CN114216276A - Hot dry rock water circulating system - Google Patents
Hot dry rock water circulating system Download PDFInfo
- Publication number
- CN114216276A CN114216276A CN202111535047.4A CN202111535047A CN114216276A CN 114216276 A CN114216276 A CN 114216276A CN 202111535047 A CN202111535047 A CN 202111535047A CN 114216276 A CN114216276 A CN 114216276A
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- reservoir
- hot dry
- water
- dry rock
- purification
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000011435 rock Substances 0.000 title claims abstract description 74
- 238000000746 purification Methods 0.000 claims abstract description 58
- 238000010248 power generation Methods 0.000 claims abstract description 14
- 239000002351 wastewater Substances 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 7
- 238000005189 flocculation Methods 0.000 claims description 4
- 230000016615 flocculation Effects 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001728 nano-filtration Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/20—Geothermal collectors using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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 invention discloses a hot dry rock water circulation system, and belongs to the field of hot dry rock application. The method comprises the following steps: the injection wells and the water pumping wells are positioned at two ends of the hot dry rock fracturing area, the injection wells are used for injecting cooling water into the hot dry rock fracturing area, and the water pumping wells are used for guiding water vapor heated by the hot dry rock fracturing area to the input end of the power generation equipment; the system comprises an aboveground purification reservoir and an underground purification reservoir, wherein an inlet of the aboveground purification reservoir is communicated with a wastewater output port of the power generation equipment through a wastewater output pipeline; and the outlet of the above-ground purification reservoir is communicated with the inlet of the underground purification reservoir, and the outlet of the underground purification reservoir is communicated with the injection well. The invention ensures the recycling requirement of water resources in the development process of the hot dry rock and ensures the water quality requirement in the exploitation process of the hot dry rock.
Description
Technical Field
The invention relates to the technical field of development of heat of hot dry rocks, in particular to a hot dry rock water circulation system.
Background
The development and utilization of clean energy become key problems which are urgently needed to be solved in China, wherein the development of the hot dry rock is an important way for achieving the aim. The hot dry rock is a high-temperature rock body which has the temperature of more than 200 ℃ and the buried depth of thousands of meters and has no fluid or a small amount of underground fluid inside. The composition of the rock mass can vary greatly, and most of the rock mass is medium-acidity invaded rock from the middle generation, but also can be medium-new generation metamorphic rock, and even massive sedimentary rock with huge thickness. Hot dry rock is used primarily to extract heat from its interior, and therefore its primary industrial indicator is the temperature of the interior of the rock mass. A large amount of water resources are needed to convert heat in the development process of the hot dry rock, and the problem of clean utilization of the water resources is inevitably solved in the conversion process.
Based on this, the present application is proposed.
Disclosure of Invention
Therefore, the invention provides a hot dry rock water circulation system which can be injected into hot dry rocks again after multi-stage purification and cooling.
In order to solve the technical problems, the invention provides the following technical scheme:
a hot dry rock water circulation system comprising: the injection wells and the water pumping wells are positioned at two ends of the hot dry rock fracturing area, the injection wells are used for injecting cooling water into the hot dry rock fracturing area, and the water pumping wells are used for guiding water vapor heated by the hot dry rock fracturing area to the input end of the power generation equipment; the system comprises an aboveground purification reservoir and an underground purification reservoir, wherein an inlet of the aboveground purification reservoir is communicated with a wastewater output port of the power generation equipment through a wastewater output pipeline; and the outlet of the above-ground purification reservoir is communicated with the inlet of the underground purification reservoir, and the outlet of the underground purification reservoir is communicated with the injection well.
In some embodiments of the invention, the above-ground purification reservoir comprises a first stage reservoir for wastewater flocculation and precipitation treatment.
In some embodiments of the present invention, the above-ground purification reservoir includes a second-stage reservoir, an inlet of the second-stage reservoir is communicated with an outlet of the first-stage reservoir, and the second-stage reservoir is provided with a magnetic purification and separation device for adsorbing suspended matters and heavy metal ions.
In some embodiments of the present invention, the magnetic purification and separation apparatus includes a magnetic chuck located at the bottom of the reservoir, and a plurality of filter frames mounted on the magnetic chuck, and a filter screen is detachably connected in the filter frames.
In some embodiments of the invention, the above-ground purification reservoir comprises a third stage reservoir, an inlet of the third stage reservoir is communicated with an outlet of the second stage reservoir, and the third stage reservoir is provided with a membrane separation device.
In some embodiments of the present invention, a water quality detection device is disposed on the water outlet pipeline of the third stage reservoir.
In some embodiments of the present invention, the system further includes a backflow pipeline, one end of the backflow pipeline is connected to the outlet of the third-stage reservoir, the other end of the backflow pipeline is connected to the inlet of the first-stage reservoir, and a water pump is disposed on the backflow pipeline and is used for pumping the outlet water of the third-stage reservoir into the first-stage reservoir.
In some embodiments of the present invention, an electromagnetic valve is disposed at an inlet of the underground purification reservoir, and a control system controls the electromagnetic valve and the water pump to be opened or closed according to a detection result of the water quality detection device.
In some embodiments of the present invention, a purification rock stratum is laid in the underground purification reservoir, and the granularity of the purification rock stratum varies from coarse to fine along the direction from the inlet to the outlet of the underground purification reservoir.
In some embodiments of the invention, the system further comprises a dry hot rock temperature monitoring well and an underground reservoir monitoring well, wherein a first temperature detection device is arranged at a wellhead of the dry hot rock temperature monitoring well and is used for detecting the temperature at the wellhead of the dry hot rock temperature monitoring well; and a second temperature detection device is arranged at the wellhead of the underground reservoir monitoring well and is used for detecting the temperature at the wellhead of the underground reservoir monitoring well.
Compared with the prior art, the technical scheme of the invention has the following technical effects:
according to the hot dry rock water circulation system, aiming at the problems of water resource recycling, water quality guarantee and the like in the hot dry rock development process, the water resource recycling in the hot dry rock exploitation process is realized through the combined purification and cooling processes of the underground reservoir and the above-ground reservoir, the self-purification effect of the ground reservoir and the surface reservoir on the water resource is fully utilized through certain manual interference, the water resource after power generation is filtered and cooled through the reservoir, the aim of continuous injection into the hot dry rock for repeated use is fulfilled, the recycling demand of the water resource in the hot dry rock development process is met, and the water quality requirement in the hot dry rock exploitation process is met.
Drawings
The objects and advantages of the present invention will be understood by the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a dry hot rock water circulation system according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of the water purification section of the hot dry rock water circulation system according to one embodiment of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of the second-stage reservoir of the dry hot rock water circulation system of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 shows a specific embodiment of the dry hot rock water circulation system provided by the present invention, which includes: an injection well 11 and a suction well 14 which are positioned at two ends of the hot dry rock fracturing area 12, wherein the injection well 11 is used for injecting cooling water into the hot dry rock fracturing area 12, and the suction well 14 guides the water vapor heated by the hot dry rock fracturing area 12 to the input end of the power generation equipment 1; an inlet of the above-ground purification reservoir is communicated with a wastewater outlet of the power generation equipment 1 through a wastewater output pipeline; the outlet of the above-ground purification reservoir is communicated with the inlet of the underground purification reservoir 9, and the outlet of the underground purification reservoir 9 is communicated with the injection well 11.
By adopting the hot dry rock water circulation system, the waste water passing through the power generation equipment 1 is subjected to multi-stage treatment by the ground purification reservoir and the underground purification reservoir 9 to obtain purified water which is injected onto the hot dry rock stratum, and the water vapor heated by the hot dry rock enters the input end of the power generation equipment 1 through the suction well 14, so that water circulation utilization is formed, the water resource is saved, and the problem that the extracted heat is gradually reduced due to the fact that the sewage blocks the hot dry rock cracks is avoided. In addition, the ground reservoir and the underground reservoir are matched, so that the ground floor area can be reduced, and the water quality purification effect is improved.
Specifically, the above-ground purification reservoir comprises a first-stage reservoir 3, and the first-stage reservoir 3 is used for wastewater flocculation and precipitation treatment. As the waste water output by the power generation equipment 1 contains partial suspended colloidal substances, and the volume of the reservoir cannot be too large in consideration of a natural precipitation mode, the flocculating agent adopts a compound formula, belongs to a high molecular polymer, such as commercially available polyacrylamide, and is prepared into a concentration of about 10% during specific operation and is uniformly added according to the adding amount of 60 PPm. In addition, substances with strong adsorbability, such as activated carbon, can be paved in the reservoir to realize the adsorption of suspended matters.
Specifically, the ground purification reservoir comprises a second-stage reservoir 4, an inlet of the second-stage reservoir 4 is communicated with an outlet of the first-stage reservoir 3, and the second-stage reservoir 4 is provided with a magnetic purification and separation device for adsorbing suspended matters and heavy metal ions. More specifically, magnetic purification separator is including being located the magnetic chuck 31 of reservoir bottom to and install a plurality of filtration frame 32 on magnetic chuck 31, can dismantle in the filtration frame 32 and be connected with the filter screen. The magnetic suction disc 31 is provided with a slot for mounting the filtering frame 32, the filtering frame 32 is inserted in the slot, and the filter screen is inserted on the filtering frame. And a plurality of layers of filter screens are arranged along the water inlet to the water outlet of the reservoir.
Specifically, the ground purification reservoir comprises a third-stage reservoir 5, an inlet of the third-stage reservoir 5 is communicated with an outlet of the second-stage reservoir 4, and the third-stage reservoir 5 is provided with a membrane separation device. More specifically, the membrane separation device adopts a nanofiltration membrane, and can effectively remove bivalent or multivalent ions and organic matters with the molecular weight of 200-500. The waste water of the power generation equipment 1 is treated by the nanofiltration membrane, and is subjected to pretreatment such as enhanced flocculation of the first-stage reservoir 3 and enhanced filtration of the second-stage reservoir 4, and then the water is discharged by the nanofiltration membrane, so that the water quality purification effect is good.
Specifically, a water quality detection device 20 is arranged on the water outlet pipeline of the third-stage reservoir 5, and is used for detecting the quality of the outlet water passing through the above-ground reservoir. And determining whether to enter the underground water reservoir according to the detection condition of the water quality detection device 20.
Specifically, the above-mentioned water circulation device still includes the counter current pipeline 18, 18 one end of counter current pipeline is connected the export of third level reservoir 5, and the other end is connected the entry of first order reservoir 3, be equipped with suction pump 19 on the counter current pipeline 18, suction pump 19 is used for with the play water suction of third level reservoir 5 extremely in the first order reservoir 3. Specifically, when the water quality at the outlet of the third-stage reservoir 5 does not reach the standard, the water is pumped into the first-stage reservoir 3 by the water pump 19 to be purified again. The water quality safety in the process of dry and hot rock mining is guaranteed, and the regional water body is not polluted.
Specifically, an electromagnetic valve 15 is arranged at an inlet of the underground purification reservoir 9, a control system controls the electromagnetic valve 15 and the water suction pump 19 to be opened or closed according to a detection result of the water quality detection device 20, specifically, when the water quality is qualified, the electromagnetic valve 15 is opened, the water suction pump 19 is closed, and purified water which reaches the standard in the above-ground reservoir enters the underground reservoir to be purified continuously; and when the water quality is unqualified, closing the electromagnetic valve 15 and opening the water suction pump 19 to ensure that the water which does not reach the standard of the above-ground reservoir continues to be circularly purified in the third-level reservoir.
Specifically, a purification rock stratum is laid in the underground purification reservoir 9, and the granularity of the purification rock stratum is changed from coarse to fine along the direction from the inlet to the outlet of the underground purification reservoir 9.
The system also comprises a hot dry rock temperature monitoring well 17 and an underground reservoir monitoring well 7, wherein a first temperature detection device 16 is arranged at the wellhead of the hot dry rock temperature monitoring well 17 and is used for detecting the temperature at the wellhead of the hot dry rock temperature monitoring well 17; and a second temperature detection device 6 is arranged at the wellhead of the underground reservoir monitoring well 7 and is used for detecting the temperature at the wellhead of the underground reservoir monitoring well 7. The temperature of the pumped water resource can meet the temperature requirement required by power generation.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (10)
1. A hot dry rock water circulation system, comprising:
the injection wells and the water pumping wells are positioned at two ends of the hot dry rock fracturing area, the injection wells are used for injecting cooling water into the hot dry rock fracturing area, and the water pumping wells are used for guiding water vapor heated by the hot dry rock fracturing area to the input end of the power generation equipment;
the system comprises an aboveground purification reservoir and an underground purification reservoir, wherein an inlet of the aboveground purification reservoir is communicated with a wastewater output port of the power generation equipment through a wastewater output pipeline; and the outlet of the above-ground purification reservoir is communicated with the inlet of the underground purification reservoir, and the outlet of the underground purification reservoir is communicated with the injection well.
2. A hot dry rock water circulation system according to claim 1 wherein the above ground clean-up reservoir comprises a first stage reservoir for wastewater flocculation and precipitation treatment.
3. The dry hot rock water circulation system according to claim 2, wherein the above-ground purification reservoir comprises a second-stage reservoir, an inlet of the second-stage reservoir is communicated with an outlet of the first-stage reservoir, and the second-stage reservoir is provided with a magnetic purification and separation device for adsorbing suspended matters and heavy metal ions.
4. The hot dry rock water circulation system of claim 3, wherein the magnetic purification and separation device comprises a magnetic chuck at the bottom of the reservoir and a plurality of filter frames arranged on the magnetic chuck, and a filter screen is detachably connected in the filter frames.
5. A hot dry rock water circulation system according to claim 3 or 4, wherein the above ground clean water reservoir comprises a third stage reservoir, the inlet of the third stage reservoir being in communication with the outlet of the second stage reservoir, the third stage reservoir being provided with membrane separation means.
6. The hot dry rock water circulation system of claim 5, wherein a water quality detection device is arranged on the water outlet pipeline of the third stage reservoir.
7. The hot dry rock water circulation system of claim 6, further comprising a backflow pipeline, wherein one end of the backflow pipeline is connected with the outlet of the third-stage reservoir, the other end of the backflow pipeline is connected with the inlet of the first-stage reservoir, a water suction pump is arranged on the backflow pipeline, and the water suction pump is used for sucking the outlet water of the third-stage reservoir into the first-stage reservoir.
8. The hot dry rock water circulation system according to claim 7, wherein an electromagnetic valve is arranged at an inlet of the underground purification reservoir, and a control system controls the electromagnetic valve and the water pump to be opened or closed according to a detection result of the water quality detection device.
9. The dry hot rock water circulation system according to claim 1, wherein a purification rock stratum is laid in the underground purification reservoir, and the particle size of the purification rock stratum is from coarse to fine along the direction from the inlet to the outlet of the underground purification reservoir.
10. The hot dry rock water circulation system according to claim 1, further comprising a hot dry rock temperature monitoring well and an underground reservoir monitoring well, wherein a first temperature detection device is arranged at a wellhead of the hot dry rock temperature monitoring well and is used for detecting the temperature at the wellhead of the hot dry rock temperature monitoring well; and a second temperature detection device is arranged at the wellhead of the underground reservoir monitoring well and is used for detecting the temperature at the wellhead of the underground reservoir monitoring well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535047.4A CN114216276B (en) | 2021-12-15 | 2021-12-15 | Dry and hot rock water circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535047.4A CN114216276B (en) | 2021-12-15 | 2021-12-15 | Dry and hot rock water circulation system |
Publications (2)
| Publication Number | Publication Date |
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| CN114216276A true CN114216276A (en) | 2022-03-22 |
| CN114216276B CN114216276B (en) | 2023-11-10 |
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| CN202111535047.4A Active CN114216276B (en) | 2021-12-15 | 2021-12-15 | Dry and hot rock water circulation system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826595A (en) * | 2019-03-13 | 2019-05-31 | 中国科学院武汉岩土力学研究所 | A kind of multipotency joint hot dry rock energy storage heating system |
| CN110410131A (en) * | 2019-08-01 | 2019-11-05 | 河北工程大学 | A kind of underground thermal pollution to administer and utilization system |
| CN209761640U (en) * | 2019-03-11 | 2019-12-10 | 中国石油化工集团公司 | Hot dry rock power generation system |
| US20200325879A1 (en) * | 2017-10-10 | 2020-10-15 | Hans Gude Gudesen | Underground energy generating method |
| CN112780232A (en) * | 2021-02-01 | 2021-05-11 | 中国地质调查局水文地质环境地质调查中心 | Pressure-control heat-insulation exploitation system for hot dry rock |
| EP3828380A1 (en) * | 2019-11-29 | 2021-06-02 | Welltec Oilfield Solutions AG | Geothermal energy extraction subterranean system for accumulating and storing heat |
| CN114508867A (en) * | 2022-01-28 | 2022-05-17 | 中国地质科学院郑州矿产综合利用研究所 | Photovoltaic-pumped storage-geothermal combined development and utilization system for abandoned coal mine and construction method |
-
2021
- 2021-12-15 CN CN202111535047.4A patent/CN114216276B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200325879A1 (en) * | 2017-10-10 | 2020-10-15 | Hans Gude Gudesen | Underground energy generating method |
| CN209761640U (en) * | 2019-03-11 | 2019-12-10 | 中国石油化工集团公司 | Hot dry rock power generation system |
| CN109826595A (en) * | 2019-03-13 | 2019-05-31 | 中国科学院武汉岩土力学研究所 | A kind of multipotency joint hot dry rock energy storage heating system |
| CN110410131A (en) * | 2019-08-01 | 2019-11-05 | 河北工程大学 | A kind of underground thermal pollution to administer and utilization system |
| EP3828380A1 (en) * | 2019-11-29 | 2021-06-02 | Welltec Oilfield Solutions AG | Geothermal energy extraction subterranean system for accumulating and storing heat |
| CN112780232A (en) * | 2021-02-01 | 2021-05-11 | 中国地质调查局水文地质环境地质调查中心 | Pressure-control heat-insulation exploitation system for hot dry rock |
| CN114508867A (en) * | 2022-01-28 | 2022-05-17 | 中国地质科学院郑州矿产综合利用研究所 | Photovoltaic-pumped storage-geothermal combined development and utilization system for abandoned coal mine and construction method |
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| CN114216276B (en) | 2023-11-10 |
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