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System and method for recovering waste heat of electrolyte by using organic Rankine cycle and applying waste heat to power generation

A Rankine cycle and electrolyte technology, applied in the field of electrolysis, can solve problems such as insufficient research and disclosure, and achieve the effects of saving cost investment, improving efficiency and reducing power consumption

Pending Publication Date: 2021-05-28
LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] It can be seen that there is no sufficient research and disclosure in the prior art for the electrolysis process, especially the energy recovery and utilization mode in the electrolysis of water process.

Method used

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  • System and method for recovering waste heat of electrolyte by using organic Rankine cycle and applying waste heat to power generation

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Embodiment Construction

[0024] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, the present invention should be understood as not limited to such embodiments described below, and the technical idea of ​​the present invention can be implemented in combination with other known technologies or other technologies having the same functions as those known technologies.

[0025] In the description of the following specific embodiments, in order to clearly demonstrate the structure and working mode of the present invention, many directional words will be used to describe, but "front", "rear", "left", "right", "outer Words such as ", "inwardly", "outwardly", "inwardly", "axially" and "radially" are to be understood as convenient terms and should not be understood as limiting terms.

[0026] In the following description of specific embodiments, it should be understood that the terms "length", "width", "upper", "lower", "fron...

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PUM

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Abstract

The invention discloses a system and a method for recovering waste heat of an electrolyte by using the organic Rankine cycle and applying the waste heat to power generation . The system comprises at least one electrolyte cycle loop and at least one organic Rankine cycle loop, wherein an electrolyte heat exchanger is located in the two circulation loops at the same time; an electrolyte circulating stream flowing in the electrolyte cycle loop and an organic working medium stream flowing in the organic Rankine cycle loop are subjected to heat exchange through the electrolyte heat exchanger, the electrolyte circulating stream is cooled, and the organic working medium stream is gasified; the gasified organic working medium stream does work through an expansion machine and drives a generator to generate electricity; and the generated electric energy can be merged into a power grid or converted into direct current to be input into an electrolysis device.

Description

technical field [0001] The invention belongs to the field of electrolysis, in particular to the field of waste heat recovery in electrolyzed water devices, and relates to a system and method for using organic Rankine cycle to recover waste heat of electrolyte for power generation. Background technique [0002] The electrolysis of water to produce hydrogen and oxygen has many industrial applications. For example, high-purity oxygen and hydrogen are used in the semiconductor industry; hydrogen is used as a clean and efficient emerging energy source, and petrochemicals using hydrogen as raw materials. Since the phenomenon of electrolysis of water was observed in 1789, electrolysis technology has been continuously developed. At present, there are three different electrolyzers commonly used, which are alkaline electrolyzer, polymer film electrolyzer and solid oxide electrolyzer, and the electrolysis efficiency has also been increased to 70%-90%. [0003] Alkaline electrolyzer i...

Claims

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Application Information

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IPC IPC(8): C25B9/13C25B9/70C25B9/67C25B1/04C25B15/00F01K27/02F01K13/00
CPCC25B9/00C25B1/04C25B15/00F01K27/02F01K13/00Y02P20/10
Inventor 阿兰·布里格利亚
Owner LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE