air-pocket and a gas are provided with the center of the support member
One end connection of pipe, the other end of the tracheae are extend into the through hole.
2. replaceable pile foundation heat-exchanger rig according to claim 1, it is characterised in that：At the center of the support member to
On be extended with a up-small and down-big frustum, be also provided with the support member one make the other end of the tracheae by and stretch into
To the through hole in the through hole, the through hole is that taper is identical with the frustum by the frustum and the through hole
Bellmouth, the upper end of the frustum on each support member is inserted under the through hole on another support member
Hold and form sealing and coordinate；The lower end of the through hole on a support member of bottom is sealed by a sealing-plug,
The frustum on a support member of the top is wholely set with a connecting tube.
3. replaceable pile foundation heat-exchanger rig according to claim 2, it is characterised in that：The outer peripheral face of the support member is opened
There is a groove for being used to fix the annular air-pocket.
4. replaceable pile foundation heat-exchanger rig according to claim 3, it is characterised in that：The lower end of multiple thermally conductive sheets
With a retainer ring integrally connected, the outer peripheral face of the thermally conductive sheet and the outer peripheral face of the retainer ring are located in same curved surface.
5. replaceable pile foundation heat-exchanger rig according to claim 4, it is characterised in that：The fin is also included from described
The adapter sleeve portion into kidney-shaped that the inward flange extension of lamellar body forms, the adapter sleeve portion is enclosed on outside two straight lengths, described in two
The bottom of straight length is respectively fixed with an interstage sleeve.
6. replaceable pile foundation heat-exchanger rig according to claim 5, it is characterised in that：There are four institutes on each fin
State sticking part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711125329.0A CN107763895B (en) | 2017-11-14 | 2017-11-14 | A kind of replaceable pile foundation heat-exchanger rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711125329.0A CN107763895B (en) | 2017-11-14 | 2017-11-14 | A kind of replaceable pile foundation heat-exchanger rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107763895A true CN107763895A (en) | 2018-03-06 |
| CN107763895B CN107763895B (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711125329.0A Active CN107763895B (en) | 2017-11-14 | 2017-11-14 | A kind of replaceable pile foundation heat-exchanger rig |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2436751Y (en) * | 2000-07-14 | 2001-06-27 | 樊运平 | Sealing device for underground chamber of direct buried hot supply pipeline |
| US20070023164A1 (en) * | 2005-03-09 | 2007-02-01 | Kidwell John E | Coaxial-flow heat transfer structures for use in diverse applications |
| CN200964591Y (en) * | 2006-09-29 | 2007-10-24 | 杨晓峰 | Static pressure pipe pile shoe |
| CN205488815U (en) * | 2016-01-13 | 2016-08-17 | 河北安旭专用汽车有限公司 | Charging gun for new energy automobile |
-
2017
- 2017-11-14 CN CN201711125329.0A patent/CN107763895B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2436751Y (en) * | 2000-07-14 | 2001-06-27 | 樊运平 | Sealing device for underground chamber of direct buried hot supply pipeline |
| US20070023164A1 (en) * | 2005-03-09 | 2007-02-01 | Kidwell John E | Coaxial-flow heat transfer structures for use in diverse applications |
| CN200964591Y (en) * | 2006-09-29 | 2007-10-24 | 杨晓峰 | Static pressure pipe pile shoe |
| CN205488815U (en) * | 2016-01-13 | 2016-08-17 | 河北安旭专用汽车有限公司 | Charging gun for new energy automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107763895B (en) | 2019-09-24 |
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