Control method and control system for circulating water pool of coal mine gas drainage pump station

Abstract

The invention relates to a control method and system for a circulating water pool of a coal mine gas drainage pump station. The control method comprises the steps that the water temperature in the circulating water pool, the water level in the circulating water pool and water flow in a water injection pipe are detected in real time; if it is judged that water flow exists in the water injection pipe, it is judged that the water level in the circulating water pool is lower than a first preset water level, the water injection valve is controlled to be opened for a first preset duration till the water level in the circulating water pool reaches a second preset water level, and the water injection valve is closed; if yes, a water injection valve and a water drainage valve are controlled to be opened, and water is cyclically changed until the water temperature in the circulating water pool is smaller than a first preset temperature value. The water flow in the water injection pipe and the water level and the water temperature in the circulating water pool are automatically detected and controlled, it can be guaranteed that the water temperature and the water level in the circulating water pool are within the preset range, and therefore the drainage efficiency of the water circulation gas drainage pump can be improved.

Description

Technical Field

[0001] This invention relates to the technical field, and more specifically, to a control method and control system for the circulating water tank of a coal mine gas drainage pumping station. Background Technology

[0002] Currently, the circulating water system of a coal mine surface gas drainage pumping station consists of a makeup water source 10, a low-level water tank 20, a circulating water pump 30, a high-level water tank 40, a cooling tower 50, and corresponding inlet and outlet water pipelines. For example... Figure 1 As shown, the working principle of the circulating water system is as follows: Circulating water pump 30 lifts water from the low-level water tank 20 to the cooling tower 50. After being cooled by air in the cooling tower 50, the water enters the high-level water tank 40. The high-level water tank 40 uses the water pressure formed by the natural drop to transport the water to the water circulation gas pump 60. The circulated water then enters the low-level water tank 20 through the drain pipe, forming a closed-loop water circulation system. During the circulation process, the water temperature in the low-level water tank 20 will gradually rise, and water in the low-level water tank 20 will be lost due to leakage or evaporation. In the existing technology, water is usually supplied to the low-level water tank 20 by manually opening the water supply valve of the replenishment water source periodically. However, this method has the following technical problems: manual periodic water replenishment has a monitoring lag and cannot adjust the water level or water temperature in the low-level water tank 20 in a timely manner. If the water level is too low or the water temperature is too high, the pumping efficiency of the water circulation gas pump will be low. Summary of the Invention

[0003] This invention provides a control method for the circulating water pool of a coal mine gas drainage pumping station, which solves the technical problem in the prior art that the existing technology uses manual periodic water replenishment, which has monitoring lag and cannot adjust the water level or water temperature in the low-level water pool in time. If the water level is too low or the water temperature is too high, it will lead to low drainage efficiency of the water circulating gas pump.

[0004] This invention provides a control method for a circulating water tank in a coal mine gas drainage pumping station. The circulating water tank is connected to an injection pipe and a drainage pipe. The injection pipe is equipped with a water flow sensor and an injection valve, and the drainage pipe is equipped with a drainage valve. The circulating water tank is equipped with a water level sensor and a temperature sensor. The water level sensor is electrically connected to the injection valve and the drainage valve. The temperature sensor is located near the bottom surface of the circulating water tank and is electrically connected to the injection valve and the drainage valve. The control method includes the following steps: S100, based on the temperature sensor, the water temperature in the circulating water tank is detected in real time; based on the water level sensor, the water level in the circulating water tank is detected in real time; and based on the water flow sensor, the water flow in the water injection pipe is detected. S102, determine whether there is water flow in the water injection pipe; if so, proceed to S104. S104, determine whether the water level in the circulating water tank is lower than the first preset water level; if so, execute S106. S106, control the opening of the water injection valve and continue for a first preset time until the water level in the circulating water tank reaches a second preset water level, then execute S108. S108, determine whether the water temperature in the circulating water tank is lower than the first preset temperature value. If yes, close the water injection valve; otherwise, execute S110. S110, control the opening of the water injection valve and the drain valve and continue for a second preset time to circulate water until the water temperature in the circulating water tank is lower than the first preset temperature value. The second preset water level is higher than the first preset water level.

[0005] Optionally, after step S110, whereby the water inlet valve and the drain valve are opened and maintained for a second preset duration until the water temperature in the circulating water tank is lower than the first preset temperature value, the control method further includes: S112, determine whether the water level in the circulating water tank is maintained at the second preset water level; if so, close the water injection valve.

[0006] Optionally, in step S102, the step of determining whether there is water flow in the water injection pipe further includes: if so, then step S114 is executed; S114, determine whether the water level in the circulating water tank is higher than the third preset water level; if so, execute S116. S116, control the opening of the drain valve and continue for a third preset time until the water level in the circulating water tank reaches the second preset water level, then close the drain valve; S118, determine whether the water temperature in the circulating water tank is higher than the second preset temperature value. If yes, execute S110; otherwise, close the water inlet valve and the drain valve. Wherein, the third preset water level is higher than the second preset water level, and the second preset temperature value is greater than the first preset temperature value.

[0007] Optionally, the ratio of the first preset water level to the depth of the circulating water pool is between 30% and 35%; the ratio of the second preset water level to the depth of the circulating water pool is between 70% and 75%; and the ratio of the third preset water level to the depth of the circulating water pool is between 90% and 95%.

[0008] Optionally, in step S102, the step of determining whether there is water flow in the water injection pipe further includes: if so, executing step S126; S126, determine whether the water level in the circulating water tank is between the first preset water level and the second preset water level, and whether the water temperature in the circulating water tank is greater than the second preset temperature value. If so, execute S110. The second preset temperature value is greater than the first preset temperature value.

[0009] Optionally, S110, the step of controlling the opening of the water injection valve and the drain valve and continuing for a second preset time to circulate and change the water until the water temperature in the circulating water tank is lower than the first preset temperature value specifically includes: By proportionally adjusting the opening of the water injection valve and the water drainage valve, the water level fluctuation in the circulating water tank is kept within a preset water level fluctuation range.

[0010] Optionally, between step S100 and step S102, the control method further includes: S101, determine whether the water level in the circulating water tank is between the first preset water level and the second preset water level, and whether the water temperature in the circulating water tank is lower than the first preset temperature value. If not, execute S104; if yes, control or keep the drain valve closed.

[0011] Optionally, the first preset temperature value is between 32℃ and 35℃; the second preset temperature value is between 38℃ and 40℃.

[0012] Compared with the existing technology of manually and periodically turning on the water supply, the control method of the circulating water pool of a coal mine gas drainage pumping station provided by the present invention has at least the following beneficial technical effects: This invention eliminates the need for manual intervention, reducing the burden of manual monitoring and preventing delays in adjusting the water level and temperature in the circulating water tank. This avoids situations where the water level or temperature in the circulating water tank is too low, leading to low pumping efficiency of the water circulating gas pump. In other words, it achieves automatic detection and control of the water flow in the injection pipe, the water level in the circulating water tank, and the water temperature in the circulating water tank, ensuring that the water temperature and level in the circulating water tank are within the aforementioned preset range, thereby improving the pumping efficiency of the water circulating gas pump.

[0013] This invention also provides a control system for a circulating water tank in a coal mine gas drainage pumping station, applying the aforementioned control method for the circulating water tank of a coal mine gas drainage pumping station. The control system includes: The detection module includes a temperature sensor, a water level sensor, and a water flow sensor. The temperature sensor is used to detect the water temperature in the circulating water tank, the water level sensor is used to detect the water level in the circulating water tank, and the water flow sensor is used to detect the water flow in the water injection pipe. A water level control module is configured to, when the water level in the circulating water tank is lower than the first preset water level, control the opening of the water injection valve and maintain it for a first preset time until the water level in the circulating water tank reaches the second preset water level; and... The water temperature control module is used to control the opening of the water injection valve and the water drain valve for a second preset time and to circulate water until the water temperature in the circulating water tank is lower than the first preset temperature value when the water level in the circulating water tank reaches the second preset water level and the water temperature in the circulating water tank is greater than or equal to the first preset temperature value.

[0014] The present invention provides a control system for the circulating water tank of a coal mine gas drainage pumping station, which has all the technical effects of the control method for the circulating water tank of the above-mentioned coal mine gas drainage pumping station, and will not be repeated here. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the circulating water system of a coal mine surface gas drainage pumping station in the existing technology. Figure 2 A schematic diagram of the structure of the circulating water tank in a coal mine gas drainage pumping station control method provided in this embodiment of the invention; Figure 3 A schematic flowchart illustrating a control method for a circulating water tank in a coal mine gas drainage pumping station, provided in an embodiment of the present invention. Figure 4 This is a schematic diagram of the control system of the circulating water tank of a coal mine gas drainage pumping station provided in an embodiment of the present invention.

[0016] Explanation of reference numerals in the attached figures: 10. Water supply source; 20. Low-level water tank; 30. Circulating water pump; 40. High-level water tank; 50. Cooling tower; 60. Water circulation gas pump; 70. Circulating water tank; 701. Water level sensor; 702. Temperature sensor; 80. Water injection pipe; 801. Water injection valve; 802. Water flow sensor; 90. Drain pipe; 901. Drain valve; L1. First preset water level; L2. Second preset water level; L3. Third preset water level; 100. Detection module; 200. Water level control module; 300. Water temperature control module. Detailed Implementation

[0017] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the following description is provided in conjunction with the accompanying drawings. Figure 2-4 Specific embodiments of the present invention will be described in detail below.

[0018] This invention provides a control method for the circulating water tank of a coal mine gas drainage pumping station, see appendix. Figure 2 The circulating water tank 70 is connected to an injection pipe 80 and a drain pipe 90. The injection pipe 80 is equipped with a water flow sensor 802 and an injection valve 801, and the drain pipe 90 is equipped with a drain valve 901. The circulating water tank 70 is equipped with a water level sensor 701 and a temperature sensor 702. Figure 2As shown, a water level sensor 701 is installed at the first preset water level L1, the second preset water level L2, and the third preset water level L3, respectively. The water level sensor 701 is electrically connected to the water injection valve 801 and the drain valve 901. A temperature sensor 702 is located near the bottom surface of the circulating water tank 70 and is electrically connected to the water injection valve 801 and the drain valve 901. It should be noted that the circulating water pump lifts water from the circulating water tank 70 to the cooling tower. After being cooled by air in the cooling tower, the water enters the upper water tank. The upper water tank uses the water pressure formed by the natural drop to transport the water to the water circulation gas pump. The circulated water then enters the circulating water tank 70 through the drain pipe 90, forming a closed-loop water circulation system. See Appendix. Figure 3 The control method includes the following steps: S100, based on temperature sensor 702 to detect water temperature in circulating water tank 70 in real time, based on water level sensor 701 to detect water level in circulating water tank 70 in real time, and based on water flow sensor 802 to detect water flow in water injection pipe 80; S102, determine if there is water flow in the water inlet pipe 80. If yes, proceed to S104; otherwise, close the drain valve 901. S104, determine whether the water level in the circulating water tank 70 is lower than the first preset water level L1. If so, execute S106. S106, control the opening of the water injection valve 801 and continue for a first preset time until the water level in the circulating water tank 70 reaches the second preset water level L2, then close the water injection valve 801 and execute S108. S108, determine whether the water temperature in the circulating water tank 70 is lower than the first preset temperature value. If yes, close the water injection valve 801; otherwise, execute S110. S110, control the opening of water injection valve 801 and drain valve 901 and continue for a second preset time to circulate water until the water temperature in the circulating water tank 70 is lower than the first preset temperature value. The second preset water level L2 is higher than the first preset water level L1.

[0019] Compared with the existing technology that requires manual periodic activation of the water supply, the control method for the circulating water pool of a coal mine gas drainage pumping station provided in this embodiment of the invention does not require manual intervention, reducing the burden of manual monitoring and avoiding the inability to adjust the water level and temperature in the circulating water pool 70 in a timely manner due to the lag in manual monitoring. This avoids the water level in the circulating water pool 70 being too low or the water temperature being too high, which would lead to low drainage efficiency of the water circulating gas pump. In other words, it realizes the automatic detection and control of the water flow in the water injection pipe 80, the water level in the circulating water pool 70, and the water temperature in the circulating water pool 70, which can ensure that the water temperature and water level in the circulating water pool 70 are within the above-mentioned preset range, thereby improving the drainage efficiency of the water circulating gas drainage pump. Specifically, firstly, the water flow sensor 802 determines whether there is water flow in the water injection pipe 80. When water flow is detected in the water injection pipe 80, the water level and temperature in the circulating water tank 70 are detected and judged, and corresponding controls are executed. Conversely, the drain valve 901 remains closed to prevent the water level in the circulating water tank 70 from being too low, which could cause the circulating water pump to run dry and be damaged, thus ensuring the continuous and stable operation of gas extraction. Secondly, the water level sensor 701 monitors the water level in the circulating water tank 70 in real time. When the water level in the circulating water tank 70 is lower than the first preset water level L1, the water injection valve 801 is automatically opened and water is continuously injected until the water level in the circulating water tank 70 reaches the second preset water level L2, at which point the water injection valve 801 is closed, ensuring that the water level in the circulating water tank 70 is always within a certain range, avoiding manual intervention. The lag in monitoring water level can effectively prevent the circulating water pump from running dry and being damaged due to excessively low water level in the circulating water tank 70, thus ensuring the continuous and stable operation of gas extraction. Thirdly, the water temperature in the circulating water tank 70 is detected in real time by the temperature sensor 702. When the water temperature in the circulating water tank 70 is lower than the first preset temperature value, the water injection valve 801 is closed. Conversely, the water injection valve 801 and the drain valve 901 are opened simultaneously to circulate water until the water temperature in the circulating water tank 70 drops below the first preset temperature value. This can effectively prevent the gas extraction efficiency of the water circulating pump from decreasing due to excessively high water temperature in the circulating water tank 70, as well as prevent scaling inside the water circulating gas pump. This optimizes the operating temperature of the water circulating gas pump, improves its extraction efficiency, and extends its service life.

[0020] In this embodiment of the invention, see appendix. Figure 3After step S110, which controls the opening of the water injection valve 801 and the drain valve 901 for a second preset time until the water temperature in the circulating water tank 70 is lower than the first preset temperature value, the control method further includes: S112, determining whether the water level in the circulating water tank 70 is maintained at the second preset water level L2; if so, closing the water injection valve 801. This setting ensures that after the water level in the circulating water tank 70 is lower than the first preset temperature value, the water level in the circulating water tank 70 is maintained at the second preset water level L2, providing sufficient water for the operation of the water-circulating gas pump, thereby ensuring continuous and stable operation of gas extraction and improving the efficiency of gas extraction.

[0021] In this embodiment of the invention, referring to the accompanying drawings, in step S102, the step of determining whether there is water flow in the water injection pipe 80 further includes: if so, then step S114 is executed; S114, determine whether the water level in the circulating water tank 70 is higher than the third preset water level. If so, execute S116. S116, control the opening of drain valve 901 and continue for a third preset time until the water level in the circulating water tank 70 reaches the second preset water level L2, then close drain valve 901. S118, determine whether the water temperature in the circulating water tank 70 is higher than the second preset temperature value. If yes, execute S110; otherwise, close the water inlet valve 801 and the drain valve 901. The third preset water level is higher than the second preset water level L2, and the second preset temperature value is higher than the first preset temperature value. With this setting, if the water level in the circulating water tank 70 is higher than the third preset water level, the drain valve 901 is opened to drain water until the water level in the circulating water tank 70 reaches the second preset water level L2, thus preventing overflow due to excessive water level. After the water level reaches the second preset water level L2, if the water temperature in the circulating water tank 70 is higher than the second preset temperature value, the water inlet valve 801 and drain valve 901 are opened to circulate water and control the temperature. This effectively prevents the water circulation gas pump from reducing its pumping efficiency due to excessively high water temperature in the circulating water tank 70, and also prevents scaling inside the water circulation gas pump. This optimizes the operating temperature of the water circulation gas pump, thereby improving its pumping efficiency and extending its lifespan.

[0022] In this embodiment of the invention, the ratio of the first preset water level L1 to the depth of the circulating water tank 70 is between 30% and 35%; the ratio of the second preset water level L2 to the depth of the circulating water tank 70 is between 70% and 75%; and the ratio of the third preset water level to the depth of the circulating water tank 70 is between 90% and 95%. This configuration avoids excessively high water levels in the circulating water tank 70, which could lead to overflow, and also avoids excessively low water levels in the circulating water tank 70, which could affect the gas extraction efficiency.

[0023] In this embodiment of the invention, S102, the step of determining whether there is water flow in the water injection pipe 80 further includes: if so, executing S126; S126, determine whether the water level in the circulating water tank 70 is between the first preset water level L1 and the second preset water level L2, and whether the water temperature in the circulating water tank 70 is greater than the second preset temperature value. If so, execute S110. The second preset temperature value is greater than the first preset temperature value. With this setting, when the water level in the circulating water tank 70 is within the preset range, if the water temperature in the circulating water tank 70 is greater than the second preset temperature value, the inlet valve and outlet valve 901 are opened to circulate water and control the temperature. This effectively prevents the water circulation gas pump from reducing its pumping efficiency due to excessively high water temperature in the circulating water tank 70, and also prevents scaling inside the water circulation gas pump. It optimizes the operating temperature of the water circulation gas pump, thereby improving its pumping efficiency and extending its lifespan.

[0024] In this embodiment of the invention, the first preset temperature value is between 32℃ and 35℃; the second preset temperature value is between 38℃ and 40℃.

[0025] In this embodiment of the invention, step S110, controlling the opening of the water injection valve 801 and the drain valve 901 and continuing for a second preset time to circulate water until the water temperature in the circulating water tank 70 is lower than a first preset temperature value, specifically includes: adjusting the opening degree of the water injection valve 801 and the drain valve 901 proportionally to maintain the water level fluctuation value in the circulating water tank 70 within a preset water level fluctuation range. This setting ensures that during the water temperature adjustment process, the water level fluctuation in the circulating water tank 70 remains within the aforementioned preset range, preventing large water level fluctuations that could cause excessively high water levels leading to overflow, or excessively low water levels leading to insufficient water, thereby affecting the gas extraction efficiency.

[0026] In this embodiment of the invention, see appendix. Figure 3 Between steps S100 and S102, the control method further includes: S101, determine whether the water level in the circulating water tank 70 is between the first preset water level L1 and the second preset water level L2, and whether the water temperature in the circulating water tank 70 is lower than the first preset temperature value. If not, execute S104; if yes, control or keep the drain valve 901 closed.

[0027] This invention also provides a control system for the circulating water tank of a coal mine gas drainage pumping station, applying the aforementioned control method for the circulating water tank of a coal mine gas drainage pumping station, see appendix. Figure 4 The control system includes: The detection module 100 includes a temperature sensor 702, a water level sensor 701, and a water flow sensor 802. The temperature sensor 702 is used to detect the water temperature in the circulating water tank 70, the water level sensor 701 is used to detect the water level in the circulating water tank 70, and the water flow sensor 802 is used to detect the water flow in the water injection pipe 80. The water level control module 200 is used to control the opening of the water injection valve 801 and maintain it for a first preset time when the water level in the circulating water tank 70 is lower than the first preset water level L1, until the water level in the circulating water tank 70 reaches the second preset water level L2; and, The water temperature control module 300 is used to control the opening of the water inlet valve 801 and the drain valve 901 for a second preset time after the water level in the circulating water tank 70 reaches the second preset water level L2 and the water temperature in the circulating water tank 70 is greater than or equal to the first preset temperature value, so as to circulate and change the water until the water temperature in the circulating water tank 70 is less than the first preset temperature value.

[0028] The control system for the circulating water tank 70 of a coal mine gas drainage pumping station provided in this embodiment of the invention has all the technical effects of the control method for the circulating water tank of the coal mine gas drainage pumping station described above, and will not be repeated here.

[0029] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A control method for the circulating water tank of a coal mine gas drainage pumping station, characterized in that, The circulating water tank (70) is connected to an injection pipe (80) and a drain pipe (90). The injection pipe (80) is equipped with a water flow sensor (802) and an injection valve (801). The drain pipe (90) is equipped with a drain valve (901). The circulating water tank (70) is equipped with a water level sensor (701) and a temperature sensor (702). The water level sensor (701) is electrically connected to the injection valve (801) and the drain valve (901). The temperature sensor (702) is located near the bottom surface of the circulating water tank (70) and is electrically connected to the injection valve (801) and the drain valve (901). The control method includes the following steps: S100, the water temperature in the circulating water tank (70) is detected in real time based on the temperature sensor (702), the water level in the circulating water tank (70) is detected in real time based on the water level sensor (701), and the water flow in the water injection pipe (80) is detected based on the water flow sensor (802); S102, determine whether there is water flow in the water injection pipe (80), if so, execute S104; S104, determine whether the water level in the circulating water tank (70) is lower than the first preset water level (L1). If so, execute S106. S106, control the opening of the water injection valve (801) and continue for a first preset time until the water level in the circulating water tank (70) reaches the second preset water level (L2), then execute S108; S108, determine whether the water temperature in the circulating water tank (70) is lower than the first preset temperature value. If yes, close the water injection valve (801); otherwise, execute S110. S110, control the opening of the water injection valve (801) and the drain valve (901) and continue for a second preset time to circulate water until the water temperature in the circulating water tank (70) is lower than the first preset temperature value; The second preset water level (L2) is higher than the first preset water level (L1).

2. The control method for the circulating water tank of a coal mine gas drainage pumping station according to claim 1, characterized in that, S110, after controlling the opening of the water injection valve (801) and the drain valve (901) for a second preset time until the water temperature in the circulating water tank (70) is lower than the first preset temperature value, the control method further includes: S112, determine whether the water level in the circulating water tank (70) is maintained at the second preset water level (L2). If so, close the water injection valve (801).

3. The control method for the circulating water tank of a coal mine gas drainage pumping station according to claim 1, characterized in that, S102, the step of determining whether there is water flow in the water injection pipe (80) further includes: if so, then execute S114; S114, determine whether the water level in the circulating water tank (70) is higher than the third preset water level; if so, execute S116. S116, control the opening of the drain valve (901) and continue for a third preset time until the water level in the circulating water tank (70) reaches the second preset water level (L2), then close the drain valve (901). S118, determine whether the water temperature in the circulating water tank (70) is higher than the second preset temperature value. If yes, execute S110; otherwise, close the water injection valve (801) and the drain valve (901). Wherein, the third preset water level is higher than the second preset water level (L2), and the second preset temperature value is greater than the first preset temperature value.

4. The control method for the circulating water tank of a coal mine gas drainage pumping station according to claim 3, characterized in that, The ratio of the first preset water level (L1) to the depth of the circulating water tank (70) is between 30% and 35%; the ratio of the second preset water level (L2) to the depth of the circulating water tank (70) is between 70% and 75%; and the ratio of the third preset water level to the depth of the circulating water tank (70) is between 90% and 95%.

5. The control method for the circulating water tank of a coal mine gas drainage pumping station according to claim 1, characterized in that, S102, the step of determining whether there is water flow in the water injection pipe (80) further includes: if so, executing S126; S126, determine whether the water level in the circulating water tank (70) is between the first preset water level (L1) and the second preset water level (L2), and whether the water temperature in the circulating water tank (70) is greater than the second preset temperature value. If so, execute S110. The second preset temperature value is greater than the first preset temperature value.

6. The control method for the circulating water tank of a coal mine gas drainage pumping station according to any one of claims 1-5, characterized in that, S110, the step of controlling the opening of the water injection valve (801) and the drain valve (901) and continuing for a second preset time to circulate and change the water until the water temperature in the circulating water tank (70) is lower than the first preset temperature value specifically includes: By proportionally adjusting the opening of the water injection valve (801) and the drain valve (901), the water level fluctuation in the circulating water tank (70) is kept within the preset water level fluctuation range.

7. The control method for the circulating water tank of a coal mine gas drainage pumping station according to any one of claims 1-5, characterized in that, Between step S100 and step S102, the control method further includes: S101, determine whether the water level in the circulating water tank (70) is between the first preset water level (L1) and the second preset water level (L2), and whether the water temperature in the circulating water tank (70) is lower than the first preset temperature value. If not, execute S104; if yes, control or keep the drain valve (901) closed.

8. The control method for the circulating water tank of a coal mine gas drainage pumping station according to claim 1, characterized in that, The first preset temperature value is between 32℃ and 35℃; the second preset temperature value is between 38℃ and 40℃.

9. A control system for a circulating water tank in a coal mine gas drainage pumping station, characterized in that, The control method for the circulating water tank of a coal mine gas drainage pumping station according to any one of claims 1-8, wherein the control system comprises: The detection module (1) includes a temperature sensor (702), a water level sensor (701), and a water flow sensor (802). The temperature sensor (702) is used to detect the water temperature in the circulating water tank (70), the water level sensor (701) is used to detect the water level in the circulating water tank (70), and the water flow sensor (802) is used to detect the water flow in the water injection pipe (80). The water level control module (2) is used to control the opening of the water injection valve (801) and its operation for a first preset time duration when the water level in the circulating water tank (70) is lower than the first preset water level (L1), until the water level in the circulating water tank (70) reaches the second preset water level (L2); and, The water temperature control module (3) is used to control the opening of the water injection valve (801) and the drain valve (901) and to continuously circulate water for a second preset time when the water level in the circulating water tank (70) reaches the second preset water level (L2) and the water temperature in the circulating water tank (70) is greater than or equal to the first preset temperature value, until the water temperature in the circulating water tank (70) is less than the first preset temperature value.

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