CN202832981U - Water injection energy storage type utilizing system of wind energy and geothermal energy - Google Patents
Water injection energy storage type utilizing system of wind energy and geothermal energy Download PDFInfo
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- CN202832981U CN202832981U CN2012203170566U CN201220317056U CN202832981U CN 202832981 U CN202832981 U CN 202832981U CN 2012203170566 U CN2012203170566 U CN 2012203170566U CN 201220317056 U CN201220317056 U CN 201220317056U CN 202832981 U CN202832981 U CN 202832981U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model discloses a water injection energy storage type utilizing system of wind energy and geothermal energy, and belongs to the utilizing field of renewable energy sources. Aiming at the difficulty of wind energy storage and the difficulty that the geothermal energy is hard to be used continuously because of exhaustion of geothermal water and hot steam, the water injection energy storage type utilizing system of the wind energy and the geothermal energy selects a suitable stratum (1), builds a hot well or a hot steam well (2), guides hot water and hot steam of the stratum (1) to the ground surface, and enables a geothermal resource utilizing system (3) to use heat energy of the hot water and the hot steam. The hot water and the hot steam become underground water of low heat energy after heat utilization. Meanwhile, a wind energy drive device (6) is enabled to drive a water injection pump (5) to inject the underground water of low heat energy after the heat utilization into the same stratum (1) through a water injection well (4) in a pressed mode. When needed, water from other sources can be injected into the stratum as a supplement. The water injection energy storage type utilizing system of the wind energy and the geothermal energy is capable of achieving storage of the wind energy and continuous utilization of the geothermal energy and at the same time being used to achieve development of geothermal resources in the deep layer.
Description
Technical field
The utility model relates to wind energy and geothermal energy utilization system, belongs to field of renewable energy resource utilization.
Background technique
Geothermal power and wind energy are as the renewable energy sources of cleaning, and its evaluation and exploration technology also reaches its maturity.The heat utilization of wind-power electricity generation, geothermal power generation and geothermal power is all carried out in China.But be unfavorable for the natural quality that develops making the application of the two because geothermal power and wind energy have some separately, especially power generation applications is very limited.
The wind-power electricity generation of China has obtained to develop on a large scale very much, and by the end of the year 2010, national installed capacity of wind-driven power has reached 3,107 ten thousand kilowatts.It on average only is 2097 hours that but the year accumulative total of wind power plant in 2010 is utilized hour number, on average utilizes hour number far below 4660 hours then power generating equipment.The characteristics that China wind energy distributes be winter wind-force large, west area wind-force is large, and electrical network power load characteristics are that Load in Summer is large, developed regions, east load is large.Wind power distributes and to be distributed in the region with the electrical network need for electricity and temporally not to mate, to the wind-powered electricity generation unit be incorporated into the power networks and electric power is carried and has been caused difficulty, also cause a large amount of wind-powered electricity generation energy to be wasted.Address this problem the effective storage that to carry out the wind-powered electricity generation energy.At present, most economical effective wind energy storage mode is pumped storage, but must mate the high water level reservoir could implement, and is difficult to extensive use.The storage battery wind energy storage modes that discussion is arranged not only with high costs more in recent years, and exist some uncertain factors, the uncertainty of cost that brings such as life of storage battery problem, the risk of environmental pollution that a large amount of storage battery brings etc.
The extensive utilization of geothermal power depends on pumping underground hot water and hot steam.When the extraction amount of underground hot water, hot steam during greater than natural magnitude of recruitment, geothermal water can occur, hot steam is exhausted, causes geothermal power to be difficult to sustainable utilization.And the peak rate of flow of the most of regional geothermal waters of China, hot steam sustainable abstraction is very little, and is difficult to estimation, and this has limited on a large scale heat utilization project implementation.Simultaneously, the geothermal water that the earth formation deep temperature is higher has higher salinity, and what have also contains heavy metal ion, if be discharged into the earth's surface, can cause the pollution of surface water.Therefore, geothermal resources only can be utilized effectively in the area that minority has high-quality shallow-layer high temperature underground water at present.
With respect to the vast area of China, the shallow-layer high-quality geothermal resources rareness that China is domestic.What exist in a large number is the shallow-layer low-temperature geothermal resource.The utilization of these low-temperature geothermal resources is difficult to reach economic benefit well, is difficult to extensively carry out.Although and deep layer high-temperature geothermal resource extensively exists, be limited to above-mentioned hot water, the exhausted problem of hot steam, and the surface water pollution problem, also be difficult to carry out extensive utilization.
These limiting factors are to be determined by the natural quality of wind energy and geothermal power, and simple development Wind Power Utilization technology or the geothermal energy utilization technology of relying on is difficult to overcome.
A kind of wind energy and the geothermal energy utilization system of providing is provided the utility model that proposes based on the problems referred to above, reaches simultaneously the purpose of the sustainable utilization of the storage of wind energy and geothermal power.
Summary of the invention
The utility model provides a kind of water filling energy-storage type wind energy-geothermal energy to utilize system, can effectively realize the storage of wind energy and the sustainable utilization of geothermal power.
The technical solution of the utility model is:
A kind of water filling energy-storage type wind energy and geothermal energy utilization system are characterized in utilizing wind energy to drive water injection pump to the stratum water filling, keep or recover liquid level or the pressure of geothermal water or hot steam.Select to be fit to keep with the method for water filling the stratum (1) of underground water liquid level or hydrodynamic pressure, carry out the geothermal resources utilization, namely, construction fever well or hot steam well (2), hot water or hot steam in stratum (1) are led to the earth's surface, utilize system (3) that these hot water or hot steam are carried out heat energy utilization by geothermal resources.Hot water after the heat utilization or hot steam become underground water low in calories.Simultaneously carry out the wind-force water filling to this stratum, namely, build water injection well (4) and wind force driving device (6), use wind force driving device (6) to drive water injection pump (5), will be injected into same stratum (1) through the underground water pressurization low in calories after the heat utilization via water injection well (4).Except through the underground water low in calories after the heat utilization, can inject to this stratum the water in other source when needing as a supplement.The water that injects absorbs the stratum heat, again forms hot water or hot steam, replenishes the hot water or the hot steam that are extracted.
Described geothermal resources utilize the geothermal utilization mode of system (3), can be various geothermal utilization modes, comprise generating, heating, booth heating, fish pond insulation etc.
Described wind force driving device (6) can be the motor that wind-driven generator drives, and also can be the moving mechanical actuation device of wind power direct tape splicing.
Described wind-force water filling can be interrupted according to wind condition and carry out, and namely only when wind condition is fit to the wind force driving device operation, just carries out the wind-force water filling.When wind condition is not suitable for the wind force driving device operation, stop the wind-force water filling.
Described extraction stratum hot water or hot steam are carried out the geothermal resources utilization, do not need to carry out synchronously with described wind-force water filling.No matter whether carrying out the wind-force water filling, all can extract stratum hot water or hot steam and carry out the geothermal resources utilization.
The utility model can reach the sustainable utilization geothermal resources simultaneously, and stores the effect of utilizing wind energy resources with release.Thereby can improve the utilization ratio of wind energy resources, but and the limit of mining of expansion geothermal resources.
The underground water or the steam that constantly inject and extract as the working medium of carrying geothermal energy, form circulation between thermal source stratum and ground, avoided thus exhausting of geothermal water or hot steam resource, can realize the geothermal resources utilization that continues.
To the process of stratum water filling, replenish take hot working fluid in, the hydrodynamic pressure on stratum be improved or keep.The raising of formation fluid pressure or maintenance have realized the storage of part wind energy.And with the wind energy of formation fluid pressure form storage, when extracting hot water or hot steam, will be released utilization.
For hot well, the raising of formation fluid pressure or maintenance will be presented as raising or the maintenance of natural liquid level in the pit shaft.Thus, range of lift required when extracting hot water is less, has saved the energy consumption of drawing water.When formation fluid pressure was enough offset the well liquid column pressure that depth of stratum causes, the geothermal water well head of can gushing out formed the spraying hot water well, exempts the energy consumption of drawing water fully.The saving of this energy consumption of drawing water is improved the clean output energy of system.This system exports the raising of energy only, comes from the release of the wind energy that stores with the formation fluid pressure form.
For the hot steam well, the raising of formation fluid pressure or maintenance will be presented as raising or the maintenance of well head vapor pressure.Concerning various hot steams were utilized mode, more the steam of high pressure can both provide more energy output.The raising of this energy output also comes from the release of the wind energy that stores with the formation fluid pressure form.
The stratum has the ability of a large amount of water storages, and is slowly by extracting that formation fluid pressure that hot water or hot steam cause descends.Therefore, utilize formation fluid pressure storage area wind energy, can realize storing at any time, slowly discharge.Utilize wind energy to the stratum water filling, can be interrupted according to wind conditions and carry out, and the process of extraction stratum hot water or hot steam can be continuous, perhaps extracts at any time according to the electricity consumption needs.
Like this, just reach simultaneously the sustainable utilization geothermal resources, and stored the effect of utilizing wind energy resources with release.And the storage of wind energy and release utilize process all not need extra facility or equipment.
The technical program can also be used for the exploitation deep geothermal resources.The technical program has solved the supplementary question of stratum hot water or hot steam, and the emission pollution problem of deep layer high salinity underground water.Using the technical program can make the deep layer high-temperature geothermal resource of a large amount of existence be able to effective exploitation.What this will greatly expand geothermal resources can the exploitation amount, make the exploitation of geothermal resources break away from the restriction of rare shallow-layer high-temperature geothermal resource, the geothermal resources of depths, the eastern developed area stratum are developed, realized continous-stable, close energy supply with the energy area.
Description of drawings
Accompanying drawing is that system of the present utility model consists of schematic representation.
Among the figure: (1) stratum, (2) hot well or hot steam well, (3) geothermal resources utilize system, (4) water injection well, (5) water injection pump, (6) wind force driving device
Embodiment
Embodiment of the present utility model is:
At first select to be fit to keep with the method for water filling the stratum of underground water liquid level or hydrodynamic pressure.This stratum can be through exploration, proves the good and higher stratum of permeability of trap, also can from the oilfield exploitation stratum, select through water flooding recovery, the water filling-good discarded oil field stratum of oil recovery circulation.There is certain storage capacity on any stratum, and water filling in the stratum can improve the pressure of fluid in the stratum.Especially when the rock stratum of higher permeability during by the trap of the rock stratum of low-permeability institute, can form preferably water space.To this water space water filling, can more effectively improve formation fluid pressure.Petroleum industry is utilized widely to the method for stratum water filling, assists recover petroleum by the hydrodynamic pressure that improves the trap stratum.The practice of for many years crude oil water flooding recovery is verified recovers or keeps the validity of formation fluid pressure to the stratum water filling.
By the technical solution of the utility model, construction fever well or hot steam well lead to the earth's surface with the hot water in the stratum or hot steam, carry out suitable geothermal utilization.Hot water after the heat utilization or hot steam become underground water low in calories.Simultaneously carry out the wind-force water filling to this stratum, that is, build water injection well and wind force driving device, use wind force driving device to drive water injection pump, will be injected into same stratum through the underground water pressurization low in calories after the heat utilization via water injection well.Except through the underground water low in calories after the heat utilization, can inject to this stratum the water in other source when needing as a supplement.The water that injects absorbs the stratum heat, again forms hot water or hot steam, replenishes the hot water or the hot steam that are extracted.
Described geothermal utilization can be the various modes of utilizing, and comprises generating, heating, booth heating, fish pond insulation etc.Described wind force driving device can be wind-driven generator and motor, also can be the moving mechanical actuation device of wind power direct tape splicing, the driving mechanism that is for example driven by wind turbine.
Described wind-force water filling can be interrupted according to wind condition and carry out, and namely only when wind condition is fit to the wind force driving device operation, just carries out the wind-force water filling.When wind condition is not suitable for the wind force driving device operation, stop the wind-force water filling.
Described extraction stratum hot water or hot steam are carried out the geothermal resources utilization, do not need to carry out synchronously with described wind-force water filling.No matter whether carrying out the wind-force water filling, all can extract stratum hot water or hot steam and carry out the geothermal resources utilization.Because the stratum has the ability of a large amount of water storages, the rising of formation fluid pressure and decline are slowly to change.According to the experience of petroleum production industry, under the water injection rate or oil production of thousands of cubic metres of every days, the change in fluid pressure on a trap stratum, generally take several months or several years as the cycle.Therefore suspend the acute variation that the wind-force water filling can not cause formation fluid pressure.Store wind energy with the formation fluid pressure form, the round the clock variation that is enough to offset wind energy also can be offset the seasonal variations of wind energy when condition is desirable.The present technique mode of execution is enough to guarantee the continous-stable exploitation of geothermal resources.
Claims (1)
1. a water filling energy-storage type wind energy and geothermal energy utilization system are characterized in utilizing wind energy to drive water injection pump to the stratum water filling, keep or recover liquid level or the pressure of geothermal water or hot steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203170566U CN202832981U (en) | 2012-07-03 | 2012-07-03 | Water injection energy storage type utilizing system of wind energy and geothermal energy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012203170566U CN202832981U (en) | 2012-07-03 | 2012-07-03 | Water injection energy storage type utilizing system of wind energy and geothermal energy |
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| CN202832981U true CN202832981U (en) | 2013-03-27 |
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| CN2012203170566U Expired - Fee Related CN202832981U (en) | 2012-07-03 | 2012-07-03 | Water injection energy storage type utilizing system of wind energy and geothermal energy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106661936A (en) * | 2014-06-30 | 2017-05-10 | 奎德奈特能源股份有限公司 | Hydraulic geofracture energy storage system with desalinazation |
| CN110685861A (en) * | 2019-10-25 | 2020-01-14 | 鸿蒙能源(山东)有限公司 | Wind power and geothermal energy combined mining system |
| CN110701000A (en) * | 2019-11-28 | 2020-01-17 | 刘鹏志 | Novel oil field water injection wind energy utilization process system |
-
2012
- 2012-07-03 CN CN2012203170566U patent/CN202832981U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106661936A (en) * | 2014-06-30 | 2017-05-10 | 奎德奈特能源股份有限公司 | Hydraulic geofracture energy storage system with desalinazation |
| CN110685861A (en) * | 2019-10-25 | 2020-01-14 | 鸿蒙能源(山东)有限公司 | Wind power and geothermal energy combined mining system |
| CN110685861B (en) * | 2019-10-25 | 2020-12-01 | 鸿蒙能源(山东)有限公司 | Wind power and geothermal energy combined mining system |
| CN110701000A (en) * | 2019-11-28 | 2020-01-17 | 刘鹏志 | Novel oil field water injection wind energy utilization process system |
| CN110701000B (en) * | 2019-11-28 | 2024-01-26 | 刘鹏志 | Oilfield water injection wind energy utilization process system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20150703 |
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| EXPY | Termination of patent right or utility model |