CN218888150U - Off-peak electricity energy storage system for storing hydrogen and oxygen by using abandoned well - Google Patents
Off-peak electricity energy storage system for storing hydrogen and oxygen by using abandoned well Download PDFInfo
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- CN218888150U CN218888150U CN202320127142.9U CN202320127142U CN218888150U CN 218888150 U CN218888150 U CN 218888150U CN 202320127142 U CN202320127142 U CN 202320127142U CN 218888150 U CN218888150 U CN 218888150U
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 76
- 239000001257 hydrogen Substances 0.000 title claims abstract description 76
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 74
- 239000001301 oxygen Substances 0.000 title claims abstract description 74
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 230000005611 electricity Effects 0.000 title claims abstract description 72
- 238000004146 energy storage Methods 0.000 title claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 41
- 230000006835 compression Effects 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 7
- 238000005553 drilling Methods 0.000 description 4
- 239000003129 oil well Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000009924 canning Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses a low ebb electricity energy storage system for storing hydrogen and oxygen by using a abandoned well, which comprises an electrolytic water device; the water electrolysis device is communicated with a first abandon well for storing hydrogen through a first compression part, and is also communicated with a second abandon well for storing oxygen through a second compression part; the electrolyzed water apparatus is electrically connected with a valley power supply system, and the valley power supply system is used for supplying power to the electrolyzed water apparatus in the valley power period. The utility model provides a technical scheme utilizes the low ebb electricity to provide the electric energy of electrolysis water, realizes the utilization of low ebb electricity to utilize the abandonment well as the storage device of hydrogen and oxygen, realize the recycling of abandonment well, need not to set up other storage facilities in ground space, thereby, the utility model provides a comprehensive utilization abandonment well and low ebb electricity's energy storage system.
Description
Technical Field
The utility model relates to an energy storage technology field, concretely relates to utilize low ebb electricity energy storage system of abandonment well storage hydrogen and oxygen.
Background
An oil well is a borehole drilled by a well placement system planned for oil field development for the exploitation of oil, and is a passage for oil to rise from the bottom of the well to the top of the well during the oil exploitation process. After drilling oil layer, the oil layer casing is set, and the cement is injected into the annular space between casing and well wall to maintain well wall and seal oil, gas and water layer.
Abandoned oil wells are also called abandoned wells, and are classified into "geological abandoned wells" and "engineering abandoned wells". The abandonment conditions of the geological abandoned well are as follows: (1) after drilling, a gas layer is not drilled or the drilling condition is poor, and the exploratory well has no production gas production value; (2) drilling a well that exhibits high productivity but no production conditions; (3) the physical property of the reservoir stratum is poor, and the gas testing proves that no gas is produced or the yield is low, so that the yield is lower than the economic limit of the well no matter which method is adopted for mining; (4) wells that reach waste pressure, cannot be utilized; (5) the inspection well loses inspection and observation significance and has no other utilization value.
In addition to abandoned oil wells, a large amount of underground abandoned space is also formed in the mining of various metal and non-metal mines. The current common disposal for these abandoned wells is plugging, which is not utilized. With the increase of the number of abandoned wells, how to effectively utilize underground space and avoid waste is an increasingly prominent problem.
Meanwhile, with the rapid development of the modernization of the Chinese industry, the industrial electrical load is rapidly increased; on the other hand, with the increase of the living standard of people, the electric load of business and residents is increased increasingly. However, whether it is industrial electricity or commercial or residential electricity, the load of electricity used at night is significantly lower than that used during the daytime. The power demand imbalance is aggravated by the increasingly large peak-valley power load difference, so that more serious impact is caused on the stable operation of a power grid and the stable supply of power; because of the low ebb electricity price is lower, how make full use of low ebb electricity is stored and effectively utilized with low ebb electricity ability to realize the load is filled out in the peak clipping of electric wire netting, is the problem that awaits immediate attention now. Except for peak-to-valley electricity difference, china causes a large amount of abandoned wind and abandoned light due to regional reasons every year, and the waste of the energy is not a small loss for the electric energy system in China.
Therefore, it is desirable to provide an energy storage system that can comprehensively utilize abandoned wells and off-peak and abandoned electricity.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an utilize the low ebb electricity energy storage system of abandonment well storage hydrogen and oxygen, aim at solving current abandonment well and the problem that the low ebb electricity can not obtain effective utilization.
In order to achieve the purpose, the utility model provides a low ebb electricity energy storage system for storing hydrogen and oxygen by utilizing a abandoned well, which comprises a water electrolysis device;
the water electrolysis device is communicated with a first abandonment well for storing hydrogen through a first compression part, and is also communicated with a second abandonment well for storing oxygen through a second compression part;
the water electrolysis device is electrically connected with the off-peak electricity energy supply system, and the off-peak electricity energy supply system is used for supplying power to the water electrolysis device in the off-peak electricity time period.
Preferably, the water electrolysis device is provided with a positive electrode, a negative electrode, a hydrogen containing cavity and an oxygen containing cavity, and forms a containing space for containing electrolyte; the negative electrode is used for generating hydrogen in the electrolytic process, the hydrogen containing cavity is used for collecting the hydrogen generated by the negative electrode, the positive electrode is used for generating oxygen in the electrolytic process, and the oxygen containing cavity is used for containing the oxygen generated by the positive electrode;
the hydrogen containing cavity is communicated with the first compression part, and the oxygen containing cavity is communicated with the second compression part; the positive electrode and the negative electrode are respectively electrically connected with the valley electricity energy supply system.
Preferably, a first heat exchange device is communicated between the first compression part and the first abandonment well.
Preferably, a second heat exchange device is communicated between the second compression part and the second abandonment well.
Preferably, the first abandoned well is used for communicating with a user hydrogen pipe network; the second abandoned well is used for being communicated with a user oxygen pipe network.
Preferably, the first abandoned well is communicated with a first heating system through a first valve, the first heating system is connected with a first turbine, the first turbine is connected with a first generator, and the first turbine is used for being communicated with the user hydrogen pipe network; the first valve is used for opening during the peak of electricity utilization so as to enable the hydrogen stored in the first abandoned well to be conveyed to the user hydrogen pipe network.
Preferably, the second abandoned well is communicated with a second heating system through a second valve, the second heating system is connected with a second turbine, the second turbine is connected with a second generator, and the second turbine is communicated with the user oxygen pipe network; the second valve is used for opening during peak electricity utilization so that oxygen stored in the second abandoned well is conveyed to the user oxygen pipe network.
Preferably, the first heating system is the first heat exchange device, and/or the second heating system is the second heat exchange device.
Preferably, the first generator and/or the second generator is electrically connected to the valley power supply system.
Preferably, the first compression member and/or the second compression member are electrically connected to the valley electrical energy supply system.
The technical scheme of the utility model in, at the low ebb electricity period, supply power to the brineelectrolysis device as the power through low ebb electricity energy supply system to utilize the low ebb electricity to obtain hydrogen and oxygen through electrolysis water reaction preparation. Wherein the hydrogen is compressed by the first compression part and then transferred to the first waste well for storing hydrogen, and the oxygen is compressed by the second compression part and then transferred to the second waste well for storing oxygen. The abandonment well is as the storage device of hydrogen and oxygen to, the abandonment well has good gas tightness owing to for darker oil outlet channel, and the uncovered of abandonment well can be done and sealed the processing, the utility model discloses can realize the recycling of abandonment well, need not additionally to set up other storage tanks and can accept hydrogen and oxygen, also can avoid hydrogen and oxygen to accept the in-process and occupy the ground space. Furthermore, the electric energy for electrolyzing water is provided by utilizing the off-peak electricity, the off-peak electricity can be utilized, and the peak clipping and valley filling of the electric energy are realized. To sum up, the utility model discloses can provide an energy storage system who utilizes abandonment well and low ebb electricity multipurposely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of a valley power storage system for storing hydrogen and oxygen using abandoned wells of the present invention;
fig. 2 is a schematic diagram of another embodiment of the off-peak electricity energy storage system using abandoned wells to store hydrogen and oxygen.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, in order to achieve the above objects, the off-peak electricity energy storage system for storing hydrogen and oxygen by using a abandoned well of the present invention includes a water electrolysis device;
the water electrolysis device is communicated with a first abandonment well for storing hydrogen through a first compression part, and is also communicated with a second abandonment well for storing oxygen through a second compression part;
the water electrolysis device is electrically connected with the off-peak electricity energy supply system, and the off-peak electricity energy supply system is used for supplying power to the water electrolysis device in the off-peak electricity time period.
The technical scheme of the utility model in, at the low ebb electricity period, supply power to the brineelectrolysis device as the power through low ebb electricity energy supply system to utilize the low ebb electricity to obtain hydrogen and oxygen through electrolysis water reaction preparation. Wherein the hydrogen is compressed by the first compression part and then transferred to the first waste well for storing hydrogen, and the oxygen is compressed by the second compression part and then transferred to the second waste well for storing oxygen. The abandonment well is as the storage device of hydrogen and oxygen to, the abandonment well has good gas tightness owing to for darker oil outlet channel, and the uncovered of abandonment well can be done and sealed the processing, the utility model discloses can realize the recycling of abandonment well, need not additionally to set up other storage tanks and can accept hydrogen and oxygen, also can avoid hydrogen and oxygen to accept the in-process and occupy the ground space. Furthermore, the low-valley electricity is used for providing the electric energy for electrolyzing water, the low-valley electricity can be used, and peak clipping and valley filling of the electric energy are realized. And when hydrogen or oxygen is released from the abandoned well in the peak period of power utilization, the turbine can be driven to do work, so that the generator generates power, and the electric energy generated by power generation is stored in the off-peak power supply system to provide electric energy for the peak period of power utilization. To sum up, the utility model discloses can provide an energy storage system who utilizes abandonment well and low ebb electricity multipurposely. The hydrogen produced and stored by utilizing the off-peak electricity or the waste electricity is conveyed to hydrogen demand parties such as a hydrogenation station or a smelting plant in a pipe network mode and the like, so that the economic benefit of an enterprise can be greatly improved.
The first waste gas well and the second waste gas well can be waste oil wells respectively, and can also be underground waste spaces in the mining of various metal and nonmetal mines.
Furthermore, in the peak period of electricity utilization, if redundant electricity exists, the power can be supplied to the water electrolysis device through the redundant electricity.
Preferably, the water electrolysis device is provided with a positive electrode, a negative electrode, a hydrogen containing cavity and an oxygen containing cavity, and forms a containing space for containing electrolyte; the negative electrode is used for generating hydrogen in the electrolytic process, the hydrogen containing cavity is used for collecting the hydrogen generated by the negative electrode, the positive electrode is used for generating oxygen in the electrolytic process, and the oxygen containing cavity is used for containing the oxygen generated by the positive electrode;
the hydrogen containing cavity is communicated with the first compression part, and the oxygen containing cavity is communicated with the second compression part; the positive electrode and the negative electrode are respectively electrically connected with the valley electricity energy supply system.
Referring to fig. 2, a first heat exchange device is preferably communicated between the first compressing part and the first abandonment well.
Specifically, the first heat exchange device is specifically a heat exchanger, and the first compression component may be a compressor. The hydrogen can release heat in the compression process, the heat released by the compression of the hydrogen is recovered by utilizing the first heat exchange equipment, and the recovered heat energy can be reused. Further, the first compression member may employ multi-stage compression.
Preferably, a second heat exchange device is communicated between the second compression part and the second abandonment well.
The second heat exchange device is embodied as a heat exchanger, and the second compression part may be a compressor. The oxygen can release heat in the compression process, the heat released by the compression of the oxygen is recovered by utilizing the second heat exchange equipment, and the recovered heat energy can be reused. Further, the second compression member may employ multi-stage compression.
In particular embodiments, the first heat exchange device and the second heat exchange device may be the same heat exchange device, or different heat exchange devices.
High-pressure storage can be realized after hydrogen, oxygen compress, and the abandonment well can regard as the equipment of high-pressure storage, avoids additionally using thick and heavy withstand voltage storage tank.
The heat released in the compression process of the hydrogen and the oxygen is stored in the first heat exchange device and the second heat exchange device, and the types of the heat exchange devices can be set according to requirements, such as a double-pipe heat exchanger, a tubular heat exchanger, a plate-fin heat exchanger and the like. The outer walls of the first heat exchange device and the second heat exchange device are insulated by the heat insulation layer.
Preferably, the first abandoned well is used for communicating with a user hydrogen pipe network; the second abandoned well is used for being communicated with a user oxygen pipe network. Of course, the hydrogen released from the first abandoned well can also be used for transportation after canning. The oxygen released from the second abandoned well can also be used for transportation after canning.
Preferably, the first abandoned well is communicated with a first heating system through a first valve, the first heating system is connected with a first turbine, the first turbine is connected with a first generator, and the first turbine is used for being communicated with the user hydrogen pipe network; the first valve is used for opening during the peak of electricity utilization so as to enable the hydrogen stored in the first abandoned well to be conveyed to the user hydrogen pipe network. The first valve may be a manual valve or an electrically controlled valve. The first turbine is used for utilizing the pressure released by the high-pressure hydrogen from the first abandoned well to do work and driving the first generator to generate electricity.
Preferably, the second abandoned well is communicated with a second heating system through a second valve, the second heating system is connected with a second turbine, the second turbine is connected with a second generator, and the second turbine is communicated with the user oxygen pipe network; the second valve is used for opening during peak electricity utilization so that oxygen stored in the second abandoned well is conveyed to the user oxygen network. The second valve may be a manual valve or an electrically controlled valve. And the second turbine is used for utilizing the pressure released by the high-pressure oxygen from the second abandoned well to do work and driving the second generator to generate electricity.
Preferably, the first heating system is the first heat exchange device, and/or the second heating system is the second heat exchange device. Specifically, the first heat exchange device is used for utilizing heat absorbed in the process of compressing hydrogen in the process of releasing hydrogen from the first abandoned well, and/or the second heat exchange device is used for utilizing heat absorbed in the process of compressing oxygen in the process of releasing oxygen from the first abandoned well.
Preferably, the first generator and/or the second generator is electrically connected to the valley power supply system. First generator is connected with low ebb electricity energy supply system electricity, and the second generator is connected with low ebb electricity energy supply system electricity to, release hydrogen or oxygen when the power consumption peak, can drive the steam turbine and do work, thereby make the generator electricity generation, the produced electric energy of electricity generation is stored to low ebb electricity energy supply system, provides the electric energy for the power consumption peak period.
Preferably, the first and/or second compression member is electrically connected to the valley electrical power supply system.
The first and/or second compression components may be powered by a valley power system to utilize electrical energy during the valley power period. The first generator and the second generator can drive the steam turbine to do work to generate power by utilizing the pressure generated when the hydrogen and the oxygen are released, and the electric energy is recovered to the off-peak power system, so that the off-peak power energy storage system can consume off-peak power and can generate power at the peak time of power utilization. Further, during peak electricity hours, if excess electricity is available, the first compression element and/or the second compression element may be powered by the excess electricity.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures made by the contents of the specification and the drawings are utilized under the idea of the present invention, or directly/indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A low ebb electricity energy storage system for storing hydrogen and oxygen by using abandoned wells is characterized by comprising a water electrolysis device;
the water electrolysis device is communicated with a first abandonment well for storing hydrogen through a first compression part, and is also communicated with a second abandonment well for storing oxygen through a second compression part;
the water electrolysis device is electrically connected with the off-peak electricity energy supply system, and the off-peak electricity energy supply system is used for supplying power to the water electrolysis device in the off-peak electricity time period.
2. The off-peak electricity storage system utilizing abandoned wells for storing hydrogen and oxygen according to claim 1, wherein the water electrolysis device is provided with a positive electrode, a negative electrode, a hydrogen containing cavity and an oxygen containing cavity, and forms a containing space for containing electrolyte; the negative electrode is used for generating hydrogen in the electrolytic process, the hydrogen containing cavity is used for collecting the hydrogen generated by the negative electrode, the positive electrode is used for generating oxygen in the electrolytic process, and the oxygen containing cavity is used for containing the oxygen generated by the positive electrode;
the hydrogen containing cavity is communicated with the first compression part, and the oxygen containing cavity is communicated with the second compression part; the positive electrode and the negative electrode are respectively electrically connected with the valley electricity energy supply system.
3. The valley power energy storage system utilizing abandoned wells for storing hydrogen and oxygen according to claim 1, wherein a first heat exchange device is communicated between the first compression section and the first abandoned well.
4. The valley power energy storage system utilizing abandoned wells for storing hydrogen and oxygen according to claim 3, wherein a second heat exchange device is communicated between the second compression section and the second abandoned well.
5. The off-peak electricity storage system utilizing abandoned wells for storing hydrogen and oxygen according to claim 4, wherein the first abandoned well is adapted to communicate with a user hydrogen network; the second abandoned well is used for being communicated with a user oxygen pipe network.
6. The off-peak electricity storage system using abandoned wells to store hydrogen and oxygen according to claim 5, wherein the first abandoned well is in communication with a first heating system through a first valve, the first heating system is connected with a first turbine, the first turbine is connected with a first generator, the first turbine is used for being in communication with the user hydrogen pipe network; the first valve is used for opening during the peak of electricity utilization so as to enable the hydrogen stored in the first abandoned well to be conveyed to the user hydrogen pipe network.
7. The off-peak electricity storage system using abandoned wells to store hydrogen and oxygen according to claim 6, wherein the second abandoned well is communicated with a second heating system through a second valve, the second heating system is connected with a second turbine, the second turbine is connected with a second generator, and the second turbine is communicated with the user oxygen pipe network; the second valve is used for opening during peak electricity utilization so that oxygen stored in the second abandoned well is conveyed to the user oxygen pipe network.
8. The off-peak electrical energy storage system utilizing abandoned wells for hydrogen and oxygen storage according to claim 7, wherein the first heating system is the first heat exchange device and/or the second heating system is the second heat exchange device.
9. The off-peak electrical energy storage system for storing hydrogen and oxygen using abandoned wells according to claim 7, characterized in that the first generator and/or the second generator are electrically connected with the off-peak electrical energy supply system.
10. The off-peak electrical energy storage system for storing hydrogen and oxygen using abandoned wells according to any of the claims 1 to 9, characterized in that the first and/or second compression component is electrically connected with the off-peak electrical energy storage system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320127142.9U CN218888150U (en) | 2023-01-16 | 2023-01-16 | Off-peak electricity energy storage system for storing hydrogen and oxygen by using abandoned well |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320127142.9U CN218888150U (en) | 2023-01-16 | 2023-01-16 | Off-peak electricity energy storage system for storing hydrogen and oxygen by using abandoned well |
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| CN218888150U true CN218888150U (en) | 2023-04-18 |
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| CN202320127142.9U Active CN218888150U (en) | 2023-01-16 | 2023-01-16 | Off-peak electricity energy storage system for storing hydrogen and oxygen by using abandoned well |
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| CN (1) | CN218888150U (en) |
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2023
- 2023-01-16 CN CN202320127142.9U patent/CN218888150U/en active Active
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Effective date of registration: 20240708 Address after: No. 6, 10th Floor, Building 9, No. 399, West Section of Fucheng Avenue, Chengdu High tech Zone, China (Sichuan) Pilot Free Trade Zone, Chengdu City, Sichuan Province, 610000 Patentee after: Maowei Energy Co.,Ltd. Country or region after: China Address before: 851400 No. 5-2, unit 3, building 1, zone a, sunshine new town, 158 Jinzhu West Road, Lhasa, Tibet Autonomous Region Patentee before: Tibet Kangsheng Energy Development Co.,Ltd. Country or region before: China |
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