CN206768807U - A kind of heat-exchange system based on deep layer pipe laying and energy pile - Google Patents
A kind of heat-exchange system based on deep layer pipe laying and energy pile Download PDFInfo
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- CN206768807U CN206768807U CN201720463928.2U CN201720463928U CN206768807U CN 206768807 U CN206768807 U CN 206768807U CN 201720463928 U CN201720463928 U CN 201720463928U CN 206768807 U CN206768807 U CN 206768807U
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- energy pile
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Abstract
A kind of heat-exchange system based on deep layer pipe laying and energy pile is the utility model is related to, including energy pile, attachment means and the deep layer pipe laying set gradually from top to bottom；Energy pile includes energy pile heat exchanger tube, pile foundation steel bar cage and cement concrete；Energy pile heat exchanger tube is arranged on the inside of pile foundation steel bar cage；Cement concrete is filled inside energy pile；Energy pile heat exchanger tube includes inlet pipe and outlet pipe；Deep layer pipe laying includes the backfill material of ground burying heat exchange tube and filling inside deep layer pipe laying；Ground burying heat exchange tube is integrally U-shaped；The inlet pipe and outlet pipe of energy pile heat exchanger tube are connected by attachment means with ground burying heat exchange tube respectively.The utility model overcomes the shortcomings that traditional the buried pipe ground-source heat pump system occupancy underground space and energy pile are embedding shallow and heat exchange amount is limited, improves underground heat clean energy resource utilization rate.
Description
Technical field
The utility model belongs to technical field of resource utilization, is related to a kind of heat-exchange system, more particularly to one kind can improve ground
The heat-exchange system based on deep layer pipe laying and energy pile of thermal cleaning energy utilization rate.
Background technology
With the fast development of human society, the consumption of the energy is also increasing, and the present energy resource structure of China still with
Based on coal, coal belongs to non-renewable energy resources, and can cause serious pollution during burning to environment, therefore develops
The new energy is imperative.Geothermal energy resources can substantially reduce architectural energy consumption, utilize development as a kind of clean reproducible energy
Space is big.Traditional buried pipe ground-source heat pump system is to drill into heat exchange well heat exchanger tube being embedded in heat exchange well using trepan
In, then backfilled, form ground heat exchanger, its shortcoming is to take the underground space, it is necessary to additionally drill, drilling expense compared with
Height, advantage are embedding depths, and heat exchange efficiency is high；Energy pile technology is that heat exchanger tube is embedded in pile foundation, and both form an entirety
As heat exchanger, which offers a saving extra drilling expense, its shortcoming is embedding shallow, and heat exchange amount is little, by ground surface environment temperature
Degree has a great influence.Therefore utility model one kind can be by both the advantages of, combines, while supplies institute the shortcomings that by them
The device or system of formation are most important.
Utility model content
In order to solve above-mentioned technical problem present in background technology, the utility model overcomes traditional underground pipe ground source heat
Pumping system takes the underground space and energy pile is embedding shallow and the shortcomings that heat exchange amount is limited, and then provides one kind and can improve underground heat
The heat-exchange system based on deep layer pipe laying and energy pile of clean energy resource utilization rate.
To achieve these goals, the utility model adopts the following technical scheme that：
A kind of heat-exchange system based on deep layer pipe laying and energy pile, it is characterised in that：It is described to be based on deep layer pipe laying and the energy
The heat-exchange system of stake includes energy pile, attachment means and the deep layer pipe laying set gradually from top to bottom；The energy pile includes
Energy pile heat exchanger tube, pile foundation steel bar cage and cement concrete；The energy pile heat exchanger tube is arranged on the inside of pile foundation steel bar cage；Institute
Cement concrete is stated to fill inside energy pile；The energy pile heat exchanger tube includes inlet pipe and outlet pipe；The deep layer pipe laying bag
Include the backfill material of ground burying heat exchange tube and filling inside deep layer pipe laying；The ground burying heat exchange tube is integrally U-shaped；The energy pile
The inlet pipe and outlet pipe of heat exchanger tube are connected by attachment means with ground burying heat exchange tube respectively.
Preferably, attachment means include bellows used by the utility model；The inlet pipe of the energy pile heat exchanger tube
And outlet pipe is connected by bellows with ground burying heat exchange tube respectively.
Preferably, attachment means also include being sleeved on the rubber ring outside bellows used by the utility model.
Preferably, bellows is HDPE bellowss used by the utility model.
Preferably, energy pile heat exchanger tube and ground burying heat exchange tube are HDPE heat exchanger tubes used by the utility model.
Preferably, deep layer pipe laying is perpendicularly buried pipe or inclined boreholes used by the utility model.
The utility model has the advantages that：
The utility model provides a kind of heat-exchange system based on deep layer pipe laying and energy pile, and the heat-exchange system is included from upper
Energy pile, attachment means and the deep layer pipe laying set gradually under and；Energy pile include energy pile heat exchanger tube, pile foundation steel bar cage with
And cement concrete；Energy pile heat exchanger tube is arranged on the inside of pile foundation steel bar cage；Cement concrete is filled inside energy pile；The energy
Stake heat exchanger tube includes inlet pipe and outlet pipe；Deep layer pipe laying includes the backfill of ground burying heat exchange tube and filling inside deep layer pipe laying
Material；Ground burying heat exchange tube is integrally U-shaped；The inlet pipe and outlet pipe of energy pile heat exchanger tube pass through attachment means and ground burying heat exchange tube respectively
It is connected.Wherein bellows can effectively connect energy pile and the heat exchanger tube in deep layer pipe laying, and can be effectively protected deep layer
Heat exchanger tube in pipe laying will not settle because of the energy pile on top or rise and be broken；Used rubber ring can be effective
Bellows is protected, does not allow concrete and backfill material to harden bellows and block lines, so that bellows can not effectively be drawn
Stretch and compress.The combined type heat-exchanger rig system that energy pile disclosed in the utility model is combined with deep layer pipe laying, by energy pile
With a kind of combined type heat-exchanger rig system that traditional drilling underground pipe mode is combined.This combined type heat-exchanger rig is by energy pile
It is combined together with the advantages of underground pipe, while also just will be mutually supplied the shortcomings that them, has accomplished two kinds of heat-exchanger rigs
Excellent scarce complementation, greatly improves heat exchange efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the heat-exchange system provided by the utility model based on deep layer pipe laying and energy pile；
Fig. 2 be the utility model used by attachment means structural representation；
Fig. 3 be the utility model used by attachment means mplifying structure schematic diagram；
Fig. 4 is the structural representation of two sections of U-tubes in the utility model；
Fig. 5 is another example structure of the heat-exchange system provided by the utility model based on deep layer pipe laying and energy pile
Schematic diagram；
Reference：
1- energy pile heat exchanger tubes；2- pile foundation steel bar cages；3- cement concretes；4- energy piles；5- bellowss；6- rubber rings；
7- ground burying heat exchange tubes；8- backfill material；9- deep layer pipe layings.
Embodiment
Referring to Fig. 1, the utility model provides a kind of heat-exchange system based on deep layer pipe laying and energy pile, should be based on deep layer
Pipe laying and the heat-exchange system of energy pile include energy pile 4, attachment means and the deep layer pipe laying 9 set gradually from top to bottom；Energy
Source stake 4 includes energy pile heat exchanger tube 1, pile foundation steel bar cage 2 and cement concrete 3；Energy pile heat exchanger tube 1 is arranged on pile foundation reinforcing bar
The inner side of cage 2；Cement concrete 3 is filled inside energy pile 4；Energy pile heat exchanger tube 1 includes inlet pipe and outlet pipe；Deep layer pipe laying 9
Including the backfill material 8 ground burying heat exchange tube 7 and filling inside deep layer pipe laying 9；Ground burying heat exchange tube 7 is overall U-shaped；Energy pile is changed
The inlet pipe and outlet pipe of heat pipe 1 are connected by attachment means with ground burying heat exchange tube 7 respectively.
Referring to Fig. 2 and Fig. 3, attachment means include bellows 5 and are sleeved on bellows 5 used by the utility model
Outside rubber ring 6；The inlet pipe and outlet pipe of energy pile heat exchanger tube 1 are connected by bellows 5 with ground burying heat exchange tube 7 respectively；
Bellows 5 is HDPE bellowss.
Energy pile heat exchanger tube 1 and buried heat exchange tube 7 are HDPE heat exchanger tubes.
Referring to Fig. 1 and Fig. 5, underground pipe 9 is perpendicularly buried pipe or inclined boreholes used by the utility model.
Technical scheme provided by the utility model is described in further detail with reference to embodiment：
Instance data：Pile foundation is cast-in-situ bored pile, stake footpath 1000mm, stake long 22m, cement concrete C30, and underground pipe changes
The long 60m of hot well, a diameter of 150mm of heat exchange well, underground pipe backfill material be bentonite, cement and steel fibre configure by a certain percentage and
Into heat exchanger tube diameter 30mm.
1) place cleaning, setting-out, casing is buried.
2) heat exchanger tube (HDPE) is stretched using drawing high machine, then using the full-automatic fuse machines of DHJA-160 by each section of HDPE
It is welding together while pipe is by U-tube pattern both sides symmetrical expression.
3) when U-tube is welded to 59m, the long HDPE bellowss weldings of 2m are got on using hot-melt welding machine, in ripple
Pipe other end then continues to welding HDPE pipes, until the length of side of U-tube two is 82m (L1), referring to Fig. 4.
4) rubber ring 6 (rubber ring both ends are overlapped on HDPE pipes) on set and then at the bellows 5, with fuse machine by rubber
Circle welding carries out sealing protection on HDPE pipes, prevents that backfill from expecting and bellows is directly hardened or blocked line by cement concrete
Road, it is impossible to allow it freely to stretch or compress.
5) individually unilateral a length of 22m U-tube (L2) is being gone out with HDPE pipe weldings in addition, by this U-tube colligation in steel
The side of muscle cage.
6) by the U heat exchange of connect two different lengths, water-filling in pipe, and the plus-pressure table on gas port, use
Not less than 12Kgf/cm2Pressure pressure testing, it is ensured that pipeline stands intact.
7) pipeline leak detection.Answering bubble-free to emerge in the encroached water of U-tube bottom；Or junction is applied to suds, carefully
Bubble-free is answered in inspection.Voltage stabilizing at least 15 points of kinds, after voltage stabilizing pressure drop not should be greater than 3%, and without leakage phenomenon.After leak detection,
Cut gas head.
8) SR-250 rotary drilling rigs are in place, using mud off mode pore-forming, stop rotary digging after downward rotary digging 22m, then
Change SR-250 rotary drilling rigs into DZ-200 type multifunctional drills, the hollow bushing that external diameter is 160mm put into suitable pile top,
Using the mode similar to vibrator pipe sinking cast-in-place pile, after sleeve pipe is beaten downwards into 82m depths, stop continuing immersed tube.
9) U-tube made (L1) is put into hollow bushing, the underground pipe made is backfilled into material pressure after putting well fills
Enter in hollow pipe, slowly extract sleeve pipe when filling, until backfill material is filled to grout pile bottom, extract immersed tube.
10) steel reinforcement cage is not tied up and is placed on hollow bushing side under one side of heat exchanger tube, under put steel reinforcement cage well and be fixed on L1
On steel reinforcement cage, two U-tubes are being welding together with a HDPE pipe, are then checking again for air-tightness.
11) concrete perfusion, until shaping.
Claims (6)
- A kind of 1. heat-exchange system based on deep layer pipe laying and energy pile, it is characterised in that：It is described to be based on deep layer pipe laying and energy pile Heat-exchange system include the energy pile that sets gradually from top to bottom（4）, attachment means and deep layer pipe laying（9）；The energy pile （4）Including energy pile heat exchanger tube（1）, pile foundation steel bar cage（2）And cement concrete（3）；The energy pile heat exchanger tube（1）Set In pile foundation steel bar cage（2）Inner side；The cement concrete（3）Fill in energy pile（4）It is internal；The energy pile heat exchanger tube（1） Including inlet pipe and outlet pipe；The deep layer pipe laying（9）Including ground burying heat exchange tube（7）And filling is in deep layer pipe laying（9）Internal Backfill material（8）；The ground burying heat exchange tube（7）It is overall U-shaped；The energy pile heat exchanger tube（1）Inlet pipe and outlet pipe lead to respectively Cross attachment means and ground burying heat exchange tube（7）It is connected.
- 2. the heat-exchange system according to claim 1 based on deep layer pipe laying and energy pile, it is characterised in that：The connection dress Put including bellows（5）；The energy pile heat exchanger tube（1）Inlet pipe and outlet pipe pass through bellows respectively（5）With buried heat exchange Pipe（7）It is connected.
- 3. the heat-exchange system according to claim 2 based on deep layer pipe laying and energy pile, it is characterised in that：The connection dress Putting also includes being sleeved on bellows（5）Outside rubber ring（6）.
- 4. the heat-exchange system according to claim 3 based on deep layer pipe laying and energy pile, it is characterised in that：The bellows （5）It is HDPE bellowss.
- 5. the heat-exchange system based on deep layer pipe laying and energy pile according to claim 1 or 2 or 3 or 4, it is characterised in that： The energy pile heat exchanger tube（1）And ground burying heat exchange tube（7）It is HDPE heat exchanger tubes.
- 6. the heat-exchange system according to claim 5 based on deep layer pipe laying and energy pile, it is characterised in that：The deep layer is buried Pipe（9）It is perpendicularly buried pipe or inclined boreholes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463928.2U CN206768807U (en) | 2017-04-28 | 2017-04-28 | A kind of heat-exchange system based on deep layer pipe laying and energy pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463928.2U CN206768807U (en) | 2017-04-28 | 2017-04-28 | A kind of heat-exchange system based on deep layer pipe laying and energy pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206768807U true CN206768807U (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720463928.2U Expired - Fee Related CN206768807U (en) | 2017-04-28 | 2017-04-28 | A kind of heat-exchange system based on deep layer pipe laying and energy pile |
Country Status (1)
| Country | Link |
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| CN (1) | CN206768807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447749A (en) * | 2017-04-28 | 2017-12-08 | 湖北工业大学 | A kind of heat-exchange system and construction technology based on deep layer pipe laying and energy pile |
| CN108150217A (en) * | 2017-12-29 | 2018-06-12 | 湖南中大经纬地热开发科技有限公司 | Structure is backfilled based on the pit that ground can be developed |
-
2017
- 2017-04-28 CN CN201720463928.2U patent/CN206768807U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447749A (en) * | 2017-04-28 | 2017-12-08 | 湖北工业大学 | A kind of heat-exchange system and construction technology based on deep layer pipe laying and energy pile |
| CN107447749B (en) * | 2017-04-28 | 2023-04-07 | 湖北工业大学 | Heat exchange system based on deep buried pipe and energy pile and construction process |
| CN108150217A (en) * | 2017-12-29 | 2018-06-12 | 湖南中大经纬地热开发科技有限公司 | Structure is backfilled based on the pit that ground can be developed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20210428 |