CN211782066U - Underground heat exchange pipeline and underground heat exchanger - Google Patents
Underground heat exchange pipeline and underground heat exchanger Download PDFInfo
- Publication number
- CN211782066U CN211782066U CN202020738574.XU CN202020738574U CN211782066U CN 211782066 U CN211782066 U CN 211782066U CN 202020738574 U CN202020738574 U CN 202020738574U CN 211782066 U CN211782066 U CN 211782066U
- Authority
- CN
- China
- Prior art keywords
- section
- heat exchange
- heat transfer
- pipe
- flow
- 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
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000003245 coal Substances 0.000 description 7
- 239000011435 rock Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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 relates to a warm up technical field, the application discloses a heat transfer pipeline and heat exchanger in pit, heat transfer pipeline inlet tube in pit, outlet pipe, first lateral flow pipe and second lateral flow pipe are connected with parallel mode the inlet tube reaches the outlet pipe, first lateral flow pipe include first heat transfer section and first circulation section, and the second lateral flow pipe includes second heat transfer section and second circulation section, and first heat transfer section sets up with second circulation section is parallel, and first circulation section sets up with second heat transfer section is parallel, and heat transfer pipeline in pit adopts two tributary pipeline sections to absorb geothermal energy, and the heat transfer of staggering of the second heat transfer section of the first heat transfer section of first lateral flow pipe and second lateral flow pipe, the heat energy in different regions of abundant absorption improves heat transfer pipeline in pit's heat exchange efficiency, better extraction geothermal energy in the tunnel in the pit.
Description
Technical Field
The application relates to mine tunnel technical field generally, particularly, relates to an underground heat exchange pipeline and heat exchanger in pit.
Background
In recent years, the problem of northern haze becomes a social focus and seriously affects daily life and physical and psychological health of people, and one of the main reasons for forming the haze is PM2.5 generated in the heat supply process of coal in winter, so that the environment protection situation is very severe. In order to respond to a series of energy policies such as 'energy conservation and emission reduction' in China and the like, clean alternative energy is searched, coal removal is carried out in various coal mine areas, but the coal removal process is seriously hindered by huge expenditure and the frequently-occurring 'gas waste' problem.
Considering that a plurality of roadways are left in the process of mining coal mines, the roadways are located in deeper underground, the surrounding rock temperature is higher, the temperature field is stable, the roadway is a high-quality geothermal resource, the number of the roadways is large, and the contained large amount of high-quality geothermal energy can sufficiently meet the heat supply requirement of a coal mine area. The scheme is provided for better extracting geothermal energy contained in surrounding rocks of the underground roadway in the coal mine area.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to be better draw the geothermal energy that contains in the tunnel country rock in the pit, this application proposes a heat exchange pipeline and heat exchanger in the pit.
In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:
a downhole heat exchange pipeline comprises an inlet pipe, an outlet pipe, a first branch pipe and a second branch pipe, wherein the first branch pipe and the second branch pipe are connected with the inlet pipe and the outlet pipe in a parallel mode;
the first branch flow pipe comprises a first heat exchange section and a first circulation section, the second branch flow pipe comprises a second heat exchange section and a second circulation section, the first heat exchange section and the second circulation section are arranged in parallel, and the first circulation section and the second heat exchange section are arranged in parallel.
Further, in an embodiment of the present invention, the first heat exchanging section is disposed on one side of the first branch pipe connecting the inlet pipe.
Further, in an embodiment of the present invention, the first circulation section is disposed on one side of the first branch pipe connected to the outlet pipe.
Further, in an embodiment of the present invention, the second heat exchanging section is disposed on one side of the second branch pipe connecting outlet pipe.
Further, in an embodiment of the present invention, the second circulation section is disposed at one side of the second branch pipe connection inlet pipe.
Further, in an embodiment of the present invention, the first heat exchanging section is a spiral structure, and the second circulating section is a straight tube structure arranged in the spiral structure of the first heat exchanging section.
Further, in an embodiment of the present invention, the second heat exchanging section is a spiral structure, and the first flow passage section is a straight tube structure arranged in the spiral structure of the second heat exchanging section.
Further, the utility model discloses an in the embodiment, above-mentioned first heat transfer section interval is provided with the multistage, the second circulation section corresponds first heat transfer section sets up.
Further, the utility model discloses an in the embodiment, above-mentioned second heat transfer section interval is provided with the multistage, first circulation section corresponds second heat transfer section sets up.
A downhole heat exchanger comprises the downhole heat exchange pipeline.
According to the technical scheme, the underground heat exchange pipeline and the underground heat exchanger have the advantages and positive effects that:
the heat exchange efficiency is improved, and the geothermal energy contained in the surrounding rock of the underground roadway is better extracted.
In this scheme, heat transfer pipeline in pit is including parallelly connected first tributary pipe and the second tributary pipe that sets up, first tributary pipe includes first heat transfer section and first circulation section, the second tributary pipe includes second heat transfer section and second circulation section, first heat transfer section sets up with the second circulation section is parallel, first circulation section sets up with the second heat transfer section is parallel, heat transfer pipeline in pit adopts two tributary pipe sections to absorb geothermal energy, and the heat transfer is staggered to the first heat transfer section of first tributary pipe and the second heat transfer section of second tributary pipe, the heat transfer efficiency of heat transfer pipeline in pit is improved, the geothermal energy in the tunnel in the pit is better drawed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic illustration of a downhole heat exchange tubular according to an exemplary embodiment.
FIG. 2 is a schematic illustration of a first lateral flow tube configuration of a downhole heat exchange tubular according to an exemplary embodiment.
FIG. 3 is a schematic diagram of a second tributary tube arrangement of a downhole heat exchange tube according to one illustrated embodiment.
Wherein the reference numerals are as follows:
100-an inlet tube; 200-an outlet pipe; 300-a first shunt tube; 400-a second shunt tube;
310-a first heat exchange section; 320-a first flow-through segment; 410-a second heat exchange section; 420-second flow-through section.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention, and it should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
For the geothermal energy that contains in the better extraction tunnel country rock in the pit, improve heat exchange efficiency, this scheme provides a heat transfer pipeline and heat exchanger in the pit, wherein heat transfer pipeline in the pit includes the flow pipe that connects two parallelly connected settings, two flow pipes are provided with heat transfer section and circulation section respectively, the heat transfer section dislocation set of two flow pipes, in same region, when one of them flow pipe is in main heat transfer state, another flow pipe is in the mainstream through-state, the heat transfer section of two flow pipes is in different regions respectively, effectively improve heat exchange efficiency, the geothermal energy who contains in the make full use of tunnel country rock.
Examples
Referring to fig. 1, with reference to fig. 2 and 3, fig. 1 is a schematic diagram of a downhole heat exchange pipeline in the present application, the downhole heat exchange pipeline includes an inlet pipe 100, an outlet pipe 200, a first branch pipe 300 and a second branch pipe 400, an inlet end and an outlet end of the first branch pipe 300 are respectively connected to the inlet pipe 100 and the outlet pipe 200, an inlet end and an outlet end of the second branch pipe 400 are respectively connected to the inlet pipe 100 and the outlet pipe 200, as shown in fig. 1, the first branch pipe 300 and the second branch pipe 400 are distinguished by a solid line and a dotted line, the structure of the first branch pipe 300 is shown by a solid line, and the structure of the second branch pipe 400.
The first branch pipe 300 includes a first heat exchange section 310 and a first flow-through section 320, the second branch pipe 400 includes a second heat exchange section 410 and a second flow-through section 420, the first heat exchange section 310 of the first branch pipe 300 is disposed in parallel with the second flow-through section 420 of the second branch pipe 400, and the first flow-through section 320 of the first branch pipe 300 is disposed in parallel with the second heat exchange section 410 of the second branch pipe 400.
When the first branch pipe 300 is provided with a first heat exchange section 310 and a first flow-through section 320, the first heat exchange section 310 is arranged at the side of the first branch pipe 300 connected with the inlet end, and the first flow-through section 320 is arranged at the side of the first branch pipe 300 connected with the outlet pipe 200; when the second branch pipe 400 is provided with a second heat exchange section 410 and a second flow-through section 420, the second heat exchange section 410 is disposed at the side of the second branch pipe 400 connected to the outlet pipe 200, and the second flow-through section 420 is disposed at the side of the second branch pipe 400 connected to the inlet pipe 100.
When the heat exchange medium enters the inlet pipe 100 and then is divided into two parts, the heat exchange medium flowing into the first branch pipe 300 is defined as a first heat exchange medium, and the heat exchange medium flowing into the second branch pipe 400 is defined as a second heat exchange medium, because the first heat exchange section 310 and the second circulation section 420 are arranged in parallel, when the first heat exchange medium absorbs geothermal energy in the first branch pipe 300 for heat exchange, the second heat exchange medium mainly circulates in the second circulation section 420, so that the first medium with lower temperature can be ensured to fully absorb the thermal energy in the area where the first heat exchange section 310 is located, and the first heat exchange medium flows out of the outlet pipe 200 through the first circulation section 320 after heat exchange in the first heat exchange section 310; the second heat exchange medium flows out from the second circulation section 420 and then passes through the second heat exchange section 410, the second heat exchange section 410 is parallel to the first circulation section 320, the second heat exchange medium mainly circulates in the second circulation section 420, the temperature of the second heat exchange medium is much lower than that of the first heat exchange medium, the second heat exchange medium can exchange heat in the area where the second heat exchange section 410 is located, the heat exchange of the second heat exchange medium cannot be affected due to the fact that the first heat exchange medium has a certain temperature, and the second heat exchange medium after heat exchange flows out from the outlet pipe 200. The heat exchange sections of the two branch flow pipes are arranged in a staggered mode, so that the heat exchange efficiency of the underground heat exchange pipeline is improved, and geothermal energy in an underground roadway is better extracted.
In this embodiment, the first heat exchange section 310 of the first branch flow pipe 300 and the second heat exchange section 410 of the second branch flow pipe 400 respectively adopt a spiral structure, and the spiral structure can effectively prolong the heat exchange path and increase the heat exchange area. When the first flow section 320 of the first branch pipe 300 and the second flow section 420 of the second branch pipe 400 are respectively of a straight pipe structure, as shown in fig. 1, when the heat exchanger is installed, the first flow section 320 of the first branch pipe 300 is located in the spiral structure of the second heat exchange section 410 of the second branch pipe 400, and the second flow section 420 of the second branch pipe 400 is located in the spiral structure of the first heat exchange section 310 of the first branch pipe 300.
Referring to fig. 2 and 3, the first branch pipe 300 and the second branch pipe 400 are approximately U-shaped, and under the understanding of those skilled in the art, the first branch pipe 300 and the second branch pipe 400 may also be V-shaped or M-shaped, etc., so as to satisfy that the first heat exchange section 310 and the first circulation section 320 are arranged at an interval, and the second heat exchange section 410 and the second circulation section 420 are arranged at an interval, so that after the first branch pipe 300 and the second branch pipe 400 are parallel, the first heat exchange section 310 and the second heat exchange section 410 absorb geothermal energy in different areas.
In this scheme, the first heat exchange section 310 may be provided with a plurality of sections, the first circulation section 320 and the first heat exchange section 310 are provided with a plurality of sections at intervals, the second heat exchange section 410 and the first circulation section 320 are correspondingly arranged, the second circulation section 420 and the first heat exchange section 310 are correspondingly arranged, when the first branch pipe 300 and the second branch pipe 400 are parallel, the first heat exchange section 310 and the second circulation section 420 are correspondingly parallel, the first circulation section 320 and the second heat exchange section 410 are correspondingly parallel, in the same region, the heat exchange medium in one pipe section is in a main heat exchange state, and then the heat exchange medium in another pipe section is inevitably in a main circulation state, so that the heat exchange efficiency of the underground heat exchange pipe is improved, and geothermal energy in the underground roadway is better extracted.
The embodiment also provides an underground heat exchanger, and the underground heat exchanger adopts above-mentioned heat transfer pipeline in pit.
To sum up, this scheme provides a heat transfer pipeline and heat exchanger in pit, wherein heat transfer pipeline in pit adopts two to link the flow pipes that set up, first flow pipe 300 and second flow pipe 400 promptly, two flow pipes are provided with heat transfer section and circulation section respectively, the heat transfer section is used for fully absorbing geothermal energy, the circulation section is mainly used for the circulation of heat transfer medium, the heat transfer section dislocation set with two flow pipes, in same region, when one of them flow pipe is in main heat transfer state, another flow pipe is in the mainstream through-state, the heat transfer section of two flow pipes absorbs geothermal energy in the region of difference respectively, effectively improve heat exchange efficiency, the geothermal energy who contains in the make full use of tunnel country rock.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A downhole heat exchange pipe, comprising an inlet pipe (100), an outlet pipe (200), a first branch pipe (300) and a second branch pipe (400), the first branch pipe (300) and the second branch pipe (400) connecting the inlet pipe (100) and the outlet pipe (200) in parallel;
the first branch flow pipe (300) comprises a first heat exchange section (310) and a first circulation section (320), the second branch flow pipe (400) comprises a second heat exchange section (410) and a second circulation section (420), the first heat exchange section (310) and the second circulation section (420) are arranged in parallel, and the first circulation section (320) and the second heat exchange section (410) are arranged in parallel.
2. A downhole heat exchange tube according to claim 1, wherein the first heat exchange section (310) is arranged at a side of the first lateral flow tube (300) where the inlet tube (100) is connected.
3. A downhole heat exchange tube according to claim 1, wherein the first flow through section (320) is arranged at a side of the first lateral flow tube (300) where an outlet tube (200) is connected.
4. A downhole heat exchange tube according to claim 1, wherein the second heat exchange section (410) is arranged at a side of the second branch flow tube (400) where the outlet tube (200) is connected.
5. A downhole heat exchange tube according to claim 1, wherein the second flow-through section (420) is arranged at a side of the second lateral (400) being connected to an inlet tube (100).
6. A downhole heat exchange tube according to claim 1, wherein the first heat exchange section (310) is of a spiral configuration and the second flow-through section (420) is of a straight tube configuration arranged in the spiral configuration of the first heat exchange section (310).
7. A downhole heat exchange tube according to claim 1, wherein the second heat exchange section (410) is of a spiral configuration and the first flow-through section (320) is of a straight tube configuration arranged in the spiral configuration of the second heat exchange section (410).
8. A downhole heat exchange tubing according to claim 1, wherein the first heat exchange section (310) is arranged with a plurality of sections spaced apart, and the second flow through section (420) is arranged in correspondence with the first heat exchange section (310).
9. A downhole heat exchange tube according to claim 1, wherein the second heat exchange section (410) is arranged with a plurality of sections at intervals, and the first flow through section (320) is arranged in correspondence with the second heat exchange section (410).
10. A downhole heat exchanger comprising a downhole heat exchange conduit according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020738574.XU CN211782066U (en) | 2020-05-07 | 2020-05-07 | Underground heat exchange pipeline and underground heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020738574.XU CN211782066U (en) | 2020-05-07 | 2020-05-07 | Underground heat exchange pipeline and underground heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211782066U true CN211782066U (en) | 2020-10-27 |
Family
ID=72958240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020738574.XU Active CN211782066U (en) | 2020-05-07 | 2020-05-07 | Underground heat exchange pipeline and underground heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211782066U (en) |
-
2020
- 2020-05-07 CN CN202020738574.XU patent/CN211782066U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201078725Y (en) | Forward direction combustion condensing type gas water heater | |
| CN107289671A (en) | A kind of coal gangue storage yard water source heat pump system | |
| CN211782066U (en) | Underground heat exchange pipeline and underground heat exchanger | |
| CN106940032A (en) | A kind of single well type deep geothermal heat utilizes direct combustion type heat pump heat distribution system | |
| CN107477895A (en) | Mid-deep strata underground heat bore hole heat exchanger | |
| CN201053836Y (en) | Polluted water and ground surface water heat pump open channel type heat-exchanging groove heat-exchanging device | |
| CN204693556U (en) | Absorption type heat pump-type heat-exchange unit | |
| CN103836841B (en) | The recycle device of the cold and hot amount of a kind of cities and towns native sewage water | |
| CN204757083U (en) | Heating system | |
| CN209263397U (en) | A kind of mid-deep strata geothermal well takes heat not fetch water type high-performance heat exchanger | |
| CN103062958B (en) | Back washing system | |
| CN207065930U (en) | A kind of coal gangue storage yard water source heat pump system | |
| CN206281028U (en) | A kind of heating system of utilization deep-well geothermal heating | |
| CN210197760U (en) | Medium-deep geothermal water utilization system | |
| CN216076997U (en) | Large-caliber middle-deep concentric tube heat exchange well body structure | |
| CN104848330A (en) | Heat supplying system | |
| CN210718214U (en) | Ground ring water source heat pump system without pumping underground water | |
| CN114688752A (en) | Geothermal well transformation method | |
| CN104197585A (en) | Combined type heat pump and heat source system and method for heat exchanging through power plant cooling system | |
| CN204963627U (en) | Direct primary sewage pipe plate heat exchanger | |
| CN110966780A (en) | Total-heat type geothermal deep well super-efficient heat exchange system | |
| CN212362471U (en) | Non-interference geothermal exploitation device | |
| CN203771804U (en) | Urban untreated sewage cooling and heating capacity recycling device | |
| CN205138228U (en) | Limekiln conduction oil waste heat recovery system | |
| CN205174642U (en) | System for open channel formula heat transfer in discarded tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |