Water-gas flow rate testing device for drainage pipe of artificial chamber gas storage

Abstract

This utility model discloses a water-gas flow rate testing device for the drainage pipe of an artificial gas storage chamber. It includes a drainage and exhaust pipe, with a four-way pipe connected to one end via a flange. A drainage conduit is connected to the bottom of the four-way pipe, and a vortex flow meter is installed on the drainage conduit. An exhaust conduit is connected to the upper opening of the four-way pipe. Two branch pipes are connected to the upper end of the exhaust conduit via a three-way pipe. Gas flow meter 1 and gas flow meter 2 are installed on each of the two branch pipes. Solenoid valves are installed on each of the two branch pipes. The upper ends of the two branch pipes are connected to the exhaust conduit 2 via a three-way pipe. A transparent water tank is installed at one end of the exhaust conduit 2. A manual valve with a pressure relief port is installed at the opening of the four-way pipe. This utility model, by incorporating gas velocity detection and vortex flow meters, can detect leakage and seepage in the gas storage chamber. The transparent water tank allows for dynamic monitoring of the leakage situation by observing the quantity and frequency of air bubbles.

Description

Technical Field

[0001] This utility model relates to the field of artificial chamber gas storage technology, specifically to a water-gas flow rate testing device for the drainage pipe of an artificial chamber gas storage facility. Background Technology

[0002] In the development of compressed air energy storage technology, the artificial chamber gas storage is a key facility for energy storage and release. Its stable operation is crucial to the efficiency and safety of the entire energy storage system. The compressed air energy storage power station gas storage needs to design a drainage system on the lining or surrounding rock surface. The drainage system generally uses steel perforated pipes and is wrapped with geotextile materials to prevent concrete from flowing in, so as to reduce the impact of groundwater head on the lining and internal sealing system.

[0003] When a gas storage facility is initially pressurized, the lining will crack under high pressure, resulting in numerous penetrating cracks and fissures. Simultaneously, due to the slight permeability of the flexible sealing layer, high-pressure gas can penetrate the sealing layer to the lining surface. The gas then enters the drainage system through several micro-cracks and is finally vented to the access tunnel. To measure the specific gas leakage and groundwater volume to assess the operational status of the gas storage facility, excessive leakage will lead to a decrease in energy storage efficiency and may even cause safety hazards. Therefore, it is urgent to design a water-gas flow rate testing device for the drainage pipes of artificial chamber gas storage facilities to address these issues. Utility Model Content

[0004] The purpose of this invention is to provide a water-gas flow rate testing device for the drainage pipe of an artificial gas storage chamber, in order to overcome the above-mentioned shortcomings in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A water-gas flow rate testing device for the drainage pipe of an artificial gas storage chamber includes a drainage and exhaust pipe. One end of the drainage and exhaust pipe is flanged and connected to a four-way pipe. The bottom opening of the four-way pipe is connected to a drainage conduit, which is equipped with a vortex flow meter. The top opening of the four-way pipe is connected to an exhaust conduit one. The upper port of the exhaust conduit one is connected to two branch pipes via a three-way pipe. Each of the two branch pipes of the exhaust conduit one is equipped with a gas flow meter one and a gas flow meter two. Each of the two branch pipes of the exhaust conduit one is equipped with a solenoid valve. The upper ports of the two branch pipes of the exhaust conduit one are connected to an exhaust conduit two via a three-way pipe. One end of the exhaust conduit two is equipped with a transparent water tank. A manual valve is installed at the opening of the four-way pipe one, and the manual valve is equipped with a pressure relief port.

[0007] In a preferred embodiment of this utility model, the first gas flow meter is a high-flow gas flow meter, the second gas flow meter is a low-flow gas flow meter, and the first exhaust pipe is divided into a high-flow gas path and a low-flow gas path, which are dynamically switched by a solenoid valve.

[0008] In a preferred embodiment of this utility model, one end of the second exhaust pipe is disposed at the bottom of the transparent water tank, the transparent water tank contains purified water, the second exhaust pipe and the transparent water tank form a U-shaped communicating vessel, and the gas inside the second exhaust pipe will form bubbles inside the transparent water tank.

[0009] In a preferred embodiment of this utility model, the drainage conduit is a transparent water pipe, the drainage conduit is arranged in a U-shaped communicating vessel, one end of the drainage conduit is provided with a water outlet, and the position of the water outlet is slightly lower than the bottom of the four-way pipe.

[0010] In a preferred embodiment of this utility model, a PVC plastic plug is provided inside the pressure relief port, and the PVC plastic plug is adhered to the inside of the pressure relief port with glass glue.

[0011] In a preferred embodiment of this invention, the vortex flow meter is connected to a display via a wire, and the display is used to show the water flow rate.

[0012] In a preferred embodiment of this utility model, a pressure relief port is provided at one end of the manual valve, which is used to discharge gas and liquid in the drainage and exhaust pipe.

[0013] In the above technical solution, the water-gas flow rate testing device for the drainage pipe of the artificial chamber gas storage tank provided by this utility model has the following advantages:

[0014] (1) By setting up gas velocity detection and vortex flow meter, the leakage and seepage of gas storage can be detected, and the operating status of gas storage can be evaluated. During the filling process, as the pressure of gas storage increases, the amount of gas leakage also gradually increases. However, due to the limited range of gas flow meter, by setting up gas flow meter one and gas flow meter two, a larger range of gas flow can be measured. During operation, the measurement path is dynamically switched to improve the detection effect.

[0015] (2) By setting up a drainage pipe, since the groundwater volume is relatively constant, a relatively simple four-way valve is used to separate water and gas in the drainage pipe by gravity and to detect the flow rate. At the same time, the drainage pipe is a U-shaped communicating vessel structure, which can effectively prevent gas from entering the water path. Meanwhile, placing the vortex flow meter at a low position can achieve effective measurement of water volume.

[0016] (3) By setting up a transparent water tank, dynamic monitoring can be carried out through a camera system, and the amount and frequency of air bubbles can be dynamically understood to determine the air leakage situation.

[0017] (4) By setting up manual gates and pressure relief ports, the valves can be opened during normal operation to relieve pressure. If a large-scale leak occurs in the gas storage tank, the pressure relief port can be broken through to directly vent the gas, thus avoiding any impact on the measuring pipeline. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 This is a front view of the structure of the water-gas flow measurement device for the drainage pipe of the artificial chamber gas storage tank according to an embodiment of the present invention.

[0020] Figure 2 A three-dimensional view of the four-way pipe structure provided for an embodiment of the water-gas flow rate testing device for the drainage pipe of the artificial chamber gas storage facility of this utility model.

[0021] Figure 3 The flowchart of the water-gas flow measurement structure of the drainage pipe provided for the embodiment of the water-gas flow measurement device for the drainage pipe of the artificial chamber gas storage of this utility model.

[0022] 1. Drain and vent pipe; 2. Four-way pipe; 3. Manual valve; 4. Pressure relief port; 5. Drain pipe; 6. Vortex flow meter; 7. Vent pipe one; 8. Solenoid valve; 9. Gas flow meter one; 10. Gas flow meter two; 11. Vent pipe two; 12. Transparent water tank; 13. Pure water; 14. Display; 15. Water outlet; 16. Pressure relief port. Detailed Implementation

[0023] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0024] like Figure 1-3As shown in the embodiment of this utility model, the water-gas flow test device for the drainage pipe of the artificial chamber gas storage tank includes a drainage and exhaust pipe 1. A four-way pipe 2 is connected to one end of the drainage and exhaust pipe 1 via a flange. A drainage conduit 5 is connected to the bottom opening of the four-way pipe 2. A vortex flow meter 6 is installed on the drainage conduit 5. An exhaust conduit 7 is connected to the upper opening of the four-way pipe 2. Two branch pipes are provided at the upper port of the exhaust conduit 7 via a three-way pipe. Gas flow meter 9 and gas flow meter 10 are installed on each of the two branch pipes of the exhaust conduit 7. Solenoid valves 8 are installed on each of the two branch pipes of the exhaust conduit 7. An exhaust conduit 11 is connected to the upper port of the two branch pipes of the exhaust conduit 7 via a three-way pipe. A transparent water tank 12 is installed at one end of the exhaust conduit 11. A manual valve 3 is installed at one opening of the four-way pipe 2. A pressure relief port 4 is installed on the manual valve 3.

[0025] In this embodiment, an exhaust duct 1 7 is connected to the upper opening of the four-way pipe 2. The upper port of the exhaust duct 1 7 is provided with two branch pipes through a three-way pipe. The two branch pipes correspond to the high flow gas path and the low flow gas path, respectively. Gas flow meter 1 9 and gas flow meter 2 10 are provided on the two branch pipes on the exhaust duct 1 7. Solenoid valve 8 is provided on the two branch pipes on the exhaust duct 1 7.

[0026] Specifically, gas flow meter 9 is a high-flow gas flow meter, gas flow meter 10 is a low-flow gas flow meter, and exhaust pipe 7 is divided into a high-flow gas path and a low-flow gas path, which are dynamically switched by solenoid valve 8. When the gas leakage in the gas storage is large, the solenoid valve 8 on the high-flow gas path opens, and gas flow meter 9 can efficiently and accurately measure the large flow of gas. When the leakage is small, the solenoid valve 8 on the low-flow gas path is activated, and gas flow meter 10 can detect small changes in gas flow.

[0027] In this embodiment, the upper ports of the two branch pipes of exhaust duct 1 7 are connected to exhaust duct 2 11 via a T-junction. One end of exhaust duct 2 11 is equipped with a transparent water tank 12, which is located at the bottom of the transparent water tank 12. The transparent water tank 12 also plays a certain role in buffering and reducing the impact of direct discharge of high-pressure gas. The transparent water tank 12 is filled with pure water 13. The exhaust duct 2 11 and the transparent water tank 12 form a U-shaped connector. The gas inside the exhaust duct 2 11 will form bubbles inside the transparent water tank 12. When the gas enters the transparent water tank 12, the size and frequency of the bubbles formed in the pure water 13 are closely related to the gas flow rate. The operator can quickly determine whether the gas flow rate is stable by observing the bubble state. If the bubbles fluctuate abnormally, the operator can promptly check whether there is a malfunction in the device or whether the operating status of the gas storage tank has changed.

[0028] In this embodiment, the bottom opening of the four-way pipe 2 is connected to a drainage conduit 5, and a vortex flow meter 6 is installed on the drainage conduit 5. The drainage conduit 5 is a transparent water pipe and needs to be arranged in a U-shape. The arrangement of the U-shape can effectively balance the water pressure in the pipe and reduce the impact of water flow fluctuations on the measurement of the vortex flow meter 6. One end of the drainage conduit 5 is provided with a water outlet 15. The position of the water outlet 15 is slightly lower than the bottom of the four-way pipe 2 to ensure the smoothness of the drainage process, so that the groundwater flows continuously and stably through the vortex flow meter 6 and ensures the accuracy of the flow velocity measurement.

[0029] In this embodiment, a four-way pipe 2 is connected to one end of the drain and exhaust pipe 1 via a flange. The four openings of the four-way pipe 2 are respectively connected to the drain and exhaust pipe 1, the drain conduit 5, the exhaust conduit 7, and the manual valve 3, which realizes the effective separation of water and gas, ensuring that water and gas can enter the corresponding measurement channels separately without interfering with each other. A manual valve 3 is provided at one opening of the four-way pipe 2, and a pressure relief port 4 is provided on the manual valve 3. A PVC plastic plug is provided inside the pressure relief port 4. The PVC plastic plug is glued to the inside of the pressure relief port 4 with glass glue. When the pressure inside the device exceeds the preset safety value, the PVC plastic plug will be pushed open by the pressure, releasing the excess pressure and preventing the device from being damaged by high pressure.

[0030] In this embodiment, the vortex flow meter 6 is connected to a display 14 via wires. The display 14 is used to display the water flow rate, which can intuitively present the real-time flow rate data, making it easy for operators to keep track of changes in groundwater volume and providing a direct basis for evaluating the working efficiency of the drainage system.

[0031] In this embodiment, a pressure relief port 16 is provided at one end of the manual valve 3. The pressure relief port 16 is used to discharge gas and liquid in the drain and exhaust pipe 1. The setting of the pressure relief port 16 provides a channel for manually discharging gas and liquid in the pipe, which is convenient for manual operation after the test or in case of abnormality, thereby enhancing the safety and operability of the device.

[0032] Working steps: 1. Water vapor enters the four-way pipe 2 through the drainage and exhaust pipe 1, gas enters the exhaust duct 1 7, and groundwater enters the drainage duct 5.

[0033] 2. The vortex flow meter 6 on the drainage pipe 5 starts to work, monitors the water flow rate in real time, and transmits the data to the display 14. The water flow rate can be read through the display 14, and then the amount of groundwater and the water flow rate can be calculated.

[0034] 3. Based on the gas flow rate, the high-flow gas path and low-flow gas path of the exhaust pipe 7 are dynamically switched by the solenoid valve 8. When the gas flow rate is large, the high-flow gas path is switched; when the gas flow rate is small, the low-flow gas path is switched. The gas passes through the branch pipe and enters the exhaust pipe 11 through the three-way pipe, and enters the bottom of the transparent water tank 12 from one end of the exhaust pipe 11, forming bubbles in the pure water 13, which can help observe the gas flow.

[0035] 4. Record the gas flow data displayed by gas flow meter 9 and gas flow meter 10 respectively to determine the gas leakage. At the same time, continuously record the water flow data displayed on display 14 to complete a set of synchronous water-gas flow measurement.

[0036] 5. If it is necessary to discharge the gas and liquid in the drain and exhaust pipe 1, the pressure relief port 16 at one end of the manual valve 3 can be opened to discharge it. When the pressure inside the device is too high, the PVC plastic plug inside the pressure relief port 4 can be removed from the pressure relief port 4 under pressure, which can play a certain role in relieving pressure and ensuring the safety of the device.

[0037] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. The water-gas flow rate testing device for the drain pipe of the artificial chamber gas storage reservoir, comprising a drain and exhaust pipe (1), characterized in that, One end of the drainage and exhaust pipe (1) is flange-connected to a four-way pipe (2). The bottom opening of the four-way pipe (2) is connected to a drainage conduit (5). A vortex flowmeter (6) is provided on the drainage conduit (5). The upper opening of the four-way pipe (2) is connected to an exhaust conduit one (7). Two branch pipes are provided at the upper port of the exhaust conduit one (7) through a three-way pipe. Gas flowmeters one (9) and gas flowmeters two (10) are provided on both branch pipes of the exhaust conduit one (7). Solenoid valves (8) are provided on both branch pipes of the exhaust conduit one (7). The upper ports of the two branch pipes of the exhaust conduit one (7) are connected to an exhaust conduit two (11) through a three-way pipe. One end of the exhaust conduit two (11) is provided with a transparent water tank (12). A manual valve (3) is provided at one opening of the four-way pipe (2). A pressure relief port (4) is provided on the manual valve (3).

2. The water-air flow rate testing device for the drain pipe of the artificial chamber gas storage reservoir according to claim 1, wherein The gas flowmeter one (9) is a high-flow gas flowmeter, and the gas flowmeter two (10) is a low-flow gas flowmeter. The exhaust conduit one (7) is divided into a high-flow gas path and a low-flow gas path, and is dynamically switched through the solenoid valve (8).

3. The water-gas flow rate testing device for the drain pipe of the artificial chamber gas storage reservoir according to claim 1, wherein One end of the exhaust conduit two (11) is provided at the bottom of the transparent water tank (12). Pure water (13) is provided inside the transparent water tank (12). The exhaust conduit two (11) and the transparent water tank (12) form a U-shaped communicating vessel. The gas inside the exhaust conduit two (11) forms bubbles inside the transparent water tank (12).

4. The water-gas flow rate testing device for the drain pipe of the artificial chamber gas storage reservoir according to claim 1, wherein The drainage conduit (5) is a transparent water pipe. The drainage conduit (5) needs to be arranged as a U-shaped communicating vessel. One end of the drainage conduit (5) is provided with a water outlet (15), and the position of the water outlet (15) is slightly lower than the bottom of the four-way pipe (2).

5. The water-gas flow rate testing device for the drain pipe of the artificial chamber gas storage reservoir according to claim 1, wherein A PVC plastic plug is provided inside the pressure relief port (4), and the PVC plastic plug is adhesively bonded inside the pressure relief port (4) through glass glue.

6. The water-gas flow rate testing device for the drain pipe of the artificial chamber gas storage reservoir according to claim 1, wherein The vortex flowmeter (6) is connected to a display (14) through a wire, and the display (14) is used to display the water flow rate.

7. The water-gas flow rate testing device for the drain pipe of the artificial chamber gas storage reservoir according to claim 1, wherein A pressure discharge port (16) is provided at one end of the manual valve (3), and the pressure discharge port (16) is used to discharge the gas and liquid inside the drainage and exhaust pipe (1).

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