Method and device for determining the tightness of an electrolytic cell, storage medium and electronic device

CN119779595BActive Publication Date: 2026-10-23HUANENG CLEAN ENERGY RES INST +1
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Patent Information

Application Number
CN202411972198.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-10-23
Estimated Expiration
2044-12-30

AI Technical Summary

Technical Problem

[0005]本申请实施例提供了一种电解槽密封性的确定方法及装置、存储介质及电子装置,以至少解决相关技术中,在运行中实时监测电解槽对应密封性能的过程太过复杂问题

Benefits of technology

[0016]通过本申请,在电解槽处于运行状态的情况下,定期通过第一检测单元获取电解槽的气体流量信息,以及通过第二检测单元获取电解槽的电解参数信息;根据气体流量信息确定电解槽对应的氧气气体流量变化;根据电解参数信息确定电解槽对应的实时阻值变化;基于氧气气体流量变化和实时阻值变化确定电解槽是否存在密封性降低的泄露状况。采用上述技术方案,解决了在运行中实时监测电解槽对应密封性能的过程太过复杂的问题。进而,通过监测气体流量和电解参数信息,实时检测电解槽的密封性,确保设备运行正常。

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Abstract

The application discloses a method and device for determining the sealing performance of an electrolytic cell, a storage medium and an electronic device. The method comprises: periodically acquiring gas flow information of the electrolytic cell by a first detection unit and acquiring electrolysis parameter information of the electrolytic cell by a second detection unit when the electrolytic cell is in a running state; determining the oxygen gas flow change corresponding to the electrolytic cell according to the gas flow information; determining the real-time resistance value change corresponding to the electrolytic cell according to the electrolysis parameter information; and determining whether the electrolytic cell has a leakage condition of reduced sealing performance based on the oxygen gas flow change and the real-time resistance value change. The method solves the problem that the process of monitoring the sealing performance of the electrolytic cell in real time during running is too complex. Furthermore, the sealing performance of the electrolytic cell is detected in real time by monitoring the gas flow and the electrolysis parameter information, so that the normal operation of the equipment is ensured.
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Description

Technical Field

[0001] This application relates to the field of alkaline electrolytic cell quality testing technology, and more specifically, to a method and apparatus for determining the sealing performance of an electrolytic cell, a storage medium, and an electronic device. Background Technology

[0002] Electrolysis of alkaline water for hydrogen production is currently the most mature and widely demonstrated technology. The alkaline electrolyzer is one of the core components of this process, and its quality directly affects the safe and reliable operation of the system. However, the high temperature and pressure during operation place high demands on the quality of the electrolyzer materials, potentially leading to gas or liquid leaks, resulting in decreased production efficiency, material waste, and operational safety issues. To ensure stable operation, real-time monitoring of the electrolyzer's sealing performance is necessary. Existing sealing testing techniques for alkaline electrolyzers commonly use a pressure method combining airtightness testing and internal leakage testing for pre-startup testing. However, this method is not applicable during the actual operation of the alkaline electrolyzer. In practice, leaks are often only observed after they have already occurred, lacking a direct and quantitative predictive testing technology to support and assess whether the alkaline electrolyzer is in a qualified sealing state for safe operation.

[0003] There is currently no effective solution to the problem that the process of real-time monitoring of the sealing performance of the electrolytic cell during operation is too complex in related technologies.

[0004] Therefore, it is necessary to improve the existing related technologies to overcome the aforementioned defects and meet the needs of current actual production. Summary of the Invention

[0005] This application provides a method and apparatus for determining the sealing performance of an electrolytic cell, a storage medium, and an electronic device, to at least solve the problem in the related art that the process of real-time monitoring of the sealing performance of an electrolytic cell during operation is too complicated.

[0006] According to one aspect of the embodiments of this application, a method for determining the sealing performance of an electrolytic cell is provided, comprising: when the electrolytic cell is in operation, periodically acquiring gas flow information of the electrolytic cell through a first detection unit, and acquiring electrolysis parameter information of the electrolytic cell through a second detection unit; determining the change in oxygen gas flow corresponding to the electrolytic cell based on the gas flow information; determining the change in real-time resistance corresponding to the electrolytic cell based on the electrolysis parameter information; and determining whether there is a leakage condition with reduced sealing performance of the electrolytic cell based on the change in oxygen gas flow and the change in real-time resistance.

[0007] In an exemplary embodiment, obtaining gas flow information of an electrolyzer through a first detection unit includes: receiving a first control command issued by a target object, wherein the first control command is used to open the first detection unit in the detection system and set a third operating parameter of the gas flow meter in the first detection unit; recording gas flow data corresponding to the electrolyzer when the first control command is executed; and determining the gas flow information of the electrolyzer based on the gas flow data.

[0008] In an exemplary embodiment, obtaining electrolysis parameter information of the electrolytic cell through the second detection unit includes: receiving a second control command issued by the target object, wherein the second control command is used to open the second detection unit in the detection system and set the first operating parameters of the electrochemical workstation in the second detection unit and the second operating parameters of the electronic load in the second detection unit; when executing the second control command, measuring the electrolysis data corresponding to the electrolytic cell, wherein the electrolysis data includes at least: the measured value of the current used during electrolysis, the measured value of the voltage used during electrolysis, and the corresponding real-time resistance value during electrolysis; and determining the electrolysis parameter information of the electrolytic cell based on the electrolysis data.

[0009] In an exemplary embodiment, determining whether the electrolyzer has a reduced sealing performance leakage condition based on changes in oxygen gas flow rate and real-time resistance changes includes: determining that the electrolyzer does not have a reduced sealing performance leakage condition when the flow rate trend corresponding to the oxygen gas flow rate change is continuously decreasing and the real-time resistance change is a normal trend; determining that the electrolyzer has a first sub-leakage with reduced sealing performance when the flow rate trend corresponding to the oxygen gas flow rate change is continuously decreasing and the real-time resistance change is an abnormal trend; wherein the first sub-leakage is a liquid leak type; and determining that the electrolyzer has a second sub-leakage with reduced sealing performance when the resistance trend corresponding to the real-time resistance change is continuously increasing, wherein the second sub-leakage is a gas leak type.

[0010] In an exemplary embodiment, after determining whether there is a leak in the electrolyzer due to reduced sealing based on changes in oxygen gas flow rate and real-time resistance, the method further includes: sending an alarm notification to a target object when there is a leak in the electrolyzer due to reduced sealing; wherein the alarm notification is used to instruct the target object to perform maintenance on the electrolyzer; and obtaining a processing task generated by the target object in response to the alarm notification.

[0011] In an exemplary embodiment, after obtaining the processing task generated by the target object in response to the alarm prompt information, the above method further includes: recording the processing task in the detection log, and determining the target oxygen gas flow rate change and the target real-time resistance change updated after the processing task is executed; if the flow rate trend corresponding to the target oxygen gas flow rate change is continuous and the target real-time resistance change is a normal trend, it is determined that the sealing performance of the electrolytic cell has been repaired.

[0012] According to another aspect of the embodiments of this application, an apparatus for determining the sealing performance of an electrolytic cell is also provided, comprising: an acquisition module, configured to periodically acquire gas flow information of the electrolytic cell through a first detection unit and electrolysis parameter information of the electrolytic cell through a second detection unit when the electrolytic cell is in operation; a first determination module, configured to determine the change in oxygen gas flow rate corresponding to the electrolytic cell based on the gas flow information; a second determination module, configured to determine the change in real-time resistance value corresponding to the electrolytic cell based on the electrolysis parameter information; and a third determination module, configured to determine whether there is a leakage condition with reduced sealing performance of the electrolytic cell based on the change in oxygen gas flow rate and the change in real-time resistance value.

[0013] According to another aspect of the embodiments of this application, a computer-readable storage medium is also provided, wherein a computer program is stored in the computer program, and the computer program is configured to execute the above-described method for determining the sealing performance of the electrolytic cell when it is run.

[0014] According to another aspect of the embodiments of this application, an electronic device is also provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the method for determining the sealing performance of the electrolytic cell through the computer program.

[0015] According to another aspect of the embodiments of this application, a computer program product is also provided, including a computer program, and a method for determining the sealing performance of the electrolytic cell when the computer program is executed by a processor.

[0016] This application utilizes a method that, while the electrolytic cell is in operation, periodically acquires gas flow information from the first detection unit and electrolysis parameter information from the second detection unit. Based on the gas flow information, it determines the corresponding oxygen gas flow rate change; based on the electrolysis parameter information, it determines the corresponding real-time resistance change; and based on the oxygen gas flow rate change and real-time resistance change, it determines whether the electrolytic cell is leaking due to reduced sealing. This technical solution solves the problem of the overly complex process of real-time monitoring of the electrolytic cell's sealing performance during operation. Furthermore, by monitoring gas flow rate and electrolysis parameter information, the sealing performance of the electrolytic cell can be detected in real time, ensuring normal equipment operation. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a hardware structure block diagram of a computer terminal for a method of determining the sealing performance of an electrolytic cell according to an embodiment of this application;

[0020] Figure 2 This is a flowchart of a method for determining the sealing performance of an electrolytic cell according to an embodiment of this application;

[0021] Figure 3 This is a schematic diagram of an electrolytic cell sealing performance testing system according to an embodiment of this application;

[0022] Figure 4 This is a flowchart of an electrolytic cell sealing test according to an embodiment of this application;

[0023] Figure 5 This is a structural block diagram of an electrolytic cell sealing performance determination device according to an embodiment of this application. Detailed Implementation

[0024] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0025] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0026] The methods and embodiments provided in this application can be executed on a computer terminal, mobile terminal, or similar computing device. Taking running on a computer terminal as an example, Figure 1 This is a hardware structure block diagram of a computer terminal for a method of determining the sealing performance of an electrolytic cell according to an embodiment of this application. Figure 1 As shown, a computer terminal may include one or N ( Figure 1 Only one is shown in the diagram. A processor 102 (which may include, but is not limited to, a central processing unit (CPU) or a programmable gate array (FPGA)) and a memory 104 for storing data are also shown. The computer terminal may further include a transmission device 106 for communication functions and an input / output device 108. Those skilled in the art will understand that... Figure 1 The structure shown is for illustrative purposes only and does not limit the structure of the computer terminal described above. For example, the computer terminal may also include components that are more complex than those described above. Figure 1 The more or fewer components shown, or having the same Figure 1 The different configurations shown.

[0027] The memory 104 can be used to store computer programs, such as application software programs and modules, like the computer program corresponding to the network point adjustment method in this embodiment. The processor 102 executes various functional applications and data processing by running the computer program stored in the memory 104, thus implementing the above-described method. The memory 104 may include high-speed random access memory and non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some instances, the memory 104 may further include memory remotely located relative to the processor 102, and these remote memories can be connected to a computer terminal via a network. Examples of such networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.

[0028] The transmission device 106 is used to receive or send data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider for the computer terminal. In one example, the transmission device 106 includes a Network Interface Controller (NIC), which can connect to other network devices via a base station to communicate with the Internet. In another example, the transmission device 106 may be a Radio Frequency (RF) module used for wireless communication with the Internet.

[0029] This embodiment provides a method for determining the sealing performance of an electrolytic cell. Figure 2 This is a flowchart of a method for determining the sealing performance of an electrolytic cell according to an embodiment of this application, such as... Figure 2 As shown, the process includes the following steps S202-S208:

[0030] Step S202: When the electrolyzer is in operation, periodically obtain the gas flow information of the electrolyzer through the first detection unit and the electrolysis parameter information of the electrolyzer through the second detection unit;

[0031] Optionally, in the electrolytic cell sealing testing system, the first testing unit may include a gas flow meter and a gas-liquid separator on the anode side, primarily for detecting changes in gas flow rate, particularly oxygen flow rate, during electrolytic cell operation. The second testing unit may include an electronic load and an electrochemical workstation, primarily for detecting changes in resistance during electrolytic cell operation. Under normal operating conditions, the electrolytic reaction results in a certain resistance value, which should remain relatively constant under stable conditions. The second testing unit monitors this resistance value in real time via the electrochemical workstation.

[0032] Step S204: Determine the change in oxygen gas flow rate corresponding to the electrolyzer based on the gas flow rate information;

[0033] Step S206: Determine the real-time resistance change of the electrolytic cell based on the electrolysis parameter information;

[0034] Step S208: Determine whether the electrolytic cell has a leakage condition due to reduced sealing performance based on the changes in oxygen gas flow rate and the changes in real-time resistance.

[0035] Optionally, during normal operation of the electrolyzer, the gas flow meter of the detection system displays a stable oxygen gas flow rate of 3 Nm. 3 The real-time resistance remained stable at 0.025Ω per hour, with fluctuations within the normal range. One day, the system detected a sudden decrease in oxygen flow rate to 2.8 Nm³. 3 The oxygen flow rate decreased by 3 Nm³ / h, and the real-time resistance simultaneously increased to 0.030 Ω. Based on the synchronous changes in oxygen flow rate and real-time resistance, the system analysis concluded that the electrolyzer had experienced a leak due to reduced sealing. After restarting the electrolyzer, the system continuously monitored the oxygen flow rate and real-time resistance. After a few minutes, the oxygen flow rate recovered to 3 Nm³ / h. 3 The real-time resistance also decreased to 0.025Ω, and the fluctuation range returned to normal. The system confirmed that the electrolyzer's sealing performance had been restored. Through this embodiment, based on a comprehensive judgment of changes in oxygen gas flow rate and real-time resistance, sealing problems in the electrolyzer can be effectively identified.

[0036] The above steps, while the electrolyzer is in operation, periodically acquire gas flow information of the electrolyzer through a first detection unit and electrolysis parameter information of the electrolyzer through a second detection unit; determine the change in oxygen gas flow corresponding to the electrolyzer based on the gas flow information; determine the real-time resistance change corresponding to the electrolyzer based on the electrolysis parameter information; and determine whether there is a leakage condition due to reduced sealing of the electrolyzer based on the changes in oxygen gas flow and the real-time resistance change. This technical solution solves the problem of the overly complex process of real-time monitoring of the sealing performance of the electrolyzer during operation. Furthermore, by monitoring gas flow and electrolysis parameter information, the sealing performance of the electrolyzer can be detected in real time, ensuring normal equipment operation.

[0037] In an exemplary embodiment, obtaining gas flow information of an electrolyzer through a first detection unit includes: receiving a first control command issued by a target object, wherein the first control command is used to open the first detection unit in the detection system and set a third operating parameter of the gas flow meter in the first detection unit; recording gas flow data corresponding to the electrolyzer when the first control command is executed; and determining the gas flow information of the electrolyzer based on the gas flow data.

[0038] Optionally, an integrated detection system includes a first detection unit (gas flow meter) and a system control module. The system control software is pre-set with first control commands, which include commands to activate the gas flow meter and adjust its third operating parameters, such as setting the measurement frequency to once every 5 seconds and the measurement range to 0-10 Nm. 3 / h, with an accuracy of ±0.1Nm 3 These parameters are set to adapt to the current operating conditions of the electrolyzer, ensuring accurate capture of minute changes in gas flow rate. After the electrolyzer starts, the system control software automatically sends the first control command. Upon receiving the command, the gas flow meter immediately begins operation, recording the oxygen flow rate data on the anode side in real time. For example, the oxygen flow rate stabilizes at 3 Nm³ / h during the initial operation of the electrolyzer. 3 The gas flow meter continuously records this data at a rate of / h and transmits it to the system control software. In the above embodiment, the step of obtaining gas flow information through the first detection unit not only enables real-time monitoring of the electrolyzer's operating status but also allows for precise data analysis.

[0039] In an exemplary embodiment, obtaining electrolysis parameter information of the electrolytic cell through the second detection unit includes: receiving a second control command issued by the target object, wherein the second control command is used to open the second detection unit in the detection system and set the first operating parameters of the electrochemical workstation in the second detection unit and the second operating parameters of the electronic load in the second detection unit; when executing the second control command, measuring the electrolysis data corresponding to the electrolytic cell, wherein the electrolysis data includes at least: the measured value of the current used during electrolysis, the measured value of the voltage used during electrolysis, and the corresponding real-time resistance value during electrolysis; and determining the electrolysis parameter information of the electrolytic cell based on the electrolysis data.

[0040] Optionally, during the sealing and performance evaluation of the electrolytic cell, the system control software pre-sets a second control command. This command includes instructions to start the electrochemical workstation and electronic load, as well as details for adjusting their first and second operating parameters. For example, the test voltage of the electrochemical workstation is set to 2.5V and the frequency to 1Hz; the power absorption point of the electronic load is set to 120% of the normal operating current of the electrolytic cell. Once the electrolytic cell starts operating, the system control software automatically sends the second control command. Upon receiving the second control command, the electrochemical workstation and electronic load immediately adjust to the specified operating parameters and begin measuring electrolytic data such as current, voltage, and real-time resistance of the electrolytic cell. For example, initially, the current is stable at 100A, the voltage is 2.5V, and the real-time resistance is 0.025Ω. Through this embodiment, the step of obtaining electrolytic parameter information through the second detection unit in the operation monitoring of the electrolytic cell enables real-time and comprehensive evaluation of the electrolytic cell's operating status.

[0041] In an exemplary embodiment, determining whether the electrolyzer has a reduced sealing performance leakage condition based on changes in oxygen gas flow rate and real-time resistance changes includes: determining that the electrolyzer does not have a reduced sealing performance leakage condition when the flow rate trend corresponding to the oxygen gas flow rate change is continuously decreasing and the real-time resistance change is a normal trend; determining that the electrolyzer has a first sub-leakage with reduced sealing performance when the flow rate trend corresponding to the oxygen gas flow rate change is continuously decreasing and the real-time resistance change is an abnormal trend; wherein the first sub-leakage is a liquid leak type; and determining that the electrolyzer has a second sub-leakage with reduced sealing performance when the resistance trend corresponding to the real-time resistance change is continuously increasing, wherein the second sub-leakage is a gas leak type.

[0042] Optionally, the electrolyzer operates under normal conditions, and the system begins monitoring the oxygen flow rate and real-time resistance. The initial oxygen flow rate is 3 Nm³. 3 / h, resistance 0.025Ω. Over the next half hour, the oxygen flow rate stabilized at 2.9 Nm³ / h. 3 / h, fluctuation range not exceeding ±0.1Nm 3 The real-time resistance remained at 0.025Ω ± 0.002Ω, without any abnormal changes. Since the oxygen flow rate did not continuously decrease and the resistance trend was normal, the system determined that the electrolyzer was well-sealed and there was no leakage. At another time point, the oxygen flow rate in the electrolyzer began to continuously decrease, from 3 Nm³ / h. 3 / h decreased to 2.7Nm 3 However, within a 30-minute monitoring period, the real-time resistance change trend remained normal, staying within the range of 0.025Ω ± 0.002Ω. System analysis concluded that the decrease in oxygen flow rate matched the normal resistance change trend, indicating a possible liquid leak inside the electrolyzer, i.e., a primary leak, but the gas sealing was acceptable. In another operation of the electrolyzer, the initial oxygen flow rate was 3 Nm³ / h. 3 The oxygen flow rate was initially 0.025Ω per hour. However, after 10 minutes of operation, the real-time resistance suddenly increased to 0.035Ω and continued to increase to 0.04Ω over the next 20 minutes. Although the oxygen flow rate did not decrease significantly during this period, the abnormal increase in real-time resistance led the system to determine that there might be a gas leak in the electrolyzer, i.e., a secondary leak. Through the above embodiment, the detection process based on changes in oxygen flow rate and real-time resistance can effectively and accurately identify sealing problems in the electrolyzer and distinguish between different types of leaks.

[0043] In an exemplary embodiment, after determining whether there is a leak in the electrolyzer due to reduced sealing based on changes in oxygen gas flow rate and real-time resistance, the method further includes: sending an alarm notification to a target object when there is a leak in the electrolyzer due to reduced sealing; wherein the alarm notification is used to instruct the target object to perform maintenance on the electrolyzer; and obtaining a processing task generated by the target object in response to the alarm notification.

[0044] Optionally, the electrolytic cell's sealing detection system detected a leak indicating reduced sealing. Specifically, the system detected an abnormal increase in the electrolytic cell's real-time resistance, coupled with a continuous decrease in oxygen flow, leading to the conclusion that a gas leak (secondary leak) existed within the electrolytic cell. The system then sent an alarm notification to the pre-defined mobile devices of the maintenance team. This notification included the electrolytic cell's ID, the specific time the leak was detected, the leak type (gas leak), and a preliminary analysis of the possible leak location. Based on the processing task generated from the alarm notification, the maintenance team first shut off the electrolytic cell's power supply and then conducted a thorough inspection of the gas pipeline connections. Through this specific embodiment, when a leak indicating reduced sealing is detected in the electrolytic cell, the sending of the alarm notification not only ensures a rapid and professional response but also effectively resolves the leak problem through task generation and execution.

[0045] In an exemplary embodiment, after obtaining the processing task generated by the target object in response to the alarm prompt information, the above method further includes: recording the processing task in the detection log, and determining the target oxygen gas flow rate change and the target real-time resistance change updated after the processing task is executed; if the flow rate trend corresponding to the target oxygen gas flow rate change is continuous and the target real-time resistance change is a normal trend, it is determined that the sealing performance of the electrolytic cell has been repaired.

[0046] Optionally, after receiving the alarm information, the control center generates a processing task and records it in the monitoring log. After the processing task is completed, the system continues to monitor the oxygen gas flow rate and real-time resistance of the electrolyzer. If the initial oxygen flow rate is 3 Nm³... 3 The oxygen flow rate was 3 Nm³ / h, with a real-time resistance of 0.025 Ω. After replacing the sealing gasket, the oxygen flow rate stabilized at 3 Nm³ / h. 3 The flow rate remained constant throughout the hourly rate; the real-time resistance also returned to normal, with its trend reverting to normal, assuming the resistance stabilized at 0.025Ω ± 0.002Ω. Based on the monitored flow rate and resistance trends, the system automatically determined that the electrolytic cell's sealing performance had been repaired. Through this specific implementation, the processing task was recorded in the detection log, and a comparative analysis was performed on the changes in oxygen flow rate and real-time resistance after processing. This effectively confirmed the repaired sealing performance of the electrolytic cell and provided data support for preventative maintenance.

[0047] Obviously, the embodiments described above are only some embodiments of this application, and not all embodiments. To better understand the method, the following description, in conjunction with embodiments, illustrates the above process, but is not intended to limit the technical solutions of the embodiments of this application. Specifically:

[0048] This application provides an optional embodiment of an electrolytic cell sealing performance testing system and method to address the problem that the process of real-time monitoring of the sealing performance of an electrolytic cell during operation is too complex. This method designs an electrolytic cell sealing performance testing system, such as... Figure 3 As shown, Figure 3 This is a schematic diagram of an electrolytic cell sealing test system according to an embodiment of this application. The system includes a gas flow meter 32, an anode-side gas-liquid separation device 34, an electrolytic cell 36, an electronic load 38, an electrochemical workstation 40, and a system control module 42.

[0049] Optional, gas flow meter 32. Used to monitor the gas flow rate, especially oxygen flow rate, output from the anode side of the electrolyzer to detect gas leaks.

[0050] Optionally, an anode-side gas-liquid separator 34 is provided. Located adjacent to the gas flow meter and connected to the anode side of the electrolytic cell 36, its function is to separate the gas and liquid generated during electrolysis, ensuring that the gas flow meter can accurately measure the gas flow rate.

[0051] Optional, electronic load 38. The electronic load is connected to the electrochemical workstation via an adapter terminal, and the system control software is connected to the electrochemical workstation via a communication cable.

[0052] Optionally, an electrochemical workstation 40 is provided. The working electrode and the correction electrode of the electrochemical workstation are connected in parallel to the positive terminal of the electrolytic cell 36, and the counter electrode and the reference electrode of the electrochemical workstation are connected in parallel to the negative terminal of the electrolytic cell 36.

[0053] Optionally, the system detection principle is based on the fact that poor sealing can lead to gas leakage, which will affect the electrolysis reaction and thus cause the resistance value to be too high. Therefore, it is feasible to use real-time resistance data to judge the changes in the sealing of the electrolytic cell, and then supplement it with the observation of changes in the amount of gas produced by electrolysis to verify the gas sealing.

[0054] Optional, system control module 42. Includes an electrochemical workstation testing system, an electronic load control system, and data processing software.

[0055] Optional, Figure 4 This is a flowchart of an electrolytic cell sealing test according to an embodiment of this application, specifically including the following steps:

[0056] Step 1: After the electrolytic cell is properly assembled, start it up. Use the system control software to open the electrochemical workstation and electronic load, set the parameters, and complete the program settings for the voltage, current, and overall test duration required for normal operation of the electrolytic cell through the software. Then open the resistance test program and set it according to the set operating current.

[0057] Step 2: Observe the changes in the gas flow meter. Turn on the gas flow meter at the top of the gas-liquid separator and periodically observe and record the gas flow rate.

[0058] Step 3: System Startup. Periodically read and record the actual measured values ​​of current and voltage, real-time resistance, and gas flow rate fed back by the system during electrolytic cell operation for data analysis.

[0059] Step 4: Monitor real-time changes in resistance and oxygen flow rate. Observe the real-time changes in resistance (fluctuation range not exceeding 3mV) and oxygen flow rate (fluctuation range not exceeding 0.5Nm3 / h). If the resistance suddenly increases, stop and check for leaks. If the oxygen flow rate decreases while the resistance increases, stop and check for leaks. Only if the oxygen flow rate suddenly decreases and the resistance change is normal, continue to observe, as it does not necessarily indicate a leak.

[0060] It is important to note that in an electrolytic cell sealing test system, the accuracy and stability of testing equipment such as gas flow meters and electrochemical workstations must be ensured to avoid misjudgments caused by equipment errors, which could affect the sealing test results. When conducting tests while the electrolytic cell is running, safety factors must be considered to ensure that all operations are performed within safe limits, preventing further damage or safety risks to the electrolytic cell due to improper operation during the testing process. When a sudden increase in resistance or a decrease in oxygen gas flow is detected, there should be a clear shutdown and inspection procedure and standard to avoid more serious consequences from continued operation of the electrolytic cell. Furthermore, changes in the electrolytic cell's operating environment, such as temperature and humidity, must be considered, as these factors can affect the sealing and accuracy of the test results and must be fully taken into account in the design of the testing system.

[0061] In summary, the optional embodiments of this application determine whether there is a leakage condition due to reduced sealing of the electrolytic cell by real-time monitoring of changes in the electrochemical resistance and gas flow data, especially the oxygen flow rate. The system integrates key components such as an electrochemical workstation, a gas flow meter, and a gas-liquid separation device. By setting test parameters through system control software, the system records and analyzes the operating data of the electrolytic cell in real time, thereby achieving continuous, rapid, and accurate assessment of the sealing performance of the electrolytic cell and effectively improving detection efficiency.

[0062] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods according to the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions to cause a terminal device (which may be a mobile phone, computer, server, or network device, etc.) to execute the methods of the various embodiments of this application.

[0063] This embodiment also provides a device for determining the sealing performance of an electrolytic cell. This device is used to implement the above embodiments and preferred embodiments, and details already described will not be repeated. As used below, the term "module" can refer to a combination of software and / or hardware that performs a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, hardware implementation, or a combination of software and hardware, is also possible and contemplated.

[0064] Figure 5 This is a structural block diagram of an electrolytic cell sealing performance determination device according to an embodiment of this application. The device includes:

[0065] The acquisition module 52 is used to periodically acquire the gas flow information of the electrolytic cell through the first detection unit and the electrolysis parameter information of the electrolytic cell through the second detection unit when the electrolytic cell is in operation.

[0066] The first determining module 54 is used to determine the change in oxygen gas flow rate corresponding to the electrolytic cell based on the gas flow rate information.

[0067] The second determining module 56 is used to determine the real-time resistance change of the electrolytic cell based on the electrolysis parameter information.

[0068] The third determining module 58 is used to determine whether there is a leakage condition with reduced sealing of the electrolytic cell based on the change in oxygen gas flow rate and the change in real-time resistance.

[0069] The aforementioned device, while the electrolyzer is in operation, periodically acquires gas flow information of the electrolyzer through a first detection unit and electrolysis parameter information of the electrolyzer through a second detection unit; determines the change in oxygen gas flow rate corresponding to the electrolyzer based on the gas flow information; determines the real-time resistance change corresponding to the electrolyzer based on the electrolysis parameter information; and determines whether there is a leakage condition indicating reduced sealing of the electrolyzer based on the changes in oxygen gas flow rate and the real-time resistance change. This technical solution solves the problem of the overly complex process of real-time monitoring of the sealing performance of the electrolyzer during operation. Furthermore, by monitoring gas flow rate and electrolysis parameter information, the sealing performance of the electrolyzer can be detected in real time, ensuring normal equipment operation.

[0070] In an exemplary embodiment, the acquisition module is further configured to receive a first control command issued by the target object, wherein the first control command is configured to open the first detection unit in the detection system and set the third operating parameters of the gas flow meter in the first detection unit; when the first control command is executed, the gas flow data corresponding to the electrolytic cell is recorded; and the gas flow information of the electrolytic cell is determined based on the gas flow data.

[0071] In an exemplary embodiment, the acquisition module is further configured to receive a second control command issued by the target object, wherein the second control command is configured to open the second detection unit in the detection system and set the first operating parameters of the electrochemical workstation in the second detection unit and the second operating parameters of the electronic load in the second detection unit; when the second control command is executed, the electrolysis data corresponding to the electrolytic cell is measured, wherein the electrolysis data includes at least: the measured value of the current used during electrolysis, the measured value of the voltage used during electrolysis, and the corresponding real-time resistance value during electrolysis; and the electrolysis parameter information of the electrolytic cell is determined based on the electrolysis data.

[0072] In an exemplary embodiment, the third determining module is further configured to: determine that the electrolytic cell does not have a leakage condition due to reduced sealing when the flow trend corresponding to the change in oxygen gas flow rate is continuously decreasing and the real-time resistance change is a normal trend; determine that the electrolytic cell has a first sub-leak due to reduced sealing when the flow trend corresponding to the change in oxygen gas flow rate is continuously decreasing and the real-time resistance change is an abnormal trend; wherein the first sub-leak is a liquid leakage type; and determine that the electrolytic cell has a second sub-leak due to reduced sealing when the resistance trend corresponding to the change in real-time resistance is continuously increasing, wherein the second sub-leak is a gas leakage type.

[0073] In an exemplary embodiment, the above-mentioned apparatus further includes: a sending module, configured to, after determining whether there is a leakage condition with reduced sealing of the electrolytic cell based on the change in oxygen gas flow rate and the change in real-time resistance, send an alarm notification to the target object if there is a leakage condition with reduced sealing of the electrolytic cell; wherein the alarm notification is used to instruct the target object to perform maintenance on the electrolytic cell; and to obtain the processing task generated by the target object in response to the alarm notification.

[0074] In an exemplary embodiment, the sending module further includes a recording unit, configured to record the processing task generated by the target object in response to the alarm prompt information into the detection log after obtaining the processing task, and determine the target oxygen gas flow rate change and the target real-time resistance change after the processing task is executed; if the flow rate trend corresponding to the target oxygen gas flow rate change is continuous and the target real-time resistance change is a normal trend, it is determined that the sealing of the electrolytic cell has been repaired.

[0075] Embodiments of this application also provide a computer-readable storage medium storing a computer program, wherein the computer program is configured to execute the steps in any of the above method embodiments when run.

[0076] Optionally, in this embodiment, the storage medium may be configured to store a computer program for performing the following steps:

[0077] S1. When the electrolytic cell is in operation, the gas flow rate information of the electrolytic cell is periodically obtained through the first detection unit, and the electrolysis parameter information of the electrolytic cell is obtained through the second detection unit.

[0078] S2. Determine the change in oxygen gas flow rate corresponding to the electrolytic cell based on the gas flow rate information;

[0079] S3. Determine the real-time resistance change of the electrolytic cell based on the electrolysis parameter information;

[0080] S4. Determine whether the electrolytic cell has a reduced sealing performance due to leakage based on the changes in oxygen gas flow rate and the changes in real-time resistance.

[0081] In one exemplary embodiment, the aforementioned computer-readable storage medium may include, but is not limited to, various media capable of storing computer programs, such as a USB flash drive, read-only memory (ROM), random access memory (RAM), portable hard drive, magnetic disk, or optical disk.

[0082] Specific examples in this embodiment can be found in the examples described in the above embodiments and exemplary implementations, and will not be repeated here.

[0083] Embodiments of this application also provide a computer program product, including a computer program, wherein the computer program, when executed by a processor, performs the steps in any of the above method embodiments.

[0084] Embodiments of this application also provide another computer program product, including a non-volatile computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps in any of the above method embodiments.

[0085] Embodiments of this application also provide an electronic device including a memory and a processor, wherein the memory stores a computer program and the processor is configured to run the computer program to perform the steps in any of the above method embodiments.

[0086] Optionally, in this embodiment, the processor can be configured to perform the following steps via a computer program:

[0087] S1. When the electrolytic cell is in operation, the gas flow rate information of the electrolytic cell is periodically obtained through the first detection unit, and the electrolysis parameter information of the electrolytic cell is obtained through the second detection unit.

[0088] S2. Determine the change in oxygen gas flow rate corresponding to the electrolytic cell based on the gas flow rate information;

[0089] S3. Determine the real-time resistance change of the electrolytic cell based on the electrolysis parameter information;

[0090] S4. Determine whether the electrolytic cell has a reduced sealing performance due to leakage based on the changes in oxygen gas flow rate and the changes in real-time resistance.

[0091] In one exemplary embodiment, the electronic device may further include a transmission device and an input / output device, wherein the transmission device is connected to the processor and the input / output device is connected to the processor.

[0092] Specific examples in this embodiment can be found in the examples described in the above embodiments and exemplary implementations, and will not be repeated here.

[0093] Obviously, those skilled in the art should understand that the modules or steps of this application described above can be implemented using general-purpose computing devices. They can be centralized on a single computing device or distributed across a network of N computing devices. They can be implemented using computer-executable program code, and thus can be stored in a storage device for execution by a computing device. In some cases, the steps shown or described can be performed in a different order than those presented here, or they can be fabricated as separate integrated circuit modules, or N modules or steps can be fabricated as a single integrated circuit module. Thus, this application is not limited to any particular combination of hardware and software.

[0094] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A method for determining the sealing performance of an electrolytic cell, characterized in that, include: When the electrolyzer is in operation, the gas flow rate information of the electrolyzer is periodically obtained through the first detection unit, and the electrolysis parameter information of the electrolyzer is obtained through the second detection unit. The change in oxygen gas flow rate corresponding to the electrolytic cell is determined based on the gas flow rate information. The real-time resistance change of the electrolytic cell is determined based on the electrolysis parameter information. The presence of a leak due to reduced sealing of the electrolytic cell is determined based on the changes in oxygen gas flow rate and the changes in real-time resistance. The determination of whether the electrolytic cell has a reduced sealing performance and leakage based on the changes in oxygen gas flow rate and the changes in real-time resistance includes: If the flow rate trend corresponding to the change in oxygen gas flow rate is a continuous decrease, and the change in real-time resistance value is a normal trend, it is determined that the electrolytic cell does not have a leakage condition due to reduced sealing performance. If the flow rate trend corresponding to the change in oxygen gas flow rate is continuously decreasing, and the change in real-time resistance value is an abnormal trend, it is determined that the electrolytic cell has a first sub-leak with reduced sealing performance; wherein, the first sub-leak is a liquid leak type. If the resistance trend corresponding to the real-time resistance change is continuously increasing, it is determined that the electrolytic cell has a second sub-leak with reduced sealing performance, wherein the second sub-leak is a gas leak.

2. The method for determining the sealing performance of an electrolytic cell according to claim 1, characterized in that, The gas flow rate information of the electrolytic cell is obtained through the first detection unit, including: Receive a first control command issued by the target object, wherein the first control command is used to open the first detection unit in the detection system and set the third operating parameters of the gas flow meter in the first detection unit; When the first control command is executed, the gas flow rate data corresponding to the electrolytic cell is recorded; The gas flow rate information of the electrolyzer is determined based on the gas flow rate data.

3. The method for determining the sealing performance of an electrolytic cell according to claim 1, characterized in that, The electrolysis parameter information of the electrolytic cell is obtained through the second detection unit, including: Receive a second control command issued by the target object, wherein the second control command is used to open the second detection unit in the detection system and set the first working parameters of the electrochemical workstation in the second detection unit and the second working parameters of the electronic load in the second detection unit; When the second control command is executed, the electrolysis data corresponding to the electrolytic cell is measured, wherein the electrolysis data includes at least: the measured value of the current used during electrolysis, the measured value of the voltage used during electrolysis, and the real-time resistance value corresponding to electrolysis. The electrolysis parameters of the electrolytic cell are determined based on the electrolysis data.

4. The method for determining the sealing performance of an electrolytic cell according to claim 1, characterized in that, After determining whether the electrolytic cell has a reduced seal due to leakage based on the changes in oxygen gas flow rate and the changes in real-time resistance, the method further includes: In the event of a leak in the electrolytic cell due to reduced sealing, an alarm message is sent to the target object; wherein, the alarm message is used to instruct the target object to perform maintenance on the electrolytic cell; Obtain the processing task generated by the target object in response to the alarm notification information.

5. The method for determining the sealing performance of an electrolytic cell according to claim 4, characterized in that, After obtaining the processing task generated by the target object in response to the alarm notification information, the method further includes: The processing task is recorded in the detection log, and the changes in the target oxygen flow rate and the real-time resistance of the target are determined after the processing task is executed. If the flow rate trend corresponding to the change in the target oxygen gas flow rate remains unchanged, and the change in the target real-time resistance value is within a normal range, then the sealing performance of the electrolytic cell is determined to have been repaired.

6. A device for determining the sealing performance of an electrolytic cell, characterized in that, include: The acquisition module is used to periodically acquire the gas flow information of the electrolytic cell through the first detection unit and the electrolysis parameter information of the electrolytic cell through the second detection unit when the electrolytic cell is in operation. The first determining module is used to determine the change in oxygen gas flow rate corresponding to the electrolytic cell based on the gas flow rate information. The second determining module is used to determine the real-time resistance change of the electrolytic cell based on the electrolysis parameter information. The third determining module is used to determine whether there is a leakage condition with reduced sealing of the electrolytic cell based on the change in oxygen gas flow rate and the change in real-time resistance. The third determining module is further configured to: determine that the electrolytic cell does not have a leakage condition due to reduced sealing when the flow trend corresponding to the change in oxygen gas flow rate is continuously decreasing and the change in real-time resistance value is a normal trend; determine that the electrolytic cell has a first sub-leak due to reduced sealing when the flow trend corresponding to the change in oxygen gas flow rate is continuously decreasing and the change in real-time resistance value is an abnormal trend; wherein the first sub-leak is a liquid leakage type; and determine that the electrolytic cell has a second sub-leak due to reduced sealing when the resistance trend corresponding to the change in real-time resistance value is continuously increasing, wherein the second sub-leak is a gas leakage type.

7. A computer-readable storage medium, characterized in that, The computer-readable storage medium includes a stored program, wherein the program, when executed, performs the method of any one of claims 1 to 5.

8. An electronic device comprising a memory and a processor, characterized in that, The memory stores a computer program, and the processor is configured to execute the method of any one of claims 1 to 5 through the computer program.

9. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by a processor, it implements the method of any one of claims 1 to 5.

Citation Information

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