CN210341889U - Prefabricated energy pile heat exchange tube joint - Google Patents
Prefabricated energy pile heat exchange tube joint Download PDFInfo
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- CN210341889U CN210341889U CN201921087770.9U CN201921087770U CN210341889U CN 210341889 U CN210341889 U CN 210341889U CN 201921087770 U CN201921087770 U CN 201921087770U CN 210341889 U CN210341889 U CN 210341889U
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- heat exchange
- exchange tube
- precast pile
- pile
- groove
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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
Abstract
The utility model discloses a prefabricated energy stake heat exchange tube connects mainly relates to prefabricated energy stake field. Including the precast pile, the precast pile junction is equipped with the ring flange, be equipped with screw, floor, tube hole, spread groove on the ring flange, be close to be equipped with the fixed slot on the floor of spread groove, be equipped with the heat exchange tube in the precast pile, the one end card that the heat exchange tube runs through the tube hole is gone into in the fixed slot. The beneficial effects of the utility model reside in that: through setting up fixed slot and spread groove for buried pipe all hides into the ring flange after connecting before connecting, avoids receiving external shock, prevents effectively that buried pipe is impaired.
Description
Technical Field
The utility model relates to a prefabricated energy stake field specifically is a prefabricated energy stake heat exchange tube connects.
Background
The ground source heat pump air conditioning system is a mature technology at present because energy conservation and environmental protection are greatly developed in China. When a building is built, the plastic heat exchange tube of the ground source heat pump system ground heat exchanger is directly embedded in a concrete pile foundation of the building to be combined with the building structure, so that the novel ground heat exchanger is a novel ground heat exchanger, namely a pile foundation buried tube geothermal heat exchanger, also called an energy pile. Compared with the traditional vertical pipe burying technical scheme, the energy pile has the advantages of short construction period, low cost, good heat transfer performance and the like.
The energy pile is mainly used at home and abroad in the following forms: the construction method comprises the following steps of filling piles, precast piles, steel piles and the like, wherein the pipe orifice of a buried pipe of the precast pile is easy to damage in transportation, and a welding point is not easy to arrange and is easy to damage after the buried pipe is subjected to thermal fusion welding, so that the whole ground source heat pump system is influenced, and the application of the precast energy pile is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prefabricated energy stake heat exchange tube connects, it has solved the easy impaired problem of prefabricated energy stake buried pipe, through setting up fixed slot and spread groove for the buried pipe all hides into the ring flange after connecting before connecting, avoids receiving external shock, prevents effectively that the buried pipe is impaired.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the utility model provides a prefabricated energy pile heat exchange tube connects, includes the precast pile, the precast pile junction is equipped with the ring flange, be equipped with screw, floor, tube hole, spread groove on the ring flange, be close to be equipped with the fixed slot on the floor of spread groove, be equipped with the heat exchange tube in the precast pile, the heat exchange tube runs through the one end card of tube hole and goes into in the fixed slot.
Furthermore, a clamping groove is formed in the fixing groove, and a supporting block is connected in the clamping groove in a sliding mode.
Furthermore, a sliding groove is arranged on the connecting groove, and a fixing block is inserted and pulled in the sliding groove.
Further, the flange plate is further provided with a threaded hole, a screw is connected to the threaded hole in an internal thread mode, and the screw fixes the fixing block.
Further, the connecting slot bottom is the arc, the external diameter is the same after the arc diameter is connected with the heat exchange tube heat, fixed block one side is equipped with the arc wall, the arc wall diameter is the same with heat exchange tube heat fusion back external diameter on the fixed block.
Furthermore, the precast pile comprises a top precast pile, a middle precast pile and a bottom precast pile.
Furthermore, the number of the heat exchange tubes is two, the heat exchange tubes are vertically arranged in the precast pile, and the two heat exchange tubes are connected in a U shape in the bottom precast pile.
Furthermore, the number of the heat exchange tubes is two, the heat exchange tubes are spirally arranged in the precast pile, and the two heat exchange tubes are communicated in the precast pile.
Furthermore, the number of the heat exchange tubes is four, the heat exchange tubes are vertically arranged in the precast pile, and the four heat exchange tubes are communicated in a double-U shape in the bottom precast pile.
Contrast prior art, the beneficial effects of the utility model reside in that:
the interface of the heat exchange tube of the existing prefabricated energy pile is exposed outside, and the interface is generally wound for protection after thermal welding and is easily damaged in the pile discharging process. The utility model discloses be provided with the fixed slot on the floor, in the fixed slot is gone into to heat exchange tube mouth of pipe card in the transportation, this just with the heat exchange tube hidden go into the ring flange in, with the effectual mouth of pipe that has protected the buried pipe of prior art contrast, played fine guard action to the heat exchange tube in the transportation, avoid the buried pipe impaired.
This application still is provided with the spread groove, directly goes into the spread groove with the heat exchange tube card when heat exchange tube hot melt is connected in, after hot melt connection operation is accomplished, the heat exchange tube is hidden completely and is gone into the ring flange, and at lower stake in-process, the protection heat exchange tube can not receive external shock to the effectual heat exchange tube that prevents is managed impaired. In the construction process, the length of the hot melting interface is fixed, and the heat exchange tube is vertically hidden into the flange plate after hot melting connection, so that the bending of the buried tube is reduced, the impact on the hot melting interface is reduced, and the service life of the heat exchange tube is effectively prolonged. The reduction of the bending of the heat exchange tube can also reduce the energy loss when the water in the underground tube flows, save energy and reduce consumption.
Drawings
Fig. 1 is a schematic diagram of the connected three-dimensional structure of the present invention.
Fig. 2 is a front view of the utility model after connection.
Fig. 3 is a schematic view of the connection structure of the precast pile of the present invention.
Fig. 4 is a schematic view of the structure of the fixing block of the present invention.
Reference numerals shown in the drawings:
1. prefabricating a pile; 2. a flange plate; 3. a screw hole; 4. a rib plate; 5. connecting grooves; 6. fixing grooves; 7. a heat exchange pipe; 8. a card slot; 9. a support block; 10. a chute; 11. a fixed block; 12. a screw; 13. an arc-shaped slot; 14. a bolt; 15. and (4) hot melting the interface.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
A prefabricated energy pile heat exchange tube connects, major structure includes precast pile 1, 1 junction of precast pile is equipped with ring flange 2, and when 1 connection of precast pile, ring flange 2 passes through bolt 14 fixedly. The flange plate 2 is provided with a screw hole 3, a rib plate 4, a pipe hole and a connecting groove 5, a bolt 14 is arranged in the screw hole 3, and the rib plate 4 strengthens the axial pressure-bearing capacity of the flange plate 2. Be close to be equipped with fixed slot 6 on the floor 4 of spread groove 5, be equipped with heat exchange tube 7 in the precast pile 1, heat exchange tube 7 runs through the one end card of tube hole and goes into in the fixed slot 6. During transportation, the heat exchange tube 7 is clamped into the fixing groove 6 and is hidden in the flange plate 2, so that the heat exchange tube 7 is protected; when the heat exchange tube 7 is in hot-melt connection, the heat exchange tube 7 is taken out for heating, the tube openings to be connected are connected, the heat exchange tube 7 is pushed into the connecting groove 5 in the process of connecting the two tube openings deeply, the cooled tube openings of the heat exchange tube 7 are clamped in the connecting groove 5, and the tube openings of the heat exchange tube 7 are completely hidden into the flange plate 2, so that the heat exchange tube 7 is prevented from being impacted by the precast pile 1 in the axial direction, and the heat exchange tube 7 is effectively protected.
The rib plate 4 is provided with the fixing groove 6, which can affect the axial bearing capacity of the flange plate 2 and ensure the bearing capacity of the flange plate 2. A clamping groove 8 is formed in the fixing groove 6, and a supporting block 9 is connected in the clamping groove 8 in a sliding mode. The supporting blocks 9 are arranged on the fixing grooves 6, so that the middle gaps of the rib plates 4 can be made up, and the axial pressure-bearing capacity of the rib plates 4 is enhanced. The clamping groove 8 can prevent the supporting block 9 from being separated from the fixing groove 6.
In order to more effectively fix and protect the heat exchange tube 7 after hot melting connection. The connecting groove 5 is provided with a sliding groove 10, and a fixing block 11 is inserted into and pulled out of the sliding groove 10. The fixing block 11 further fixes the heat exchange tube 7 to prevent the heat exchange tube 7 from being separated.
For better fixation of the fixation block 11. The flange plate 2 is further provided with a threaded hole, a screw 12 is connected to the threaded hole in an internal thread mode, and the fixed block 11 is fixed through the screw 12. After the fixed block 11 reaches the designated position, the fixed block 11 is fixed with the flange plate 2 by screwing the screw 12, the fixed block 11 can apply radial force to the hot melting interface 15 of the heat exchange tube 7, and the interface of the heat exchange tube 7 is prevented from being damaged when water flow pressure is too large.
In order to better fix the heat exchange pipe 7 and protect the heat exchange interface. The bottom of the connecting groove 5 is arc-shaped, the diameter of the arc is the same as the outer diameter of the heat exchange tube 7 after the heat connection, an arc-shaped groove 13 is arranged on one side of the fixed block 11, and the diameter of the arc-shaped groove 13 on the fixed block 11 is the same as the outer diameter of the heat exchange tube 7 after the heat connection.
Preferably, the precast pile 1 comprises a top precast pile 1, a middle precast pile 1 and a bottom precast pile 1. The top precast pile 1 is one, and is a precast pile 1 with the uppermost layer close to the ground; one or more middle precast piles 1 are arranged between the top precast pile 1 and the bottom precast pile 1; the bottom precast pile 1 is one precast pile 1 positioned at the lowermost layer.
Preferably, the number of the heat exchange tubes 7 is two, the heat exchange tubes 7 are vertically arranged in the precast pile 1, and the two heat exchange tubes 7 are connected in a U shape in the bottom precast pile 1. The heat exchange tubes 7 are arranged underground in a U-shape.
Preferably, the number of the heat exchange tubes 7 is two, the heat exchange tubes 7 are spirally arranged in the precast pile 1, and the two heat exchange tubes 7 are communicated in the precast pile 1. The heat exchange tubes 7 are spirally distributed underground.
Preferably, four heat exchange tubes 7 are arranged, the heat exchange tubes 7 are vertically arranged in the precast pile 1, and the four heat exchange tubes 7 are communicated in a double-U shape in the bottom precast pile 1. The heat exchange tubes 7 are arranged in a double U shape in the underground city.
Example (b): the utility model provides a prefabricated energy pile heat exchange tube connects, includes precast pile 1, precast pile 1 is including a precast pile 1, middle precast pile 1, end precast pile 1, ring flange 2 has been preset at a precast pile 1 both ends, ring flange 2 has been preset at middle precast pile 1 both ends, 1 top of end precast pile is fixed with ring flange 2, be equipped with screw 3, floor 4, tube hole, spread groove 5 on the ring flange 2, be equipped with bolt 14 on the screw 3, spread groove 5 is equipped with two, 5 bottoms of spread groove are the arc, arc axis and tube hole axis coincidence, be equipped with spout 10 on the 5 lateral walls of spread groove, sliding connection has fixed block 11 in spout 10, the one end that fixed block 11 is close to 5 bottoms of spread groove is equipped with arc wall 13, the diameter of arc and arc wall 13 is the same with heat fusion back external diameter of heat exchange tube 7. The flange plate 2 is provided with a screw 12, the screw 12 is screwed up and then extrudes the fixing block 11, and the fixing block 11 and the flange plate 2 are fixed. The first ribbed slab 4 on the right side of the connecting groove 5 is provided with a fixing groove 6, a clamping groove 8 is arranged on the fixing groove 6, and a supporting block 9 is connected in the clamping groove 8 in a sliding mode. Equal vertical two heat exchange tubes 7 that are equipped with in the precast pile 1, heat exchange tube 7 is the U type intercommunication in the precast pile 1 of end, heat exchange tube 7 runs through the tube hole, and in the transportation, heat exchange tube 7 runs through tube hole one end card and goes into in fixed slot 6.
The connection method comprises the following steps: after the prefabrication of the prefabricated energy pile is completed, the supporting block 9 is taken down, and the heat exchange tube 7 penetrates through the tube hole and is clamped into the fixing groove 6. When the heat exchange tube 7 is required to be connected, the fixing block 11 is firstly taken down, then the heat exchange tube 7 is heated from the fixing groove 6, the two heat exchange tube 7 pipe orifices are connected, the heat exchange tube 7 is pushed into the connecting groove 5 in the connecting process, after the pipe orifice connection is completed, the hot melting interface 15 is clamped in the connecting groove 5, the fixing block 11 is pushed into the extrusion hot melting interface 15, then the fixing block 11 is fixed through the screw 12, the supporting block 9 is pushed into the fixing groove 6, and the pile is continuously taken down. At the moment, the heat exchange tube 7 is hidden in the flange plate 2, the heat exchange tube 7 cannot be collided in the pile descending process, the heat exchange tube 7 is effectively protected, and the heat exchange tube 7 is prevented from being damaged.
Claims (9)
1. The utility model provides a prefabricated energy stake heat exchange tube connects which characterized in that: including precast pile (1), precast pile (1) junction is equipped with ring flange (2), be equipped with screw (3), floor (4), tube hole, spread groove (5) on ring flange (2), be close to be equipped with fixed slot (6) on floor (4) of spread groove (5), be equipped with heat exchange tube (7) in precast pile (1), the one end card that heat exchange tube (7) run through the tube hole is gone into in fixed slot (6).
2. The prefabricated energy pile heat exchange tube joint of claim 1, wherein: a clamping groove (8) is formed in the fixing groove (6), and a supporting block (9) is connected in the clamping groove (8) in a sliding mode.
3. The prefabricated energy pile heat exchange tube joint of claim 1, wherein: the connecting groove (5) is provided with a sliding groove (10), and a fixing block (11) is inserted into and pulled out of the sliding groove (10).
4. The prefabricated energy pile heat exchange tube joint of claim 3, wherein: the flange plate (2) is further provided with a threaded hole, the threaded hole is connected with a screw (12) in an internal thread mode, and the screw (12) fixes the fixing block (11).
5. The prefabricated energy pile heat exchange tube joint of claim 3, wherein: the bottom of the connecting groove (5) is arc-shaped, the outer diameter of the arc-shaped diameter is the same as that of the heat exchange tube (7) after the heat exchange tube is connected, an arc-shaped groove (13) is arranged on one side of the fixing block (11), and the diameter of the arc-shaped groove (13) on the fixing block (11) is the same as that of the heat exchange tube (7) after the heat exchange tube is connected in a hot melting mode.
6. The prefabricated energy pile heat exchange tube joint of claim 1, wherein: the precast pile (1) comprises a top precast pile (1), a middle precast pile (1) and a bottom precast pile (1).
7. The prefabricated energy pile heat exchange tube joint of claim 6, wherein: the heat exchange tubes (7) are arranged in two numbers, the heat exchange tubes (7) are vertically arranged in the precast pile (1), and the heat exchange tubes (7) are connected in a U shape in the bottom precast pile (1).
8. The prefabricated energy pile heat exchange tube joint of claim 6, wherein: the heat exchange tubes (7) are arranged in two numbers, the heat exchange tubes (7) are spirally arranged in the precast pile (1), and the two heat exchange tubes (7) are communicated in the precast pile (1).
9. The prefabricated energy pile heat exchange tube joint of claim 6, wherein: the heat exchange tubes (7) are four, the heat exchange tubes (7) are vertically arranged in the precast pile (1), and the four heat exchange tubes (7) are communicated in a double-U shape in the bottom precast pile (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921087770.9U CN210341889U (en) | 2019-07-11 | 2019-07-11 | Prefabricated energy pile heat exchange tube joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921087770.9U CN210341889U (en) | 2019-07-11 | 2019-07-11 | Prefabricated energy pile heat exchange tube joint |
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| Publication Number | Publication Date |
|---|---|
| CN210341889U true CN210341889U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921087770.9U Active CN210341889U (en) | 2019-07-11 | 2019-07-11 | Prefabricated energy pile heat exchange tube joint |
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| Country | Link |
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| CN (1) | CN210341889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023084125A1 (en) | 2021-11-15 | 2023-05-19 | Norwegian University Of Science And Technology (Ntnu) | Joints for pre-cast driven piles |
-
2019
- 2019-07-11 CN CN201921087770.9U patent/CN210341889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023084125A1 (en) | 2021-11-15 | 2023-05-19 | Norwegian University Of Science And Technology (Ntnu) | Joints for pre-cast driven piles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 250101 Building No. 1, 88 West conference West Road, hi tech Zone, Shandong, Ji'nan, 1-2824 Patentee after: Shandong fangya New Energy Group Co., Ltd Address before: 250101 building 1-2824, No. 88, Huizhan West Road, Lixia District, Jinan City, Shandong Province Patentee before: SHANDONG FANGYA GROUND SOURCE HEAT PUMP AIR CONDITIONING TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A prefabricated energy pile heat exchange pipe joint Effective date of registration: 20220328 Granted publication date: 20200417 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong fangya New Energy Group Co.,Ltd. Registration number: Y2022980003190 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |