CN219120793U - Combined heat supply device for middle-deep layer and shallow layer geothermal energy - Google Patents
Combined heat supply device for middle-deep layer and shallow layer geothermal energy Download PDFInfo
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- CN219120793U CN219120793U CN202222427255.9U CN202222427255U CN219120793U CN 219120793 U CN219120793 U CN 219120793U CN 202222427255 U CN202222427255 U CN 202222427255U CN 219120793 U CN219120793 U CN 219120793U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a medium-deep geothermal energy and shallow geothermal energy combined heat supply device, which belongs to the technical field of geothermal energy utilization and comprises a medium-deep geothermal pipeline and a shallow geothermal pipeline, wherein the medium-deep geothermal pipeline and the shallow geothermal pipeline are connected through a water collecting mechanism. According to the utility model, the water collecting mechanism is arranged on the middle-deep geothermal pipeline and the shallow geothermal pipeline and is communicated with each other, and the water systems of the middle-deep geothermal pipeline and the shallow geothermal pipeline are perfectly combined together through the water collecting mechanism, so that heat energy in the middle-deep geothermal pipeline and the shallow geothermal pipeline is output to a user for supplying heat and is used.
Description
Technical Field
The utility model belongs to the technical field of geothermal energy utilization, and is used for combining middle-deep geothermal energy and shallow-deep geothermal energy, in particular to a middle-deep and shallow-deep geothermal energy combined heat supply device.
Background
At present, the central and deep geothermal energy utilization in China mainly adopts a mode of directly exploiting central and deep geothermal water and extracting the central and deep geothermal water through a pipeline, namely, a geothermal well is cut in a region with rich geothermal water resources, and the underground hot water is directly extracted; the medium-deep non-interference geothermal energy heat supply technology is to drill holes into the depth of 2000-3000 m underground through a drilling machine, install a sealed metal heat exchanger device in the drill holes, inject heat exchange medium into the metal heat exchanger device, and transfer heat of the underground rock and soil layer out in a convection and heat conduction mode to supply heat to users; the shallow geothermal energy is also called shallow geothermal energy, and refers to thermal energy resources in the earth, which are generally buried from a constant temperature zone to 200m depth below the earth surface within a certain depth range, the temperature is lower than 25 ℃, and the development and utilization values are achieved under the current technical and economic conditions. In the prior art, the middle-deep geothermal heat and the shallow geothermal heat are separately arranged, namely are separately developed and used; in the actual use process, the early investment cost of the middle-deep geothermal heat is higher, the early investment of the shallow geothermal heat is lower, but the later maintenance is higher, so that the problem of high use cost of the technical scheme is caused. Therefore, it is necessary to provide a front end device of an inner tube for heat exchange of a deep geothermal buried pipe in a body type to solve the problems existing in the prior art.
Disclosure of Invention
The utility model aims to provide a medium-deep geothermal energy and shallow geothermal energy combined heat supply device, which solves the problem of high use cost in the prior art by perfectly combining the medium-deep geothermal energy and shallow geothermal energy water systems.
In order to solve the technical problems, the utility model adopts the following technical scheme: the medium-deep geothermal energy and shallow geothermal energy combined heat supply device comprises a medium-deep geothermal pipeline and a shallow geothermal pipeline, wherein the medium-deep geothermal pipeline and the shallow geothermal pipeline are connected through a water collecting mechanism.
The middle-deep geothermal pipeline and the shallow geothermal pipeline respectively comprise a ground pipe and a heat pump unit, a circulating water pipe and an inner pipe are respectively arranged in the ground pipe, the other ends of the circulating water pipe and the inner pipe are respectively connected with the heat pump unit, the water collecting mechanism is arranged on the inner pipe, and the inner pipes on the middle-deep geothermal pipeline and the shallow geothermal pipeline are mutually communicated through the water collecting mechanism.
And a circulating water pump is arranged on the circulating water pipe.
The heat pump unit adopts a heat pump unit with a heat pump ratio of 30 RB/RQ.
The water collecting mechanism is a water collecting device.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the water collecting mechanism is arranged on the middle-deep geothermal pipeline and the shallow geothermal pipeline and is communicated with each other, and the water systems of the middle-deep geothermal pipeline and the shallow geothermal pipeline are perfectly combined together through the water collecting mechanism, so that heat energy in the middle-deep geothermal pipeline and the shallow geothermal pipeline is output to a user for supplying heat and is used.
Drawings
FIG. 1 is a schematic diagram of an apparatus of the present utility model;
FIG. 2 is a schematic diagram of the connection of the deep geothermal pipes according to the present utility model.
In the figure, a circulating water pipe 1, a heat pump unit 2, a circulating water pump 3, a ground pipe 4 and a water collecting mechanism 5 are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
As shown in fig. 1, the central-deep geothermal energy and shallow geothermal energy combined heat supply device comprises a central-deep geothermal pipeline and a shallow geothermal pipeline, wherein the central-deep geothermal pipeline and the shallow geothermal pipeline are connected through a water collecting mechanism 5; when the geothermal energy system is used, the middle-deep geothermal pipeline and the shallow geothermal pipeline are respectively arranged in the middle-deep geothermal well and the shallow geothermal well in the region with rich geothermal water resources, the water collecting mechanism 5 is used for perfectly combining the two water systems, the advantages of the two technologies are brought into play, the economy of the project is improved, and the aim of saving the cost is fulfilled.
As shown in fig. 2, in this embodiment, the water collecting mechanism 5 is a water separating and collecting device, which is manufactured by westerner large environment science and technology limited company, the heat pump unit 2 is a heat pump unit with 30RB/RQ, and the middle-deep geothermal pipeline and the shallow geothermal pipeline respectively comprise two groups of pipelines; in actual installation, the middle-deep geothermal pipeline comprises a ground pipe 4 and a heat pump unit 2, wherein the ground pipe 1 is respectively provided with a circulating water pipe 1 and an inner pipe, the other ends of the circulating water pipe 1 and the inner pipe are connected with a heat pump water inlet hole of the heat pump unit 2, and the circulating water pipe 1 is provided with a circulating water pump 3 which is beneficial to heat extraction of the inner pipe; the running pressure of the middle-deep geothermal buried pipe is generally between 0.8Mpa and 1.2 Mpa; the shallow and deep geothermal pipeline also comprises a ground pipe 4 and a heat pump unit 2, wherein the ground pipe 1 is respectively provided with a circulating water pipe 1 and an inner pipe, the other ends of the circulating water pipe 1 and the inner pipe are connected with a heat pump water inlet hole of the heat pump unit 2, and the circulating water pipe 1 is provided with a circulating water pump 3 which is beneficial to heat extraction of the inner pipe, and the operation pressure of the shallow buried pipe is within 0.3 Mpa; the water collecting mechanism 5 is arranged on the shallow-deep geothermal pipe, a water inlet of the water collecting mechanism 5 is connected with inner pipes of the middle-deep geothermal buried pipe and the shallow-layer geothermal pipe respectively, the inner pipes of the middle-deep geothermal buried pipe and the shallow-layer geothermal pipe are mutually communicated through the water collecting mechanism 5, heat energy in the middle-deep geothermal buried pipe and the shallow-layer geothermal pipe circulates through the circulating water pump 3, heat energy in the ground pipe 4 is conveyed to the water collecting mechanism 5 through the heat pump unit 2 and the circulating water pipe 1, heat is supplied to a user for use through the water collecting mechanism 5, meanwhile, the water collecting mechanism 5, the circulating water pump 3, the circulating water pipe 1 and the heat pump unit 2 can be combined with the running pressure of the middle-deep geothermal buried pipe and the running pressure of the shallow-layer geothermal pipe at 0.3Mpa, and then the two water systems are perfectly combined together through the water collecting mechanism 5, the advantages of the two technologies are brought into play, the economic performance of the project is improved, and the aim of saving the cost is achieved.
When the water heater is used, the middle-deep geothermal pipeline and the shallow geothermal pipeline are respectively installed in a middle-deep geothermal well and a shallow geothermal well in a region with rich geothermal water resources, the geothermal pipe 4 is arranged in the geothermal well, hot water enters the inside of the geothermal pipe 4, the circulating water circulates through the circulating water pump 3 arranged on the circulating water pipe 1 on the middle-deep geothermal pipeline and the shallow geothermal pipeline and is conveyed to the heat pump unit 2, meanwhile, the heat pump unit 2 processes the pressure in the circulating water pipe 1 and the hot water and is conveyed to the water collecting mechanism 5, the water collecting mechanism 5 perfectly combines the two water systems and is conveyed to a user for use through the water outlet pipe on the water collecting mechanism 5, the economic efficiency of a project is improved, and the purpose of saving the cost is achieved.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (3)
1. The medium-deep geothermal energy and shallow geothermal energy combined heat supply device is characterized by comprising a medium-deep geothermal pipeline and a shallow geothermal pipeline, wherein the medium-deep geothermal pipeline and the shallow geothermal pipeline are connected through a water collecting mechanism (5); the middle-deep geothermal pipeline and the shallow geothermal pipeline respectively comprise a ground pipe (4) and a heat pump unit (2), a circulating water pipe (1) and an inner pipe are respectively arranged in the ground pipe (4), the other ends of the circulating water pipe (1) and the inner pipe are respectively connected with the heat pump unit (2), a water collecting mechanism (5) is arranged on the inner pipe, and the inner pipes of the middle-deep geothermal pipeline and the shallow geothermal pipeline are mutually communicated through the water collecting mechanism (5); the circulating water pipe (1) is provided with a circulating water pump (3).
2. The combined heat supply device for middle-deep layer and shallow layer geothermal energy according to claim 1, wherein: the heat pump unit (2) adopts a heat pump unit with a heat pump ratio of 30 RB/RQ.
3. The combined heat supply device for middle-deep layer and shallow layer geothermal energy according to claim 1, wherein: the water collecting mechanism (5) is a water collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222427255.9U CN219120793U (en) | 2022-09-14 | 2022-09-14 | Combined heat supply device for middle-deep layer and shallow layer geothermal energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222427255.9U CN219120793U (en) | 2022-09-14 | 2022-09-14 | Combined heat supply device for middle-deep layer and shallow layer geothermal energy |
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| Publication Number | Publication Date |
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| CN219120793U true CN219120793U (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222427255.9U Active CN219120793U (en) | 2022-09-14 | 2022-09-14 | Combined heat supply device for middle-deep layer and shallow layer geothermal energy |
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| CN (1) | CN219120793U (en) |
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2022
- 2022-09-14 CN CN202222427255.9U patent/CN219120793U/en active Active
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