CN204125933U - With the prefabricated reinforced concrete pile tube of the two semicircle W of earth source heat pump needle recuperator in parallel - Google Patents
With the prefabricated reinforced concrete pile tube of the two semicircle W of earth source heat pump needle recuperator in parallel Download PDFInfo
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- CN204125933U CN204125933U CN201420618931.3U CN201420618931U CN204125933U CN 204125933 U CN204125933 U CN 204125933U CN 201420618931 U CN201420618931 U CN 201420618931U CN 204125933 U CN204125933 U CN 204125933U
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 239000004567 concrete Substances 0.000 claims abstract description 17
- 230000008676 import Effects 0.000 claims abstract description 9
- 239000002689 soil Substances 0.000 claims description 10
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 230000001012 protector Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 31
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- 238000013461 design Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
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- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- 210000003127 knee Anatomy 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
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- 230000010534 mechanism of action Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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- 230000010412 perfusion Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- 239000002918 waste heat Substances 0.000 description 1
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- 238000003911 water pollution Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a kind of prefabricated reinforced concrete pile tube with the two semicircle W of earth source heat pump needle recuperator in parallel, comprise two semicircle W needle recuperator in parallel, reinforcing cage, supporting elbow, metal coating sleeve, concrete, heat exchanger fluid import, heat exchanger fluid outlet and exchange media, two semicircle W needle recuperator in parallel is banded with inside described reinforcing cage, exchange media is provided with in two semicircle W needle recuperator in parallel, and lay along pile tube total length, described reinforcing cage and two semicircle W needle recuperator in parallel are all cast in concrete the tube wall forming prefabricated reinforced concrete pile tube.The utility model to carry out in the process of tube pile construction the two semicircle W of colligation inside reinforcing cage needle recuperator in parallel in factory, after concreting completes, couple semicircle W needle recuperator in parallel is coated in concrete tube wall, pile tube, as the carrier of two semicircle W needle recuperator in parallel, can realize pile foundation construction and earth source heat pump preexisting hole buries the construction integrated object of tubular exchanger underground.
Description
Technical field
The utility model relates to a kind ofly buries pile foundation construction and earth source heat pump preexisting hole underground tubular exchanger construction integrated technology, is specifically related to the prefabricated reinforced concrete pre stressed empty piped piles with the two semicircle W of earth source heat pump needle recuperator in parallel in a kind of tube wall.
Background technology
Current known prefabricated reinforced concrete pile for prestressed pipe refers to the prestressed high-strength concrete pile (code name PHC), prestressed concrete pipe pile (code name PC), the thin tubular piles produced by prestressed concrete (code name PTC) that are made by pre-tensioning system technique in factory.The aspect such as size, mechanical property, detailing requiments, design, production, construction, examination of different prefabricated reinforced concrete pile tubes all should meet the requirement of the countries such as " prestressed concrete pipe pile " (atlas 03SG409), " technical code for building pile foundation " (JGJ94-2008), " Code for design of building " (GB5007-2011), " Code for design of concrete structures " (GB5010-2010) and industry related specifications.
The energy and environmental problem have caused world's extensive concern, and geothermal energy progressively substitutes traditional energy because its environmental friendliness characteristic passes through ground source heat pump technology in building and heating and refrigeration.Under earth's surface, the geothermal energy temperature of certain depth remains unchanged throughout the year, summer lower than outside temperature winter higher than outside temperature, earth source heat pump summer by exchange media by the transfer of heat that produces in building in soil, winter by exchange media by the transfer of heat in soil to indoor thus reach the object (Xia Caichu of refrigeration and heating, Cao Shiding, Wang Wei. the concept of energy underground construction, application and foregroud prospect [J]. the underground space and engineering journal, 2009-6,5 (3): 419-424), its operating principle as shown in Figure 1.
Present stage, the pipe laying mode of earth source heat pump was mainly divided into horizontal coiled pipe and perpendicularly buried pipe, and horizontal coiled pipe buried depth is more shallow, easy construction, but it is comparatively large to take up room, and it is poor that system affects larger fluctuation of service heat transfer effect by surface temperature; Though perpendicularly buried pipe overcome horizontal coiled pipe a part of shortcoming because of its boring costly, construction complicated (more than rush, Pan Linyou, Liu Songyu etc. the mechanism of action of interchange of heat stake and application [J] thereof. rock mechanics, 2009-4,30 (4): 933-948) also endure to the fullest extent always and denounce, become the major obstacles in ground source heat pump technology road for development.
Pile foundation is the base form that building is comparatively commonly used, its diameter from 0.5m to 2.0m not etc., reach even hundred meters, tens of rice, if can using the carrier of building pile foundation as earth source heat pump tubular exchanger, just pile foundation construction and earth source heat pump preexisting hole can be made to bury the construction integrated of tubular exchanger underground, thus save the complicated construction process that earth source heat pump tubular exchanger is buried in boring underground, reduce earth source heat pump construction period and initial investment.Domestic and international existing integrated construction is mostly based on castinplace pile, need pile foundation construction on-the-spot by the tubular exchanger colligation of various shape on the reinforcing cage of castinplace pile, difficulty of construction is larger, accuracy is difficult to ensure especially, and tubular exchanger easy squeeze and destroy when concrete perfusion, also may hinder transferring of grouting pipe, thus affect efficiency of construction.In addition domestic existing open invention is called " prestressing force concrete pipe pile for low-temperature geothermal energy conversion ", and its application number is (200610016544.2) publication number is (1800510).It is actually the tubular exchanger of transferring various shape after prefabricated tubular pile construction in pile tube pipe orifice, filling backfilling material between pile tube hole wall and heat exchanger, only the construction technology of pile tube avoids the problem such as necking down, collapse hole of holing and occurring, do not bury the problem of tubular exchanger complicated construction technique underground from solving in fact to hole, heat exchange efficiency is also by the impact of backfilling material heat conductivility in addition.
Utility model content
The purpose of this utility model is to change present stage ground source heat pump technology boring costly, the unfavorable present situation that the construction of castinplace pile tubular exchanger is complicated, promote promoting the use of of ground source heat pump technology, a kind of prefabricated reinforced concrete pile tube with the two semicircle W of earth source heat pump needle recuperator in parallel is provided, bury pile foundation construction and earth source heat pump preexisting hole underground tubular exchanger construction integrated, pile foundation has the function of carrying out ground hot-cast socket on the basis of tradition carrying effect.
The technical solution adopted in the utility model is: a kind of prefabricated reinforced concrete pile tube with the two semicircle W of earth source heat pump needle recuperator in parallel, and this pile tube is arranged in soil layer, and exchange pipeline by earth's surface, earth source heat pump unit is connected with building;
The described prefabricated reinforced concrete pile tube with the two semicircle W of earth source heat pump needle recuperator in parallel comprises two semicircle W needle recuperator in parallel, reinforcing cage, supporting elbow, metal coating sleeve, concrete, heat exchanger fluid import, heat exchanger fluid outlet and exchange media, two semicircle W needle recuperator in parallel is banded with inside described reinforcing cage, exchange media is provided with in two semicircle W needle recuperator in parallel, and lay along pile tube total length, described reinforcing cage and two semicircle W needle recuperator in parallel are all cast in concrete the tube wall forming prefabricated reinforced concrete pile tube, two semicircle W needle recuperator top in parallel is respectively equipped with heat exchanger fluid import and heat exchanger fluid outlet, heat exchanger fluid import and heat exchanger fluid outlet by supporting elbow apart from 0.5m place, stake top from pile tube lateral bend to pile tube tube wall, metal protection protector cylinder is provided with outside described supporting elbow, 0.1m at the bottom of distance stake bottom two semicircle W needle recuperator in parallel.
As preferably, described pair of semicircle W needle recuperator in parallel is high density polyethylene (HDPE) (HDPE) material, and caliber is determined according to pile tube wall thickness.
As preferably, when needing segmentation to produce when the stake of prefabricated reinforced concrete Pipe pile design is long, constructing, the described prefabricated reinforced concrete pile tube with the two semicircle W of earth source heat pump needle recuperator in parallel is divided into epimere stake, stage casing stake and hypomere stake;
Two semicircle W in described epimere stake needle recuperator in parallel is apart from 0.5m place at the bottom of stake vertically downward;
Two semicircle W in the stake of described stage casing needle recuperator in parallel at distance 0.5m place, stake top vertically upward, and metal coating sleeve is laid in this segment length, metal coating sleeve is concordant with stake top, two semicircle W needle recuperator top in parallel is lower than metal coating sleeve, and with semicircle W two in epimere stake needle recuperator in parallel vertically downward part heat melt and be connected, in the stake of stage casing, 0.5m place is vertically downward at the bottom of distance stake for two semicircle W needle recuperator in parallel;
Two semicircle W in described hypomere stake needle recuperator in parallel at distance 0.5m place, stake top vertically upward; and metal coating sleeve is laid in this segment length; metal coating sleeve is concordant with stake top; two semicircle W needle recuperator top in parallel lower than metal coating sleeve, and with semicircle W two in epimere stake needle recuperator in parallel vertically downward part heat melt and be connected.
The aspect such as design, production, construction, examination of the prefabricated reinforced concrete pile tube that the utility model adopts all should meet the requirement of the countries such as " prestressed concrete pipe pile " (atlas 03SG409), " technical code for building pile foundation " (JGJ94-2008), " Code for design of building " (GB5007-2011), " Code for design of concrete structures " (GB5010-2010) and industry related specifications.
Two semicircle W needle recuperator spacing in parallel in pile tube can be regulated according to the needs of actual heating load, two semicircle W needle recuperator in parallel is coated in concrete, underground is sunk to pile tube by various construction method, two semicircle W needle recuperator in parallel exchanges pipeline with earth's surface, water pump is connected, filling exchange media in pipeline, form the closed cycle system of ground-source heat pump ground thermal energy exchange, reach the object of geothermal energy conversion.
The beneficial effects of the utility model: prefabricated reinforced concrete pile tube, as the carrier of two semicircle W needle recuperator in parallel, the basis playing traditional carrying effect can be carried out the conversion of geothermal energy.Lay two semicircle W needle recuperator in parallel in the pipe wall, the equivalent efficacy that tubular exchanger is buried in boring underground can be played, but save correlative charges and the time of drilling construction, and the temperature effect that interchange of heat produces is within the working range of steel concrete, the load-carrying properties of pile foundation are affected within controlled range.
The two semicircle W laid in the utility model pile tube needle recuperator in parallel is all arranged on reinforcing cage in factory, compare at the two semicircle W of castinplace pile pile foundation job site colligation needle recuperator in parallel, construction quality and precision more can be guaranteed, two semicircle W needle recuperator in parallel is fixing in the pipe wall, pile tube can normal construction, only adopt when pile extension the heat mode of melting to connect the heat exchanger exit of adjacent two pile cutofves simultaneously, effectively can improve efficiency of construction, reduce the duration.
The utility model technology belongs to closed earth source heat pump exchange system, water pollutions and water resource waste problem that a large amount of groundwater abstraction of open system causes can be solved, secondly bury pile foundation construction and earth source heat pump preexisting hole underground tubular exchanger construction integrated, solve closed earth-source hot-pump system boring pipe laying and to construct the problems such as complicated expense height.Prefabricated reinforced concrete pile tube is applied comparatively extensive at home, if this technology can be promoted the use of, will promote the development of ground source heat pump technology further, and the country comparatively short to the such energy of China, its economic benefit and environmental benefit are self-evident.
Accompanying drawing explanation
Fig. 1 is earth source heat pump schematic diagram of the present utility model;
Fig. 2 is the prefabricated reinforced concrete pile tube constructional drawing with the two semicircle W of earth source heat pump needle recuperator in parallel;
Fig. 3 is the prefabricated reinforced concrete pile tube sectional view with the two semicircle W of earth source heat pump needle recuperator in parallel;
Fig. 4 is the supporting elbow configuration figure of two semicircle W needle recuperator in parallel;
Fig. 5 is the prefabricated reinforced concrete pile tube epimere stake constructional drawing with the two semicircle W of earth source heat pump needle recuperator in parallel;
Fig. 6 is the prefabricated reinforced concrete pile tube stage casing stake constructional drawing with the two semicircle W of earth source heat pump needle recuperator in parallel;
Fig. 7 is the prefabricated reinforced concrete pile tube hypomere stake constructional drawing with the two semicircle W of earth source heat pump needle recuperator in parallel.
In figure: 1. with the prefabricated reinforced concrete pile tube of the two semicircle W of earth source heat pump needle recuperator in parallel, 2. couple semicircle W needle recuperator, 3. soil layer in parallel; 4. earth's surface exchanges pipeline; 5. earth source heat pump unit, 6. building, 7. reinforcing cage; 8. supporting elbow; 9 metal coating sleeve, 10. concrete, 11. heat exchanger fluid imports; 12. heat exchanger fluid outlets, 13 exchange medias.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
In FIG, heat in soil layer 3 takes out with the exchange media in the two semicircle W needle recuperator 2 in parallel in the prefabricated reinforced concrete pile tube 1 of the two semicircle W of earth source heat pump needle recuperator in parallel by being filled in by winter, is supplied to building 6 heating through earth's surface exchange pipeline 4 and earth source heat pump unit 5; Waste heat in building 6 takes out by summer, exchanges pipeline 4, earth source heat pump unit 5 and be filled in be discharged in soil layer 3 with the exchange media in the two semicircle W parallel connection needle recuperators in the prefabricated reinforced concrete pile tube 1 of the two semicircle W of earth source heat pump needle recuperator in parallel to go by earth's surface.
Fig. 2, 3, the 4 whole prefabricated reinforced concrete pile tubes 1 with the two semicircle W of earth source heat pump needle recuperator in parallel being depicted as reinforcing cage 7, in prefabrication process inside reinforcing cage 7 the two semicircle W of the earth source heat pump of colligation HDPE material needle recuperator 2 in parallel, caliber is determined according to pile tube wall thickness, two semicircle W needle recuperator 2 in parallel is laid along stake total length substantially, two semicircle W needle recuperator 2 in parallel by supporting elbow 8 at distance 0.5m place, stake top from stake lateral bend to tube wall, knee arranges corresponding bending metals protection sleeve 9, 0.1m at the bottom of distance stake bottom two semicircle W needle recuperator 2 in parallel.Concrete 10 has been built rear couple of semicircle W shape heat exchange 2 in parallel and has been fixed in pile body, two semicircle W needle recuperator 2 in parallel sinks to soil layer 3 with pile tube 1, exchange media flows into from two semicircle W needle recuperator 2 heat exchanger fluid in parallel import 11 and flows out from two semicircle W needle recuperator 2 heat exchanger fluid outlet 12 in parallel, realizes the exchange heat of exchange media 13 and reinforcing cage 7, concrete 10, soil layer 3.
Figure 5 shows that the epimere of the prefabricated reinforced concrete pile tube 1 with the two semicircle W of earth source heat pump needle recuperator in parallel, in prefabrication process inside reinforcing cage 7 the two semicircle W of the earth source heat pump of colligation HDPE material needle recuperator 2 in parallel, caliber is determined according to pile tube wall thickness, two semicircle W needle recuperator 2 in parallel is laid along pile cutoff total length substantially, heat exchanger by supporting elbow 8 apart from 0.5m place, stake top from stake lateral bend to tube wall, knee arranges corresponding bending metals protection sleeve 9, two semicircle W needle recuperator 2 in parallel exports 0.5m place vertically downward under distance, melt technology with two semicircle W needle recuperator 2 in parallel outlet vertically upward in the stake of stage casing by heat to be connected.
Figure 6 shows that the stage casing of the prefabricated reinforced concrete pile tube 1 with the two semicircle W of earth source heat pump needle recuperator in parallel, in prefabrication process inside reinforcing cage the two semicircle W of the earth source heat pump of colligation HDPE material needle recuperator 2 in parallel, caliber is determined according to pile tube wall thickness, two semicircle W needle recuperator 2 in parallel is laid along pile cutoff total length completely, two semicircle W needle recuperator 2 in parallel at distance upper outlet 0.5m place vertically upward, and metal coating sleeve 9 is laid in this segment length, metal coating sleeve 9 is concordant with stake top, two semicircle W needle recuperator 2 in parallel exports a little less than metal coating sleeve 9, melt technology by heat to be connected with two semicircle W needle recuperator 2 in parallel outlet vertically downward in epimere stake.In the stake of stage casing, two semicircle W needle recuperator 2 in parallel exports 0.5m place vertically downward under distance, melts technology be connected with two semicircle W needle recuperator 2 in parallel outlet vertically upward in hypomere stake by heat.
Figure 7 shows that the hypomere of the prefabricated reinforced concrete pile tube 1 with the two semicircle W of earth source heat pump needle recuperator in parallel, in prefabrication process inside reinforcing cage the two semicircle W of the earth source heat pump of colligation HDPE material needle recuperator 2 in parallel, caliber is determined according to pile tube wall thickness, two semicircle W needle recuperator 2 in parallel is apart from 0.1m at the bottom of stake, two semicircle W needle recuperator in parallel at distance upper outlet 0.5m place vertically upward, and metal coating sleeve 9 is laid in this segment length, metal coating sleeve 9 is concordant with stake top, two semicircle W needle recuperator outlet in parallel is a little less than metal coating sleeve, melt technology by heat to be connected with two semicircle W needle recuperator 2 in parallel outlet vertically downward in epimere stake.Exchange media flows into from two semicircle W needle recuperator 2 fluid inlet 11 in parallel and flows out from two semicircle W needle recuperator 2 fluid issuing 12 in parallel, realizes the exchange heat of exchange media 13 and reinforcing cage 7, concrete 10, soil layer 3.
It should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.The all available prior art of each ingredient not clear and definite in the present embodiment is realized.
Claims (3)
1., with a prefabricated reinforced concrete pile tube for the two semicircle W of earth source heat pump needle recuperator in parallel, it is characterized in that: this pile tube is arranged in soil layer, and exchange pipeline by earth's surface, earth source heat pump unit is connected with building;
The described prefabricated reinforced concrete pile tube with the two semicircle W of earth source heat pump needle recuperator in parallel comprises two semicircle W needle recuperator in parallel, reinforcing cage, supporting elbow, metal coating sleeve, concrete, heat exchanger fluid import, heat exchanger fluid outlet and exchange media, two semicircle W needle recuperator in parallel is banded with inside described reinforcing cage, exchange media is provided with in two semicircle W needle recuperator in parallel, and lay along pile tube total length, described reinforcing cage and two semicircle W needle recuperator in parallel are all cast in concrete the tube wall forming prefabricated reinforced concrete pile tube, two semicircle W needle recuperator top in parallel is respectively equipped with heat exchanger fluid import and heat exchanger fluid outlet, heat exchanger fluid import and heat exchanger fluid outlet by supporting elbow apart from 0.5m place, stake top from pile tube lateral bend to pile tube tube wall, metal protection protector cylinder is provided with outside described supporting elbow, 0.1m at the bottom of distance stake bottom two semicircle W needle recuperator in parallel.
2. the prefabricated reinforced concrete pile tube with the two semicircle W of earth source heat pump needle recuperator in parallel according to claim 1, is characterized in that: described pair of semicircle W needle recuperator in parallel is high density polyethylene (HDPE) material.
3. the prefabricated reinforced concrete pile tube with the two semicircle W of earth source heat pump needle recuperator in parallel according to claim 1, is characterized in that: the described prefabricated reinforced concrete pile tube with the two semicircle W of earth source heat pump needle recuperator in parallel is divided into epimere stake, stage casing stake and hypomere stake;
Two semicircle W in described epimere stake needle recuperator in parallel is apart from 0.5m place at the bottom of stake vertically downward;
Two semicircle W in the stake of described stage casing needle recuperator in parallel at distance 0.5m place, stake top vertically upward, and metal coating sleeve is laid in this segment length, metal coating sleeve is concordant with stake top, two semicircle W needle recuperator top in parallel is lower than metal coating sleeve, and with semicircle W two in epimere stake needle recuperator in parallel vertically downward part heat melt and be connected, in the stake of stage casing, 0.5m place is vertically downward at the bottom of distance stake for two semicircle W needle recuperator in parallel;
Two semicircle W in described hypomere stake needle recuperator in parallel at distance 0.5m place, stake top vertically upward; and metal coating sleeve is laid in this segment length; metal coating sleeve is concordant with stake top; two semicircle W needle recuperator top in parallel lower than metal coating sleeve, and with semicircle W two in epimere stake needle recuperator in parallel vertically downward part heat melt and be connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420618931.3U CN204125933U (en) | 2014-10-23 | 2014-10-23 | With the prefabricated reinforced concrete pile tube of the two semicircle W of earth source heat pump needle recuperator in parallel |
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| CN201420618931.3U CN204125933U (en) | 2014-10-23 | 2014-10-23 | With the prefabricated reinforced concrete pile tube of the two semicircle W of earth source heat pump needle recuperator in parallel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278669A (en) * | 2014-10-23 | 2015-01-14 | 南京工业大学 | Prefabricated reinforced concrete pipe pile with double-semicircle W-shaped parallel heat exchanger for ground source heat pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278669A (en) * | 2014-10-23 | 2015-01-14 | 南京工业大学 | Prefabricated reinforced concrete pipe pile with double-semicircle W-shaped parallel heat exchanger for ground source heat pump |
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Granted publication date: 20150128 Termination date: 20171023 |