CN210197760U - Medium-deep geothermal water utilization system - Google Patents
Medium-deep geothermal water utilization system Download PDFInfo
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- CN210197760U CN210197760U CN201921023406.6U CN201921023406U CN210197760U CN 210197760 U CN210197760 U CN 210197760U CN 201921023406 U CN201921023406 U CN 201921023406U CN 210197760 U CN210197760 U CN 210197760U
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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 provides a middle-deep geothermal water utilizes system relates to middle-deep geothermal water energy and utilizes technical field, has solved among the prior art not abundant and middle-deep geothermal water utilization of heat in the middle-deep geothermal water and has accomplished back direct discharge in ditch or river, causes the technical problem of pollution to the environment. The device comprises a water taking well, a water returning well, a primary heat exchange assembly and a secondary heat exchange assembly, wherein the water taking well and the water returning well are communicated with the geothermal water in the middle deep layer; along the flow direction of the middle-deep geothermal water, a second-stage heat exchange assembly is arranged between the tail-end first-stage heat exchange assembly and the user water pipe, the first-stage heat exchange assembly is connected with the second-stage heat exchange assembly through a pipeline, and the second-stage heat exchange assembly is connected with the user water pipe.
Description
Technical Field
The utility model belongs to the technical field of the utilization of middle and deep layer geothermal water energy and specifically relates to a middle and deep layer geothermal water utilizes system is related to.
Background
Geothermal resources are renewable resources, and the adoption of geothermal resources for heat supply is a clean and environment-friendly heat supply mode and good measures for energy conservation and emission reduction. At present, the mode of utilizing geothermal water to supply heat is to extract geothermal water from underground and then carry out the heat transfer with this geothermal water and the water in the user side pipeline, but, generally, the geothermal water's after the heat transfer temperature is still higher, and is lower to geothermal water's utilization ratio. In addition, the utilized high-temperature geothermal water is directly discharged into a canal or a river, and the natural environment is seriously polluted due to the high-temperature and high-mineral-content physical characteristics of the geothermal water.
The applicant has found that the prior art has at least the following technical problems:
in the prior art, the utilization rate of the heat in the extracted high-temperature middle-deep geothermal water is low, and the middle-deep geothermal water is directly discharged in a ditch or a river after the utilization is finished, so that the environment is polluted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a middle-deep geothermal water utilizes system to solve the heat utilization rate low to the high temperature middle-deep geothermal water of extraction that exists among the prior art, middle-deep geothermal water utilizes and accomplishes the back direct discharge in ditch or river, causes the technical problem of pollution to the environment. The utility model provides a great deal of technological effect (geothermal water heat utilization ratio obviously promotes, environmental pollution degree reduces) that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a middle-deep geothermal water utilization system, which comprises a water taking well, a water returning well, a primary heat exchange component and a secondary heat exchange component, wherein,
the water taking well and the water return well are both communicated with geothermal water, a deep well pump is arranged in the water taking well, the deep well pump is communicated with the water return well through a pipeline, at least two primary heat exchange assemblies are arranged on the pipeline, each primary heat exchange assembly can be respectively connected with a user water pipe, and the geothermal water flows into the water return well after sequentially flowing through all the primary heat exchange assemblies; and a second-stage heat exchange assembly is arranged between the first-stage heat exchange assembly at the tail end and the user water pipe along the flowing direction of the middle-deep geothermal water, the first-stage heat exchange assembly is connected with the second-stage heat exchange assembly through a pipeline, and the second-stage heat exchange assembly is connected with the user water pipe.
Preferably, the primary heat exchange assembly comprises a heat exchanger.
Preferably, the heat exchanger comprises a plate heat exchanger.
Preferably, the secondary heat exchange assembly comprises a heat pump unit.
Preferably, the deep well pump is suspended in the water intake well by the pipe, and the deep well pump is located in the geothermal water.
Preferably, at least one deep well pump is arranged in the water taking well.
Preferably, the conduit has a portion extending into the return water well.
Preferably, the pipeline is provided with two primary heat exchange assemblies, and the second primary heat exchange assembly and the user water pipe are provided with the secondary heat exchange assembly therebetween along the flow direction of the geothermal water.
Preferably, a heat preservation piece is arranged on a pipeline between any two adjacent primary heat exchange assemblies.
Preferably, the heat preservation member comprises heat preservation cotton.
The utility model discloses well deep geothermal water utilizes system is provided with get well and return water well with the intercommunication of well deep geothermal water respectively, and gets well and return water well and be connected through the pipeline. The geothermal water in the middle-deep layer flowing out of the water taking well sequentially flows through all the first-stage heat exchange assemblies on the pipeline, exchanges heat with the corresponding user water pipes or the second-stage heat exchange assemblies and then is converged into the geothermal water in the middle-deep layer in the backwater well, so that the geothermal water is prevented from being discharged on the ground at will, and the damage and the pollution of the geothermal water to the environment are reduced. Simultaneously, the heat of middle-deep geothermal water aquatic can fully be drawed to one-level heat exchange component and second grade heat exchange component, effectively promotes the utility model discloses middle-deep geothermal water utilizes the utilization ratio of system centering deep geothermal water aquatic energy.
Drawings
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the system for utilizing geothermal water in a middle and deep layer according to the present invention;
in the figure 1, a water taking well; 11. a deep well pump; 2. a water return well; 3. a primary heat exchange assembly; 31. a first heat exchanger; 311. a hot water inlet; 312. a hot water outlet; 313. a cooling water outlet; 314. a cooling water inlet; 32. a second heat exchanger; 4. a secondary heat exchange assembly; 41. an evaporator; 411. a water inlet; 412. a water outlet; 42. a condenser; 421. a liquid outlet; 422. a liquid inlet; 5. a user's home; 6. a pipeline; 7. a user water pipe; 8. a pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a system is utilized to middle and deep geothermal water, including water intaking well 1, return water well 2, one-level heat transfer component 3 and second grade heat transfer component 4, wherein, water intaking well 1 and return water well 2 all communicate with middle and deep geothermal water, are provided with deep-well pump 11 in the water intaking well 1, and deep-well pump 11 passes through pipeline 6 and 2 intercommunications of return water well, and is provided with two at least one-level heat transfer component 3 on the pipeline 6, and every one-level heat transfer component 3 is connected with user's water pipe 7 respectively, and middle and deep geothermal water flows into in return water well 2 after flowing through all one-level heat transfer component 3 in proper order. In order to improve the utilization rate of heat in the geothermal water of the middle and deep layers, the first-stage heat exchange component 3 at the tail end is connected with a user water pipe 7 through the second-stage heat exchange component 4 along the flowing direction of the geothermal water of the middle and deep layers. Namely, a second-stage heat exchange component 4 is arranged between the first-stage heat exchange component 3 at the tail end and the user water pipe 7, the first-stage heat exchange component 3 is connected with the second-stage heat exchange component 4 through a pipeline 8, and the second-stage heat exchange component 4 is connected with the user water pipe 7. The utility model discloses well deep geothermal water utilizes system is provided with the well and the return water well of getting with well deep geothermal water intercommunication respectively, gets well and return water well and is connected through the pipeline, and the well deep geothermal water that flows through on the pipeline in proper order from getting the well deep geothermal water of well deep flow through all one-level heat exchange assemblies and with the user water pipe or the second grade heat exchange assemblies that correspond and converge into the well deep geothermal water in the return water well after taking place the heat exchange to avoided well deep geothermal water to discharge at will on ground, reduced the destruction and the pollution of well deep geothermal water to the environment. Simultaneously, the heat of middle-deep geothermal water aquatic can fully be drawed to one-level heat exchange component and second grade heat exchange component, effectively promotes the utility model discloses middle-deep geothermal water utilizes the utilization ratio of system centering deep geothermal water aquatic energy.
Specifically, the first-stage heat exchange assembly 3 comprises a heat exchanger, the heat exchanger comprises a plate heat exchanger, the second-stage heat exchange assembly 4 comprises a heat pump unit, wherein the plate heat exchanger and the heat pump unit are products in the prior art and can be obtained through market purchase.
In this embodiment, the first-stage heat exchange assembly 3 is provided with two: a first heat exchanger 31 and a second heat exchanger 32. The hot water inlet 311 of the first heat exchanger 31 is connected with the deep well pump 11 through the pipeline 6, the hot water outlet 312 of the first heat exchanger 31 is connected with the hot water inlet 311 of the second heat exchanger 32 through the pipeline 6, and the hot water outlet 312 of the second heat exchanger 32 is connected with the water return well 2 through the pipeline 6. The geothermal water in the middle deep layer flowing out from the water taking well 1 flows back to the water taking well 1 after sequentially flowing through the first heat exchanger 31 and the second heat exchanger 32. The user water pipe 7 is connected to both the cooling water inlet 314 and the cooling water outlet 313 of the first heat exchanger 31, the hot water in the middle-deep layer flowing from the hot water inlet 311 of the first heat exchanger 31 can exchange heat with the cooling water flowing from the cooling water inlet 314 of the first heat exchanger 31, and the cooling water in the user water pipe 7 after absorbing heat can flow from the cooling water outlet 313 of the first heat exchanger 31 to the user's home 5 through the user water pipe 7 for heating.
The cooling water outlet 313 of the second heat exchanger 32 is connected to the water inlet 411 of the heat pump unit evaporator 41 via a line 8, and the water outlet 412 of the heat pump unit evaporator 41 is connected to the cooling water inlet 314 of the second heat exchanger 32 via a line 8. And, be provided with user's water pipe 7 on inlet 422 and the liquid outlet 421 of heat pump set condenser 42 respectively.
The mid-deep geothermal water flowing into the second heat exchanger 32 from the hot water inlet 311 can exchange heat with the cooling water flowing into the second heat exchanger 32 from the cooling water inlet 314, and the cooling water absorbing heat can flow into the evaporator 41 of the heat pump unit and exchange heat with the refrigerant in the evaporator 41. The heat-absorbed refrigerant is compressed by a compressor of the heat pump unit and then enters the condenser 42 to exchange heat with the cooling water flowing into the condenser 42 from the user water pipe 7, and the cooling water after heat exchange is conveyed from the liquid outlet 421 of the condenser 42 to the user house 5 through the user water pipe 7 for heating.
In this embodiment, at least two heat exchangers are arranged on the pipeline 6 between the water taking well 1 and the water returning well 2, and the at least two heat exchangers can fully utilize the heat in the geothermal water at the middle and deep layers so as to improve the utilization rate of the heat in the geothermal water at the middle and deep layers.
The second heat exchanger 32 not only has the function of utilizing the geothermal water in the middle-deep layer, but also has the function of avoiding the geothermal water in the middle-deep layer from corroding the heat pump unit with high price. Namely, an independent pipeline 8 is arranged between the second heat exchanger 32 and the heat pump unit, and softened water is filled in the independent pipeline 8. The geothermal water in the middle-deep layer flows into the second heat exchanger 32 with lower cost to exchange heat with the softened water in the pipeline 8, and the softened water after heat absorption flows into the evaporator 41 of the heat pump unit so as to prevent the geothermal water in the middle-deep layer from directly entering the heat pump unit, so that although the energy efficiency is reduced, the heat pump unit with higher cost can be protected from continuously and normally operating.
Further, a deep well pump 11 is suspended in the water intake well 1 through a hard pipe 6, and the deep well pump 11 is located in the geothermal water in the middle and deep layers. Preferably, at least one deep well pump 11 is arranged in the water taking well 1, and each deep well pump 11 is provided with a pipeline 6. When the operating deep-well pump 11 is stopped due to a fault, another deep-well pump 11 can be connected with the hot water inlet 311 of the first heat exchanger 31 through the pipeline 6, and the probability of the condition that the operation of the system is interrupted due to the fault of the deep-well pump 11 is reduced.
Preferably, the pipe 6 extends into the bottom region of the backwater well 2.
Preferably, a thermal insulation member is provided on the pipe 6 between the first heat exchanger 31 and the second heat exchanger 32. Wherein, the heat preservation piece includes the heat preservation cotton.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A middle-deep geothermal water utilization system is characterized by comprising a water taking well (1), a water returning well (2), a primary heat exchange component (3) and a secondary heat exchange component (4), wherein,
the water taking well (1) and the water return well (2) are communicated with middle-deep-layer geothermal water, a deep well pump (11) is arranged in the water taking well (1), the deep well pump (11) is communicated with the water return well (2) through a pipeline (6), at least two first-stage heat exchange assemblies (3) are arranged on the pipeline (6), each first-stage heat exchange assembly (3) is connected with a user water pipe (7) respectively, and the middle-deep-layer geothermal water flows into the water return well (2) after sequentially flowing through all the first-stage heat exchange assemblies (3); along the flowing direction of the geothermal water in the middle-deep layer, a secondary heat exchange component (4) is arranged between the primary heat exchange component (3) at the tail end and the user water pipe (7), the primary heat exchange component (3) is connected with the secondary heat exchange component (4) through a pipeline (8), and the secondary heat exchange component (4) is connected with the user water pipe (7).
2. A system for geothermal water in a medium depth according to claim 1, wherein the primary heat exchange module (3) comprises a heat exchanger.
3. The system for utilizing geothermal water at a medium depth of claim 2, wherein the heat exchanger comprises a plate heat exchanger.
4. A system for geothermal water in a medium depth according to claim 1, wherein the secondary heat exchange assembly (4) comprises a heat pump unit.
5. A deep geothermal water usage system according to claim 1, wherein the deep well pump (11) is suspended in the water intake well (1) through the pipe (6) and the deep well pump (11) is located in the deep geothermal water.
6. A system for geothermal water in a medium depth according to claim 1, characterised in that at least one deep well pump (11) is arranged in the water intake well (1).
7. A system for geothermal water at a medium depth according to claim 1, characterised in that there is a section of the pipe (6) extending into the backwater well (2).
8. A system for utilizing geothermal water in a medium or deep layer according to claim 1, wherein two primary heat exchange modules (3) are arranged on the pipe (6).
9. The system for utilizing geothermal water in a medium-deep layer according to claim 1, wherein a heat insulating member is provided on the pipe (6) between any two adjacent primary heat exchange assemblies (3).
10. The system for utilizing geothermal water at a medium depth of claim 9, wherein the thermal insulation member comprises thermal insulation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023406.6U CN210197760U (en) | 2019-07-02 | 2019-07-02 | Medium-deep geothermal water utilization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921023406.6U CN210197760U (en) | 2019-07-02 | 2019-07-02 | Medium-deep geothermal water utilization system |
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| CN210197760U true CN210197760U (en) | 2020-03-27 |
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| CN201921023406.6U Active CN210197760U (en) | 2019-07-02 | 2019-07-02 | Medium-deep geothermal water utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357839A (en) * | 2021-06-26 | 2021-09-07 | 中化地质矿山总局山东地质勘查院 | Medium-deep buried pipe heat exchange device and heat supply system |
-
2019
- 2019-07-02 CN CN201921023406.6U patent/CN210197760U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357839A (en) * | 2021-06-26 | 2021-09-07 | 中化地质矿山总局山东地质勘查院 | Medium-deep buried pipe heat exchange device and heat supply system |
| CN113357839B (en) * | 2021-06-26 | 2022-12-02 | 中化地质矿山总局山东地质勘查院 | Medium-deep buried pipe heat exchange device and heat supply system |
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