Multi-channel alkaline hydrogen production system

A hydrogen production system and multi-channel technology, which is applied in the field of multi-channel alkaline hydrogen production system, can solve the problems that cannot meet the use requirements, reduce the purity of hydrogen gas, and cannot fully apply renewable energy.

Active Publication Date: 2020-07-03
阳光氢能科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

In addition, the hydrogen production of the electrolyzer is proportional to the current passing through the electrolyzer, so the hydrogen production of the renewable energy hydrogen production system is always changing; and the renewable energy hydrogen production system is equipped with an alkaline electrolyzer, which is 20% When the following low-load operation occurs, the hydroge

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Embodiment Construction

[0050] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0051] In this application, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes none. other elements specifically listed, or also include elements inher...

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Abstract

The invention provides a multi-channel alkaline hydrogen production system. Through liquid outlets of a hydrogen alkali processing unit and an oxygen alkali processing unit, a circulating alkali liquor is outputted to an alkali liquor circulating pump and at least one controllable channel that is parallelly arranged relative to the alkali liquor circulating pump; then the circulating alkali liquoris returned to the negative pole of an electrolytic tank; thus a controller can control the amount of produced hydrogen according to the detected current of the electrolytic tank; then based on the amount of produced hydrogen, a corresponding reference value of alkali liquor circulation amount can be calculated; based on the reference value of alkali liquor circulation amount, the work state of the controllable channel on two ends of the alkali liquor circulating pump is controlled, the alkali liquor circulation amount of the multi-channel alkaline hydrogen production system is adjusted, andthe gas purity of the multi-channel alkaline hydrogen production system is changed. Solved are the problems that the electrolytic tank is powered by a renewable power supply system, when the renewablepower supply system operates in a low period, the produced hydrogen purity is low, or even the hydrogen production is stopped. The electrolytic tank can be always in a full-load state, is not limitedin a specific load range, and is suitable for a hydrogen production system powered by a renewable power supply system.

Description

technical field [0001] The invention belongs to the technical field of electrolytic hydrogen production, and more specifically relates to a multi-channel alkaline hydrogen production system. Background technique [0002] Among the water electrolysis hydrogen production systems currently on the market, the alkaline electrolyzer has the longest development time and the most mature technology. Its conventional configuration is: transformer + rectifier + hydrogen generator. Its specific water electrolysis hydrogen production system is as follows: figure 1 As shown, the electrolytic cell has positive and negative electrodes, and the negative electrode side is provided with a hydrogen + lye outlet and an oxygen + lye outlet, which are respectively connected to the hydrogen + lye processing unit and the oxygen + lye processing unit of the subsequent stage. The oxygen + lye treatment unit produces oxygen after treatment, and the hydrogen + lye treatment unit produces hydrogen after...

Claims

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Application Information

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IPC IPC(8): C25B1/04C25B9/00C25B15/02
CPCC25B1/04C25B9/00C25B15/02Y02E60/36Y02P20/133C25B15/087C25B15/023C25B15/027C25B15/021C25B9/15
Inventor 于德野王建谷雨
Owner 阳光氢能科技有限公司
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