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Water replenishing device and water replenishing method for water electrolysis hydrogen production system

A technology of hydrogen production system and water supply device, applied in electrolysis components, electrolysis process, etc., can solve the problems of single water supply pump, hydrogen, oxygen mixing, etc., to improve safety and stability, save equipment cost, and improve water supply efficiency Effect

Pending Publication Date: 2022-06-24
718TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a water replenishment device and a water replenishment method for a water electrolysis hydrogen production system, to solve the lack of a single water replenishment pump and one-to-one single water replenishment in the existing water replenishment device, and the problem of mixing hydrogen and oxygen

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  • Water replenishing device and water replenishing method for water electrolysis hydrogen production system

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Embodiment Construction

[0028] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

[0029] In the description of the present invention, it should be understood that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", "vertical" The orientation or positional relationship indicated by "straight", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limi...

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Abstract

The invention relates to the technical field of water electrolysis hydrogen production equipment, in particular to a water replenishing device and method for a water electrolysis hydrogen production system, and the water replenishing device comprises a water tank, a first valve, a second valve, a third valve, a fourth valve, a pressure stabilizing valve, a water supply pipeline, a pumping device, a water outlet pipeline and at least one water conveying pipeline; by means of the one-to-many design concept, the use number of the pumps can be effectively reduced, the equipment cost is saved, meanwhile, by means of the design scheme that one pump is used and one pump is standby, the problem that the whole water supplementing device cannot be used due to the fact that a single pump goes wrong is effectively solved, the pressure maintaining valves connected in parallel are arranged in the pumping loop, and normal use of the pumps can be guaranteed when backward-stage water supplementing is abnormal. In addition, independent water replenishing of the hydrogen separator and the oxygen separator can be effectively achieved through logic control of the control system, the risk of hydrogen and oxygen mixing is avoided, and the safety and stability of operation of the water replenishing device and the hydrogen production system are improved.

Description

technical field [0001] The invention relates to the technical field of water electrolysis hydrogen production equipment, in particular to a water replenishing device and a water replenishing method for a water electrolysis hydrogen production system. Background technique [0002] Hydrogen energy has attracted everyone's attention due to its advantages of non-polluting combustion and high calorific value. The existing hydrogen production technology by electrolysis of water is relatively mature, and the operation is relatively simple, which is an important means for hydrogen production at present and in the future. Most of the water replenishment devices of the existing hydrogen production equipment adopt a one-to-one replenishment method (one replenishment pump corresponds to a set of frames), and only rely on the control valve and the water pump. The hydrogen and oxygen separator of the hydrogen production system (hydrogen production equipment) Water replenishment is easy t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B15/08C25B15/023C25B1/04
CPCC25B15/08C25B15/023C25B1/04
Inventor 焦文强杨金彭朱艳兵宫玮任航星李朋喜王杰鹏李黎明孙俊凯孔卫江
Owner 718TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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