Hydrogen production system liquid level balance control method and hydrogen production system
A technology of hydrogen production system and liquid level balance, which is applied in the direction of cells, electrolysis components, electrolysis process, etc., can solve the problems of poor liquid level balance control effect and long time consumption, and achieve improved liquid level balance control effect and short response time , The effect of small fluctuations in liquid level
Pending Publication Date: 2021-10-26
阳光氢能科技有限公司
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Problems solved by technology
[0004] The inventor found that the liquid level balance control method in the prior art is a passive adjustment. From the detection of the liquid level difference to the final determination of the adjustment amount and the adjustment of the valve opening until the liquid level balance is restored, the entire process takes too long. Poor control of liquid level balance
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[0066] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.
[0067] The inventors found that in the actual working process of the water electrolysis hydrogen production system, the hydrogen production power of the hydrogen production device, that is, the electric power directly used for hydrogen production after excluding the system operation loss, has a great impact on the hydrogen separator and oxygen separator in the hydrogen production system. The liquid level balance has a direct impact, the fluctuation of the hydrogen production power is often a...
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The invention provides a hydrogen production system liquid level balance control method and a hydrogen production system, and is applied to the technical field of hydrogen preparation, wherein the method comprises the steps: after the parameter value variable quantity of a target electrical parameter and the parameter difference value of target state parameters of a hydrogen separator and an oxygen separator are obtained, a first adjusting quantity is determined according to the parameter value variable quantity, a target adjusting quantity is further determined based on the first adjusting quantity and the obtained parameter difference value, and finally the liquid level of the hydrogen separator and / or the oxygen separator are / is adjusted according to the target adjusting amount. According to the method, the target electrical parameter is related to the hydrogen production power of the hydrogen production system, the hydrogen production power fluctuation can directly influence the liquid level change of the hydrogen separator and the oxygen separator, and the liquid level change occurs after the hydrogen production power fluctuation, so that the adjusting quantity can be determined in advance before the hydrogen production power finally influences the liquid level deviation; the response time of liquid level adjustment is shorter, the liquid level balance control efficiency is effectively improved, the liquid level fluctuation is smaller, and the liquid level balance control effect is improved.
Description
technical field [0001] The invention relates to the technical field of hydrogen production, in particular to a liquid level balance control method of a hydrogen production system and the hydrogen production system. Background technique [0002] see figure 1 , figure 1 A structural block diagram of a water electrolysis hydrogen production system is shown. In the hydrogen production system, the hydrogen production power supply is connected to the hydrogen production device, and the hydrogen production power is output to the hydrogen production device for the hydrogen production device to perform hydrogen production operations. The hydrogen separator outputs the electrolyte containing hydrogen, which is separated and processed by the hydrogen separator to obtain hydrogen. At the same time, the hydrogen production device outputs the electrolyte containing oxygen to the oxygen separator, which is separated and processed by the oxygen separator to obtain oxygen. The electrolyte ...
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IPC IPC(8): C25B15/02C25B15/023C25B9/00C25B1/04
CPCC25B15/02C25B15/023C25B9/00C25B1/04Y02E60/36
Inventor 金结红李江松孙龙林
Owner 阳光氢能科技有限公司