Geothermal energy collecting device

Abstract

The utility model relates to the technical field of geothermal energy, in particular to a geothermal energy collecting device which comprises a near surface layer, a geothermal energy collecting mechanism installed in an inner cavity of the near surface layer, a storage tank installed at the output end of the geothermal energy collecting mechanism, a first connecting pipe installed on the surface of the storage tank, and a pressure release valve installed at one end of the first connecting pipe. A first exhaust pipe is mounted at one end of the pressure release valve, a waste heat exchanger is mounted at the near-surface top end of one end of the first exhaust pipe, a heat pump is mounted at the near-surface top end of one side of the waste heat exchanger, a second connecting pipe is mounted at the top ends of the waste heat exchanger and the heat pump, and a conveying pipe is mounted on one side of the heat pump; according to the solar energy heat pump system, heat energy which needs to be wasted originally is converted into heat supply or a heating water source of nearby buildings to achieve hot water supply, energy waste is reduced, and meanwhile environmental pollution is reduced.

Description

Technical Field

[0001] The utility model relates to the field of geothermal energy, in particular to a geothermal energy collecting device. Background Art

[0002] Geothermal energy is renewable thermal energy from deep in the earth, and the collection device is mainly used to collect and utilize geothermal energy;

[0003] A Chinese patent publication (publication number: CN217979340U) discloses a heat collection device for utilizing geothermal energy, comprising a near-surface layer, a heat recovery box is fixedly connected to the right side of the top of the near-surface layer, an air pump is installed on the top of the heat recovery box by bolts, the air outlet end of the air pump penetrates the inner cavity of the heat recovery box and is connected to an air outlet pipe, and the air inlet end of the air pump is connected to a guide pipe;

[0004] This geothermal energy utilization heat collection device solves the problems of the existing heat collection devices in the process of use, which are usually simple in structure for geothermal energy collection and cannot prevent heat loss during heat collection. However, the collection device often relies on external power supply, which not only increases the operating cost, but also may affect the continuous collection of the device when the external power supply is unstable. In addition, the waste heat generated in the geothermal energy collection process is usually directly discharged into the environment, which not only causes energy waste, but also may cause thermal pollution to the environment. Utility Model Content

[0005] The purpose of the utility model is to provide a geothermal energy collection device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a geothermal energy collection device, including a near-surface layer, an inner cavity of the near-surface layer is installed with a geothermal energy collection mechanism, an output end of the geothermal energy collection mechanism is installed with a storage tank, a first connecting pipe is installed on the surface of the storage tank, a pressure relief valve is installed at one end of the first connecting pipe, a first exhaust pipe is installed at one end of the pressure relief valve, a waste heat exchanger is installed at the top of the near-surface layer of one end of the first exhaust pipe, a heat pump is installed at the top of the near-surface layer of one side of the waste heat exchanger, a second connecting pipe is installed together with the top of the waste heat exchanger and the heat pump, and a delivery pipe is installed on one side of the heat pump; a solar panel is installed at the top of the near-surface layer on the outside of the heat pump, and a battery is installed at the top of the near-surface layer on the outside of the solar panel.

[0007] Preferably, the geothermal energy collection mechanism comprises a first heat conduction tube, a support plate, a second heat conduction tube, a heat conductive sheet, a cover plate, a water injection pipe, an air outlet pipe and an air pump; the inner cavity of the near-surface layer is provided with the first heat conduction tube, the inner cavity of the first heat conduction tube is provided with a plurality of support plates, the inner cavity of the support plate is provided with the second heat conduction tube, the surface of the second heat conduction tube is provided with a plurality of heat conductive sheets, the surface of the second heat conduction tube at the top of the near-surface layer is provided with a cover plate, one end of the cover plate is provided with a water injection pipe, one end of the second heat conduction tube is provided with an air outlet pipe, one end of the air outlet pipe is provided with an air pump, and the output end of the air pump is connected to one end of the storage tank.

[0008] Preferably, a second exhaust pipe is installed on the surface of the storage tank outside the first connecting pipe.

[0009] Preferably, a plurality of circular holes are formed at one end of the support plate.

[0010] Preferably, valves are installed in the inner cavities of the delivery pipe, the water injection pipe and the second exhaust pipe.

[0011] Preferably, the solar panel is electrically connected to a storage battery, and the storage battery is electrically connected to a waste heat exchanger, a heat pump and an air extraction pump.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model converts the heat energy which originally needs to be discarded into heating for nearby buildings or heating water sources to achieve hot water supply, which not only reduces energy waste but also reduces environmental pollution.

[0014] The utility model utilizes solar panels to store electrical energy during periods of sufficient sunlight, and provides electricity for geothermal energy collection devices during off-peak periods, thereby achieving efficient recycling of energy, significantly reducing the consumption of traditional energy, and helping to save resources and reduce energy costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is the front view of the utility model;

[0018] Figure 3 It is a cross-sectional view of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the second exhaust pipe of the utility model.

[0020] In the figure: 1, near the surface; 2, storage tank; 201, first connecting pipe; 202, pressure relief valve; 203, first exhaust pipe; 204, waste heat exchanger; 205, heat pump; 206, second connecting pipe; 207, delivery pipe; 3, solar panel; 301, battery; 4, first heat transfer pipe; 401, support plate; 402, second heat transfer pipe; 403, heat conductive sheet; 404, cover plate; 405, water injection pipe; 406, air outlet pipe; 407, vacuum pump; 5, second exhaust pipe; 6, round hole; 7, valve. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0022] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0023] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through an intermediate structure, but are connected to form a whole only through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0026] Embodiment 1

[0027] See also Figures 1 to 4 The utility model provides a technical solution: a geothermal energy collection device, comprising a near-surface layer 1, a geothermal energy collection mechanism is installed in the inner cavity of the near-surface layer 1, a storage tank 2 is installed at the output end of the geothermal energy collection mechanism, a first connecting pipe 201 is installed on the surface of the storage tank 2, a pressure relief valve 202 is installed at one end of the first connecting pipe 201, a first exhaust pipe 203 is installed at one end of the pressure relief valve 202, a waste heat exchanger 204 is installed at the top of the near-surface layer 1 at one end of the first exhaust pipe 203, a heat pump 205 is installed at the top of the near-surface layer 1 on one side of the waste heat exchanger 204, a second connecting pipe 206 is installed at the top of the waste heat exchanger 204 and the heat pump 205, and a delivery pipe 207 is installed at one side of the heat pump 205;

[0028] When the pressure in the inner cavity of the storage tank 2 is too high or waste gas is generated, the pressure relief valve 202 will automatically open, and the waste heat exchanger 204 will recycle the waste heat generated in the process of geothermal energy collection through the first connecting pipe 201 and the first exhaust pipe 203, and transmit it to the heat pump 205 through the second connecting pipe 206. The heat pump 205 will increase the low-temperature waste heat to a temperature that can be used for heating or hot water, or convert it into electrical energy and transmit it to the battery 301 for storage. At this time, the delivery pipe 207 can be opened to transmit the increased waste heat to nearby buildings to achieve heating or heat the water source to form hot water supply;

[0029] A solar panel 3 is installed on the top of the near-surface layer 1 outside the heat pump 205, and a storage battery 301 is installed on the top of the near-surface layer 1 outside the solar panel 3;

[0030] By setting up the solar panel 3, the solar panel 3 is responsible for collecting solar energy under lighting conditions and converting it into electrical energy, which is transmitted to the battery 301 through the line for storage, so as to provide the geothermal energy collection device with electricity demand during non-peak hours.

[0031] Embodiment 2

[0032] On the basis of the first embodiment, the geothermal energy collection mechanism comprises a first heat transfer tube 4, a support plate 401, a second heat transfer tube 402, a heat conductive sheet 403, a cover plate 404, a water injection pipe 405, an air outlet pipe 406 and an air pump 407. The inner cavity of the near-surface layer 1 is provided with the first heat transfer tube 4, the inner cavity of the first heat transfer tube 4 is provided with a plurality of support plates 401, the inner cavity of the support plate 401 is provided with the second heat transfer tube 402, the surface of the second heat transfer tube 402 is provided with a plurality of heat conductive sheets 403, the surface of the second heat transfer tube 402 at the top of the near-surface layer 1 is provided with a cover plate 404, one end of the cover plate 404 is provided with a water injection pipe 405, one end of the second heat transfer tube 402 is provided with an air outlet pipe 406, one end of the air outlet pipe 406 is provided with an air pump 407, and the output end of the air pump 407 is connected to one end of the storage tank 2;

[0033] First, connect a water pipe to the water injection pipe 405, and inject water into the inner cavity of the first heat transfer tube 4. After the water is injected, the ground heat heats the first heat transfer tube 4, and the first heat transfer tube 4 heats the water. The heated water heats the second heat transfer tube 402, so that the inner cavity of the second heat transfer tube 402 generates heat. At the same time, due to the provision of the heat conductive sheet 403, the heat generation can be accelerated. At this time, the vacuum pump 407 is turned on during use, and the heat in the inner cavity of the second heat transfer tube 402 can be pumped into the inner cavity of the storage tank 2 through the outlet pipe 406 for storage.

[0034] Embodiment 3

[0035] On the basis of the first embodiment, a second exhaust pipe 5 is installed on the surface of the storage tank 2 outside the first connecting pipe 201;

[0036] By providing the second exhaust pipe 5 and opening the valve 7 in the inner cavity of the second exhaust pipe 5 , the heat in the inner cavity of the storage tank 2 can be discharged.

[0037] Embodiment 4

[0038] On the basis of the second embodiment, a plurality of circular holes 6 are formed at one end of the support plate 401;

[0039] The circular hole 6 is provided to mainly prevent the support plate 401 from affecting the flow rate of the water when it enters the inner cavity of the first heat transfer tube 4 .

[0040] Embodiment 5

[0041] On the basis of the first embodiment, the delivery pipe 207, the water injection pipe 405 and the inner cavity of the second exhaust pipe 5 are all installed with valves 7;

[0042] By setting the valve 7, the valve 7 is mainly used to control the opening and closing of the inner cavity of the delivery pipe 207, the water injection pipe 405 and the second exhaust pipe 5.

[0043] Embodiment 6

[0044] On the basis of the first embodiment, the solar panel 3 is electrically connected to the battery 301, and the battery 301 is electrically connected to the waste heat exchanger 204, the heat pump 205 and the air pump 407;

[0045] By electrically connecting the solar panel 3 to the battery 301 , the solar panel 3 transmits the converted electrical energy to the battery 301 for storage and use by the device;

[0046] By electrically connecting the storage battery 301 to the waste heat exchanger 204 , the heat pump 205 and the air extraction pump 407 , the storage battery 301 can provide the waste heat exchanger 204 , the heat pump 205 and the air extraction pump 407 with the required electrical energy.

[0047] When the utility model is in use, when the pressure in the inner cavity of the storage tank 2 is too high or waste gas is generated, the pressure relief valve 202 will automatically open, and the waste heat exchanger 204 will recycle the waste heat generated in the process of geothermal energy collection through the first connecting pipe 201 and the first exhaust pipe 203, and transmit it to the heat pump 205 through the second connecting pipe 206. The heat pump 205 will increase the low-temperature waste heat to a temperature that can be used for heating or hot water, or convert it into electrical energy and transmit it to the battery 301 for storage. At this time, the delivery pipe 207 can be opened to transmit the increased waste heat to nearby buildings to achieve heating or heat the water source to form hot water supply. At the same time, during non-peak hours, the solar panel 3 starts to work, converts the collected solar energy into electrical energy, and stores it in the battery 301. When geothermal energy collection is needed, the battery 301 supplies power to the device to make it work.

[0048] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0049] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A geothermal energy collection device, comprising a near-surface layer (1), wherein a geothermal energy collection mechanism is installed in the inner cavity of the near-surface layer (1), characterized in that: A storage tank (2) is installed at the output end of the geothermal energy collection mechanism, a first connecting pipe (201) is installed on the surface of the storage tank (2), a pressure relief valve (202) is installed at one end of the first connecting pipe (201), a first exhaust pipe (203) is installed at one end of the pressure relief valve (202), a waste heat exchanger (204) is installed at the top of the near-surface layer (1) at one end of the first exhaust pipe (203), a heat pump (205) is installed at the top of the near-surface layer (1) on one side of the waste heat exchanger (204), a second connecting pipe (206) is installed at the top of the waste heat exchanger (204) and the heat pump (205), and a delivery pipe (207) is installed on one side of the heat pump (205); A solar panel (3) is installed at the top of the near-surface layer (1) outside the heat pump (205), and a storage battery (301) is installed at the top of the near-surface layer (1) outside the solar panel (3).

2. A geothermal energy collection device according to claim 1, characterized in that: The geothermal energy collection mechanism comprises a first heat transfer tube (4), a support plate (401), a second heat transfer tube (402), a heat conducting sheet (403), a cover plate (404), a water injection pipe (405), an air outlet pipe (406) and an air pump (407); the inner cavity of the near-surface layer (1) is provided with the first heat transfer tube (4); the inner cavity of the first heat transfer tube (4) is provided with a plurality of support plates (401); the inner cavity of the support plate (401) is provided with the second heat transfer tube (402); A plurality of heat conducting plates (403) are installed on the surface of the second heat conducting tube (402); a cover plate (404) is installed on the surface of the second heat conducting tube (402) at the top of the near-surface layer (1); a water injection pipe (405) is installed at one end of the cover plate (404); an air outlet pipe (406) is installed at one end of the second heat conducting tube (402); an air pump (407) is installed at one end of the air outlet pipe (406); and an output end of the air pump (407) is connected to one end of the storage tank (2).

3. A geothermal energy collection device according to claim 1, characterized in that: A second exhaust pipe (5) is installed on the surface of the storage tank (2) outside the first connecting pipe (201).

4. A geothermal energy collection device according to claim 2, characterized in that: One end of the support plate (401) is provided with a plurality of circular holes (6).

5. A geothermal energy collection device according to claim 1, characterized in that: The inner cavities of the delivery pipe (207), the water injection pipe (405) and the second exhaust pipe (5) are all equipped with valves (7).

6. A geothermal energy collection device according to claim 1, characterized in that: The solar panel (3) is electrically connected to a storage battery (301), and the storage battery (301) is electrically connected to a waste heat exchanger (204), a heat pump (205), and an air extraction pump (407).

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