CN219197586U - Compressed air energy storage system suitable for different temperatures - Google Patents
Compressed air energy storage system suitable for different temperatures Download PDFInfo
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- CN219197586U CN219197586U CN202320017176.2U CN202320017176U CN219197586U CN 219197586 U CN219197586 U CN 219197586U CN 202320017176 U CN202320017176 U CN 202320017176U CN 219197586 U CN219197586 U CN 219197586U
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Abstract
The utility model relates to the technical field of energy storage, in particular to a compressed air energy storage system applicable to different temperatures. The compressed air energy storage system comprises an energy storage unit, an air storage unit, an energy release unit, a first heat transfer and storage unit, a second heat transfer and storage unit, an adjustment control unit and a controller; the energy storage unit is connected with one end of the gas storage unit, and the other end of the gas storage unit is connected with the energy release unit; the first heat transfer and heat storage unit and the second heat transfer and heat storage unit are connected with the energy storage unit and the energy release unit; the adjusting control unit is respectively connected with the energy storage unit, the gas storage unit and the heat transfer and storage unit in a control manner; the controller is connected with the adjusting control unit. The utility model has simple structure, adopts low-melting-point molten salt and high-temperature water as heat storage and heat accumulation mediums, can adopt different mediums according to different temperatures of the outlet of the compressor, can greatly reduce the pressure of the storage tank, further reduce the wall thickness of the pressure vessel and the heat exchanger, and greatly reduce the initial investment cost.
Description
Technical Field
The utility model relates to the technical field of energy storage, in particular to a compressed air energy storage system applicable to different temperatures.
Background
The heat transfer and storage technology of the compressed air energy storage system is crucial to the efficiency of the power station, and the higher the heat transfer and storage temperature is, the higher the system efficiency is. At present, three heat exchange and heat accumulation mediums of 120 ℃ hot water, heat conduction oil and 180 ℃ hot water are mainly provided, and the upper limit of the heat exchange temperature of the 120 ℃ hot water is lower, so that the overall efficiency of the power station is lower; the heat transfer and heat storage temperature of the heat transfer oil can reach 350 ℃, but the heat transfer oil has higher price, so that the overall investment cost is higher; the hot water heat storage at 180 ℃ reaches the upper limit of the hot water heat storage, and the system efficiency encounters a bottleneck. For this reason, molten salt is attracting attention of many scholars as a good heat transfer and storage medium. However, the molten salt is used as a heat transfer and storage medium to store the compression heat of compressed air under the influence of the exhaust temperature of the compressor, the temperature cannot be higher than 400 ℃, the gas temperature is too high, the metal thermal deformation can be caused when the gas temperature exceeds the use temperature of a metal material, and meanwhile, the light fraction of lubricating oil can be caused to occur to block an exhaust valve and an exhaust pipe.
Therefore, the heat exchange and heat accumulation problem of the compressed air energy storage system is solved, and the novel heat transfer and heat exchange medium of the low-melting-point molten salt is required to be provided, so that the overall efficiency and investment cost of the power station are improved.
Disclosure of Invention
The present utility model discloses a compressed air energy storage system suitable for different temperatures to solve any one of the above and other potential problems of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: a compressed air energy storage system suitable for different temperatures, the compressed air energy storage system includes energy storage unit, gas storage unit and release energy unit, the compressed air energy storage system still includes: the device comprises a first heat transfer and heat storage unit, a second heat transfer and heat storage unit, an adjusting control unit and a controller;
the energy storage unit is connected with one end of the gas storage unit, and the other end of the gas storage unit is connected with the energy release unit;
the first heat transfer and heat storage unit and the second heat transfer and heat storage unit are connected with the energy storage unit and the energy release unit;
the adjusting control unit is respectively connected with the energy storage unit, the gas storage unit, the first heat transfer and heat storage unit and the second heat transfer and heat storage unit in a control manner;
the controller is connected with the adjusting control unit.
Further, the compressed air energy storage system further comprises a heating unit, and the heating unit is respectively connected with the first heat transfer and heat storage unit, the second heat transfer and heat storage unit and the controller.
Further, the first heat transfer and storage unit includes: a high-temperature molten salt storage tank, a low-temperature molten salt storage tank and a first medium transmission pipeline;
the second heat transfer and storage unit includes: a high-temperature water storage tank, a low-temperature water storage tank and a second medium transmission pipeline;
the high-temperature molten salt storage tank and the low-temperature molten salt storage tank form a circulating structure through a first medium transmission pipeline;
the high-temperature water storage tank and the low-temperature water storage tank form a circulating structure through a second medium transmission pipeline.
Further, the adjustment control unit includes: the system comprises a first high-temperature hot water valve, a first high-temperature fused salt valve, a second high-temperature hot water valve, a second high-temperature fused salt valve, a gas storage inlet valve, a gas storage outlet valve, a first low-temperature Leng Shuifa, a first low-temperature fused salt valve, a second low-temperature cold water valve, a second low-temperature fused salt valve, a first temperature detection device and a gas storage outlet flowmeter;
the first high-temperature water valve and the first high-temperature molten salt valve are respectively arranged at inlets of the high-temperature molten salt storage tank and the high-temperature water storage tank;
the second high-temperature hot water valve and the second high-temperature molten salt valve are respectively arranged at the outlets of the high-temperature molten salt storage tank and the high-temperature water storage tank;
the first low-temperature Leng Shuifa and the first low-temperature molten salt valve are respectively arranged at the inlets of the low-temperature molten salt storage tank and the low-temperature water storage tank;
the second low-temperature cold water valve and the second low-temperature molten salt valve are respectively arranged at the outlets of the low-temperature molten salt storage tank and the low-temperature water storage tank;
the gas storage outlet valve and the gas storage outlet flowmeter are both arranged at the outlet of the gas storage unit;
the first temperature detection device is arranged at the outlet of the first compressor;
the first high-temperature hot water valve, the first high-temperature molten salt valve, the second high-temperature hot water valve, the second high-temperature molten salt valve, the gas storage inlet valve, the gas storage outlet valve, the first low-temperature Leng Shuifa, the first low-temperature molten salt valve, the second low-temperature cold water valve, the second low-temperature molten salt valve, the temperature detection device and the gas storage outlet flowmeter are all connected with the controller.
Further, the heating unit comprises a second temperature detection device, a third temperature detection device and a heater;
the second temperature detection device and the third temperature detection device are respectively arranged in the high-temperature molten salt storage tank and the low-temperature molten salt storage tank and are both connected with the controller;
the heater is respectively connected with the high-temperature molten salt storage tank and the low-temperature molten salt storage tank, and the controller is in control connection with the heater.
Further, the temperature range of the first heat transfer and storage unit is 180-550 ℃;
the temperature range of the second heat transfer and storage unit is 0-180 ℃.
Further, the medium in the high-temperature molten salt storage tank and the low-temperature molten salt storage tank is mixed molten salt.
Further, the energy storage unit comprises a motor, a first compressor, a second compressor, a heat storage heat exchanger and a cooler;
the heat storage heat exchanger is arranged on a connecting pipeline between the first compressor and the second compressor, and the cooler is arranged on a connecting pipeline between the second compressor and the gas storage unit;
the motor is respectively connected with the first compressor and the second compressor;
the first medium transmission pipeline is connected with two ends of the heat storage heat exchanger.
Further, the energy release unit comprises a backheating heat exchanger, an air turbine expander and a generator;
the regenerative heat exchanger is arranged on a connecting pipeline of the gas storage unit and the air turbine expander, and the air turbine expander is connected with the generator;
and the second medium transmission pipeline is connected with two ends of the regenerative heat exchanger.
Further, the heat accumulating heat exchanger and the regenerative heat exchanger are fin tube heat exchangers.
The beneficial effects of the utility model are as follows: by adopting the technical scheme, the system provided by the utility model has a simple structure, adopts low-melting-point molten salt and high-temperature water as heat storage and heat accumulation mediums, can adopt different mediums according to different temperatures of the outlet of the compressor, can greatly reduce the pressure of the storage tank, further reduces the wall thickness of the pressure vessel and the heat exchanger, and greatly reduces the initial investment cost.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a compressed air energy storage system of the present utility model adapted for different temperatures.
In the figure: 1. the system comprises an energy storage unit, a motor 1-1, a first compressor 1-3, a second compressor 1-4, a heat storage heat exchanger 1-5, a cooler 2, a gas storage unit 3, a heat release energy unit 3-1, a heat regeneration heat exchanger 3-2, an air turbine expander 3-3, a generator 4, a first heat transfer heat storage unit 4-1, a high-temperature fused salt storage tank 4-2, a low-temperature fused salt storage tank 4-3, a first medium transmission pipeline 5, a second heat transfer heat storage unit 5-1, a high-temperature water storage tank 5-2, a low-temperature water storage tank 5-3, a first medium transmission pipeline 6, a regulating control unit 6-1, a first hot water valve 6-2, a first high-temperature fused salt valve 6-3, a second hot water valve 6-4, a second high-temperature fused salt valve 6-5, a fused salt storage inlet valve 6-6, a gas storage outlet valve 6-7, a first low-temperature Leng Shuifa, 6-8, a first low-temperature valve 6-9, a second low-temperature valve 6-8, a third temperature valve 6-8, a temperature detector device 6-8, a third temperature detector device 1-2, a temperature detector device 8, a third temperature detector device and a third temperature detector device 11-2.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, the compressed air energy storage system applicable to different temperatures according to the present utility model includes an energy storage unit 1, a gas storage unit 2 and an energy release unit 3, and further includes: the device comprises a first heat transfer and storage unit 4, a second heat transfer and storage unit 5, a regulation control unit 6 and a controller 7;
the energy storage unit 1 is connected with one end of the gas storage unit 2, and the other end of the gas storage unit 2 is connected with the energy release unit 3;
the first heat transfer and storage unit 4 and the second heat transfer and storage unit 5 are connected with the energy storage unit 1 and the energy release unit 3;
the adjusting control unit 6 is respectively in control connection with the energy storage unit 1, the gas storage unit 2, the first heat transfer and heat storage unit 4 and the second heat transfer and heat storage unit 5;
the controller 7 is connected to the control unit 6.
The compressed air energy storage system further comprises a heating unit 8, and the heating unit 8 is respectively connected with the first heat transfer and heat storage unit 4, the second heat transfer and heat storage unit 5 and the controller 7.
The first heat transfer and storage unit 4 includes: a high-temperature molten salt storage tank 4-1, a low-temperature molten salt storage tank 4-2 and a first medium transmission pipeline 4-3;
the second heat transfer and storage unit 5 includes: a high-temperature water storage tank 5-1, a low-temperature water storage tank 5-2 and a first medium transmission pipeline 5-3;
the high-temperature molten salt storage tank 4-1 and the low-temperature molten salt storage tank 4-2 form a circulating structure through a first medium transmission pipeline 4-3;
the high-temperature water storage tank 5-1 and the low-temperature water storage tank 5-2 form a circulating structure through a second medium transmission pipeline 5-3.
The adjustment control unit 6 includes: the high-temperature molten salt storage device comprises a first high-temperature water valve 6-1, a first high-temperature molten salt valve 6-2, a second high-temperature water valve 6-3, a second high-temperature molten salt valve 6-4, a gas storage inlet valve 6-5, a gas storage outlet valve 6-6, a first low-temperature cold water valve 6-7, a first low-temperature molten salt valve 6-8, a second low-temperature cold water valve 6-9, a second low-temperature molten salt valve 6-10, a first temperature detection device, a 6-11 and a gas storage outlet flowmeter 6-12;
the first high-temperature water valve 6-1 and the first high-temperature molten salt 6-2 valve are respectively arranged on a first medium transmission pipeline 4-3 and a second medium transmission pipeline 5-3 at the inlets of the high-temperature molten salt storage tank 4-1 and the high-temperature water storage tank 5-1;
the second high-temperature hot water valve 6-3 and the second high-temperature molten salt valve 6-4 are respectively arranged on the first medium transmission pipeline 4-3 at the outlets of the high-temperature molten salt storage tank 4-1 and the high-temperature water storage tank 5-1 and on the second medium transmission pipeline 5-3;
the first low-temperature water heating and cooling valve 6-7 and the first low-temperature molten salt valve 6-8 are respectively arranged on a first medium transmission pipeline 4-3 and a second medium transmission pipeline 5-3 at the inlets of the low-temperature molten salt storage tank 4-2 and the low-temperature water storage tank 5-2;
the second low-temperature cold water valve 6-9 and the second low-temperature molten salt valve 6-10 are respectively arranged on the first medium transmission pipeline 4-3 and the second medium transmission pipeline 5-3 at the outlets of the low-temperature molten salt storage tank 4-2 and the low-temperature water storage tank 5-2;
the gas storage inlet valve 6-5 is arranged at the inlet of the gas storage unit 2, and the gas storage outlet valve 6-6 and the gas storage outlet flowmeter 6-12 are both arranged at the outlet of the gas storage unit 2;
the first temperature detection device 6-11 is arranged at the outlet of the energy storage unit 1;
the first high-temperature water valve 6-1, the first high-temperature molten salt valve 6-2, the second high-temperature water valve 6-3, the second high-temperature molten salt valve 6-4, the gas storage inlet valve 6-5, the gas storage outlet valve 6-6, the first low-temperature cold water valve 6-7, the first low-temperature molten salt valve 6-8, the second low-temperature water valve 6-9, the second low-temperature molten salt valve 6-10, the first temperature detection device 6-11 and the gas storage outlet flowmeter 6-12 are all connected with the controller 7.
The heating unit 8 comprises a second temperature detection device 8-1, a third temperature detection device 8-2 and a heater 8-3;
the second temperature detection device 8-1 and the third temperature detection device 8-2 are respectively arranged in the high-temperature molten salt storage tank 4-1 and the low-temperature molten salt storage tank 4-2 and are connected with the controller 7;
the heater 8-3 is respectively connected with the high-temperature molten salt storage tank 4-1 and the low-temperature molten salt storage tank 4-2, and the controller 7 is in control connection with the heater 8-3.
The temperature range of the first heat transfer and storage unit 4 is 180-550 ℃;
the temperature range of the second heat transfer and storage unit 5 is 0-180 ℃.
The medium in the high-temperature molten salt storage tank 4-1 and the medium in the low-temperature molten salt storage tank 4-2 are mixed molten salts, the mixed molten salts are formed by mixing potassium nitrate, sodium nitrate and sodium nitrite, and the proportions of the mixed molten salts are 30%, 40% and 30% respectively.
The energy storage unit 1 comprises a motor 1-1, a first compressor 1-2, a second compressor 1-3, a heat storage heat exchanger 1-4 and a cooler 1-5;
the heat storage heat exchanger 1-4 is arranged on a connecting pipeline between the first compressor 1-2 and the second compressor 1-3, and the cooler 1-5 is arranged on a connecting pipeline between the second compressor 1-2 and the gas storage unit 2;
the motor 1-1 is connected to the first compressor 1-2 and the second compressor 1-3, respectively.
The first medium transmission pipeline 4-3 is connected with two ends of the heat accumulating heat exchanger 1-4,
the energy release unit 3 comprises a regenerative heat exchanger 3-1, an air turbine expander 3-2 and a generator 3-3;
the regenerative heat exchanger 3-1 is arranged on a connecting pipeline of the gas storage unit 7 and the air turbine expander 3-2, and the air turbine expander 3-2 is connected with the generator 3-3;
the second medium transmission pipeline 5-3 is connected with two ends of the regenerative heat exchanger 3-1.
The heat accumulating heat exchanger 1-4 and the regenerative heat exchanger 3-1 are fin tube heat exchangers.
The compressed air energy storage system suitable for different temperatures adopts the low-melting-point mixed molten salt and the high-temperature hot water as heat transfer and heat storage media, the temperature range of the low-melting-point mixed molten salt is 180-550 ℃, and the mixed molten salt is mainly formed by mixing base salts such as potassium nitrate, sodium nitrite and the like according to a certain proportion. The high-temperature hot water is mainly hot water at 0-180 ℃.
During energy storage, the temperature is measured by the first temperature detection device 6-11 at the outlet of the first compressor 1-2 and is transmitted to the controller 7, and the controller 7 determines the heat transfer and heat storage medium according to the measured temperature. When the outlet temperature of the first compressor 1-2 is lower than 180 ℃, the second low-temperature cold water valve 6-9 is opened, the low-temperature water exchanges heat with the air at the outlet of the first compressor 1-2, meanwhile, the first high-temperature water valve 6-1 is opened, and the high-temperature water after heat exchange enters the high-temperature water storage tank 5-1 through the second medium transmission pipeline 5-3 for storage; when the outlet temperature of the first compressor 1-2 is higher than 180 ℃, the controller 7 opens the second low-temperature molten salt valve 6-10, the low-temperature molten salt exchanges heat with the air at the outlet of the first compressor 1-2, the first high-temperature molten salt valve 6-2 is opened, and the high-temperature molten salt after heat exchange enters the high-temperature molten salt storage tank 4-1 for storage through the first medium transmission pipeline 4-3.
When releasing energy, the temperature required by the heat exchange of the regenerative heat exchanger 3-1 is preferably selected from the lava heat stored in the high-temperature molten salt storage tank 4-1. The value of the gas storage outlet flowmeter 6-12 is transmitted to the controller 7, and when the value of the gas storage outlet flowmeter 6-12 is measured to be 30m 3 When the device is used, the controller 7 opens the second high-temperature molten salt valve 6-4, high-temperature molten salt flows to the regenerative heat exchanger 3-1 through the first medium transmission pipeline 4-3, exchanges heat with air released in the gas storage unit 2, simultaneously opens the first low-temperature molten salt valve 6-8, and stores the low-temperature molten salt after heat exchange in the low-temperature molten salt storage tank 4-2; when the gas storage outlet flowmeter 6-12 is higher than the design value by 30m 3 And when the second high-temperature hot water valve 6-3 is opened, high-temperature hot water flows to the regenerative heat exchanger 3-1 through a pipeline to exchange heat with air released in the air storage, and meanwhile, the first low-temperature cold water valve 6-7 is opened, and the low-temperature water after heat exchange is stored in the low-temperature water storage tank 5-2.
When the second temperature detecting device 8-1 and the third temperature detecting device 8-2 detect that the temperature of the mixed molten salt of the high-temperature molten salt storage tank 4-1 and the low-temperature molten salt storage tank 4-2 is lower than 150 ℃, the controller 7 starts the heater 8-3 to heat the mixed molten salt.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present utility model and the core ideas thereof; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (10)
1. Compressed air energy storage system suitable for different temperatures, compressed air energy storage system includes energy storage unit, gas storage unit and releases energy unit, its characterized in that, compressed air energy storage system still includes: the device comprises a first heat transfer and heat storage unit, a second heat transfer and heat storage unit, an adjusting control unit and a controller;
the energy storage unit is connected with one end of the gas storage unit, and the other end of the gas storage unit is connected with the energy release unit;
the first heat transfer and heat storage unit and the second heat transfer and heat storage unit are connected with the energy storage unit and the energy release unit;
the adjusting control unit is respectively connected with the energy storage unit, the gas storage unit, the first heat transfer and heat storage unit and the second heat transfer and heat storage unit in a control manner;
the controller is connected with the adjusting control unit.
2. The compressed air energy storage system of claim 1, further comprising a heating unit connected to the first heat transfer and storage unit, the second heat transfer and storage unit, and the controller, respectively.
3. The compressed air energy storage system of claim 2, wherein the first heat transfer and storage unit comprises: a high-temperature molten salt storage tank, a low-temperature molten salt storage tank and a first medium transmission pipeline;
the second heat transfer and storage unit includes: a high-temperature water storage tank, a low-temperature water storage tank and a second medium transmission pipeline;
the high-temperature molten salt storage tank and the low-temperature molten salt storage tank form a circulating structure through a first medium transmission pipeline;
the high-temperature water storage tank and the low-temperature water storage tank form a circulating structure through a second medium transmission pipeline.
4. A compressed air energy storage system according to claim 3, wherein the regulation control unit comprises: the system comprises a first high-temperature hot water valve, a first high-temperature fused salt valve, a second high-temperature hot water valve, a second high-temperature fused salt valve, a gas storage inlet valve, a gas storage outlet valve, a first low-temperature Leng Shuifa, a first low-temperature fused salt valve, a second low-temperature cold water valve, a second low-temperature fused salt valve, a first temperature detection device and a gas storage outlet flowmeter;
the first high-temperature water valve and the first high-temperature molten salt valve are respectively arranged at inlets of the high-temperature molten salt storage tank and the high-temperature water storage tank;
the second high-temperature hot water valve and the second high-temperature molten salt valve are respectively arranged at the outlets of the high-temperature molten salt storage tank and the high-temperature water storage tank;
the first low-temperature Leng Shuifa and the first low-temperature molten salt valve are respectively arranged at the inlets of the low-temperature molten salt storage tank and the low-temperature water storage tank;
the second low-temperature cold water valve and the second low-temperature molten salt valve are respectively arranged at the outlets of the low-temperature molten salt storage tank and the low-temperature water storage tank;
the gas storage outlet valve and the gas storage outlet flowmeter are both arranged at the outlet of the gas storage unit;
the first temperature detection device is arranged at the outlet of the first compressor;
the first high-temperature hot water valve, the first high-temperature molten salt valve, the second high-temperature hot water valve, the second high-temperature molten salt valve, the gas storage inlet valve, the gas storage outlet valve, the first low-temperature Leng Shuifa, the first low-temperature molten salt valve, the second low-temperature cold water valve, the second low-temperature molten salt valve, the first temperature detection device and the gas storage outlet flowmeter are all connected with the controller.
5. A compressed air energy storage system according to claim 3, wherein the heating unit comprises a second temperature detection device, a third temperature detection device and a heater;
the second temperature detection device and the third temperature detection device are respectively arranged in the high-temperature molten salt storage tank and the low-temperature molten salt storage tank and are both connected with the controller;
the heater is respectively connected with the high-temperature molten salt storage tank and the low-temperature molten salt storage tank, and the controller is in control connection with the heater.
6. A compressed air energy storage system according to claim 3, wherein the temperature range of the first heat transfer and storage unit is 180-550 ℃;
the temperature range of the second heat transfer and storage unit is 0-180 ℃.
7. The compressed air energy storage system of claim 3, wherein the medium within the high temperature molten salt storage tank and the low temperature molten salt storage tank is a mixed molten salt.
8. A compressed air energy storage system according to claim 3, wherein the energy storage unit comprises an electric motor, a first compressor, a second compressor, a heat storage heat exchanger and a cooler;
the heat storage heat exchanger is arranged on a connecting pipeline between the first compressor and the second compressor, and the cooler is arranged on a connecting pipeline between the second compressor and the gas storage unit;
the motor is respectively connected with the first compressor and the second compressor;
the first medium transmission pipeline is connected with two ends of the heat storage heat exchanger.
9. The compressed air energy storage system of claim 8, wherein the energy release unit comprises a recuperator, an air turbine expander, and a generator;
the regenerative heat exchanger is arranged on a connecting pipeline of the gas storage unit and the air turbine expander, and the air turbine expander is connected with the generator;
and the second medium transmission pipeline is connected with two ends of the regenerative heat exchanger.
10. The compressed air energy storage system of claim 9, wherein the regenerative heat exchanger and the recuperative heat exchanger are fin-tube heat exchangers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320017176.2U CN219197586U (en) | 2023-01-04 | 2023-01-04 | Compressed air energy storage system suitable for different temperatures |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320017176.2U CN219197586U (en) | 2023-01-04 | 2023-01-04 | Compressed air energy storage system suitable for different temperatures |
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| CN219197586U true CN219197586U (en) | 2023-06-16 |
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| CN202320017176.2U Active CN219197586U (en) | 2023-01-04 | 2023-01-04 | Compressed air energy storage system suitable for different temperatures |
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2023
- 2023-01-04 CN CN202320017176.2U patent/CN219197586U/en active Active
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