Hydrogen production control method and device, storage medium and electronic equipment

Abstract

The invention discloses a hydrogen production control method and device, a storage medium and electronic equipment. The method comprises the following steps: determining the minimum power generation power generated by power generation equipment in a preset time period; on the basis of the first required power required by part of the hydrogen production units in the preset time period and the minimum power generation power, controlling the part of the hydrogen production units to perform hydrogen production treatment; hydrogen produced by part of the units is input into a first purification system; part of the purification equipment in the first purification system is controlled to perform hydrogen purification treatment, the rest of the purification equipment except the part of the purification equipment in the first purification system is controlled to perform regeneration treatment and hydrogen recovery, the regeneration treatment is used for recovering the hydrogen purification capability of the purification equipment, and the hydrogen recovery is used for purifying the regenerated hydrogen. The technical problem that in the prior art, the adaptability of hydrogen production equipment to power generation fluctuation is not ideal is solved.

Description

Technical Field

[0001] The present application relates to the fields of wind power generation and hydrogen production by water electrolysis, and more specifically, to a hydrogen production control method, device, storage medium and electronic equipment. Background Art

[0002] Using green energy such as wind power to produce hydrogen is an important technical approach, but the strong volatility of green energy such as wind power will seriously affect the dynamic adaptability and operational reliability of the water electrolysis hydrogen production system, especially the load distribution of the electrolyzer. In the wind power off-grid water electrolysis hydrogen production system, the current wind power output power cannot be known when the hydrogen production equipment is started, which easily leads to frequent start and stop of the hydrogen production equipment, affecting the hydrogen production efficiency and the service life of the hydrogen production equipment.

[0003] The relevant technologies focus on improving hydrogen production efficiency or extending equipment life, but fail to strike a balance between the two. In practical applications, there are obvious limitations. Under off-grid conditions, due to the instability of wind energy, the load distribution of the electrolyzer is particularly important. Therefore, the relevant technologies have the technical problem that the hydrogen production equipment has an unsatisfactory ability to adapt to power generation fluctuations.

[0004] To address the above-mentioned problems, no effective solution has been proposed yet. Summary of the invention

[0005] The embodiments of the present application provide a hydrogen production control method, device, storage medium and electronic device to at least solve the technical problem in the related art that the hydrogen production equipment has poor adaptability to power generation fluctuations.

[0006] According to one aspect of an embodiment of the present application, a hydrogen production control method is provided, including: determining a minimum power generation generated by a power generation device within a predetermined time period, wherein the power generation device is used to supply power to a plurality of hydrogen production units for a hydrogen production process, and the plurality of hydrogen production units are proton exchange membrane (PEM) electrolyzers; based on a first required power required by some of the plurality of hydrogen production units within a predetermined time period, and the minimum power generation, controlling some of the units to perform hydrogen production processing; inputting hydrogen produced by some of the units into a first purification system; controlling some of the purification devices in the first purification system to perform hydrogen purification processing, and controlling the remaining purification devices in the first purification system except for some of the purification devices to perform regeneration processing and hydrogen recovery, wherein the regeneration processing is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration processing.

[0007] Optionally, determining the minimum power generation generated by the power generation equipment within a predetermined time period includes: obtaining historical power generation data of the power generation equipment within a historical time period; determining the timing characteristics of the power generation equipment based on the historical power generation data; and predicting the power generation data within the predetermined time period based on the timing characteristics to determine the minimum power generation power.

[0008] Optionally, the method also includes: after completing the hydrogen production process in the predetermined time period, determining the next minimum power generation generated by the power generation equipment in the next time period after the predetermined time period; based on the second required power required by the remaining units in the next time period, and the next minimum power generation, controlling the remaining units to perform hydrogen production processing; inputting the hydrogen produced by the remaining units into the first purification system; controlling the first purification equipment among the remaining purification equipment to perform hydrogen purification processing, controlling the second purification equipment among the remaining purification equipment to perform hydrogen recovery, and controlling some purification equipment to perform regeneration processing, wherein the remaining units are hydrogen production units other than some units among the multiple hydrogen production units, the first purification equipment is a purification equipment that performs hydrogen recovery within the predetermined time period, and the second purification equipment is a purification equipment that performs regeneration processing within the predetermined time period.

[0009] Optionally, multiple hydrogen production units belong to a hydrogen production system, which also includes an alkaline ALK electrolyzer, wherein the PEM electrolyzer is used to absorb the fluctuating amount of electricity generated by the power generation equipment, and the ALK electrolyzer is used to absorb the estimated amount of electricity generated by the power generation equipment.

[0010] Optionally, based on a first required power required by some of the multiple hydrogen production units within a predetermined time period and a minimum power generation power, some of the units are controlled to perform hydrogen production processing, including: determining a threshold power based on the minimum power generation power and the expected power; determining a partial summed power based on the first required power, a third required power of some of the purification equipment within the predetermined time period, and a fourth required power for performing heating processing in the remaining purification equipment during the regeneration processing, wherein the first required power enables the output gas volume of some of the units to meet the air intake volume required for the purification processing of some of the purification equipment and the regeneration processing of the remaining purification equipment; when the partial summed power is less than the threshold power, some of the units are controlled to perform hydrogen production processing within the predetermined time period.

[0011] Optionally, the method also includes: determining a fifth required power for the remaining units within a predetermined time period, wherein the remaining units are hydrogen production units other than some units among the multiple hydrogen production units; determining a total sum power based on the first required power, the fifth required power, the third required power, and the fourth required power; when the total sum power is less than a threshold power, controlling the multiple hydrogen production units to perform hydrogen production processing within a predetermined time period; inputting the hydrogen produced by the multiple hydrogen production units into a first purification system; controlling some purification equipment to perform hydrogen purification processing, and controlling the remaining purification equipment to perform regeneration processing and hydrogen recovery.

[0012] Optionally, the method further includes: when the partial summed power is greater than or equal to a threshold power, suspending hydrogen production processes of the plurality of hydrogen production units for a predetermined period of time, and suspending the first purification system.

[0013] Optionally, the method further includes: determining a regeneration time required for the remaining purification equipment to return to a predetermined state; and determining a predetermined time period based on the regeneration time.

[0014] According to another aspect of an embodiment of the present application, a hydrogen production control device is provided, comprising: a power determination module, configured to determine a minimum power generated by a power generation device within a predetermined time period, wherein the power generation device is configured to supply power to a plurality of hydrogen production units for a hydrogen production process, wherein the plurality of hydrogen production units are proton exchange membrane PEM electrolyzers;

[0015] A hydrogen processing module is used to control some of the multiple hydrogen production units to perform hydrogen production processing based on the first required power required by some of the units within the predetermined time period and the minimum power generation power; an intermediate module is used to input the hydrogen produced by some of the units into the first purification system; a purification control module is used to control some of the purification equipment in the first purification system to perform hydrogen purification processing, and control the remaining purification equipment in the first purification system except for the some of the purification equipment to perform regeneration processing and hydrogen recovery, wherein the regeneration processing is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration processing.

[0016] According to another aspect of an embodiment of the present application, a non-volatile storage medium is provided, wherein the non-volatile storage medium stores a plurality of instructions, and the instructions are suitable for being loaded by a processor and executing any one of the hydrogen production control methods.

[0017] In the embodiment of the present application, by determining the minimum power generated by the power generation equipment within a predetermined time period, wherein the power generation equipment is used to power multiple hydrogen production units for the hydrogen production process, and the multiple hydrogen production units are proton exchange membrane PEM electrolyzers; based on the first required power required by some of the multiple hydrogen production units within the predetermined time period, and the minimum power generation, control some of the units to perform hydrogen production processing; input the hydrogen produced by some of the units into the first purification system; control some of the purification equipment in the first purification system to perform hydrogen purification processing, and control the remaining purification equipment in the first purification system except for some of the purification equipment to perform regeneration processing and hydrogen recovery, wherein the regeneration processing is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration processing. The purpose of improving energy utilization efficiency is achieved, and the technical effect of improving hydrogen production efficiency and extending the life of the electrolyzer is achieved, thereby solving the technical problem of the unsatisfactory adaptability of hydrogen production equipment to power generation fluctuations existing in the related technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1 is a flow chart of an optional hydrogen production control method provided according to an embodiment of the present application;

[0020] Figure 2 is a purification flow chart of an optional hydrogen production control method provided in an embodiment of the present application;

[0021] Figure 3 is a first schematic diagram of an optional hydrogen production control method provided according to an embodiment of the present application;

[0022] Figure 4 is a second schematic diagram of an optional hydrogen production control method provided according to an embodiment of the present application;

[0023] Figure 5 It is a schematic diagram of an optional hydrogen production control device provided according to an embodiment of the present application. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work 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 and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0026] For the convenience of description, some nouns or terms involved in the embodiments of the present application are explained below:

[0027] Proton Exchange Membrane (PEM) electrolyzer is a device for producing hydrogen by water splitting using a proton exchange membrane as an electrolyte. Water is electrolyzed into hydrogen and oxygen by passing a high current density through the proton exchange membrane. The proton exchange membrane is a special polymer membrane that only allows protons (H+) to pass through, while blocking the passage of electrons and oxygen, thereby effectively separating hydrogen and oxygen.

[0028] Alkaline ALK electrolyzer is a device that uses alkaline electrolyte to produce hydrogen by hydrolysis. By adding alkaline electrolyte (such as potassium hydroxide or sodium hydroxide solution) to water and applying voltage between electrodes, water is electrolyzed into hydrogen and oxygen.

[0029] According to an embodiment of the present application, an embodiment of a method for controlling hydrogen production is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0030] Figure 1 is a flow chart of an optional hydrogen production control method provided according to an embodiment of the present application, such as Figure 1 As shown, the method comprises the following steps:

[0031] Step S102, determining the minimum power generated by the power generation equipment within a predetermined time period, wherein the power generation equipment is used to supply power to a plurality of hydrogen production units for a hydrogen production process, and the plurality of hydrogen production units are proton exchange membrane PEM electrolyzers;

[0032] It can be understood that the proton exchange membrane PEM electrolyzer has a strong adaptability to start and stop, and can be used to handle fluctuating electricity. The multiple hydrogen production units are proton exchange membrane PEM electrolyzers, which determine the minimum power generated by the power generation equipment within a predetermined time period. The minimum power generation is a key parameter for powering the multiple hydrogen production units for the hydrogen production process. By predetermining the minimum power generation, it is ensured that even at the lowest point of wind resources, the hydrogen production equipment has sufficient power input and generates enough gas, so that the first purification system can also obtain sufficient intake air to complete the operation, thereby ensuring the output and quality of hydrogen and avoiding equipment loss caused by frequent start and stop.

[0033] In an optional embodiment, determining the minimum power generation generated by the power generation equipment within a predetermined time period includes: obtaining historical power generation data of the power generation equipment within a historical time period; determining the timing characteristics of the power generation equipment based on the historical power generation data; and predicting the power generation data within the predetermined time period based on the timing characteristics to determine the minimum power generation power.

[0034] It can be understood that the historical power generation data of the power generation equipment in the historical time period is collected, and the time series characteristics of the power generation equipment, that is, the law of power generation data changing over time, are determined through the data. Based on the obtained time series characteristics, the prediction model is used to predict the power generation data of the next predetermined time period to determine the minimum power generation. By analyzing the historical power generation data to predict the future minimum power generation, the operation mode of the hydrogen production unit is planned in advance to ensure that even when the predicted power is low, the requirements of the regeneration cycle of the first purification system can be met, thereby improving the continuity and stability of the system operation.

[0035] Optionally, the above prediction model can be multiple, for example, a convolution neural network (CNN) in a deep learning model, collecting historical power generation data from sources such as monitoring systems and databases of power generation equipment. The data should contain a sufficiently long time span to cover different operating conditions, such as power generation data in different seasons and under different load conditions. Data preprocessing includes data cleaning, data normalization and data segmentation. Data cleaning removes outliers, such as power generation data values ​​that are significantly deviated from the normal range due to equipment failure or measurement error. Data normalization maps the characteristic values ​​of power generation data to a specific interval, which helps to improve the training efficiency and accuracy of the model. Data segmentation divides the data set into a training set, a validation set and a test set according to a certain ratio. For example, the division ratio is 70% training set, 15% validation set and 15% test set.

[0036] Optionally, there may be multiple methods for obtaining the time series, for example, arranging the historical power generation data in chronological order to form time series data. For the CNN model, the format of the input data needs to meet the requirements of the model, such as organizing the data into a time window sequence of fixed length. CNN performs convolution operations by sliding the convolution kernel in the convolution layer on the time series data, automatically extracting local features in the data, and reflecting the change pattern of power generation data in a short period of time. As the number of network layers increases, these local features are gradually aggregated through the pooling layer, thereby obtaining a high-level feature representation of the entire time series, reflecting the periodicity, trend and other change patterns of power generation data over time.

[0037] Optionally, the power consumption requirement for heating power of the purification equipment is low. In the wind power off-grid hydrogen production system, the power consumption of the first purification system is smaller than that of the PEM electrolyzer. The main function of the first purification system is to ensure that the produced hydrogen reaches the required purity, which is achieved by removing impurities such as moisture and oxygen from the hydrogen. The predicted minimum power generation Pmin mainly considers whether sufficient power can be provided to the electrolyzer to ensure the smooth progress of the hydrogen production process by electrolysis of water. The electrolyzer is the core equipment in the hydrogen production system, and its power consumption accounts for most of the entire system. Whether it is an alkaline electrolyzer (ALK) or a proton exchange membrane electrolyzer (PEM), they all require sufficient power to drive the water decomposition reaction to generate hydrogen and oxygen. In particular, the PEM electrolyzer, due to its high operating efficiency and fast response speed, but the cost and maintenance requirements are also relatively high. Ensuring that it can operate continuously and stably to make full use of wind power resources is crucial to improving the hydrogen production efficiency and economic benefits of the entire system.

[0038] When the wind power is predicted to be the minimum power generation, the threshold power used to power the PEM electrolyzer hydrogen production and the corresponding first purification system can be determined, so that some hydrogen production units can at least generate enough hydrogen for the first purification system to process. This can avoid frequent start and stop of the PEM electrolyzer due to wind power fluctuations, reduce the impact on the life of the electrolyzer, and ensure that the first purification system has enough air intake to maintain its normal operation and regeneration cycle, thereby producing high-quality hydrogen. Through this method, on the basis of maintaining the operating conditions of the first purification system, it is possible to more efficiently utilize unstable wind power resources, improve hydrogen production efficiency and the operating stability of the entire system.

[0039] It should be noted that the purpose of ensuring the air intake in the first purification device is to avoid air cut-off due to insufficient air intake during the regeneration process, and to avoid a sudden temperature rise during the heating process or the cooling process, thereby damaging the purification device.

[0040] In an optional embodiment, the method further includes: determining a regeneration time required for the remaining purification equipment to return to a predetermined state; and determining a predetermined time period based on the regeneration time.

[0041] It can be understood that the regeneration time required for the remaining purification equipment to regenerate to a predetermined state is determined, and the predetermined time period is planned based on the regeneration time. The regeneration process is to first heat the adsorbent in the purification equipment, and then perform a cooling process so that the adsorbent can recover its ability to adsorb water vapor. Setting the recovery time based on the recovery time required for different purification equipment is beneficial to ensure that at the beginning of the next time period, there is a purification equipment with an ideal purification and adsorption effect, making the load distribution strategy more comprehensive and ensuring the overall efficiency of the system and the optimal operating state of the equipment. Step S104, based on the first required power required by some of the multiple hydrogen production units within the predetermined time period, and the minimum power generation power, control some units to perform hydrogen production processing;

[0042] It can be understood that based on the comprehensive consideration of the minimum power generation and the first required power required by some hydrogen production units within a predetermined time period, a dynamic control strategy for the hydrogen production unit and the first purification system is implemented. The minimum power generation is compared and matched with the required power of the hydrogen production unit to determine that some hydrogen production units can be started for hydrogen production. Multiple hydrogen production units belong to the PEM electrolyzer and have an independent first purification system. In order to reduce the impurities carried in the output hydrogen, all produced hydrogen needs to be effectively purified. In other words, the power supply part of the minimum power generation provided to the PEM electrolyzer, in addition to ensuring the operation of the turned-on PEM electrolyzer (ie, the first required power), also requires the normal operation of the first purification system. By accurately matching power supply and demand, the shutdown of the hydrogen production unit due to insufficient power is avoided, ensuring the efficient operation of the electrolyzer and the high-quality output of hydrogen products.

[0043] In an optional embodiment, multiple hydrogen production units belong to a hydrogen production system, which also includes an alkaline ALK electrolyzer, wherein the PEM electrolyzer is used to absorb the fluctuating amount of electricity generated by the power generation equipment, and the ALK electrolyzer is used to absorb the estimated amount of electricity generated by the power generation equipment.

[0044] It can be understood that the hydrogen production system includes a proton exchange membrane PEM electrolyzer and an alkaline ALK electrolyzer. Among them, the proton exchange membrane PEM electrolyzer includes multiple hydrogen production units. The PEM electrolyzer is used to absorb the fluctuating electricity generated by the power generation equipment, that is, to use its rapid response ability to power fluctuations to efficiently handle the unstable part of wind power. The ALK electrolyzer is used to absorb the expected electricity and operate under relatively constant power conditions to ensure that the basic hydrogen production needs are met. By classifying the electrolyzers in the hydrogen production system according to their functional characteristics, electricity is allocated in a targeted manner, the operating efficiency and stability of the entire system are improved, and the service life of the equipment is extended.

[0045] Optionally, the above-mentioned hydrogen production system can be operated in multiple modes. For example, in the renewable energy and hydrogen production system, the hydrogen production system includes an alkaline electrolyzer (ALK) and a proton exchange membrane electrolyzer (PEM). According to the electrolyzer characteristics of ALK and PEM, the power of renewable energy is distributed, and ALK is used to absorb the relatively stable load in the renewable energy, while PEM is used to absorb the fluctuating load in the renewable energy. The power higher than the rated load of PEM is discarded, and the power generated by renewable energy is limited to the available load range of the PEM hydrogen production system. In addition, during the operation of the PEM hydrogen production system, the heating regeneration cycle limit of the first purification system, that is, the continuous operation time requirement, must be considered. Otherwise, the drying tank (i.e., the purification equipment) in the first purification system will not be completely regenerated, the function of the first purification system will be reduced, and high-quality hydrogen cannot be produced.

[0046] It still needs to be explained that since the power generation equipment (such as wind power) is off-grid powered, that is, all electricity used in the hydrogen production system comes from the power generation equipment, the ALK electrolyzer has its own independent second purification system. During the hydrogen production work, hydrogen purification, regeneration treatment, and hydrogen recovery are also required to ensure the quality of hydrogen.

[0047] Optionally, the operation cycle of the first purification system can be multiple. For example, the first purification system has a cycle of 8 hours, including a heating cycle of 4 hours and a cooling cycle of 4 hours. The system cannot be shut down during the 4-hour heating cycle, but can be shut down during the 4-hour cooling cycle. The first purification system will continuously record the purification operation time and status. The heating process of the first purification system is to remove the water vapor adsorbed in the adsorbent, so as to achieve adsorbent regeneration and restore the ability to remove water vapor from hydrogen. If there is a heating interruption, and the hydrogen preparation process is continuous, in order to avoid insufficient drying, resulting in reduced hydrogen purity, it is necessary to ensure the power supply and air intake requirements of the first purification system during the heating cycle.

[0048] In an optional embodiment, based on a first required power required by some units of a plurality of hydrogen production units within a predetermined time period and a minimum power generation power, some units are controlled to perform hydrogen production processing, including: determining a threshold power based on the minimum power generation power and the expected power; determining a partial summed power based on the first required power, a third required power of some purification equipment within a predetermined time period, and a fourth required power for performing heating processing in the remaining purification equipment during regeneration processing, wherein the first required power enables the output gas volume of some units to meet the air intake volume required for the purification processing of some purification equipment and the regeneration processing of the remaining purification equipment; when the partial summed power is less than the threshold power, controlling some units to perform hydrogen production processing within a predetermined time period.

[0049] It can be understood that the minimum power generation is used to supply power to the PEM and ALK electrolyzers, as well as the first purification system and the second purification system corresponding to each other. The threshold power determined by the minimum power generation is to determine whether the power supply part provided by the fluctuating power can meet the power demand of some units in the multiple hydrogen production units and the first purification system. Among them, due to the characteristics of the purification equipment, in the heating treatment and the cooling treatment included in the regeneration treatment, the power supply for the heating treatment cannot be interrupted, but the cooling treatment can be suspended. It should be noted that the suspension of the above cooling process is not an unlimited suspension. It is necessary to ensure that the temperature in the purification equipment is not higher than the predetermined high temperature threshold, and it is necessary to blow cooling to the predetermined temperature range before the cooling suspension process is allowed.

[0050] Therefore, when considering the partial summed power, the threshold power is determined based on the minimum power generation and the expected power. It is determined based on the first demand power, the third demand power of some purification equipment in a predetermined time period, and the fourth demand power for heating treatment in the remaining purification equipment for performing regeneration treatment. The partial summed power needs to ensure that at least some units in a working state produce enough hydrogen to meet the intake volume required for hydrogen recovery and regeneration treatment of the remaining purification equipment. When the partial summed power is less than the threshold power, that is, the power supply is sufficient, some units can be used for hydrogen production within a predetermined time period, and the relevant purification equipment can be started at the same time to perform hydrogen purification, regeneration and hydrogen recovery, so as to realize the use of PEM electrolyzers for wind power consumption, so as to make full use of wind power resources, improve hydrogen production efficiency and the overall energy efficiency of the system.

[0051] It should be noted that the ALK electrolyzer is powered before the PEM electrolyzer. The ALK electrolyzer consumes a stable amount of electricity (i.e., the expected amount of electricity). When the partial summed power is less than the threshold power, the ALK electrolyzer is started simultaneously within a predetermined time period by default, and hydrogen production is carried out together with some units. At the same time, the first purification system and the second purification system are started to purify hydrogen together.

[0052] It is still necessary to explain that the hydrogen produced by the above-mentioned partial units is supplied to the two parts of the first purification system, and priority must be given to the remaining purification equipment that performs the regeneration and recovery functions. The purification equipment for hydrogen purification has a very low limit on the intake volume. This is to avoid the problem of excessive temperature due to insufficient intake volume during the regeneration process.

[0053] Optionally, in the hydrogen production system, the adsorbent used for drying inside the purification equipment requires a certain amount of airflow to fully adsorb impurities. If the air intake is too low, the airflow speed slows down, the contact time between the adsorbent and the gas increases, but the total amount of impurities in the airflow decreases, resulting in a decrease in the utilization rate of the adsorbent and a decrease in the purification efficiency. The design and operation of the purification equipment are based on a certain airflow speed and flow rate. Insufficient air intake will cause an imbalance in the pressure and temperature control inside the equipment, affecting the stable operation of the equipment.

[0054] In an optional embodiment, the method also includes: determining a fifth required power required by the remaining units within a predetermined time period, wherein the remaining units are hydrogen production units other than some units among the multiple hydrogen production units; determining a total sum power based on the first required power, the fifth required power, the third required power, and the fourth required power; controlling the multiple hydrogen production units to perform hydrogen production processing within a predetermined time period when the total sum power is less than a threshold power; inputting the hydrogen produced by the multiple hydrogen production units into a first purification system; controlling some purification equipment to perform hydrogen purification processing, and controlling the remaining purification equipment to perform regeneration processing and hydrogen recovery.

[0055] It can be understood that if the threshold power can meet the power requirements of all hydrogen production units, that is, the total sum power, all hydrogen production units can be turned on, and the hydrogen produced by some units can also be input into the first purification system for processing. Since the hydrogen produced by some units can meet the intake air volume requirement, all hydrogen production units can certainly meet the intake air volume requirement at the beginning. Through the above processing, it can be determined whether to turn on some units or all hydrogen production units according to the power supply status of the specific power generation equipment.

[0056] In an optional embodiment, the method further includes: when the partial summed power is greater than or equal to a threshold power, suspending hydrogen production processes of the plurality of hydrogen production units for a predetermined period of time and suspending the first purification system.

[0057] It can be understood that when the partial summed power is greater than or equal to the minimum power generation power, the ALK electrolyzer is preferentially controlled to perform hydrogen production, while the hydrogen production of multiple hydrogen production units is suspended, and the first purification system is suspended at the same time. When the power generation is small, the normal operation of the ALK electrolyzer with weaker adaptability to start and stop is prioritized, and a small amount of fluctuating power that cannot meet the needs of some PEM electrolyzers is discarded. By adjusting the operating status of different types of electrolyzers under specific conditions, the energy utilization efficiency of the entire hydrogen production system is optimized. By dynamically adjusting the operating status of the ALK electrolyzer and the hydrogen production unit, the contradiction between power supply and hydrogen production demand is effectively resolved, and the overall efficiency of the hydrogen production system is improved.

[0058] Step S106, inputting the hydrogen produced by some units into the first purification system.

[0059] It can be understood that the first purification system serves multiple hydrogen production units. Therefore, whether all or some of the multiple hydrogen production units are turned on, the produced hydrogen needs to be processed by the first purification system to improve the purity of the hydrogen and obtain high-quality hydrogen.

[0060] Step S108, controlling some of the purification equipment in the first purification system to perform hydrogen purification treatment, and controlling the remaining purification equipment in the first purification system except some of the purification equipment to perform regeneration treatment and hydrogen recovery, wherein the regeneration treatment is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration treatment.

[0061] It can be understood that when some purification equipment is performing hydrogen purification treatment, the remaining purification equipment is controlled to enter the regeneration treatment and hydrogen recovery state, thereby ensuring that the remaining purification equipment can quickly restore the hydrogen purification capacity when it is operated next time. By balancing the operation and regeneration time of the equipment, the utilization efficiency of the equipment is improved, the idle time is reduced, the maintenance cost is reduced, and the stability and reliability of the system are enhanced.

[0062] It should be noted that the remaining purification equipment can be further divided into the first purification equipment and the second purification equipment, wherein the purification equipment in the second purification equipment chamber performs regeneration treatment within the predetermined time period, including heating and cooling treatment. Since the hydrogen may still contain water vapor during the heating process, it is necessary to use the first purification equipment for auxiliary adsorption, that is, to recover the hydrogen output by the regeneration treatment to ensure the purity of the hydrogen output by the regeneration treatment. The hydrogen purified by some purification equipment and the hydrogen after the regeneration and recovery treatment of the remaining purification equipment are combined as the hydrogen output by the PEM electrolyzer within the predetermined time period.

[0063] In an optional embodiment, the method also includes: after completing the hydrogen production process for a predetermined time period, determining the next minimum power generation generated by the power generation equipment in a next time period after the predetermined time period; based on the second required power required by the remaining units in the next time period, and the next minimum power generation, controlling the remaining units to perform hydrogen production processing; inputting the hydrogen produced by the remaining units into a first purification system; controlling the first purification equipment among the remaining purification equipment to perform hydrogen purification processing, controlling the second purification equipment among the remaining purification equipment to perform hydrogen recovery, and controlling some purification equipment to perform regeneration processing, wherein the remaining units are hydrogen production units other than some units among the multiple hydrogen production units, the first purification equipment is a purification equipment that performs hydrogen recovery within a predetermined time period, and the second purification equipment is a purification equipment that performs regeneration processing within a predetermined time period.

[0064] It can be understood that after completing the hydrogen production process of the current scheduled time period, the next minimum power generated by the power generation equipment in the next time period will be predicted and determined. Based on the second required power and the next minimum power required by the remaining units, a load distribution strategy for the next time period will be formulated. Ensure that the remaining units and the remaining purification equipment perform effective hydrogen production and hydrogen purification. The regeneration process is to restore the hydrogen purification capacity, so the distribution of the functions of the purification equipment in the first purification system in different time periods is associated with the functions performed in the previous time period. For a single purification equipment, the working cycle is: hydrogen purification → regeneration process → hydrogen recovery → hydrogen purification... and so on in the order of different time periods. Therefore, the first purification equipment that performs hydrogen recovery in the scheduled time period performs hydrogen purification in the next time period. The second purification equipment that performs regeneration in the scheduled time period performs hydrogen recovery in the next time period. Some purification equipment that performs hydrogen purification in the scheduled time period performs regeneration in the next time period. By introducing the prediction of the minimum power generation in the next time period and dynamically adjusting the operating status of the hydrogen production unit and purification equipment, the flexibility and responsiveness of the hydrogen production system are improved.

[0065] Optionally, the above-mentioned partial units and remaining units work alternately. If the ratio of partial units to remaining units is not equal, such as a ratio of 3:7, then the predetermined time period can be adjusted, for example, the operation is controlled according to a duration of 3:7.

[0066] Optionally, the first purification system can be divided into three purification equipments, for example, A, B, and C drying towers (abbreviated as A, B, and C). Figure 2 is a purification flow chart of an optional hydrogen production control method provided in an embodiment of the present application, such as Figure 2 As shown, the time period is set to a cycle of 8 hours (h), and the duration can be adjusted according to specific needs. The work is hydrogen purification treatment. In a time period, it is assumed that A (i.e., part of the purification equipment) works to perform hydrogen purification treatment, and B and C (both, i.e., the remaining purification equipment) work together, wherein B performs regeneration treatment as the second purification equipment, and C performs recovery treatment as the first purification equipment. In the next time period, A is changed to perform regeneration treatment, and works in coordination with B that performs recovery treatment, and C is changed from hydrogen recovery to working state, performing hydrogen purification treatment. According to Figure 2 The switching process in the process is carried out in the same way, and the functions of the drying towers A, B, and C are allocated in the next cycle.

[0067] Through the above step S102, the minimum power generated by the power generation equipment within the predetermined time period is determined, wherein the power generation equipment is used to supply power to multiple hydrogen production units for the hydrogen production process, and the multiple hydrogen production units are proton exchange membrane PEM electrolyzers; step S104, based on the first required power required by some of the multiple hydrogen production units within the predetermined time period and the minimum power generation, some units are controlled to perform hydrogen production processing; step S106, the hydrogen produced by some units is input into the first purification system; step S108, some purification equipment in the first purification system is controlled to perform hydrogen purification processing, and the remaining purification equipment in the first purification system except some purification equipment is controlled to perform regeneration processing and hydrogen recovery, wherein the regeneration processing is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration processing. The purpose of improving energy utilization efficiency can be achieved, and the technical effect of improving hydrogen production efficiency and extending the life of the electrolyzer is achieved, thereby solving the technical problem of the unsatisfactory adaptability of hydrogen production equipment to power generation fluctuations existing in the related technology.

[0068] Based on the above embodiments and optional embodiments, the present application proposes an optional implementation method. The load distribution process improves the electrolysis efficiency, reduces energy consumption, and improves the output and quality of hydrogen while ensuring the life of the electrolyzer. At the same time, it improves the automation level of the hydrogen production system, reduces manual intervention, and enhances the safety and reliability of the system. The hydrogen production system includes a proton exchange membrane PEM electrolyzer and an alkaline ALK electrolyzer. Among them, the proton exchange membrane PEM electrolyzer, that is, it includes multiple hydrogen production units. The PEM electrolyzer is used to absorb the fluctuating electricity generated by the power generation equipment, that is, it uses its rapid response capability to power fluctuations to efficiently handle the unstable part of wind power. The ALK electrolyzer is used to handle the part with stable power supply.

[0069] Step S1, obtaining off-grid wind power prediction data, and determining the minimum power generated by the power generation equipment within a predetermined time period, the power generation equipment being used to supply power to multiple hydrogen production units for the hydrogen production process.

[0070] To obtain off-grid wind power data, the wind power generation and PEM hydrogen production system control optimization method needs to be based on the predicted short-term renewable energy power to establish the scheduling plan between the electrolyzers in the PEM hydrogen production system. The required research data comes from the actual operation data, the sampling interval is set to 15 minutes, 96 data are collected every day, and a total of 35,040 samples are collected in a year for data modeling, which is used as the prediction data for the load distribution of the hydrogen production system.

[0071] Collect historical power generation data of power generation equipment in historical time periods, and determine the time series characteristics of power generation equipment through data, that is, the law of power generation data changing over time. Based on the obtained time series characteristics, use the prediction model to predict the power generation data of the next predetermined time period to determine the minimum power generation. By analyzing historical power generation data to predict the future minimum power generation, plan the operation mode of the hydrogen production unit in advance to ensure that even when the predicted power is low, the requirements of the regeneration cycle of the first purification system can be met, thereby improving the continuity and stability of system operation.

[0072] Step S2, limiting the off-grid wind power generation power within the available load range of the hydrogen production system.

[0073] The ALK electrolyzer is powered before the PEM electrolyzer. The ALK electrolyzer consumes a stable amount of electricity (i.e., the expected amount of electricity). When the partial summed power is less than the threshold power, the ALK electrolyzer is started by default within a predetermined time period to produce hydrogen together with some units, and the first purification system and the second purification system are started to purify hydrogen together. Each of the above-mentioned first purification system and the second purification system can include three drying towers (i.e., purification equipment) such as A, B, and C, which are used to perform three functions of hydrogen purification, regeneration, and hydrogen recovery.

[0074] Step S3, dividing the N sets of hydrogen production units of the PEM electrolyzer into N / 2+N / 2 hydrogen production units for alternate operation.

[0075] Figure 3 is a first schematic diagram of an optional hydrogen production control method provided according to an embodiment of the present application, such as Figure 3 As shown, the first purification system has an 8-hour cycle, including a 4-hour heating cycle and a 4-hour cooling cycle. The system cannot be shut down during the 4-hour heating cycle, but can be shut down during the 4-hour cooling cycle, and the purification operation time is recorded continuously. When the load distribution judgment is passed, the N sets of hydrogen production units of the PEM electrolyzer are divided into two groups of N / 2+N / 2 (i.e., some units and remaining units) and operate alternately. The minimum power generation is used to supply power to the PEM and ALK electrolyzers, as well as the corresponding first purification system and second purification system. The threshold power determined by the minimum power generation is to determine whether the part powered by the fluctuating power can meet the power demand of the N / 2 sets of hydrogen production units and the first purification system in multiple hydrogen production units.

[0076] If the threshold power can meet the electricity demand of N / 2 hydrogen production units and the first purification system within the next 4 hours. Then control N / 2 hydrogen production units to start hydrogen production for 8 hours, and the output hydrogen needs to meet the intake demand of the first purification system. For the purification equipment that performs the regeneration function in the first purification system, it is necessary to control the execution of 4 hours of heating treatment, followed by 4 hours of cooling treatment. In the heating treatment and cooling treatment included in the regeneration treatment, the power supply for the heating treatment cannot be interrupted, but the cooling treatment can be suspended. Therefore, when considering the partial summed power, the threshold power for the PEM partial function is determined based on the minimum power generation and the estimated power required by the ALK electrolyzer. It is determined according to the first required power of the N / 2 hydrogen production units, the third required power of some purification equipment (such as Tower A) in a predetermined time period, and the fourth required power for the remaining purification equipment (such as Tower B) used to perform heating treatment in the regeneration process.

[0077] If the threshold power cannot meet the power demand of N / 2 hydrogen production units and the first purification system in the next 4 hours, then it is necessary to abandon the fluctuating power, suspend all PEM hydrogen production units and the corresponding first purification system, and only include the ALK electrolyzer and the related work of the corresponding second purification system.

[0078] If within the next 4 hours, the threshold power can not only meet the partial sum power of N / 2 hydrogen production units and the first purification system, but also meet the total sum power of all hydrogen production units and the first purification system, then control will be performed to open the hydrogen production units of all PEM tanks, ALK electrolyzers, the first purification system and the second purification system.

[0079] Taking 10 hydrogen production units as an example, Figure 4 is a second schematic diagram of an optional hydrogen production control method provided according to an embodiment of the present application, such as Figure 4 The figure shows in detail how the hydrogen production unit alternately performs hydrogen production and cooling / regeneration operations according to the predicted wind power and the operating status of the equipment in the hydrogen production system. The specific process is as follows: At the beginning, all hydrogen production units are in standby mode, waiting for the input of wind power forecast data. Then 10 sets of hydrogen production units are split, and the system is based on the minimum wind power forecast P in the next 4 hours. min , i.e. the minimum power generation, determines the amount of electricity supplied to the PEM electrolyzer for hydrogen production and determines the threshold power.

[0080] It is necessary to determine whether the five hydrogen production units can produce hydrogen at the same time, whether the operating conditions of the continuous heating treatment cycle in the regeneration treatment of the first purification system are met, and whether the intake volume of the first purification system can meet the demand. If the hydrogen production and purification power supply requirements of the five hydrogen production units cannot be met, all 10 hydrogen production units will be stopped.

[0081] If the threshold power meets the power supply requirements for hydrogen production and purification of 5 sets of hydrogen production units, the 5 sets of hydrogen production units and the corresponding purification processes are turned on.

[0082] If the threshold power meets the power supply requirements for hydrogen production and purification of all 10 hydrogen production units, all 10 hydrogen production units will be turned on for operation, and the A, B, and C drying towers in the first purification system will follow the working cycle of: hydrogen purification → regeneration → hydrogen recovery → hydrogen purification... and determine the functions to be performed in this cycle respectively.

[0083] The above process is circulated continuously to ensure that the hydrogen production system maintains stable operation and efficient output under fluctuating wind power conditions.

[0084] The above optional implementation scheme achieves at least the following effects: adjusting the load of the electrolyzer according to the real-time output of wind power, thereby more efficiently utilizing unstable wind energy resources and reducing energy waste, and the present application does not require a large amount of data calculation, reduces equipment costs, and is easy to implement in terms of control technology; balancing the fluctuations in wind power output, improving the overall stability of the hydrogen production system, ensuring the continuity and reliability of hydrogen production, increasing hydrogen production, meeting the needs of off-grid hydrogen production systems, and considering the operating conditions of the purification system, improving the purity of the generated hydrogen and ensuring the quality of the output hydrogen.

[0085] It should be noted that the steps shown in the flowcharts of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and that, although a logical order is shown in the flowcharts, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0086] In this embodiment, a hydrogen production control device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and the descriptions that have been made will not be repeated. As used below, the terms "module" and "device" can implement a combination of software and / or hardware for a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceivable.

[0087] According to an embodiment of the present application, a device embodiment for implementing a hydrogen production control method is also provided. Figure 5 is a schematic diagram of a hydrogen production control device according to an embodiment of the present application, such as Figure 5 As shown, the above-mentioned hydrogen production control device includes a power determination module 502, a hydrogen processing module 504, an intermediate module 506, and a purification control module 508. The device is described below.

[0088] A power determination module 502 is used to determine the minimum power generated by the power generation equipment within a predetermined time period, wherein the power generation equipment is used to supply power to multiple hydrogen production units for a hydrogen production process, and the multiple hydrogen production units are proton exchange membrane PEM electrolyzers;

[0089] The hydrogen processing module 504 is connected to the power determination module 502 and is used to control some units to perform hydrogen production processing based on the first required power required by some units of the multiple hydrogen production units within a predetermined time period and the minimum power generation power;

[0090] The intermediate module 506 is connected to the hydrogen processing module 504 and is used to input the hydrogen produced by some units into the first purification system;

[0091] The purification control module 508 is connected to the intermediate module 506, and is used to control some of the purification equipment in the first purification system to perform hydrogen purification treatment, and control the remaining purification equipment in the first purification system except for some of the purification equipment to perform regeneration treatment and hydrogen recovery, wherein the regeneration treatment is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration treatment.

[0092] In a hydrogen production control device provided in an embodiment of the present application, a power determination module 502 is set to determine the minimum power generated by the power generation equipment within a predetermined time period, wherein the power generation equipment is used to supply power to multiple hydrogen production units for the hydrogen production process, and the multiple hydrogen production units are proton exchange membrane PEM electrolyzers; a hydrogen processing module 504 is connected to the power determination module 502, and is used to control some units to perform hydrogen production processing based on the first required power required by some units of the multiple hydrogen production units within the predetermined time period and the minimum power generation; an intermediate module 506 is connected to the hydrogen processing module 504, and is used to input the hydrogen produced by some units into the first purification system; a purification control module 508 is connected to the intermediate module 506, and is used to control some purification equipment in the first purification system to perform hydrogen purification processing, and control the remaining purification equipment in the first purification system except for some purification equipment to perform regeneration processing and hydrogen recovery, wherein the regeneration processing is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration processing. The purpose of improving energy utilization efficiency was achieved, and the technical effect of improving hydrogen production efficiency and extending the life of the electrolyzer was realized, thereby solving the technical problem of the unsatisfactory adaptability of hydrogen production equipment to power generation fluctuations existing in related technologies.

[0093] It should be noted that the above modules can be implemented by software or hardware. For example, for the latter, it can be implemented in the following ways: the above modules can be located in the same processor; or the above modules can be located in different processors in any combination.

[0094] It should be noted that the power determination module 502, hydrogen processing module 504, intermediate module 506, and purification control module 508 correspond to steps S102 to S108 in the embodiment, and the examples and application scenarios implemented by the modules and the corresponding steps are the same, but are not limited to the contents disclosed in the above embodiments. It should be noted that the modules as part of the device can be run in a computer terminal.

[0095] It should be noted that the optional or preferred implementation of this embodiment can refer to the relevant description in the embodiment, which will not be repeated here.

[0096] The above-mentioned hydrogen production control device may also include a processor and a memory, and the power module 502, the hydrogen processing module 504, the intermediate module 506, the purification control module 508, etc. are all stored in the memory as program units, and the processor executes the above-mentioned program units stored in the memory to realize the corresponding functions.

[0097] The processor includes a kernel, which retrieves the corresponding program unit from the memory. There can be one or more kernels. The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM, and the memory includes at least one storage chip.

[0098] An embodiment of the present application provides a non-volatile storage medium on which a program is stored, and when the program is executed by a processor, a hydrogen production control method is implemented.

[0099] The embodiment of the present application provides an electronic device, which includes a processor, a memory, and a program stored in the memory and can be run on the processor. When the processor executes the program, the following steps are implemented: determining the minimum power generated by the power generation equipment within a predetermined time period, wherein the power generation equipment is used to power multiple hydrogen production units for hydrogen production process, and the multiple hydrogen production units are proton exchange membrane PEM electrolyzers; based on the first required power required by some units in the multiple hydrogen production units within the predetermined time period, and the minimum power generation, control some units to perform hydrogen production processing; input the hydrogen produced by some units into the first purification system; control some purification equipment in the first purification system to perform hydrogen purification processing, and control the remaining purification equipment in the first purification system except some purification equipment to perform regeneration processing and hydrogen recovery, wherein the regeneration processing is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration processing. The equipment in the present application can be a server, a PC, etc.

[0100] The present application also provides a computer program product, which, when executed on a data processing device, is suitable for executing a program that is initialized with the following method steps: determining the minimum power generated by the power generation equipment within a predetermined time period, wherein the power generation equipment is used to power multiple hydrogen production units for a hydrogen production process, and the multiple hydrogen production units are proton exchange membrane PEM electrolyzers; based on the first required power required by some of the multiple hydrogen production units within the predetermined time period and the minimum power generation, controlling some of the units to perform hydrogen production processing; inputting the hydrogen produced by some of the units into a first purification system; controlling some of the purification equipment in the first purification system to perform hydrogen purification processing, and controlling the remaining purification equipment in the first purification system except for some of the purification equipment to perform regeneration processing and hydrogen recovery, wherein the regeneration processing is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration processing.

[0101] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented in one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that include computer-usable program code.

[0102] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0103] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0104] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0105] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0106] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory in the form of read-only memory (ROM) or flash RAM. The memory is an example of a computer-readable medium.

[0107] Computer readable media include permanent and non-permanent, removable and non-removable media that can be implemented by any method or technology to store information. Information can be computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include temporary computer readable media (transitory media), such as modulated data signals and carrier waves.

[0108] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0109] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that contain computer-usable program code.

[0110] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A hydrogen production control method, characterized in that: include: Determining a minimum power generation of a power generation device within a predetermined time period, wherein the power generation device is used to supply power to a plurality of hydrogen production units for a hydrogen production process, wherein the plurality of hydrogen production units are proton exchange membrane (PEM) electrolyzers; Based on the first required power required by some of the multiple hydrogen production units within the predetermined time period and the minimum power generation power, controlling the some of the units to perform hydrogen production processing; Inputting the hydrogen produced by the partial units into a first purification system; Controlling some of the purification equipment in the first purification system to perform hydrogen purification treatment, and controlling the remaining purification equipment in the first purification system except the some of the purification equipment to perform regeneration treatment and hydrogen recovery, wherein the regeneration treatment is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration treatment.

2. The method according to claim 1, characterized in that: The determining of the minimum power generated by the power generation equipment within the predetermined time period includes: Acquiring historical power generation data of the power generation equipment within a historical time period; Determining the timing characteristics of the power generation equipment based on the historical power generation data; Based on the time series characteristics, the power generation data within the predetermined time period is predicted to determine the minimum power generation power.

3. The method according to claim 1, characterized in that The method further comprises: After completing the hydrogen production process in the predetermined time period, determining a next minimum power generation generated by the power generation equipment in a next time period after the predetermined time period; Based on the second required power of the remaining units in the next time period and the next minimum power generation, controlling the remaining units to perform hydrogen production processing; Inputting the hydrogen produced by the remaining unit into the first purification system; Controlling a first purification device among the remaining purification devices to perform hydrogen purification treatment, controlling a second purification device among the remaining purification devices to perform hydrogen recovery, and controlling the partial purification devices to perform regeneration treatment, wherein the remaining units are hydrogen production units among the multiple hydrogen production units except the partial units, the first purification device is a purification device that performs hydrogen recovery within the predetermined time period, and the second purification device is a purification device that performs regeneration treatment within the predetermined time period.

4. The method according to claim 1, characterized in that The multiple hydrogen production units belong to a hydrogen production system, which also includes an alkaline ALK electrolyzer, wherein the PEM electrolyzer is used to absorb the fluctuating amount of electricity generated by the power generation equipment, and the ALK electrolyzer is used to absorb the estimated amount of electricity generated by the power generation equipment.

5. The method according to claim 4, characterized in that The controlling the part of the units to perform hydrogen production processing based on the first required power required by the part of the multiple hydrogen production units within the predetermined time period and the minimum power generation power includes: Determining a threshold power based on the minimum generated power and the estimated power; Determine the partial summed power based on the first required power, the third required power of the partial purification equipment in the predetermined time period, and the fourth required power for performing the heating process in the regeneration process in the remaining purification equipment, wherein the first required power enables the gas output of the partial unit to meet the gas intake required by the partial purification equipment for the purification process and the remaining purification equipment for the regeneration process; When the partial summed power is less than the threshold power, the partial units are controlled to perform hydrogen production processing within the predetermined time period.

6. The method according to claim 5, characterized in that The method further comprises: Determining a fifth required power required by the remaining units within the predetermined time period, wherein the remaining units are hydrogen production units other than the partial units among the plurality of hydrogen production units; determining a total summed power based on the first required power, the fifth required power, the third required power, and the fourth required power; When the total sum power is less than the threshold power, controlling the plurality of hydrogen production units to perform hydrogen production processing within the predetermined time period; Inputting the hydrogen produced by the plurality of hydrogen production units into the first purification system; The partial purification equipment is controlled to perform hydrogen purification treatment, and the remaining purification equipment is controlled to perform regeneration treatment and hydrogen recovery.

7. The method according to claim 5, characterized in that The method further comprises: When the partial summed power is greater than or equal to the threshold power, the hydrogen production processes of the plurality of hydrogen production units are suspended for the predetermined period of time, and the first purification system is suspended.

8. The method according to any one of claims 1 to 7, characterized in that The method further comprises: Determining the regeneration time required for the remaining purification equipment to return to a predetermined state; The predetermined time period is determined based on the regeneration time length.

9. A hydrogen production control device, characterized in that: include: A power determination module is used to determine the minimum power generated by the power generation equipment within a predetermined time period, wherein the power generation equipment is used to supply power to a plurality of hydrogen production units for a hydrogen production process, and the plurality of hydrogen production units are respectively proton exchange membrane PEM electrolyzers; A hydrogen processing module, configured to control some of the multiple hydrogen production units to perform hydrogen production processing based on the first required power required by some of the multiple hydrogen production units within the predetermined time period and the minimum power generation power; An intermediate module, used for inputting the hydrogen produced by the partial units into the first purification system; The purification control module is used to control some of the purification equipment in the first purification system to perform hydrogen purification treatment, and control the remaining purification equipment in the first purification system except the part of the purification equipment to perform regeneration treatment and hydrogen recovery, wherein the regeneration treatment is used to restore the hydrogen purification capacity of the purification equipment, and the hydrogen recovery purifies the hydrogen after the regeneration treatment.

10. A non-volatile storage medium, characterized in that: The non-volatile storage medium stores a plurality of instructions, and the instructions are suitable for being loaded by a processor and executing the hydrogen production control method according to any one of claims 1 to 8.

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