CN218179282U - Shallow geothermal energy heat exchange well structure based on non-excavation drilling method - Google Patents
Shallow geothermal energy heat exchange well structure based on non-excavation drilling method Download PDFInfo
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- CN218179282U CN218179282U CN202222307597.7U CN202222307597U CN218179282U CN 218179282 U CN218179282 U CN 218179282U CN 202222307597 U CN202222307597 U CN 202222307597U CN 218179282 U CN218179282 U CN 218179282U
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- heat exchange
- heat transfer
- geothermal energy
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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 shallow geothermal energy heat exchange well structure based on non-excavation drilling method, relates to the technical field of heat exchange well, including the heat exchange stratum, the heat exchange well section has been seted up to the inboard of heat exchange stratum, the medial surface of heat exchange well section is provided with the heat exchange pipeline, the one end that the heat exchange well section is located the heat exchange stratum is set up as the circulating water entry; the utility model provides a heat transfer well section is the directional technique of passing through of non-excavation, implement the long distance level of the underground 80m degree of depth at the target area and creep into, the reaming, lay engineering such as heat transfer pipeline, thereby realize the high efficiency heat transfer of shallow geothermal energy, improve the heat transfer volume and the discharge of single well, reduce shallow geothermal energy development and utilization combined cost, the vibrations that heat transfer high pressure water pump during operation produced under damper's effect are changed for elastic potential energy when being stretched by damping spring, alleviate vibrations, the normal function of the high pressure water pump of heat transfer is influenced in the vibrations of having avoided the high frequency, make its work more stable.
Description
Technical Field
The utility model relates to a heat transfer well technical field especially relates to a shallow geothermal energy heat transfer well structure based on non-excavation drilling method.
Background
The shallow geothermal energy resource has the advantages of wide distribution, large reserve, rapid regeneration, early development and utilization history, mature technology and the like, and is always the main field of the development and utilization of geothermal energy resources. At present, a lot of projects are utilized for exploiting shallow geothermal energy resources, and at present, the projects are mainly acquired and applied through a ground source heat pump technology, china does a lot of work on the aspect of exploiting and utilizing the shallow geothermal energy resources, attempts are made on various types of shallow geothermal energy exploitation technologies, including common single U and double U, simultaneously, the advanced experience of Rototec in Sweden is learned on the aspects of ground source heat pumps, detection equipment, system integration and the like, and a ground source heat pump test software technology is introduced;
the shallow geothermal energy development and utilization usually adopt a large number of shallow vertical wells as heat exchange wells, but the vertical wells have lower heat exchange capability and large construction amount, so the construction cost is high and the economic benefit is poor. The horizontal well has the characteristics of less construction amount and high heat exchange efficiency, but the shallow layer deflecting difficulty of the common drilling process is high, and the shallow long-distance horizontal drilling cannot be realized;
therefore, a shallow geothermal energy heat exchange well structure based on a trenchless drilling method needs to be designed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a shallow geothermal energy heat exchange well structure based on a non-excavation drilling method.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a shallow geothermal energy heat transfer well structure based on non-excavation drilling method, includes the heat transfer stratum, the heat transfer well section has been seted up to the inboard of heat transfer stratum, the medial surface of heat transfer well section is provided with heat transfer pipeline, the one end that the heat transfer well section is located the heat transfer stratum sets up to the circulating water entry, the other end that the heat transfer well section is located the heat transfer stratum sets up to the circulating water export, the top surface pipe connection that the heat transfer stratum is located the circulating water entry end has the install bin, the medial surface of install bin has the mounting panel through spout and slider sliding connection, the top surface of mounting panel is provided with heat transfer high pressure water pump, all be provided with damper between four angles in the bottom surface of mounting panel and the interior bottom surface of install bin.
Preferably, damper includes the connecting plate, connecting plate fixed connection is in the bottom surface of mounting panel, the install bin is located the medial surface fixedly connected with backup pad under the connecting plate, the mounting groove has all been seted up with four angles in the bottom surface of connecting plate to the top surface of backup pad, the medial surface of four mounting grooves of backup pad top surface all rotates and is connected with down the shock attenuation board, the medial surface of four mounting grooves of connecting plate bottom surface all rotates and is connected with the shock attenuation board, go up the shock attenuation board and rotate through the connecting axle between the shock attenuation board down and be connected four all be provided with damping spring between the surface central point of adjacent two puts in the connecting axle.
Preferably, the end of the joint of the upper damping plate and the lower damping plate is provided with a limiting rod.
Preferably, one end of the heat exchange high-pressure water pump is in through connection with the end part of the heat exchange pipeline.
Preferably, the side surface of the mounting plate is attached to the inner side surface of the mounting box, and the side surface of the mounting box is connected with a radiating fan in a penetrating manner.
Preferably, the horizontal well section in the heat exchange well section is 80m below the top surface of the heat exchange stratum.
The utility model discloses following beneficial effect has:
1. by arranging the heat exchange well section and the heat exchange pipeline, the heat exchange well section adopts a non-excavation directional penetration technology, and projects such as long-distance horizontal drilling, hole expanding and heat exchange pipeline laying are carried out at the depth of 80m underground in a target area, so that high-efficiency heat exchange of shallow geothermal energy is realized, the heat exchange quantity and water flow of a single well are improved, and the comprehensive cost of development and utilization of shallow geothermal energy is reduced;
2. through setting up heat transfer high pressure water pump and damper, the vibrations that heat transfer high pressure water pump during operation produced are changed for elastic potential energy when damping spring is tensile under damper's effect, will shake and alleviate, and the normal function of the high pressure water pump of heat transfer is influenced in the vibrations of having avoided the high frequency, makes its work more stable.
Drawings
Fig. 1 is a schematic structural diagram of a main body of a shallow geothermal energy heat exchange well structure based on a trenchless drilling method according to the present invention;
fig. 2 is an elevational sectional structural schematic diagram of a heat exchange stratum of a shallow geothermal energy heat exchange well structure based on a trenchless drilling method according to the present invention;
fig. 3 is a schematic diagram of an internal structure of an installation box of a shallow geothermal energy heat exchange well structure based on a trenchless drilling method according to the present invention;
fig. 4 is a schematic structural diagram of a damping mechanism of a shallow geothermal energy heat exchange well structure based on a trenchless drilling method according to the present invention;
in the figure: 1 heat transfer stratum, 2 heat transfer well sections, 3 heat transfer pipeline, 4 circulating water inlets, 5 circulating water outlets, 6 install bins, 7 mounting panels, 8 heat transfer high pressure water pump, 9 damper, 91 connecting plate, 92 backup pad, 93 mounting grooves, 94 go up the shock attenuation board, 95 lower shock attenuation board, 96 connecting axles, 97 damping spring, 10 radiator fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a shallow geothermal energy heat exchange well structure based on a non-excavation drilling method comprises a heat exchange stratum 1, a heat exchange well section 2 is arranged on the inner side of the heat exchange stratum 1, a horizontal well section in the heat exchange well section 2 is positioned 80m below the top surface of the heat exchange stratum 1, a heat exchange pipeline 3 is arranged on the inner side surface of the heat exchange well section 2, one end of the heat exchange well section 2 positioned on the heat exchange stratum 1 is provided with a circulating water inlet 4, the other end of the heat exchange well section 2 positioned on the heat exchange stratum 1 is provided with a circulating water outlet 5, the heat exchange well section 2 adopts a non-excavation directional penetration technology, projects such as long-distance horizontal drilling, hole expansion, heat exchange pipeline 3 laying and the like are carried out at the depth of 80m underground in a target area, so that high-efficiency heat exchange of the shallow geothermal energy is realized, the heat exchange quantity and the water flow of a single well are improved, the comprehensive cost of development and utilization of the shallow geothermal energy is reduced, a top surface pipeline positioned on the end of the heat exchange stratum 1 positioned on the circulating water inlet 4 is connected with an installation box 6, the inner side surface of the installation box 6 is connected with an installation plate 7 through a sliding groove and a sliding block in a sliding manner, the side surface of the installation plate 7 is attached to the inner side surface of the installation box 6, the top surface of the installation plate 7 is provided with a heat exchange high-pressure water pump 8, one end of the heat exchange high-pressure water pump 8 is communicated and connected with the end part of the heat exchange pipeline 3, damping mechanisms 9 are respectively arranged between four corners of the bottom surface of the installation plate 7 and the inner bottom surface of the installation box 6, each damping mechanism 9 comprises a connecting plate 91, the connecting plate 91 is fixedly connected to the bottom surface of the installation plate 7, the inner side surface of the installation box 6, which is positioned right below the connecting plate 91, is fixedly connected with a support plate 92, the top surface of the support plate 92 and four corners of the bottom surface of the connecting plate 91 are respectively provided with an installation groove 93, the inner side surfaces of the four installation grooves 93 on the top surface of the support plate 92 are respectively rotatably connected with lower damping plates 95, and the inner side surfaces of the four installation grooves 93 on the bottom surface of the connecting plate 91 are respectively rotatably connected with upper damping plates 94, go up and to shake between the board 94 and the lower shock attenuation board 95 and rotate through connecting axle 96 and be connected, all be provided with damping spring 97 between the surface central point of adjacent two in four connecting axles 96 puts, the tip of going up shock attenuation board 94 and lower shock attenuation board 95 junction is provided with the gag lever post, the vibrations that heat transfer high pressure water pump 8 during operation produced are changed for elastic potential energy when being stretched by damping spring 97 under damper 9's effect, will shake and alleviate, the normal function of the high pressure water pump 8 of vibrations influence heat transfer of having avoided the high frequency, make its work more stable, the side through connection of install bin 6 has radiator fan 10.
The utility model discloses a concrete theory of operation as follows:
the shallow geothermal energy heat exchange well is based on a non-excavation penetration technology, one section of the earth surface of a heat exchange stratum 1 is obliquely drilled in, horizontal drilling is started till about 80m underground, the stratum is drilled upwards after the designed length is reached, a long-distance horizontal drilling well is formed, after the penetration drilling is finished, the heat exchange pipeline 3 is reversely dragged into the well from a drilling point by utilizing the dragging capacity of a non-excavation drilling machine until the heat exchange pipeline 3 is pulled out from a drilling inlet, and the laying operation of the heat exchange pipeline 3 is finished;
when heat transfer pipeline 3 carries out the circulation heat transfer under heat transfer high pressure water pump 8's effect, heat transfer high pressure water pump 8 can produce high-frequency vibrations at the during operation, it can drive mounting panel 7 and carry out the vibrations of vertical direction at the medial surface of install bin 6 this moment, and can drive through connecting plate 91 and go up shock attenuation board 94 and rotate along connecting axle 96 with lower shock attenuation board 95, make the distance between four connecting axles 96 change, thereby realize damping spring 97's drawing, make the kinetic energy that vibrations produced convert elastic potential energy into, alleviate vibrations, the operation stability more of heat transfer high pressure water pump 8 has been guaranteed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a shallow geothermal energy heat transfer well structure based on non-excavation method of creeping into, includes heat transfer stratum (1), its characterized in that, heat transfer well section (2) have been seted up to the inboard of heat transfer stratum (1), the medial surface of heat transfer well section (2) is provided with heat transfer pipeline (3), the one end that heat transfer well section (2) are located heat transfer stratum (1) sets up to circulating water entry (4), the other end that heat transfer well section (2) are located heat transfer stratum (1) sets up to circulating water export (5), the top surface pipe connection that heat transfer stratum (1) are located circulating water entry (4) end has install bin (6), the medial surface of install bin (6) has install panel (7) through spout and slider sliding connection, the top surface of install panel (7) is provided with heat transfer high pressure water pump (8), all be provided with damper (9) between four angles in the bottom surface of install panel (7) and the interior bottom surface of install bin (6).
2. The shallow geothermal energy heat exchange well structure based on the trenchless drilling method as claimed in claim 1, wherein the damping mechanism (9) comprises a connecting plate (91), the connecting plate (91) is fixedly connected to the bottom surface of the mounting plate (7), a support plate (92) is fixedly connected to the inner side surface of the mounting box (6) located right below the connecting plate (91), mounting grooves (93) are formed in the top surface of the support plate (92) and four corners of the bottom surface of the connecting plate (91), lower damping plates (95) are rotatably connected to the inner side surfaces of the four mounting grooves (93) in the top surface of the support plate (92), upper damping plates (94) are rotatably connected to the inner side surfaces of the four mounting grooves (93) in the bottom surface of the connecting plate (91), the upper damping plates (94) are rotatably connected to the lower damping plates (95) through connecting shafts (96), and damping springs (97) are arranged between the center positions of the outer surfaces of two adjacent connecting shafts (96).
3. The shallow geothermal energy heat exchange well structure based on the trenchless drilling method as claimed in claim 2, wherein a limiting rod is arranged at the end of the joint of the upper damping plate (94) and the lower damping plate (95).
4. The shallow geothermal energy heat exchange well structure based on the trenchless drilling method as claimed in claim 1, wherein one end of the heat exchange high pressure water pump (8) is connected with the end of the heat exchange pipeline (3) in a penetrating way.
5. The shallow geothermal energy heat exchange well structure based on the trenchless drilling method as claimed in claim 1, wherein the side surface of the mounting plate (7) is attached to the inner side surface of the mounting box (6), and the side surface of the mounting box (6) is connected with a cooling fan (10) in a penetrating manner.
6. The shallow geothermal energy heat exchange well structure based on the trenchless drilling method as claimed in claim 1, wherein the horizontal well section in the heat exchange well section (2) is 80m below the top surface of the heat exchange stratum (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222307597.7U CN218179282U (en) | 2022-08-31 | 2022-08-31 | Shallow geothermal energy heat exchange well structure based on non-excavation drilling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222307597.7U CN218179282U (en) | 2022-08-31 | 2022-08-31 | Shallow geothermal energy heat exchange well structure based on non-excavation drilling method |
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| CN218179282U true CN218179282U (en) | 2022-12-30 |
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| CN202222307597.7U Active CN218179282U (en) | 2022-08-31 | 2022-08-31 | Shallow geothermal energy heat exchange well structure based on non-excavation drilling method |
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| CN (1) | CN218179282U (en) |
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2022
- 2022-08-31 CN CN202222307597.7U patent/CN218179282U/en active Active
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