Low-temperature-rise artificial chamber gas storage system suitable for compressed air energy storage power station

Abstract

The utility model discloses a low-temperature-rise artificial chamber gas storage system suitable for a compressed air energy storage power station, and relates to the technical field of compressed air energy storage power station gas storage. The system comprises an artificial chamber gas storage, a chamber is arranged in the artificial chamber gas storage, one end of a gas injection and production pipeline is located outside the artificial chamber gas storage and connected with an overground project, and the other end of the gas injection and production pipeline penetrates through the artificial chamber gas storage, enters the chamber and is provided with a gas injection port; the device further comprises an atomization spraying system. The atomization spraying system comprises a cooling tower pool or a water tank installed outside the artificial chamber gas storage, a spraying pipe installed on the gas injection opening and a water collecting pit located at the bottom in the chamber, and the side face of the bottom of the cooling tower pool or the water tank is connected with the spraying pipe through an atomization spraying water supply pipe. Air in the artificial chamber gas storage is cooled through cooling water atomization spraying and cooling water forced heat exchange, the air temperature rise in the gas storage process can be reduced, and the sealing performance and stability of the gas storage are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of compressed air energy storage power station gas storage reservoir, more specifically, it is a low temperature rise artificial cavern gas storage reservoir system suitable for compressed air energy storage power station. Background Art

[0002] Against the background of the country's "3060" dual carbon goals, the proportion of new energy power generation forms such as solar energy and wind energy continues to increase, and the inherent volatility and instability of new energy power generation can easily affect the power system; energy storage can play a good role in peak shaving and valley filling, and is an important content and link in building a new power system; among the existing energy storage technologies, compressed air energy storage has the advantages of large single-machine power, long energy storage time, high electricity-to-electricity conversion efficiency, small plant area, and flexible site selection, and has great development potential.

[0003] Compressed air energy storage power stations require large-capacity high-pressure gas storage reservoirs for storing air. For large-power compressed air energy storage power stations above 100MW, currently feasible large-volume gas storage reservoirs mainly include natural underground salt caverns and artificial chambers. Natural underground salt caverns have lower construction costs, but are more restricted by geographical conditions and have a smaller range of stored air pressures. Newly excavated hard rock artificial chamber gas storage reservoirs are less restricted by geographical conditions, have more flexible site selection, and have a wider range of stored air pressures, making them suitable for large-capacity medium and high temperature heat storage compressed air energy storage power stations.

[0004] The sealing and stability of the gas storage reservoir are the decisive factors for the stable operation of the compressed air energy storage power station. During the gas storage process, with the continuous injection of compressed air, the air pressure in the artificial chamber gas storage reservoir gradually increases, and the temperature of the stored air rises accordingly. According to calculations, when the pressure of the gas storage reservoir is increased from 10MPa to 15MPa, the temperature rise of the air in the gas storage reservoir will exceed 30°C. Affected by the different thermal expansion coefficients of the surrounding rock layer, concrete lining layer and steel plate sealing layer of the artificial chamber, the higher temperature rise will cause the steel plate sealing layer on the chamber wall to undergo relatively large expansion and deformation, resulting in bulging and falling of the steel plate sealing layer, which in turn affects the sealing and stability of the chamber structure. In addition, during the first gas injection process of the artificial chamber gas storage reservoir, the air pressure in the gas storage reservoir increases from atmospheric pressure to the minimum working pressure, and the pressure variation range is larger. Assuming that the minimum working pressure of the gas storage reservoir is 10MPa, after the initial gas injection (continuous gas injection), the air temperature in the gas storage reservoir will rise above 140°C, which has a greater impact on the sealing and stability of the gas storage reservoir.

[0005] In addition to affecting the sealing and stability of the artificial chamber gas storage, the higher air temperature will also cause a decrease in the effective gas storage capacity of the gas storage; when the compressed air pressure in the gas storage is increased from 10MPa to 15MPa, the temperature rises by more than 30°C, and the effective gas storage capacity of the gas storage will decrease by about 30%; in order to ensure the effective energy storage time of the compressed air energy storage power station, the volume of the gas storage needs to be increased by 30% to offset the decrease in gas storage capacity caused by the increase in temperature, so the construction cost of the gas storage will also be greatly increased.

[0006] Therefore, in order to solve the problem that the high temperature rise during the gas injection process of the existing artificial chamber gas storage affects the sealing and stability of the chamber and greatly increases the construction cost of the artificial chamber gas storage, it is necessary to develop a low-temperature rise artificial chamber gas storage system suitable for compressed air energy storage power stations. Summary of the invention

[0007] The purpose of the utility model is to overcome the shortcomings of the above-mentioned background technology and to provide a low-temperature rise artificial cavern gas storage system suitable for compressed air energy storage power stations, effectively reducing the temperature rise of the artificial cavern gas storage during the gas storage process, improving the sealing and stability of the gas storage, and reducing the cost of the gas storage.

[0008] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a low-temperature rise artificial cavern gas storage system suitable for a compressed air energy storage power station, comprising an artificial cavern gas storage, wherein the artificial cavern gas storage has a cavern, one end of the injection and production gas pipeline is located outside the artificial cavern gas storage and connected to the ground engineering part, and the other end passes through the artificial cavern gas storage and enters the cavern and is provided with a gas injection port;

[0009] It is characterized by: it also includes an atomizing spray system;

[0010] The atomizing spray system comprises a cooling tower pool or water tank installed outside the artificial chamber gas storage reservoir, a spray pipe installed on the gas injection port, and a sump located at the bottom of the chamber. The bottom side of the cooling tower pool or water tank is connected to the spray pipe through an atomizing spray water supply pipe, and an atomizing nozzle is arranged on the spray pipe. The top side of the cooling tower pool or water tank is connected to the sump through a sump return pipe.

[0011] The above technical solution also includes a forced heat exchange cooling system, which includes a plurality of groups of parallel operating coolers located in the chamber, the bottom side of the cooling tower pool or water tank is connected to the water inlet of the cooler through a cooling water supply pipe, and the top side of the cooling tower pool or water tank is connected to the return port of the cooler through a cooling water return pipe.

[0012] In the above technical scheme, one end of the atomizing spray water supply pipe and the cooling water supply pipe are connected to the bottom side of the cooling tower pool or water tank through the main water supply pipe, and the other end passes through the injection and production gas pipeline outside the cavern, enters the injection and production gas pipeline, passes out from the injection and production gas pipeline inside the cavern, and extends into the cavern; one end of the sump return pipe and the cooling water return pipe are connected to the top side of the cooling tower pool or water tank, and the other end passes through the injection and production gas pipeline outside the cavern, enters the injection and production gas pipeline, passes out from the injection and production gas pipeline inside the cavern, and extends into the cavern.

[0013] In the above technical solution, a spray water supply pump is provided on the atomizing spray water supply pipe, a sump return water pump is provided on the sump return water pipe, and a cooling water pump is provided on the cooling water supply pipe.

[0014] In the above technical scheme, it also includes a temperature control system, which includes temperature and pressure measuring points, spray water flow measuring points, cooling water flow measuring points and data acquisition and control devices. Multiple temperature and pressure measuring points are arranged on the inner wall of the chamber at intervals along the height direction. The spray water flow measuring point is arranged on the outlet pipeline of the spray water supply pump, and the spray water flow measuring point is located outside the chamber. The cooling water flow measuring point is arranged on the outlet pipeline of the cooling water pump, and the cooling water flow measuring point is located outside the chamber. The temperature and pressure measuring points, the spray water flow measuring points, and the cooling water flow measuring points collect and detect data in real time and upload them to the data acquisition and control device.

[0015] In the above technical solution, an anti-wear angle steel is provided at one end of the spray pipe facing the gas injection port.

[0016] In the above technical solution, the bottom of the chamber has a slope, the sump is located at the lowest point of the bottom of the chamber, and the sump can be single or multiple.

[0017] In the above technical solution, the artificial cavern gas storage includes a surrounding rock layer, a concrete lining layer and a steel plate sealing layer from the outside to the inside, and the steel plate sealing layer encloses a cavern.

[0018] In the above technical solution, the spray pipe is arranged in a single layer or multiple layers, and the spray pipe includes an annular spray pipe with a diameter larger than the injection and production gas pipeline, and a plurality of longitudinal spray pipes arranged longitudinally inside the annular spray pipe.

[0019] In the above technical solution, a spray water flow measuring point is arranged inside the chamber on the sump return pipe, and a cooling water flow measuring point is arranged outside the chamber.

[0020] Compared with the prior art, the utility model has the following advantages:

[0021] 1) The utility model adopts cooling water atomization spray and cooling water forced heat exchange to cool the air in the artificial cavern gas storage, which can reduce the air temperature rise during the gas storage process and ensure the sealing and stability of the gas storage. According to calculations, if 200,000 m 3 The gas storage pressure of the artificial chamber gas storage is pressurized from 10MPa to 15MPa, and the temperature rise of the artificial chamber gas storage exceeds 30℃. When the spraying water volume is 0.8t / h and the cooling water volume is greater than 1250t / h, the temperature rise of the artificial chamber gas storage is about 10℃.

[0022] 2) The utility model is a low-temperature artificial cavern gas storage system, which can greatly increase the effective gas storage capacity of the artificial cavern gas storage and reduce the volume and construction cost of the gas storage under the condition that the strength of the surrounding rock of the gas storage and the thickness of the steel plate sealing layer remain unchanged.

[0023] 3) The utility model is provided with an atomizing nozzle below the spray pipe, which can atomize water, significantly increase the contact area between the spray water and the air, and improve the cooling effect.

[0024] 4) The utility model provides an anti-wear angle steel above the spray pipe, which can prevent the high-velocity compressed air at the outlet of the injection and production pipeline in the gas storage reservoir from eroding and wearing the spray pipe, thereby increasing the service life of the spray pipe.

[0025] 5) In the utility model, the air and the outer surface of the heat exchange tube of the cooler are subjected to convection heat exchange to achieve the purpose of lowering the air temperature. Fins are arranged on the outside of the heat exchange tube to enhance the heat transfer effect, improve the effect of lowering the air temperature, reduce the volume of the cooler, and increase the effective volume of the artificial cavern gas storage reservoir.

[0026] 6) The utility model has multiple temperature and pressure measuring points, spray water, and cooling water flow measuring points, which can collect and analyze the temperature and pressure values ​​in the artificial chamber gas storage reservoir in real time, and dynamically adjust the spray water volume and cooling water volume according to the temperature rise rate of the gas storage process, thereby controlling the temperature rise of the artificial chamber gas storage reservoir.

[0027] 7) The utility model provides a single or multiple sump pits at the bottom of the chamber. The spray water that has not been vaporized after atomization spraying and the condensed water during the depressurization and venting of the gas storage reservoir flow along the slope of the bottom of the chamber and collect in the sump pit. The condensed water is transported to the ground through the internal pressure of the gas storage reservoir (in the operation stage of the gas storage reservoir) or the pump (in the maintenance stage of the gas storage reservoir), and returned to the cooling tower pool or water tank, so as to realize the recycling of the spray water and prevent excessive water accumulation at the bottom of the gas storage reservoir. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the utility model.

[0029] Figure 2 This is a structural schematic diagram of an artificial chamber gas storage.

[0030] Figure 3 It is a schematic diagram of the structure of the spray pipe and the injection and production gas pipeline.

[0031] Figure 4 It is a schematic diagram of the structure of the annular spray pipe and the longitudinal spray pipe.

[0032] Figure 5 This is a schematic diagram of the structure of the spray pipe.

[0033] Among them, 1-artificial chamber gas storage, 11-chamber, 12-gas injection and production pipeline, 121-gas injection port, 13-main water supply pipe, 14-surrounding rock layer, 15-concrete lining layer, 16-steel plate sealing layer, 2-atomizing spray system, 21-cooling tower pool or water tank, 22-spray pipe, 221-atomizing nozzle, 222-anti-wear angle steel, 223-annular spray pipe, 224-longitudinal spray pipe, 23-water collection pit, 321-cooling water pump , 24-atomizing spray water supply pipe, 241-spray water supply pump, 25-sump return pipe, 251-sump return pump, 26-steel, 3-forced heat exchange cooling system, 31-cooler, 32-cooling water supply pipe, 321-cooling water pump, 33-cooling water return pipe, 4-temperature control system, 41-temperature and pressure measuring point, 42-spray water flow measuring point, 43-cooling water flow measuring point, 44-data acquisition and control device. DETAILED DESCRIPTION

[0034] The following is a detailed description of the implementation of the utility model in conjunction with the accompanying drawings, but they do not constitute a limitation of the utility model and are only used as examples. At the same time, the advantages of the utility model will become clearer and easier to understand through the description.

[0035] Referring to the attached drawings, it can be seen that: a low-temperature rise artificial cavern gas storage system suitable for a compressed air energy storage power station comprises an artificial cavern gas storage 1, wherein the artificial cavern gas storage 1 has a cavern 11, and an injection and production gas pipeline 12 has one end located outside the artificial cavern gas storage 1 and connected to the ground engineering part, and the other end passes through the artificial cavern gas storage 1 and enters the cavern 11 and is provided with a gas injection port 121; the gas injection port 121 is sealed and connected to the connection of the cavern 11;

[0036] It is characterized by: it also includes an atomizing spray system 2;

[0037] The atomizing spray system 2 includes a cooling tower pool or water tank 21 installed outside the artificial chamber gas storage reservoir 1, a spray pipe 22 installed on the gas injection port 121, and a sump 23 located at the bottom of the chamber 11. The bottom side of the cooling tower pool or water tank 21 is connected to the spray pipe 22 through an atomizing spray water supply pipe 24, and an atomizing nozzle 221 is provided on the spray pipe 22. The top side of the cooling tower pool or water tank 21 is connected to the sump 23 through a sump return pipe 25; the spray pipe 22 is fixed to the gas injection port 121 through a steel section 26.

[0038] It also includes a forced heat exchange cooling system 3, which includes a plurality of groups of parallel operating coolers 31 located in the chamber 11, the bottom side of the cooling tower pool or water tank 21 is connected to the water inlet of the cooler 31 through a cooling water supply pipe 32, and the top side of the cooling tower pool or water tank 21 is connected to the return port of the cooler 31 through a cooling water return pipe 33.

[0039] One end of the atomizing spray water supply pipe 24 and the cooling water supply pipe 32 are connected to the bottom side of the cooling tower pool or water tank 21 through the main water supply pipe 13, and the other end passes through the injection and production gas pipeline 12 located outside the chamber 11, enters the injection and production gas pipeline 12, passes out from the injection and production gas pipeline 12 located in the chamber 11, and extends into the chamber 11; one end of the sump return pipe 25 and the cooling water return pipe 33 are connected to the top side of the cooling tower pool or water tank 21, and the other end passes through the injection and production gas pipeline 12 located outside the chamber 11, enters the injection and production gas pipeline 12, passes out from the injection and production gas pipeline 12 located in the chamber 11, and extends into the chamber 11.

[0040] The atomizing spray water supply pipe 24 is provided with a spray water supply pump 241 , the sump return water pipe 25 is provided with a sump return water pump 251 , and the cooling water supply pipe 32 is provided with a cooling water pump 321 .

[0041] It also includes a temperature control system 4, which includes a temperature and pressure measuring point 41, a spray water flow measuring point 42, a cooling water flow measuring point 43 and a data acquisition and control device 44. A plurality of the temperature and pressure measuring points 41 are arranged at intervals along the height direction on the inner wall of the chamber 11, the spray water flow measuring point 42 is arranged on the outlet pipeline of the spray water supply pump 241, and the spray water flow measuring point 42 is located outside the chamber 11. The cooling water flow measuring point 43 is arranged on the outlet pipeline of the cooling water pump 321, and the cooling water flow measuring point 43 is located outside the chamber 11. The temperature and pressure measuring points 41, the spray water flow measuring points 42, and the cooling water flow measuring points 43 collect and detect data in real time and upload them to the data acquisition and control device 44.

[0042] The spray pipe 22 is provided with an anti-wear angle steel 222 at one end facing the gas injection port 121; the anti-wear angle steel 222 can effectively prevent the spray pipe 22 from being eroded and worn by the high-velocity compressed air at the gas injection port 121, thereby increasing the service life of the spray pipe 22. The spray pipe 22 is fixed to the interface of the injection and production gas pipeline 12 by a steel section 26 to ensure the stability of the spray layer.

[0043] The bottom of the chamber 11 has a slope, and a single or multiple sump pits 23 are provided, and the sump pits 23 are located at the lowest point of the bottom of the chamber 11 .

[0044] The artificial chamber gas storage reservoir 1 includes a surrounding rock layer 14, a concrete lining layer 15 and a steel plate sealing layer 16 from the outside to the inside, and the steel plate sealing layer 16 encloses a chamber 11; the concrete lining layer 15 is attached to the inner wall of the excavated surrounding rock layer 14 to smooth the uneven surface of the surrounding rock layer 14, and the steel plate sealing layer 16 is close to the concrete lining layer 15, and the chamber 11 is used to store compressed air.

[0045] The spray pipe 22 is arranged in a single layer or multiple layers, and includes an annular spray pipe 223 having a diameter larger than the injection and production gas pipeline 12, and a plurality of longitudinal spray pipes 224 arranged longitudinally inside the annular spray pipe 223. The cooling water is mechanically atomized into tiny mist particles to increase the contact area with the air, so that the unsaturated compressed air after heating is cooled and cooled to become saturated wet air, thereby improving the cooling effect.

[0046] The sump return pipe 25 is provided with a spray water flow measurement point 42 inside the chamber 11 , and is provided with a cooling water flow measurement point 43 outside the chamber 11 .

[0047] In actual use, the atomizing spray water supply is driven by the spray water supply pump 241; when the artificial chamber gas storage reservoir 1 is working normally, the condensed water in the sump 23 is returned to the cooling tower pool or the water tank 21 by gravity through the internal pressure of the artificial chamber gas storage reservoir 1; the sump return water pump 251 is provided with an electric bypass. When the artificial chamber gas storage reservoir 1 is overhauled and maintained, the electric bypass of the sump return water pump 251 is closed, and the sump return water pump 251 is started, and the condensed water in the sump 23 is driven by the sump return water pump 251 to return to the cooling tower pool or the water tank 21.

[0048] The cooling water pump 321 and the spray water supply pump 241 share the main water supply pipe 13. The cooling water is driven by the cooling water pump 321 and indirectly exchanges heat with the air in the cooler 31 to cool the air. The heated cooling water returns to the mechanical ventilation cooling tower of the cooling tower pool or water tank 21 for cooling and then circulates.

[0049] The artificial chamber gas storage reservoir 1 can adopt a large tank type or a tunnel type gas storage reservoir. There is a hole on the top of the artificial chamber gas storage reservoir 1 that is connected to the chamber 11. The injection and production gas pipeline 12 passes through the hole and is connected to the chamber 11. The connection should be sealed.

[0050] The steel plate sealing layer 16 is made of carbon steel or stainless steel. If it is carbon steel, surface anti-corrosion treatment is required.

[0051] The spray water supply pump 241 adopts frequency conversion speed regulation or hydraulic coupling speed regulation or outlet adjustment valve regulation, and automatically adjusts the total water spraying volume according to the gas injection volume of the artificial chamber gas storage reservoir 1 and the temperature in the chamber 11.

[0052] The required amount of cooling water is calculated based on the total volume of the chamber 11, the total amount of stored air and the range of storage pressure air increase. A single or multiple collection pits 23 are set at the bottom of the chamber 11 to collect liquid water that is not absorbed by the compressed air and condensed water precipitated during the degassing and pressure reduction process of the artificial chamber gas storage reservoir 1.

[0053] The cooling water of the cooler 31 passes through the heat exchanger tube. The heat exchange tube of the cooler 31 is provided with fins on the outside to enhance heat transfer. The cooling water after heat exchange and temperature rise enters the top of the mechanical ventilation cooling tower, and after cooling down, it re-enters the cooling water supply pipe 32 to realize the circulation of cooling water.

[0054] The temperature and pressure measuring points 41 are set at different heights close to the wall surface in the chamber 11 , and the density of the measuring points is appropriately adjusted according to the structure of the chamber 11 .

[0055] The temperature and pressure measuring point 41 collects and monitors the temperature and pressure data of each point in the chamber 11 under each working condition in real time, and the data is uploaded to the data acquisition and control device 44 for recording and analysis.

[0056] The spray water flow measurement point 42 and the cooling water flow measurement point 43 are set on the outlet pipelines of the spray water supply pump 241 and the cooling water pump 321 to collect and detect the spray water and cooling water flows at the pump outlets under various working conditions in real time, and the data are uploaded to the data acquisition and control device 44 for recording and analysis.

[0057] According to the compressed air flow, pressure, temperature and pump outlet cooling water flow data during the gas injection process, the outlet flow of the spray water supply pump 241 and the outlet flow of the cooling water pump 321 are automatically adjusted through the data acquisition and control device 44 to control the temperature rise of the compressed air in the chamber 11.

[0058] Compressed air enters and exits the artificial cavern gas storage reservoir 1 through the gas injection and production pipeline 12. During gas injection, the cooled compressed air enters the cavern 11 from top to bottom through the gas injection port 121 of the gas injection and production pipeline 12.

[0059] The unvaporized cooling water after atomization spraying and the condensed water during depressurization and venting of the chamber 11 flow along the bottom slope of the chamber 11 and collect in the sump 23. The sump return pipe 25 returns the spray water collected in the sump 23 to the cooling tower pool or water tank 21, thereby realizing the recycling of the spray water.

[0060] Example 1

[0061] like Figure 1 and Figure 2 As shown, during the gas injection process of the artificial cavern gas storage reservoir 1, compressed air enters the cavern 11 through the gas injection port 121 at the end of the injection and production gas pipeline 12; at the same time, spray water is sprayed from the atomizing nozzle 221 below the spray pipe 22 to form mist droplets, and the unsaturated air contacts the droplets to form wet saturated air, and the air exchanges heat with the cooling water in the cooler 31 to achieve the purpose of low-temperature gas storage; the spray water is collected in a single or multiple sump 23 at the bottom, transported to the ground through the sump return pipe 25, and returned to the cooling tower pool or water tank 21, and the cooling water returns to the mechanical ventilation cooling tower of the cooling tower pool or water tank 21 on the ground.

[0062] A plurality of temperature and pressure measuring points 41 located inside the chamber 11 collect temperature data, and a data collection and control device 44 controls the flow rates of spray water and cooling water according to the temperature and pressure changes in the chamber 11 .

[0063] Other parts not described belong to the prior art.

Claims

1. A low-temperature artificial cavern gas storage system suitable for a compressed air energy storage power station, comprising an artificial cavern gas storage (1), wherein the artificial cavern gas storage (1) has a cavern (11), and an injection and production gas pipeline (12) has one end located outside the artificial cavern gas storage (1) and connected to an above-ground engineering part, and the other end passes through the artificial cavern gas storage (1) and enters the cavern (11) and is provided with a gas injection port (121); Features: Also includes an atomizing spray system (2); The atomizing spray system (2) comprises a cooling tower pool or a water tank (21) installed outside the artificial chamber gas storage reservoir (1), a spray pipe (22) installed on the gas injection port (121), and a sump (23) located at the bottom of the chamber (11); the bottom side of the cooling tower pool or the water tank (21) is connected to the spray pipe (22) via an atomizing spray water supply pipe (24); an atomizing nozzle (221) is provided on the spray pipe (22); and the top side of the cooling tower pool or the water tank (21) is connected to the sump (23) via a sump return pipe (25).

2. The low-temperature rise artificial cavern gas storage system suitable for a compressed air energy storage power station according to claim 1, characterized in that: It also includes a forced heat exchange cooling system (3), which includes a plurality of groups of parallel-operating coolers (31) located in the chamber (11), the bottom side of the cooling tower pool or water tank (21) is connected to the water inlet of the cooler (31) through a cooling water supply pipe (32), and the top side of the cooling tower pool or water tank (21) is connected to the water outlet of the cooler (31) through a cooling water return pipe (33).

3. The low-temperature rise artificial cavern gas storage system suitable for a compressed air energy storage power station according to claim 2, characterized in that: One end of the atomizing spray water supply pipe (24) and the cooling water supply pipe (32) is connected to the bottom side of the cooling tower pool or water tank (21) through the main water supply pipe (13), and the other end passes through the injection and production gas pipeline (12) located outside the chamber (11), enters the injection and production gas pipeline (12), passes out from the injection and production gas pipeline (12) located inside the chamber (11), and extends into the chamber (11); one end of the sump return pipe (25) and the cooling water return pipe (33) is connected to the top side of the cooling tower pool or water tank (21), and the other end passes through the injection and production gas pipeline (12) located outside the chamber (11), enters the injection and production gas pipeline (12), passes out from the injection and production gas pipeline (12) located inside the chamber (11), and extends into the chamber (11).

4. The low-temperature rise artificial cavern gas storage system suitable for a compressed air energy storage power station according to claim 3 is characterized in that: The atomizing spray water supply pipe (24) is provided with a spray water supply pump (241), the sump return water pipe (25) is provided with a sump return water pump (251), and the cooling water supply pipe (32) is provided with a cooling water pump (321).

5. The low temperature rise artificial cavern gas storage system suitable for compressed air energy storage power station according to claim 4 is characterized in that: The invention also comprises a temperature control system (4), wherein the temperature control system (4) comprises a temperature and pressure measuring point (41), a spray water flow measuring point (42), a cooling water flow measuring point (43) and a data acquisition and control device (44). A plurality of the temperature and pressure measuring points (41) are arranged at intervals on the inner wall of the chamber (11) along the height direction. The spray water flow measuring point (42) is arranged on the outlet pipeline of the spray water supply pump (241), and the spray water flow measuring point (42) is located outside the chamber (11). The cooling water flow measuring point (43) is arranged on the outlet pipeline of the cooling water pump (321), and the cooling water flow measuring point (43) is located outside the chamber (11). The temperature and pressure measuring points (41), the spray water flow measuring points (42) and the cooling water flow measuring points (43) collect and detect data in real time and upload the data to the data acquisition and control device (44).

6. The low-temperature rise artificial cavern gas storage system suitable for a compressed air energy storage power station according to claim 1, characterized in that: An anti-wear angle steel (222) is provided at one end of the spray pipe (22) facing the gas injection port (121).

7. The low-temperature rise artificial cavern gas storage system suitable for a compressed air energy storage power station according to claim 1, characterized in that: The bottom of the chamber (11) has a slope, and a single or multiple sump pits (23) are provided, and the sump pits (23) are located at the lowest point of the bottom of the chamber (11).

8. The low-temperature rise artificial cavern gas storage system suitable for a compressed air energy storage power station according to claim 1, characterized in that: The artificial chamber gas storage (1) comprises, from the outside to the inside, a surrounding rock layer (14), a concrete lining layer (15) and a steel plate sealing layer (16), and the steel plate sealing layer (16) encloses a chamber (11).

9. The low-temperature rise artificial cavern gas storage system suitable for a compressed air energy storage power station according to claim 6, characterized in that: The spray pipe (22) is arranged in a single layer or multiple layers, and comprises an annular spray pipe (223) having a diameter greater than that of the injection and production gas pipeline (12), and a plurality of longitudinal spray pipes (224) longitudinally arranged inside the annular spray pipe (223).

10. The low temperature rise artificial cavern gas storage system suitable for compressed air energy storage power station according to claim 5, characterized in that: The sump return pipe (25) is provided with a spray water flow measurement point (42) located inside the chamber (11), and a cooling water flow measurement point (43) is provided outside the chamber (11).

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