CN218421389U

CN218421389U - Underground deep hole heat exchanger for geothermal well

Info

Publication number: CN218421389U
Application number: CN202222275820.4U
Authority: CN
Inventors: 王志杰
Original assignee: Tianjin Haojing Yuanquan Well Technology Development Co Ltd
Current assignee: Tianjin Haojing Yuanquan Well Technology Development Co Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-02-03
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a deep hole heat exchanger in geothermal well belongs to geothermal well heat utilization technical field, including excavation sleeve pipe body and filter screen, be provided with logical groove on the excavation sleeve pipe body, filter screen fixed mounting is on the inside wall that leads to the groove, this internal U type heat exchanger body in pit that is provided with of excavation sleeve pipe, the top of excavation sleeve pipe body is provided with the base, the equal fixed mounting in both sides of base bottom has the pneumatic cylinder, the bottom fixed mounting of pneumatic cylinder has the connecting rod, be provided with fixed subassembly on the lateral wall of connecting rod, the cover is equipped with the arc collar on the outside of excavation sleeve pipe body, the top of arc collar is provided with cleans the mechanism, the equal fixed mounting in both sides at arc collar top has the butt joint pole, the top fixed mounting of butt joint pole has the butt joint thread bush, when the pneumatic cylinder drives the connecting rod and descends, can drive the arc collar and clean the mechanism and descend, and clean the mechanism alright outside to the filter screen and clean, the cleaning effect has been improved.

Description

Underground deep hole heat exchanger for geothermal well

Technical Field

The utility model relates to a heat exchanger specifically is a deep hole heat exchanger in geothermal well belongs to geothermal well heat utilization technical field.

Background

The prior grant publication number (CN 109612323B) discloses a geothermal well deep-hole heat exchanger, which comprises a base, a moving mechanism, a cleaning mechanism, an exchange mechanism and a protection mechanism, wherein the moving mechanism is fixedly connected with the base; the cleaning mechanism comprises a sliding plate, a first hairbrush and a second hairbrush, the sliding plate is fixedly connected with the moving mechanism, the first hairbrush is fixedly connected with the sliding plate, and the second hairbrush is fixedly connected with the sliding plate; the exchange mechanism is connected with the first brush in a sliding manner; the protection mechanism is connected with the second brush in a sliding mode. According to the geothermal well deep hole heat exchanger, the exchange mechanism and the protection mechanism are cleaned through the first brush, the second brush and the third brush which are fixed on the sliding plate and comprise the cleaning mechanism, so that scale on the surface of the heat exchanger can be effectively removed, the heat exchange effect is guaranteed, and the water temperature inconvenience of a user in use is guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at just lies in order to solve above-mentioned but when clearing up the filter screen, only clears up the one side of filter screen, and the opposite side of filter screen can't be cleared up, has reduced the clearance effect and has provided a deep hole heat exchanger in pit.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a deep hole heat exchanger in geothermal pit, including excavation sleeve pipe body and filter screen, be provided with logical groove on the excavation sleeve pipe body, filter screen fixed mounting be in on the inside wall that leads to the groove, this internal U type heat exchanger body in pit that is provided with of excavation sleeve pipe, the top of excavation sleeve pipe body is provided with the base, the equal fixed mounting in both sides of base bottom has the pneumatic cylinder, the bottom fixed mounting of pneumatic cylinder has the connecting rod, be provided with fixed subassembly on the lateral wall of connecting rod, the cover is equipped with the arc collar on the outside of excavation sleeve pipe body, the top of arc collar is provided with cleans the mechanism, the equal fixed mounting in both sides at arc collar top has the butt joint pole, the top fixed mounting of butt joint pole has the butt joint thread bush.

Preferably, in order to connect the connecting member and the connecting rod, the fixing assembly includes a connecting member, an L-shaped supporting rod, a square plate, a fixing screw and an operating handle, and the connecting member is fixedly mounted on an outer side wall of the connecting rod.

Preferably, for the convenience of the installation of the square plate, the L-shaped supporting rod is fixedly installed at the top of the connecting piece, the square plate is fixedly installed at one end of the L-shaped supporting rod, and the square plate is provided with a threaded hole.

Preferably, in order to facilitate the rotation of the fixing screw rod, the fixing screw rod is screwed in the threaded hole, the operating handle is fixedly installed at the top of the fixing screw rod, and one end of the fixing screw rod is screwed in the butt-joint threaded sleeve.

Preferably, it is right in order that the arc installation circle carries on spacingly, the bottom fixed mounting of arc installation circle have the limiting plate through-hole on the limiting plate, spacing pin is worn to be equipped with by the through-hole, be provided with the cotter way on the excavation sleeve pipe body, spacing pin's one end is worn to establish in the cotter way.

Preferably, in order to make the movable plate can slide, the cleaning mechanism comprises a mounting box, a movable plate, a side block, a fitting spring, an arc-shaped bristle plate and cleaning bristles, the mounting box is fixedly mounted at the top of the arc-shaped mounting ring, and an inner cavity is formed in the mounting box.

Preferably, in order to enable the movable plate and the side block to reset, the movable plate penetrates through the inner cavity, the side block is fixedly installed on the outer side wall of the movable plate, and the attaching spring is fixedly installed on one side of the side block.

Preferably, in order to facilitate the use of the cleaning bristles, the arc-shaped bristle plate is fixedly installed at one end of the movable plate, and the cleaning bristles are fixedly installed at one side of the arc-shaped bristle plate.

The beneficial effects of the utility model are that:

the utility model discloses a be equipped with fixed subassembly, arc installation circle and clean the mechanism, when fixed subassembly is connected with the butt joint pole, alright fix the arc installation circle, and when the pneumatic cylinder drove butt joint pole and arc installation circle and descend, through cleaning the mechanism alright clear up the another side of filter screen the outside promptly, improved the clearance effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic top view of the arc-shaped mounting ring of the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Fig. 4 is a schematic structural view of the middle butt-joint rod of the present invention.

In the figure: 1. cutting a casing; 2. a filter screen; 3. a U-shaped downhole heat exchanger body; 4. a base; 5. a hydraulic cylinder; 6. a connecting rod; 7. an arc-shaped mounting ring; 8. a docking rod; 9. butting threaded sleeves; 10. a connecting member; 11. an L-shaped support bar; 12. a square plate; 13. fixing the screw rod; 14. an operating handle; 15. a limiting plate; 16. a limit pin; 17. mounting a box; 18. a movable plate; 19. a side block; 20. fitting a spring; 21. an arc-shaped bristle plate; 22. and cleaning the bristles.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-4, a geothermal downhole deep hole heat exchanger, which comprises a cutting casing 1 body and a filter screen 2, wherein a through groove is formed on the cutting casing 1 body, the filter screen 2 is fixedly mounted on the inner side wall of the through groove, a U-shaped downhole heat exchanger body 3 is arranged in the cutting casing 1 body, a base 4 is arranged at the top of the cutting casing 1 body, hydraulic cylinders 5 are fixedly mounted on both sides of the bottom of the base 4, a connecting rod 6 is fixedly mounted at the bottom of the hydraulic cylinder 5, the connecting rod 6 can be driven to descend by the hydraulic cylinders 5, a fixing component is arranged on the outer side wall of the connecting rod 6, an arc-shaped mounting ring 7 is sleeved on the outer side of the cutting casing 1 body, a cleaning mechanism is arranged at the top of the arc-shaped mounting ring 7, the cleaning mechanism can clean the outer side of the filter screen 2, butt-joint rods 8 are fixedly mounted on both sides of the tops of the arc-shaped mounting ring 7, and butt-joint thread sleeves 9 are fixedly mounted at the tops of the butt-joint rods 8.

As a technical optimization scheme, as shown in fig. 3, fixed subassembly includes connecting piece 10, L shape bracing piece 11, square board 12, clamping screw 13 and operation are 14, connecting piece 10 fixed mounting is on the lateral wall of connecting

rod

6, 11 fixed mounting are at the top of connecting piece 10 for L shape bracing piece, square board 12 fixed mounting is served at one of L shape bracing piece 11, be provided with the screw hole on the square board 12, clamping screw 13 closes in the screw hole soon, clamping screw 13 has made things convenient for clamping screw 13 to rotate through the screw hole, 14 fixed mounting is at clamping screw 13's top for the operation, clamping screw 13's one end closes in butt joint thread bush 9 soon, and when clamping screw 13 is connected with butt joint thread bush 9, alright L shape bracing piece 11 and butt joint rod 8 are even as an organic whole.

As a technical optimization scheme of the utility model, as shown in fig. 1, the bottom fixed mounting of arc installation circle 7 has through-hole on limiting plate 15, the limiting plate 15, and spacing pin 16 is worn to be equipped with by the through-hole, is provided with the cotter way on the excavation sleeve pipe 1 body, and the cotter way is worn to establish by spacing pin 16's one end, can carry out interim spacing to arc installation circle 7 through spacing pin 16.

As a technical optimization scheme, as shown in fig. 2, clean the mechanism and include mounting box 17, the fly leaf 18, side piece 19, laminating spring 20, arc brush hair board 21 and clean brush hair 22, mounting box 17 fixed mounting is at the top of arc collar 7, be provided with the inner chamber in the mounting box 17, fly leaf 18 wears to establish in the inner chamber, side piece 19 fixed mounting is on the lateral wall of fly leaf 18, laminating spring 20 fixed mounting is in one side of side piece 19, arc brush hair board 21 fixed mounting is served at one of fly leaf 18, clean one side of brush hair 22 fixed mounting at arc brush hair board 21, when user stimulates fly leaf 18, can make arc brush hair board 21 and clean brush hair 22 and remove to one side, but user's arc collar 7 embolias on cutting sleeve 1 this moment, when the user loosens fly leaf 18, under the effect of laminating spring 20, can make and clean 22 when laminating at filter screen 2, in order to conveniently clear up filter screen 2.

The utility model discloses when using, when installing arc installation circle 7, the user can embolia arc installation circle 7 from the bottom of cutting sleeve pipe 1 body, before arc installation circle 7 embolias, the user can make fly leaf 18 drive side block 19 and laminating spring 20 outside the pulling, consequently when arc installation circle 7 embolias on cutting sleeve pipe 1 body, under the pulling that resets of laminating spring 20, can make and clean filter screen 2 department of the inseparable laminating of brush hair 22 on cutting sleeve pipe 1 body, when arc installation circle 7 removes to beat the assigned position, the user can penetrate pin inslot with stop pin 16, come to carry on spacingly to arc installation circle 7, so that arc installation circle 7 is installed, user's accessible operation drives 14 and rotates clamping screw 13, in the butt joint thread bush 9 at clamping screw 13 spiral closure 8 top, alright link L shape bracing piece 11 and butt joint 8 as an organic wholely, thereby when pneumatic cylinder 5 drives connecting rod 6 and descends, can drive butt joint pole 8 and arc installation circle 7 and descend, thereby the arc brush hair 22 descends, thereby clean the butt joint thread bush 9 at the butt joint of butt joint pole 8 top, alright clear up the clearance 2 outside and carry out the clear away the another side of the filter screen and clear up, the filter screen 16 before the convenience of going on the filter screen, the decline, the user's convenience of going on the decline, the decline of the filter screen can carry out the decline, the decline of the use, the convenience of the use is reduced effect is 16.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A geothermal underground deep hole heat exchanger is characterized in that: including excavation sleeve pipe (1) body and filter screen (2), be provided with logical groove on excavation sleeve pipe (1) body, filter screen (2) fixed mounting be in on the inside wall that leads to the groove, this internal U type heat exchanger body (3) in pit that is provided with of excavation sleeve pipe (1), the top of excavation sleeve pipe (1) body is provided with base (4), the equal fixed mounting in both sides of base (4) bottom has pneumatic cylinder (5), the bottom fixed mounting of pneumatic cylinder (5) has connecting rod (6), be provided with fixed subassembly on the lateral wall of connecting rod (6), the cover is equipped with arc collar (7) on the outside of excavation sleeve pipe (1) body, the top of arc collar (7) is provided with cleans the mechanism, the equal fixed mounting in both sides at arc collar (7) top has butt joint pole (8), the top fixed mounting of butt joint pole (8) has butt joint thread bush (9).

2. A geothermal downhole deep-hole heat exchanger according to claim 1, wherein: the fixing component comprises a connecting piece (10), an L-shaped supporting rod (11), a square plate (12), a fixing screw rod (13) and an operating handle (14), and the connecting piece (10) is fixedly installed on the outer side wall of the connecting rod (6).

3. A geothermal downhole deep-hole heat exchanger according to claim 2, wherein: the L-shaped support rod (11) is fixedly arranged at the top of the connecting piece (10), the square plate (12) is fixedly arranged at one end of the L-shaped support rod (11), and the square plate (12) is provided with a threaded hole.

4. The geothermal downhole deep-hole heat exchanger of claim 3, wherein: the fixed screw (13) is screwed in the threaded hole, the operating handle (14) is fixedly arranged at the top of the fixed screw (13), and one end of the fixed screw (13) is screwed in the butt-joint threaded sleeve (9).

5. A geothermal downhole deep-hole heat exchanger according to claim 1, wherein: the bottom fixed mounting of arc installation circle (7) has limiting plate (15) through-hole on limiting plate (15), spacing pin (16) are worn to be equipped with by the through-hole, be provided with the cotter way on cutting sleeve pipe (1) body, the one end of spacing pin (16) is worn to establish the cotter way is interior.

6. A geothermal downhole deep-hole heat exchanger according to claim 1, wherein: clean the mechanism and include mounting box (17), fly leaf (18), side piece (19), laminating spring (20), arc brush hair board (21) and clean brush hair (22), mounting box (17) fixed mounting be in the top of arc collar (7), be provided with the inner chamber in mounting box (17).

7. The geothermal downhole deep-hole heat exchanger of claim 6, wherein: the movable plate (18) penetrates through the inner cavity, the side block (19) is fixedly installed on the outer side wall of the movable plate (18), and the attaching spring (20) is fixedly installed on one side of the side block (19).

8. A geothermal downhole deep-hole heat exchanger according to claim 7, wherein: the arc-shaped brushing plate (21) is fixedly arranged at one end of the movable plate (18), and the cleaning brushing (22) is fixedly arranged at one side of the arc-shaped brushing plate (21).