CN216481195U - Comprehensive energy heating system based on wind, light and geothermal coupling - Google Patents

Comprehensive energy heating system based on wind, light and geothermal coupling Download PDF

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CN216481195U
CN216481195U CN202123137572.9U CN202123137572U CN216481195U CN 216481195 U CN216481195 U CN 216481195U CN 202123137572 U CN202123137572 U CN 202123137572U CN 216481195 U CN216481195 U CN 216481195U
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heat
geothermal
wind
heating
power generation
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钟迪
王会
黄永琪
彭烁
周贤
白烨
安航
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Huaneng Clean Energy Research Institute
Huaneng Group Technology Innovation Center Co Ltd
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Huaneng Clean Energy Research Institute
Huaneng Group Technology Innovation Center Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

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Abstract

The embodiment of the application discloses a comprehensive energy heating system based on wind, light and geothermal coupling, wherein a shallow buried pipe collects shallow geothermal heat to heat a first heat exchange medium, the first heat exchange medium is introduced into a first heat exchanger, a solar heat collector collects solar energy to heat a second heat exchange medium, the second heat exchange medium is introduced into the first heat exchanger, the second heat exchange medium heats the first heat exchange medium, and the first heat exchange medium heats heating return water through a first heat pump after heat exchange; the middle-deep geothermal heat-taking device absorbs the middle-deep geothermal heat, the middle-deep geothermal heat absorbed by the middle-deep geothermal heat-taking device secondarily heats heating return water through the second heat pump, and the heating return water after secondary heating is supplied to a user. The application discloses comprehensive energy heating system based on scene geothermol power coupling utilizes solar energy, shallow layer geothermol power and middle and deep layer geothermol power combination to heat the heating return water, and middle and deep layer geothermol power can compensate the heat that gives the heating return water through first heat transfer medium when illumination is not enough, guarantees the continuity and the stability of new forms of energy heat supply.

Description

Comprehensive energy heating system based on wind, light and geothermal coupling
Technical Field
The application relates to the technical field of heat supply, in particular to a comprehensive energy heat supply system based on wind, light and geothermal coupling.
Background
The double-carbon target is a two-stage carbon emission reduction struggle target proposed in China, the carbon dioxide emission strives to reach a peak value in 2030, and the carbon neutralization is strived to be realized in 2060.
At present, coal is mainly adopted for heat supply, a lot of carbon dioxide emission can be generated, and in order to reduce the emission amount of carbon dioxide brought by heat supply, new energy sources such as wind power and photovoltaic need to be vigorously developed to promote new energy source heat supply.
In many areas of China, good solar energy and wind energy utilization conditions exist, solar energy can be converted into heat energy for heating, solar energy and wind energy can also be converted into electric energy, and then the electric heating device converts the electric energy into heat energy for heating. Solar energy and wind energy have the characteristics of discontinuity and instability, so that the continuity and stability of heat supply cannot be realized.
Content of application
The application provides a comprehensive energy heating system based on wind, light and geothermal coupling to realize continuity and stability of new energy heating.
In order to achieve the above object, the present application provides an integrated energy heating system based on wind, light and geothermal coupling, comprising:
the first heat exchange medium in the shallow buried pipe can absorb shallow geothermal heat;
a solar heat collector, the second heat exchange medium of which is capable of absorbing solar energy;
the first heat exchanger is communicated with the solar heat collector and the shallow buried pipe and is used for realizing heat exchange between the first heat exchange medium and the second heat exchange medium, and the first heat exchange medium after heat exchange is used for heating backwater;
the heat recovery device comprises a middle-deep geothermal heat recovery device, wherein a third heat exchange medium in the middle-deep geothermal heat recovery device is used for absorbing middle-deep geothermal heat, and the middle-deep geothermal heat recovery device heats heating return water.
Preferably, in the comprehensive energy heating system based on wind, light and geothermal coupling, a low-grade heat source generating set is further included,
the low-grade heat source power generation device is connected with the middle-deep geothermal heat taking device through a second heat exchanger and is used for converting the middle-deep geothermal heat into electric energy.
Preferably, in the comprehensive energy heating system based on wind, light and geothermal coupling, an electric heating device is further included, and the electric heating device is used for heating the heating backwater.
Preferably, in the above comprehensive energy heating system based on wind, light and geothermal coupling, a wind power generation device is further included, and the wind power generation device is connected to the electric heating device and is used for supplying the generated electric energy to the electric heating device.
Preferably, in the above comprehensive energy heating system based on wind, light and geothermal coupling, a photovoltaic power generation device is further included, and the photovoltaic power generation device is connected with the electric heating device and is used for supplying the generated electric energy to the electric heating device.
Preferably, in the above comprehensive energy heating system based on wind, light and geothermal coupling, a storage battery is further included, the storage battery can be connected with the wind power generation device and/or the photovoltaic power generation device and is used for storing electric energy generated by the wind power generation device and/or the photovoltaic power generation device, and the storage battery can be connected with the electric heating device.
Preferably, in the above comprehensive energy heating system based on wind, light and geothermal coupling, a spike heater is further included, and the spike heater is used for sending the heating backwater to a user.
Preferably, in the above comprehensive energy heating system based on wind, light and geothermal coupling, the shallow buried pipe heats the heating return water through a first heat pump.
Preferably, in the above comprehensive energy heating system based on wind, light and geothermal coupling, the intermediate-deep geothermal heat-extraction device heats the heating return water by a second heat pump.
Preferably, in the above comprehensive energy heating system based on wind, light and geothermal coupling, the first heat pump and the second heat pump are electric heat pumps or gas heat pumps.
According to the comprehensive energy heating system based on wind, light and geothermal coupling, a shallow buried pipe collects a first heat exchange medium in the shallow geothermal heating buried pipe, the first heat exchange medium is introduced into a first heat exchanger, a solar heat collector collects solar energy to heat a second heat exchange medium, the second heat exchange medium is introduced into the first heat exchanger, the second heat exchange medium heats the first heat exchange medium, and the first heat exchange medium heats heating backwater through a first heat pump after heat exchange; the middle-deep geothermal heat taking device absorbs the middle-deep geothermal heat by adopting a heat taking and water non-taking technology, part of the middle-deep geothermal heat absorbed by the middle-deep geothermal heat taking device secondarily heats heating return water by the second heat pump, and the secondarily heated heating return water is supplied to a user. The application discloses comprehensive energy heating system based on scene geothermol power coupling utilizes solar energy, shallow layer geothermol power and middle and deep layer geothermol power combination to heat the heating return water, and middle and deep layer geothermol power can compensate the heat that gives the heating return water through first heat transfer medium when illumination is not enough, guarantees the continuity and the stability of new forms of energy heat supply.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 examples or embodiments of the present application, and that for a person skilled in the art, other drawings can be obtained from the provided drawings without inventive effort, and that the present application can also be applied to other similar scenarios from the provided drawings. Unless otherwise apparent from the context, or otherwise indicated, like reference numbers in the figures refer to the same structure or operation.
Fig. 1 is a structural diagram of an integrated energy heating system based on wind, light and geothermal coupling according to the present application.
The drawings illustrate the following:
1. the solar energy heat collection system comprises a shallow buried pipe, 2, a first heat exchanger, 3, a solar heat collector, 4, a first heat pump, 5, a middle-deep geothermal heat collection device, 6, a second heat exchanger, 7, a low-grade heat source power generation device, 8, a second heat pump, 9, a photovoltaic power generation device, 10, a wind power generation device, 11, a storage battery, 12, an electric heating device, 13 and a peak heater.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. The described embodiments are only some embodiments of the present application and 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.
It should be noted that, for the convenience of description, only the portions related to the related applications are shown in the drawings. The embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be understood that "device," "apparatus," "unit" and/or "module" as used herein is a method for distinguishing different components, elements, parts, portions or assemblies at different levels. However, other words may be substituted by other expressions if they accomplish the same purpose.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements. An element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Flow charts are used herein to illustrate operations performed by an apparatus according to embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, the various steps may be processed in reverse order or simultaneously. Meanwhile, other operations may be added to the processes, or a certain step or several steps of operations may be removed from the processes.
Please refer to FIG. 1
Some embodiments of the application disclose a comprehensive energy heating system based on wind-solar-geothermal coupling, which comprises a shallow-layer buried pipe 1, a solar heat collector 3, a first heat exchanger 2 and a middle-deep-layer geothermal heat-taking device 5.
Wherein, the first heat exchange medium in the shallow buried pipe 1 absorbs shallow geothermal heating;
the second heat exchange medium in the solar heat collector 3 absorbs solar energy for heating;
the first heat exchanger 2 is communicated with the solar heat collector 3 and the shallow buried pipe 1 and is used for realizing heat exchange between a first heat exchange medium and a second heat exchange medium, and the first heat exchange medium after heat exchange is used for heating return water;
the third heat exchange medium in the middle-deep geothermal heat-taking device 5 can absorb the middle-deep geothermal heat, and the middle-deep geothermal heat-taking device 5 is used for heating return water.
After absorbing shallow geothermal heat, the first heat exchange medium in the shallow buried pipe 1 enters the first heat exchanger 2, and after absorbing solar energy, the second heat exchange medium in the solar heat collector 3 also enters the first heat exchanger 2, the temperature of the first heat exchange medium heated by the shallow geothermal heat is relatively low, the second heat exchange medium in the solar heat collector 3 needs to be heated by the first heat exchanger 2, the first heat exchange medium is heated, and the heated first heat exchange medium heats heating return water.
Shallow geothermal refers to a thermal energy resource with a temperature below 25 ℃ in the depth range below the earth surface (generally, a constant temperature zone to 200m buried depth).
The energy source of the shallow geothermal heat is mainly solar radiation and earth gradient temperature rise, so the shallow geothermal heat can be influenced by illumination to a certain extent, and meanwhile, the solar heat collector 3 heats the second heat exchange medium.
No matter the first heat exchange medium absorbs shallow geothermal heat, or the second heat exchange medium absorbs solar energy, the solar energy can be influenced by illumination.
In order to reduce the influence of illumination on the heating effect of heating return water, the comprehensive energy heating system based on the wind-solar-geothermal coupling disclosed by the application further comprises a middle-deep geothermal heat-taking device 5, wherein the middle-deep geothermal heat-taking device 5 is used for absorbing middle-deep geothermal heat, and the middle-deep geothermal heat-taking device 5 can carry out secondary heating on the heating return water.
The heat of the intermediate-deep geothermal heat is higher than that of the first heat exchange medium after heat exchange, and secondary heating can be performed on heating return water.
The intermediate geothermal energy is renewable heat energy stored in the earth, is generally distributed at the edge of a structural plate and originates from decay of molten magma and radioactive substances of the earth, so the intermediate geothermal energy is not influenced by external environments such as illumination and the like and can provide stable heat energy.
According to the comprehensive energy heating system based on wind, light and geothermal coupling, a shallow-layer buried pipe 1 collects a first heat exchange medium in a shallow-layer geothermal heating buried pipe, the first heat exchange medium is introduced into a first heat exchanger 2, a solar heat collector 3 collects solar energy to heat a second heat exchange medium, the second heat exchange medium is introduced into the first heat exchanger 2, the second heat exchange medium heats the first heat exchange medium, and the first heat exchange medium heats heating backwater through a first heat pump 4 after heat exchange;
the middle-deep geothermal heat taking device 5 absorbs the middle-deep geothermal heat by adopting a heat taking and water non-taking technology, a part of the middle-deep geothermal heat absorbed by the middle-deep geothermal heat taking device 5 secondarily heats heating return water by the second heat pump 8, and the secondarily heated heating return water is supplied to a user.
The application discloses comprehensive energy heating system based on scene geothermol power coupling utilizes solar energy, shallow layer geothermol power and middle and deep layer geothermol power combination to heat the heating return water, and middle and deep layer geothermol power can compensate the heat that gives the heating return water through first heat transfer medium when illumination is not enough, guarantees the continuity and the stability of new forms of energy heat supply.
The comprehensive energy heating system based on wind, light and geothermal coupling further comprises a low-grade heat source power generation device 7.
When the heating load is low, the middle-deep geothermal heat absorbed by the middle-deep geothermal heat-taking device 5 is not fully used for heating return water, the low-grade heat source generating device 7 is connected with the middle-deep geothermal heat-taking device 5 through the second heat exchanger 6, and the low-grade heat source generating device 7 is used for converting part of heat of the middle-deep geothermal heat absorbed by the middle-deep geothermal heat-taking device 5 into electric energy, so that the utilization rate of the middle-deep geothermal heat is improved.
When the heating load is high, the middle-deep geothermal heat absorbed by the middle-deep geothermal heat-taking device 5 can be fully used for heating return water, and at the moment, the low-grade heat source power generation device 7 does not convert the middle-deep geothermal heat into electric energy or reduces the amount of the middle-deep geothermal heat converted into the electric energy.
The intermediate-deep geothermal heat-extraction device 5 is a common intermediate-deep geothermal heat-extraction device 5 in the prior art, and will not be described in detail here.
In some embodiments of the present application, the low-grade heat source power generation device 7 is an organic rankine cycle power generation device.
The first heat exchange medium and the second heat exchange medium can be the same heat exchange medium or different heat exchange media. Preferably, the first heat exchange medium and the second heat exchange medium are water.
The comprehensive energy heating system based on the wind-light-geothermal coupling further comprises an electric heating device 12, and the electric heating device 12 is used for heating backwater.
In this embodiment, the heat supply backwater is heated for the first time by the first heat exchange medium after heat exchange, the heat supply backwater is heated for the second time by the middle-deep geothermal heat-taking device 5, and the heat supply backwater is heated for the third time by the electric heating device 12 to meet the heat supply requirement.
When the heating load is increased, the heating electric heating device 12 is required to heat the heating backwater, so that the stability and the continuity of heating are further enhanced.
The electric heating equipment can be connected with the power generation device, and the electric energy generated by the power generation device can be directly used on the electric heating equipment.
In some embodiments of the present application, the electric heating device is an electric heating stove.
Preferably, the heating return water is sent to the user through a spike heater 13. In the north with a large heating heat load, the peak heater 13 realizes the heating quality of the area with a large heating load.
The application discloses comprehensive energy heating system based on scene geothermol power coupling realizes just heating the heating return water through shallow geothermal, middle and deep geothermal, solar energy and electric energy, can not produce the oxidation tower in the heating process of heating return water, can effectively reduce the carbon dioxide emission that the heat supply brought.
In addition, the electric energy can be generated by wind power or solar energy, and can replace coal power generation, so that the carbon dioxide emission caused by heat supply is further reduced, and the wind energy and the solar energy are utilized.
The electric heating device 12 can be connected with commercial power or a low-grade heat source generating device 7.
In some embodiments of the present application, the integrated energy heating system based on wind, light and geothermal coupling further comprises a wind power generation device 10, and the wind power generation device 10 is connected with an electric heating device for supplying electric energy converted from wind energy to the electric heating device 12.
Wind energy is kinetic energy generated by air flow of a crossbeam on the earth surface, and belongs to clean energy.
The wind power generator 10 referred to in the present application is a wind power generator 10 commonly used in the prior art, and will not be described in detail herein.
In some embodiments of the present application, the integrated energy heating system based on wind, light and geothermal coupling further comprises a photovoltaic power generation device 9, the photovoltaic power generation device 9 is connected with the electric heating device 12, and the photovoltaic power generation device 9 is used for supplying electric energy converted from solar energy to the electric heating device 12.
The photovoltaic power generation device 9 referred to in the present application is a wind power generation device 10 commonly used in the prior art, and will not be described in detail here.
The comprehensive energy heating system based on wind, light and geothermal coupling can only be provided with the wind power generation device 10, can also be provided with the photovoltaic power generation device 9, and can also be provided with the wind power generation device 10 and the photovoltaic power generation device 9 at the same time.
The utility model discloses a comprehensive energy heating system based on scene geothermol power coupling still includes battery 11, and battery 11 can be stored the electric energy that wind power generation set 10 and photovoltaic power generation set 9 produced, and when photovoltaic power generation set 9 did not produce the electric energy and/or the less wind power generation set 10 of wind-force did not produce the electric energy night, battery 11 can supply power to electric heating device 12 to satisfy electric heating device 12's power consumption demand.
The comprehensive energy heating system based on wind, light and geothermal coupling can realize comprehensive utilization of solar energy, wind energy and geothermal energy, wherein the solar energy can be used for heating a second heat exchange medium and can also be used for power generation.
Geothermal energy is coupled with solar energy and wind energy, heat supply is carried out through coordination and complementation among different forms of energy, the clean heat supply capacity of the comprehensive energy heat supply system based on wind-light geothermal coupling can be improved, the flexibility of heat supply of the comprehensive energy heat supply system based on the wind-light geothermal coupling is improved by matching the storage battery 11 and the low-grade heat source power generation device 7, and a zero-carbon heat supply system is created.
Preferably, the shallow buried pipe 1 heats the heating backwater through the first heat pump 4;
the middle-deep geothermal heat-taking device 5 heats heating backwater through the second heat pump 8.
The first heat pump 4 and the second heat pump 8 can be electric heat pumps or gas heat pumps, wherein the electric heat pumps are driven by electric energy, and the gas heat pumps are driven by gas. In embodiments where the first heat pump 4 and the second heat pump 8 are electric heat pumps, the power generation device may supply power to the first heat pump 4 and the second heat pump 8, the wind power generation device 10 may supply power to the first heat pump 4 and the second heat pump 8, and the photovoltaic power generation device 9 may supply power to the first heat pump 4 and the second heat pump 8.
In the initial stage and the final stage of heat supply, the heat supply load of the comprehensive energy heat supply system based on wind, light and geothermal coupling is low, and the heating return water is heated by utilizing shallow geothermal heat, middle and deep geothermal heat and solar energy;
when the heating load is increased, the electric heating device 12 is added to improve the heating capacity;
when the photovoltaic power generation device 9 does not generate electric energy and/or the wind power generation device 10 with small wind power does not generate electric energy at night, the storage battery 11 can supply power to the electric heating device 12;
when the heat supply load is further increased, the low-grade heat source generating device 7 is closed, so that the heat supply capacity of the comprehensive energy heat supply system based on wind, light and geothermal coupling is further improved.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, which include both non-transitory and non-transitory, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, apparatus or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above description is only for the purpose of illustrating the preferred embodiments of the present application and the technical principles applied, and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. The scope of the application referred to in the present application is not limited to the specific combinations of the above-mentioned features, and it is intended to cover other embodiments in which the above-mentioned features or their equivalents are arbitrarily combined without departing from the spirit of the application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (10)

1. A comprehensive energy heating system based on wind, light and geothermal coupling is characterized by comprising:
the system comprises a shallow buried pipe (1), wherein a first heat exchange medium of the shallow buried pipe (1) can absorb shallow geothermal heat;
a solar heat collector (3), wherein a second heat exchange medium in the solar heat collector (3) can absorb solar energy;
the first heat exchanger (2) is communicated with the solar heat collector (3) and the shallow buried pipe (1) and is used for realizing heat exchange between the first heat exchange medium and the second heat exchange medium, and the first heat exchange medium after heat exchange is used for heating return water;
the medium-deep geothermal heat-taking device (5), a third heat exchange medium in the medium-deep geothermal heat-taking device (5) can absorb medium-deep geothermal heat, and the medium-deep geothermal heat-taking device (5) heats the heating return water.
2. The comprehensive energy heating system based on wind, light and geothermal coupling is characterized by further comprising a low-grade heat source power generation device (7),
the low-grade heat source power generation device (7) is connected with the middle-deep geothermal heat taking device (5) through a second heat exchanger (6), and the low-grade heat source power generation device (7) is used for converting the middle-deep geothermal heat into electric energy.
3. The comprehensive energy heating system based on wind, light and geothermal coupling is characterized by further comprising an electric heating device (12), wherein the electric heating device (12) is used for heating the heating backwater.
4. The integrated energy heating system based on wind, light and geothermal coupling according to claim 3, further comprising a wind power generation device (10), wherein the wind power generation device (10) is connected with the electric heating device (12), and the wind power generation device (10) is used for supplying the generated electric energy to the electric heating device (12).
5. The integrated energy heating system based on wind, light and geothermal coupling according to claim 4, further comprising a photovoltaic power generation device (9), wherein the photovoltaic power generation device (9) is connected with the electric heating device (12), and the photovoltaic power generation device (9) is used for supplying the generated electric energy to the electric heating device (12).
6. The integrated energy heating system based on wind, light and geothermal coupling according to claim 5, further comprising a storage battery (11), wherein the storage battery (11) is connectable with the wind power generation device (10) and/or the photovoltaic power generation device (9) for storing the electric energy generated by the wind power generation device (10) and/or the photovoltaic power generation device (9), and wherein the storage battery (11) is connectable with the electric heating device (12).
7. The integrated energy heating system based on wind, light and geothermal coupling according to claim 1, further comprising a spike heater (13), wherein the spike heater (13) is used for sending the heating backwater to a user.
8. The comprehensive energy heating system based on wind, light and geothermal coupling according to claim 1, wherein the shallow buried pipe (1) heats the heating return water through a first heat pump (4).
9. The comprehensive energy heating system based on wind, light and geothermal coupling according to claim 8, wherein the medium-deep geothermal heat-taking device (5) heats the heating return water through a second heat pump (8).
10. The integrated energy heating system based on wind, light and geothermal coupling according to claim 9, wherein the first heat pump (4) and the second heat pump (8) are electric heat pumps or gas heat pumps.
CN202123137572.9U 2021-12-14 2021-12-14 Comprehensive energy heating system based on wind, light and geothermal coupling Active CN216481195U (en)

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