CN209672619U - A kind of novel terrestrial well inner tube heat exchange structure - Google Patents
A kind of novel terrestrial well inner tube heat exchange structure Download PDFInfo
- Publication number
- CN209672619U CN209672619U CN201920192872.0U CN201920192872U CN209672619U CN 209672619 U CN209672619 U CN 209672619U CN 201920192872 U CN201920192872 U CN 201920192872U CN 209672619 U CN209672619 U CN 209672619U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- inner tube
- sleeve
- tube heat
- plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of novel terrestrial well inner tube heat exchange structures, including outer tube, inner tube, outer tube heat exchange plug and inner tube heat exchange plug, the outer tube is thermal conductive metal pipe, said inner tube is socketed in the outer tube, the outer pipe bottom is provided with the outer tube heat exchange plug, for being blocked to the outer pipe bottom, said inner tube heat exchange plug is provided with above the outer tube heat exchange plug, and said inner tube heat exchange plug bottom surface fits with outer tube heat exchange plug upper surface, said inner tube exchanges heat plug closure in the bottom of said inner tube.Beneficial effect is: being kept apart thermal medium and cold medium by thermal sleeve, to reduce the heat losses of internal tube heat transferring medium；By the way that training wall and inner sleeve is arranged at interior tube bottom end, increase the flowing stroke of heat transferring medium, to make to export heat transferring medium heat balance；By adding heat exchange plug at interior tube bottom end, to increase heat transferring medium in the heat exchange contact surface of inner pipe end, enhance heat transfer effect.
Description
Technical field
The utility model relates to geothermal well field of heat exchange, and in particular to a kind of novel terrestrial well inner tube heat exchange structure.
Background technique
Geothermal well is the probing well for exploiting the following thermal resource of earth's surface.Underground heat heat transfer process needs complete by geothermal heat exchanger
At.The heat transferring medium of existing heat exchanger is entered by inner and outer pipes annular space, and longitudinal cross-section occurs by sleeve outer wall and rock stratum
Contact, Formation heat are conducted to circulatory mediator by sleeve outer wall, and the medium after taking heat enters inner tube in outer heat exchanging holes bottom, lead to
Inner tube is crossed to return out.
Applicants have discovered that at least there is following technical problem in the prior art: the medium after heat exchange is being arranged upwards along inner tube
When out, since the heat exchange medium temperature on the outside of upper end of inner tube is lower so that heat exchange after medium by inner pipe wall to
When upper discharge, it may occur that heat transfer, so that internal tube medium thermal loss, and in the highest inner tube site substitution of temperature
Calorific intensity is inadequate.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of novel terrestrial well inner tube heat exchange knot
Structure, to solve heat transferring medium in the prior art, in discharge, heat is easy loss and inner tube bottom end the heat transfer intensity skills such as not enough
Art problem.Preferred technical solution, which includes, in many technical solutions provided by the utility model can effectively reduce heat transferring medium
Thermal loss, and the technical effects such as heat transfer intensity for improving inner tube bottom end simultaneously, elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme:
The utility model provides a kind of novel terrestrial well inner tube heat exchange structure, including outer tube, inner tube, outer tube heat exchange plug
With inner tube heat exchange plug, the outer tube is thermal conductive metal pipe, and said inner tube is socketed in the outer tube, and the outer pipe bottom is set
It is equipped with the outer tube heat exchange plug, for being blocked to the outer pipe bottom, is arranged above the outer tube heat exchange plug
Inner tube heat exchange plug is stated, and said inner tube heat exchange plug bottom surface fits with outer tube heat exchange plug upper surface, said inner tube
The plug that exchanges heat is blocked in the bottom of said inner tube；
Said inner tube includes thermal sleeve and inner sleeve, and the thermal sleeve is process using heat-barrier material, described interior
Casing is socketed on inside the thermal sleeve, and the middle and lower part of the inner sleeve is the straight pipe concentric with the thermal sleeve, on
Portion is horn-like, and the flared edges connect with the thermal sleeve inner wall, and said inner tube exchanges heat plug positioned at described heat-insulated
Sleeve bottom, and said inner tube heat exchange plug closure be provided on the bottom of the inner sleeve, the tube wall of the inner sleeve in
Heat exchanging holes, and the interior heat exchanging holes are close to said inner tube heat exchange plug one end；
The training wall of annular is provided between the thermal sleeve and the inner sleeve, and the bottom of the training wall is fixed
It is connected on said inner tube heat exchange plug, the lateral wall of the training wall is concordant with the said inner tube heat exchange periphery of plug, institute
It states and is provided with flow-guiding channel between the horn mouth of the inner sleeve at the top of training wall, for making between thermal sleeve and training wall
Heat transferring medium flow among inner sleeve and training wall；
Outer heat exchanging holes are provided on the tube wall of the thermal sleeve, and the outer heat exchanging holes are located at close to outer tube heat exchange
One end of plug.
It, will be inside and outside said inner tube by the thermal sleeve using a kind of above-mentioned novel terrestrial well inner tube heat exchange structure
Thermal medium and cold medium keep apart, increase the heat-proof quality of said inner tube, to reduce said inner tube internal heat medium
Heat losses, while training wall and inner sleeve are set inside said inner tube, make to enter in said inner tube through the outer heat exchanging holes
Then the thermal medium in portion crosses the top of the training wall backward downstream to the inner sleeve bottom first along the training wall to upstream
Portion outside, then exported upwards after the interior heat exchanging holes enter in the inner sleeve, medium is in inner tube after can so increasing heat exchange
The flowing stroke of bottom, thus make discharge heat transferring medium be heated evenly, while heat transferring medium enter the outer heat exchanging holes and
When the interior heat exchanging holes, the plug that can exchange heat with said inner tube is contacted, and absorption passes to described from outer tube heat exchange plug
The heat of inner tube heat exchange plug enhances heat transfer effect to increase inner pipe end heat exchange contact surface.
Preferably, the thermal sleeve is hollow PE pipe, tube wall is internally provided with the open tubular column of several strips, and described
Open tubular column is uniformly arranged along the annular wall of the thermal sleeve.
Preferably, the pipe thickness of the thermal sleeve is 2-3 times of common PE thickness of pipe wall.
Preferably, the cross section of the open tubular column is diamond shape or hexagon.
Preferably, the thermal sleeve bottom is provided with rounded corner, the outer heat exchanging holes are arranged at the rounded corner, and
The outer heat exchanging holes are perpendicular to the tube wall at the rounded corner, the rounded corner bottom of the thermal sleeve and said inner tube heat exchange plug
Side wall be fixedly connected.
Preferably, the length of the inner sleeve is 10-100 meters, the length of the flow-guiding channel is 5-20 meters.
Preferably, the training wall, the inner sleeve, said inner tube heat exchange plug and outer tube heat exchange plug are all made of and lead
Thermometal is process.
The utility model has the advantages that 1, the utility model is kept apart thermal medium and cold medium by thermal sleeve, to reduce inner tube
The heat losses of internal heat medium；
2, by the way that training wall and inner sleeve is arranged at interior tube bottom end, increase the flowing stroke of heat transferring medium, to make to export
Heat transferring medium heat balance；
3, by adding heat exchange plug at interior tube bottom end, thus increase heat transferring medium in the heat exchange contact surface of inner pipe end,
Enhance heat transfer effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of the utility model；
Fig. 2 is the thermal sleeve cross-section diagram of the utility model.
The reference numerals are as follows:
1, outer tube；2, inner tube；201, flow-guiding channel；202, training wall；203, inner sleeve；2031, interior heat exchanging holes；204, every
Thermal sleeve；2041, outer heat exchanging holes；2042, open tubular column；3, outer tube heat exchange plug；4, inner tube heat exchange plug.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Referring to shown in Fig. 1-2, the utility model provides a kind of novel terrestrial well inner tube heat exchange structure, including outer tube 1, interior
Pipe 2, outer tube heat exchange plug 3 and inner tube heat exchange plug 4, the outer tube 1 are thermal conductive metal pipe, and said inner tube 2 is socketed in described outer
Inside pipe 1,1 bottom of outer tube is provided with the outer tube heat exchange plug 3, described for blocking to 1 bottom of outer tube
Said inner tube heat exchange plug 4 is provided with above outer tube heat exchange plug 3, and said inner tube heat exchange 4 bottom surface of plug is changed with the outer tube
3 upper surface of hot plugging head fits, and said inner tube exchanges heat the closure of plug 4 in the bottom of said inner tube 2；
Said inner tube 2 includes thermal sleeve 204 and inner sleeve 203, the thermal sleeve 204 processed using heat-barrier material and
At the inner sleeve 203 is socketed on inside the thermal sleeve 204, and the middle and lower part of the inner sleeve 203 is and the collet
The concentric straight pipe of pipe 204, top is horn-like, and the flared edges connect with 204 inner wall of thermal sleeve, described interior
Pipe heat exchange plug 4 is located at 204 bottom of thermal sleeve, and said inner tube heat exchange plug 4 blocks at the bottom of the inner sleeve 203
Portion is provided with interior heat exchanging holes 2031 on the tube wall of the inner sleeve 203, and the interior heat exchanging holes 2031 exchange heat close to said inner tube
4 one end of plug；
The training wall 202 of annular, and the training wall are provided between the thermal sleeve 204 and the inner sleeve 203
202 bottom is fixedly connected on said inner tube heat exchange plug 4, and lateral wall and the said inner tube heat exchange of the training wall 202 are stifled
First 4 periphery is concordant, is provided with flow-guiding channel between 202 top of training wall and the horn mouth of the inner sleeve 203
201, for flowing into the heat transferring medium between thermal sleeve 204 and training wall 202 among inner sleeve 203 and training wall 202；
Outer heat exchanging holes 2041 are provided on the tube wall of the thermal sleeve 204, and the outer heat exchanging holes 2041 are positioned at close
One end of the outer tube heat exchange plug 3.
Preferably, the thermal sleeve 204 is hollow PE pipe, tube wall is internally provided with the open tubular column of several strips
2042, and the open tubular column 2042 is uniformly arranged along the annular wall of the thermal sleeve 204, so set, convenient for by hollow
Column 2042 makes thermal sleeve 204 have heat insulation, to reduce the heat transfer of 204 two sides of thermal sleeve.
The pipe thickness of the thermal sleeve 204 is 2-3 times of common PE thickness of pipe wall, so set, heat-insulated convenient for guaranteeing
The resistance to compression of casing 204, tensile strength.
The cross section of the open tubular column 2042 is diamond shape or hexagon, so set, convenient for increasing the cross of open tubular column 2042
To cross-sectional length, heat insulation is improved, while 2042 edge of open tubular column can be increased between 204 outboard sidewalls of thermal sleeve
Wall thickness, to improve the compression strength of thermal sleeve 204.
204 bottom of thermal sleeve is provided with rounded corner, and the outer heat exchanging holes 2041 are arranged at the rounded corner, and institute
Outer heat exchanging holes 2041 are stated perpendicular to the tube wall at the rounded corner, the rounded corner bottom of the thermal sleeve 204 is changed with said inner tube
The side wall of hot plugging head 4 is fixedly connected, so set, convenient for making rounded corner first lower flowing of the heat transferring medium along thermal sleeve 204, and
It is rapidly entered inside inner tube 2 through outer heat exchanging holes 2041, while the heat transferring medium entered being enable to contact with inner tube heat exchange plug 4,
To absorb heat again.
The length of the inner sleeve 203 is 10-100 meters, and the length of the flow-guiding channel 201 is 5-20 meters, so set,
Both it can increase the structural stability of bottom of inner tube, while heat transferring medium can be increased in the flowing time of 2 bottom end of inner tube, increase
2 end of pipe heat exchange contact surface, to enhance heat exchange.
The training wall 202, the inner sleeve 203, inner tube heat exchange plug 4 and outer tube heat exchange plug 3 are all made of thermally conductive gold
Category is process, and heat-conducting metal is steel, cast iron or copper alloy, so set, convenient for enabling the heat of bottom to change by outer tube
Hot plugging head 3 and inner tube heat exchange plug 4 are conducted to inner sleeve 203 and training wall 202, and make inner sleeve 203 and training wall 202 will be hot
Amount continues up conduction, to increase the heat exchange contact surface of 2 bottom end of inner tube, improves heat exchange efficiency.
Using the above structure, by the thermal sleeve 204 by inside and outside said inner tube 2 thermal medium and cold medium every
It leaves, increases the heat-proof quality of said inner tube 2, to reduce the heat losses of 2 internal heat medium of said inner tube, while in institute
It states and training wall 202 and inner sleeve 203 is set inside inner tube 2, make to enter the heat inside said inner tube 2 through the outer heat exchanging holes 2041
Then medium crosses the top of the training wall 202 backward downstream to the inner sleeve first along the training wall 202 to upstream
203 bottom outsides, then exported upwards after the interior heat exchanging holes 2031 enter in the inner sleeve 203, it can so increase heat exchange
Afterwards medium 2 bottom of inner tube flowing stroke, thus make discharge heat transferring medium be heated evenly, while heat transferring medium enter institute
When stating outer heat exchanging holes 2041 and the interior heat exchanging holes 2031, the plug 4 that can exchange heat with said inner tube is contacted, and is absorbed from described outer
Pipe heat exchange plug 3 passes to the heat of said inner tube heat exchange plug 4, to increase by 2 end of inner tube heat exchange contact surface, enhancing heat exchange
Effect.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of novel terrestrial well inner tube heat exchange structure, it is characterised in that: including outer tube (1), inner tube (2), outer tube heat exchange plug
(3) and inner tube heat exchange plug (4), the outer tube (1) are thermal conductive metal pipe, and said inner tube (2) is socketed in the outer tube (1)
Portion, outer tube (1) bottom are provided with outer tube heat exchange plug (3), for blocking to the outer tube (1) bottom, institute
It states and is provided with said inner tube heat exchange plug (4) above outer tube heat exchange plug (3), and said inner tube heat exchange plug (4) bottom surface and institute
It states outer tube heat exchange plug (3) upper surface to fit, said inner tube heat exchange plug (4) is blocked in the bottom of said inner tube (2)；
Said inner tube (2) includes thermal sleeve (204) and inner sleeve (203), and the thermal sleeve (204) is added using heat-barrier material
Work forms, and the inner sleeve (203) is socketed on that the thermal sleeve (204) is internal, the middle and lower part of the inner sleeve (203) be with
The concentric straight pipe of the thermal sleeve (204), top are horn-like, and the flared edges and the thermal sleeve (204)
Inner wall connects, and said inner tube heat exchange plug (4) is located at the thermal sleeve (204) bottom, and said inner tube heat exchange plug (4) envelope
The bottom of the inner sleeve (203) is got lodged in, is provided with interior heat exchanging holes (2031) on the tube wall of the inner sleeve (203), and described
Interior heat exchanging holes (2031) are close to said inner tube heat exchange plug (4) one end；
The training wall (202) of annular, and the water conservancy diversion are provided between the thermal sleeve (204) and the inner sleeve (203)
The bottom of wall (202) be fixedly connected on said inner tube heat exchange plug (4) on, the lateral wall of the training wall (202) with it is described interior
The periphery of pipe heat exchange plug (4) is concordant, sets between the horn mouth of the inner sleeve (203) at the top of the training wall (202)
Flow-guiding channel (201) are equipped with, for making the heat transferring medium between thermal sleeve (204) and training wall (202) flow into inner sleeve
(203) intermediate with training wall (202)；
Be provided with outer heat exchanging holes (2041) on the tube wall of the thermal sleeve (204), and the outer heat exchanging holes (2041) be located at lean on
One end of nearly outer tube heat exchange plug (3).
2. a kind of novel terrestrial well inner tube heat exchange structure according to claim 1, it is characterised in that: the thermal sleeve
(204) it is managed for hollow PE, tube wall is internally provided with the open tubular column (2042) of several strips, and the open tubular column (2042) is along described
The annular wall of thermal sleeve (204) is uniformly arranged.
3. a kind of novel terrestrial well inner tube heat exchange structure according to claim 2, it is characterised in that: the thermal sleeve
(204) pipe thickness is 2-3 times of common PE thickness of pipe wall.
4. a kind of novel terrestrial well inner tube heat exchange structure according to claim 3, it is characterised in that: the open tubular column (2042)
Cross section be diamond shape or hexagon.
5. a kind of novel terrestrial well inner tube heat exchange structure according to claim 4, it is characterised in that: the thermal sleeve
(204) bottom is provided with rounded corner, and the outer heat exchanging holes (2041) are arranged at the rounded corner, and the outer heat exchanging holes (2041)
Perpendicular to the tube wall at the rounded corner, the side of the rounded corner bottom of the thermal sleeve (204) and said inner tube heat exchange plug (4)
Wall is fixedly connected.
6. a kind of novel terrestrial well inner tube heat exchange structure according to claim 5, it is characterised in that: the inner sleeve (203)
Length be 10-100 meter, the length of the flow-guiding channel (201) is 5-20 meters.
7. a kind of novel terrestrial well inner tube heat exchange structure according to claim 6, it is characterised in that: the training wall (202),
The inner sleeve (203), said inner tube heat exchange plug (4) and outer tube heat exchange plug (3) are all made of heat-conducting metal and are process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920192872.0U CN209672619U (en) | 2019-02-13 | 2019-02-13 | A kind of novel terrestrial well inner tube heat exchange structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920192872.0U CN209672619U (en) | 2019-02-13 | 2019-02-13 | A kind of novel terrestrial well inner tube heat exchange structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209672619U true CN209672619U (en) | 2019-11-22 |
Family
ID=68568664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920192872.0U Active CN209672619U (en) | 2019-02-13 | 2019-02-13 | A kind of novel terrestrial well inner tube heat exchange structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209672619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279095A (en) * | 2021-12-27 | 2022-04-05 | 沈阳枫叶能源科技有限公司 | Rock heat supply rock-ground heat exchange device for geothermal energy |
| CN117419586A (en) * | 2023-12-19 | 2024-01-19 | 中国核动力研究设计院 | Unidirectional micro-channel heat exchange tube assembly and heat exchanger |
-
2019
- 2019-02-13 CN CN201920192872.0U patent/CN209672619U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279095A (en) * | 2021-12-27 | 2022-04-05 | 沈阳枫叶能源科技有限公司 | Rock heat supply rock-ground heat exchange device for geothermal energy |
| CN117419586A (en) * | 2023-12-19 | 2024-01-19 | 中国核动力研究设计院 | Unidirectional micro-channel heat exchange tube assembly and heat exchanger |
| CN117419586B (en) * | 2023-12-19 | 2024-02-20 | 中国核动力研究设计院 | Unidirectional micro-channel heat exchange tube assembly and heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209672619U (en) | A kind of novel terrestrial well inner tube heat exchange structure | |
| CN103776281B (en) | Header heating tube binary channels heat transfer heat exchanger and manufacture craft thereof | |
| CN208202585U (en) | Cooling water pipe for mass concrete | |
| CN109724277B (en) | Geothermal well heat exchange device | |
| CN210104046U (en) | Continuous annealing cooling device for tinned copper wire | |
| CN204495121U (en) | Heat exchanger and gas heater | |
| CN202419996U (en) | Flat-plate solar collector runner structure and flat-plate solar collector | |
| CN207146923U (en) | A kind of heat exchanging piece | |
| CN204358974U (en) | Solar energy heat conducting pipe | |
| CN201155871Y (en) | Coil type vacuum tube heat-collecting device | |
| CN209836272U (en) | High-silicon-manganese alloy smelting device | |
| CN208440726U (en) | A kind of crucible of single crystal furnace bar of multi-point support | |
| CN206094994U (en) | Bushing type pre -heater | |
| CN207146924U (en) | A kind of heat exchanging piece | |
| CN206321086U (en) | A kind of heat exchanger | |
| CN201396970Y (en) | Flow channel structure of flat-plate solar collector plate core | |
| TWI337244B (en) | ||
| CN204923974U (en) | Novel high -efficient used heat water heat exchanger device | |
| CN103884121A (en) | Plate core structure of flat-plate collector | |
| CN203758064U (en) | Plate core structure of flat plate collector | |
| CN207279983U (en) | A kind of novel heating solar thermal collector | |
| CN217979272U (en) | Environment-friendly energy-saving hot water rapid heating device | |
| CN212157692U (en) | Heat exchange flow passage | |
| CN210688434U (en) | Condensate water recovery unit is used in starch production | |
| CN220750233U (en) | Three-way pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |